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olivLaw · US equity research

Ionis Pharmaceuticals, Inc. IONS

Pharmaceutical Preparations · SIC 2834 · Vertical: Pharmaceutical Preparations (SIC 2834)

40.15USD−0.67% · 1 dayClose 04 Nov 2026

Ionis Pharmaceuticals is a biotechnology company specialized in RNA-targeted medicines that moved in 2025 to a fully integrated commercial-stage business, with several independent launches underway. Total revenue of about 944 million USD in 2025 and the June 2026 launch of TRYNGOLZA for sHTG make the company a subject of interest for investors and patients.

At the close of 04 Nov 2026, Ionis Pharmaceuticals, Inc. (IONS) stock was 40.15 USD (−0.67% on the day), with market capitalisation 6.7 bn USD, beta 0.74, 52-week range 40.15–86.50 USD. Latest reported quarter (Q2 2026): revenue of 267.9 m USD (−40.7% YoY), net income of -114.6 m USD (−192.8% YoY), diluted EPS -0.69 USD.

Data as of · AI analysis dated · Source: SEC filings and closing prices, computed by olivLaw.

Market cap
6.7 bn USD
shares as of 23 Jul 2026
P/E (TTM)
unavailable
Diluted EPS TTM -3.46 · TTM to 30 Jun 2026
E/P (TTM)
-8.62%
TTM to 30 Jun 2026
Dividend yield
unavailable
Beta (2y)
0.74
Volatility (1y) 45%
52-week range
40.1586.50

Price history

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Technical reading

RSI (14)
33.5
weak (30–45)
Bollinger (20, 2)
40.55 – 46.18
below the lower band · %B -0.07 · band width 13.0%
SMA 50 / 200
47.75 / 66.24
downtrend (price < SMA50 < SMA200)
MACD (12, 26, 9)
-1.50 / -1.43
MACD below signal

Indicators describe past prices; on their own they do not predict direction. On our history the RSI ≤ 40 filter added no return (see the signals methodology).

Performance

CompanyS&P 500vs S&P 500Vertical median
1 month−7.7%−2.0%−5.7 pp—
3 months−25.9%−2.2%−23.7 pp—
6 months−47.8%+4.3%−52.0 pp—
Year to date−49.2%+10.6%−59.8 pp—
1 year−44.9%+10.5%−55.4 pp+16.6%
3 years−14.9%+73.7%−88.6 pp+16.8%
5 years+19.2%+61.7%−42.6 pp—
Max drawdown (1y)
−53.6%
06 Feb 2026 → 04 Nov 2026
Max drawdown (5y)
−53.6%
06 Feb 2026 → 04 Nov 2026
Compound annual growth (5y)
+3.6%
S&P 500 +10.1%

Price returns, dividends excluded.

Quarterly results

Latest quarter: Q2 2026 · 30 Jun 2026

Revenue
267.9 m USD
−40.7% YoY
Net income
-114.6 m USD
−192.8% YoY
Diluted EPS
-0.69
−198.6% YoY
net / operating
-42.8% / -38.2%

Quarterly margins

Quarterly statements · USD

Fiscal yearQ3 '24Q4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26Q2 '26
Revenue133.8 m226.6 m131.6 m452.0 m156.7 m203.3 m246.1 m267.9 m
Cost of revenue1.1 m3.8 m1.5 m4.2 m2.3 m8.0 m3.0 m2.7 m
SG&A61.6 m88.1 m76.3 m90.6 m96.8 m130.2 m150.4 m150.4 m
Operating income-148.7 m-110.8 m-146.9 m139.8 m-160.2 m-214.5 m-117.4 m-102.3 m
Interest expense4.2 m4.2 m4.1 m4.1 m4.2 m4.8 m5.2 m4.6 m
Pre-tax income-144.1 m-107.0 m-146.8 m123.5 m-128.4 m-227.9 m-92.3 m-113.4 m
Income tax-3.6 m-2.7 m116.0 k-20.0 k213.0 k1.5 m218.0 k1.3 m
Net income-140.5 m-104.3 m-146.9 m123.6 m-128.6 m-229.4 m-92.5 m-114.6 m
Diluted EPS-0.95-0.66-0.930.70-0.80-1.41-0.56-0.69
Operating cash flow-115.0 m ≈-116.1 m-150.8 m151.3 m ≈-131.4 m ≈-137.7 m-792.8 m565.5 m ≈
Capex9.1 m ≈25.5 m12.6 m12.3 m ≈5.3 m ≈21.3 m21.8 m16.1 m ≈

≈ derived quarter (cumulative difference / share-days average)

E/P over time

E/P = trailing-12-month diluted EPS / price at quarter end. E/P is the inverse of P/E and stays defined when earnings are negative.

Fiscal years

Fiscal year20182019202020212022202320242025
Revenue599.7 m1.1 bn729.3 m810.5 m587.4 m787.6 m705.1 m943.7 m
Revenue YoY+18.1%+87.2%−35.0%+11.1%−27.5%+34.1%−10.5%+33.8%
Net income273.7 m278.1 m-444.3 m-28.6 m-269.7 m-366.3 m-453.9 m-381.4 m
Net income YoY+79,015.9%+1.6%−259.7%unavailableunavailableunavailableunavailableunavailable
Diluted EPS2.071.90-3.18-0.20-1.90-2.56-3.04-2.38
Diluted EPS YoY+1,280.0%−8.2%−267.4%unavailableunavailableunavailableunavailableunavailable
net %45.6%24.8%-60.9%-3.5%-45.9%-46.5%-64.4%-40.4%
Free cash flow589.3 m314.7 m772.0 k18.8 m-290.1 m-331.3 m-546.2 m-320.0 m

Reported results vs expectations

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Balance sheet & financial health

Fiscal year 2025 · 31 Dec 2025

Cash
372.3 m USD
Financial debt
1.8 bn USD
Net debt
1.4 bn USD
Equity
489.1 m USD
Total assets
3.5 bn USD
Debt / equity
3.60x
Current ratio
3.83x
ROE
-70.8%
ROA
-11.7%
FCF margin
-33.9%

Financial statements (source on every figure)

Revenue and net income (USD)

Margins

Income statement · USD

Revenue
2023
787.6 m
2024
705.1 m
2025
943.7 m

SEC (XBRL)· 26 Feb 2026verified

Cost of revenue
2023
9.1 m
2024
11.2 m
2025
15.9 m

SEC (XBRL)· 26 Feb 2026verified

Gross profit
2023
778.5 m ≈
2024
693.9 m ≈
2025
927.8 m ≈

SEC (XBRL)· 26 Feb 2026derived

Research & development
2023
899.6 m
2024
901.5 m
2025
915.6 m

SEC (XBRL)· 26 Feb 2026verified

SG&A
2023
232.6 m
2024
267.5 m
2025
393.9 m

SEC (XBRL)· 26 Feb 2026verified

Operating income
2023
-353.7 m
2024
-475.1 m
2025
-381.7 m

SEC (XBRL)· 26 Feb 2026verified

Interest expense
2023
12.7 m
2024
17.0 m
2025
17.3 m

SEC (XBRL)· 26 Feb 2026verified

Pre-tax income
2023
-334.0 m
2024
-460.1 m
2025
-379.6 m

SEC (XBRL)· 26 Feb 2026verified

Income tax
2023
32.3 m
2024
-6.2 m
2025
1.8 m

SEC (XBRL)· 26 Feb 2026verified

Net income
2023
-366.3 m
2024
-453.9 m
2025
-381.4 m

SEC (XBRL)· 26 Feb 2026verified

Diluted EPS
2023
-2.56
2024
-3.04
2025
-2.38

SEC (XBRL)· 26 Feb 2026verified

Weighted average diluted shares
2023
143.2 m
2024
149.5 m
2025
160.0 m

SEC (XBRL)· 26 Feb 2026verified

Balance sheet · USD

Cash
2023
399.3 m
2024
242.1 m
2025
372.3 m

SEC (XBRL)· 26 Feb 2026verified

Inventories
2023
7.4 m
2024
12.5 m
2025
10.0 m

SEC (XBRL)· 26 Feb 2026verified

Current assets
2023
2.6 bn
2024
2.6 bn
2025
3.0 bn

SEC (XBRL)· 26 Feb 2026verified

Property, plant & equipment, net
2023
71.0 m
2024
94.3 m
2025
123.0 m

SEC (XBRL)· 26 Feb 2026verified

Intangibles (excl. goodwill)
2023
—
2024
—
2025
—

SEC (XBRL)· 25 Feb 2022verified

Total assets
2023
3.0 bn
2024
3.0 bn
2025
3.5 bn

SEC (XBRL)· 26 Feb 2026verified

Accounts payable
2023
26.0 m
2024
43.0 m
2025
28.1 m

SEC (XBRL)· 26 Feb 2026verified

Short-term debt
2023
157.0 k
2024
165.0 k
2025
432.1 m

SEC (XBRL)· 26 Feb 2026verified

Long-term debt
2023
1.2 bn
2024
1.2 bn
2025
1.3 bn

SEC (XBRL)· 26 Feb 2026verified

Current liabilities
2023
448.1 m
2024
309.3 m
2025
781.6 m

SEC (XBRL)· 26 Feb 2026verified

Total liabilities
2023
2.6 bn
2024
2.4 bn
2025
3.0 bn

SEC (XBRL)· 26 Feb 2026verified

Equity
2023
386.7 m †
2024
588.4 m †
2025
489.1 m †

SEC (XBRL)· 26 Feb 2026verified

Cash flow · USD

Operating cash flow
2023
-307.5 m
2024
-500.9 m
2025
-268.6 m

SEC (XBRL)· 26 Feb 2026verified

Capex
2023
23.8 m
2024
45.3 m
2025
51.4 m

SEC (XBRL)· 26 Feb 2026verified

Free cash flow
2023
-331.3 m ≈
2024
-546.2 m ≈
2025
-320.0 m ≈

SEC (XBRL)· 26 Feb 2026derived

Investing cash flow
2023
-214.1 m
2024
-134.0 m
2025
-277.8 m

SEC (XBRL)· 26 Feb 2026verified

Financing cash flow
2023
644.1 m
2024
478.1 m
2025
675.8 m

SEC (XBRL)· 26 Feb 2026verified

Share repurchases
2023
—
2024
—
2025
—

SEC (XBRL)· 22 Feb 2023verified

Computed indicators

Growth

Revenue growth (YoY)
33.8%
computed by olivLawFY 2025
Revenue CAGR 3Y
17.1%
computed by olivLawFY 2022 → FY 2025
Revenue CAGR 5Y
5.3%
computed by olivLawFY 2020 → FY 2025
EBIT growth (YoY)
unavailable
the base of the ratio is not positive
Net income growth (YoY)
unavailable
the base of the ratio is not positive
Net income CAGR 3Y
unavailable
the base of the ratio is not positive
Net income CAGR 5Y
unavailable
the base of the ratio is not positive
EPS growth (YoY)
unavailable
the base of the ratio is not positive
EPS CAGR 3Y
unavailable
the base of the ratio is not positive
EPS CAGR 5Y
unavailable
the base of the ratio is not positive
FCF growth (YoY)
unavailable
the base of the ratio is not positive

Profitability

Gross margin
98.2%
computed by olivLawTTM to 30 Jun 2026
EBITDA margin
unavailable
input data missing
EBIT margin
-68.0%
computed by olivLawTTM to 30 Jun 2026
Net margin
-64.7%
computed by olivLawTTM to 30 Jun 2026
FCF margin
-64.2%
computed by olivLawTTM to 30 Jun 2026

Returns

ROE
-105.5%
computed by olivLawTTM to 30 Jun 2026 · balance sheet at 30 Jun 2026
ROA
-18.9%
computed by olivLawTTM to 30 Jun 2026 · balance sheet at 30 Jun 2026
ROIC
unavailable
input data missing
ROCE
-22.2%
computed by olivLawTTM to 30 Jun 2026 · balance sheet at 30 Jun 2026
Payout ratio (EPS)
unavailable
input data missing
Payout ratio (FCF)
unavailable
input data missing

Balance sheet

Net debt
unavailable
input data missing
Net debt / EBITDA
unavailable
input data missing
Debt / equity
unavailable
input data missing
Interest coverage
-31.6x
computed by olivLawTTM to 30 Jun 2026

Liquidity

Current ratio
7.9x
computed by olivLawbalance sheet at 30 Jun 2026
Quick ratio
7.7x
computed by olivLawbalance sheet at 30 Jun 2026
Cash ratio
1.1x
computed by olivLawbalance sheet at 30 Jun 2026

Cash

Operating cash flow
-496.4 m USD
computed by olivLawTTM to 30 Jun 2026
Capital expenditure
64.4 m USD
computed by olivLawTTM to 30 Jun 2026
Free cash flow
-560.8 m USD
computed by olivLawTTM to 30 Jun 2026
FCF conversion
unavailable
insufficient data
Cash conversion
unavailable
input data missing

Efficiency

Days sales outstanding
unavailable
input data missing
Days inventory outstanding
676 days
computed by olivLawTTM to 30 Jun 2026 · balance sheet at 30 Jun 2026
Days payables outstanding
803 days
computed by olivLawTTM to 30 Jun 2026 · balance sheet at 30 Jun 2026
Cash conversion cycle
unavailable
input data missing

Market and valuation

Market capitalisation
6.7 bn USD
computed by olivLawbalance sheet at 30 Jun 2026
Enterprise value
unavailable
input data missing
Market cap / net income TTM
unavailable
insufficient data
P/E (TTM)
unavailable
insufficient data
Earnings yield
-8.6%
computed by olivLawTTM to 30 Jun 2026
P/B
15.2x
computed by olivLawbalance sheet at 30 Jun 2026
P/S
7.6x
computed by olivLawTTM to 30 Jun 2026 · balance sheet at 30 Jun 2026
EV/EBITDA
unavailable
input data missing
EV/EBIT
unavailable
input data missing
EV/Sales
unavailable
input data missing
P/FCF
unavailable
the base of the ratio is not positive
FCF yield
-8.4%
computed by olivLawTTM to 30 Jun 2026 · balance sheet at 30 Jun 2026
Dividend yield
unavailable
no dividend in the structured statements; a missing line is not a confirmed zero
Shareholder yield (distributions)
unavailable
input data missing

1 indicators that do not apply to the sector.

Valuation

olivLaw classification

Insufficient data
What is missing
  • indicators available: 5 of at least 6
  • score weight coverage: 33.3% of at least 60%
  • valuation methods computed: 0 of at least 1

A scoring methodology on indicators and valuation, not investment advice.

Closing price

40.15 USD

04 Nov 2026Source: olivLaw, closing series

Market cap: 6.7 bn USD

Key indicators

Market capitalisation
6.7 bn USD
computed by olivLawbalance sheet at 30 Jun 2026
P/E (TTM)
unavailable
insufficient data
P/B
15.2x
computed by olivLawbalance sheet at 30 Jun 2026
EV/EBITDA
unavailable
input data missing
ROE
-105.5%
computed by olivLawTTM to 30 Jun 2026 · balance sheet at 30 Jun 2026
Net margin
-64.7%
computed by olivLawTTM to 30 Jun 2026
Revenue growth (YoY)
33.8%
computed by olivLawFY 2025
Dividend yield
unavailable
no dividend in the structured statements; a missing line is not a confirmed zero

Coverage and freshness

30/37 reporting lines present
Latest full fiscal year: 2025
Latest reported period: 30 Jun 2026
Latest balance sheet date: 30 Jun 2026
Share count (cover of the latest filing), as of: 23 Jul 2026
Source: SEC (XBRL)published 29 Jul 2026
verified 2244derived 135

Score by group

33% · Insufficient data

Estimated value range

unavailable — no valuation method could be computed

Valuation assumptions are editorial choices, not measured; beta is not measured.

Valuation methods

  • DCF (discounted cash flow)unavailable · net debt missing: EV cannot be bridged to equity (missing debt is not zero)
  • Peers: EV/EBITDAunavailable · net debt missing: EV cannot be bridged to equity (missing debt is not zero)
  • Peers: P/Eunavailable · the base of the ratio is not positive
  • Dividend discount (DDM)unavailable · the company pays no dividend: a dividend model needs an explicit initiation assumption

no valuation method could be computed

Multiple comparisons use the SIC vertical: Pharmaceutical Preparations (SIC 2834)

Classification (SIC) comparables group by industry code, not by economic activity; the direct group is an editorial selection by activity. Members' multiples are on their own trailing twelve months, at their own latest close.

Assumptions (illustrative, editorial)

Risk-free rate
4.3%
Equity risk premium
5.0%
Beta (default)
1.00
Cost of equity
9.3%
Terminal growth
2.5%

Factor scorecard

Insufficient data

Minimum-evidence gate: indicators available: 5 of at least 6; score weight coverage: 33.3% of at least 60%; valuation methods computed: 0 of at least 1

FactorValueScoreWeight used
ROIC · Qualityunavailableunavailable—
Net margin · Quality-64.7%26 (vs peers)19%
FCF conversion · Qualityunavailableunavailable—
Revenue CAGR 3Y · Growth17.1%100 (on a fixed band)25%
EPS CAGR 3Y · Growthunavailableunavailable—
Net debt / EBITDA · Balance sheetunavailableunavailable—
Interest coverage · Balance sheet-31.6x0 (on a fixed band)19%
Current ratio · Balance sheet7.9x100 (on a fixed band)13%
P/E (TTM) · Valuationunavailableunavailable—
EV/EBITDA · Valuationunavailableunavailable—
FCF yield · Valuation-8.4%0 (on a fixed band)25%
Shareholder yield (distributions) · Returnsunavailableunavailable—
Payout ratio (FCF) · Returnsunavailableunavailable—

Factors without a value were dropped; the remaining weights were renormalised.

Score groups

  • Balance sheet40/100 · 2/3 factors with a value
  • Growth· partial100/100 · 1/2 factors with a value
  • Quality· partial26/100 · 1/3 factors with a value
  • Returns· partialunavailable · 0/2 factors with a value
  • Valuation· partial0/100 · 1/3 factors with a value

A «partial» group is computed from under half of its weight or from one factor: it is not a full assessment of the group.

Memo

Ionis Pharmaceuticals, Inc. (IONS). Latest full fiscal year: 2025; data up to 2026-06-30.

Figures computed from the financial statements: revenue 943.7 m USD in 2025; YoY growth 33.8%; net margin -64.7%; ROE -105.5%.

Valuation cannot be computed from the available data.

Insufficient data for a verdict (indicators available: 5 of at least 6; score weight coverage: 33.3% of at least 60%; valuation methods computed: 0 of at least 1).

Text generated deterministically from the figures shown; no language model. Not investment advice.

What supports the thesis

  • Revenue CAGR 3Y: 17.1%
  • Current ratio: 7.9x

What contradicts it

  • Net margin: -64.7%
  • Interest coverage: -31.6x
  • FCF yield: -8.4%

Not assessed (insufficient data or a ratio without meaning): ROIC, FCF conversion, EPS CAGR 3Y, Net debt / EBITDA, P/E (TTM), EV/EBITDA, Shareholder yield (distributions), Payout ratio (FCF).

Versus the vertical median

Pharmaceutical Preparations (SIC 2834) · same industry (4-digit SIC) · compared with 39 companies

Multiples and returns vs the median

P/E
—
vertical median 32.4x
EV/EBITDA
—
vertical median 24.9x
P/S
7.6x
vertical median 7.1x
above median (+8.2%)
P/B
15.2x
vertical median 6.0x
above median (+151.4%)
ROE
-105.5%
vertical median -9.5%
below median
Net margin
-64.7%
vertical median 4.2%
below median (−1,643.9%)
EBIT margin
-68.0%
vertical median -4.2%
below median
Revenue YoY
33.8%
vertical median 5.9%
above median (+477.5%)
Net debt/EBITDA
—
vertical median -0.0x
Dividend yield
—
vertical median 2.2%

Price rebased to 100 (monthly, 5 years)

Companies in the vertical

Market capP/EROENet marginRevenue YoY1A / 3A
LLYEli Lilly And Company1,325.9 bn45.786.1%31.9%+44.7%+31% / +138%
JNJJohnson & Johnson640.8 bn40.420.0%16.2%+6.0%+29% / +72%
ONCBeone Medicines Ltd.524.7 bn817.514.7%10.7%+40.2%+4% / +90%
ABBVAbbVie Inc.505.5 bn49.2—15.7%+8.6%+26% / +101%
MRKMerck & Co., Inc.356.9 bn115.67.0%4.8%+1.3%+38% / +41%
ABTAbbott Laboratories190.6 bn30.612.4%13.9%+5.7%−15% / +5%
PFEPfizer Inc171.0 bn42.74.4%6.3%−1.6%+17% / −2%
VRTXVertex Pharmaceuticals Inc134.6 bn34.220.8%30.7%+8.9%+22% / +50%
BMYBristol-Myers Squibb Company126.1 bn13.744.1%18.5%−0.2%+25% / +25%
TEVATeva Pharmaceutical Industries Limited48.9 bn97.66.6%3.6%+4.3%+56% / +327%
ZTSZoetis Inc.34.3 bn13.764.4%27.5%+2.3%−35% / −53%
ROIVRoivant Sciences Ltd.26.0 bn—-6.2%-3,535.0%−71.6%+73% / +277%
UTHRUnited Therapeutics Corporation25.8 bn21.519.3%41.6%+10.6%+24% / +151%
RPRXRoyalty Pharma plc25.8 bn37.68.5%32.1%+5.1%+66% / +145%
INSMInsmed Inc22.9 bn—-72.5%-39.9%+66.7%−50% / +317%
VTRSViatris Inc.21.7 bn—-23.6%-23.9%−3.0%+77% / +106%
ALNYAlnylam Pharmaceuticals, Inc.21.4 bn8.1126.6%52.8%+65.2%−65% / −5%
TGTXTg Therapeutics, Inc.9.4 bn22.5100.3%55.2%+87.3%+85% / +381%
IONSIonis Pharmaceuticals, Inc.6.7 bn—-105.5%-64.7%+33.8%−45% / −15%
BLRXBioLineRx Ltd4.9 bn—-12.8%-171.7%−95.9%−46% / −97%
BHCBausch Health Companies Inc.3.1 bn——-7.6%+6.7%+31% / +17%
ANABAnaptysbio, Inc.1.4 bn11.5—82.4%+157.0%+71% / +404%
KURAKura Oncology, Inc.677.0 m—-167.7%-384.3%+25.2%−37% / −21%
DMACDiaMedica Therapeutics Inc.580.8 m—-114.6%—unavailable+25% / +341%
PHATPhathom Pharmaceuticals, Inc.461.7 m——-30.2%+216.9%−64% / −19%

1- and 3-year price returns: for IONS from daily closes (the same as the performance table), for the other companies from month-end closes.

olivLaw engine forecast

The world engine ran after the company's latest material disclosure. Probabilities are of TOUCHING a level within the horizon (not closing there) and sit next to the random walk (p_rw), the no-information benchmark.

The engine has no published run for this company yet.

Valuation scenarios (editable assumptions)

Illustrative scenarios

Illustrative: not forecasts and without probabilities. Each case is one coherent set of assumptions, computed on today's figures.

Bear
Allowed range: -50 … 50%
Allowed range: -100 … 100%
Allowed range: 0 … 100
Allowed range: -10 … 20%
Allowed range: 0 … 100%
Base
Allowed range: -50 … 50%
Allowed range: -100 … 100%
Allowed range: 0 … 100
Allowed range: -10 … 20%
Allowed range: 0 … 100%
Bull
Allowed range: -50 … 50%
Allowed range: -100 … 100%
Allowed range: 0 … 100
Allowed range: -10 … 20%
Allowed range: 0 … 100%
Nothing is saved.

Estimated price (USD)

Estimated priceBearBaseBull
1 years
insufficient data
Total return unavailable · Per year unavailable
insufficient data
Total return unavailable · Per year unavailable
insufficient data
Total return unavailable · Per year unavailable
3 years
insufficient data
Total return unavailable · Per year unavailable
insufficient data
Total return unavailable · Per year unavailable
insufficient data
Total return unavailable · Per year unavailable
5 years
insufficient data
Total return unavailable · Per year unavailable
insufficient data
Total return unavailable · Per year unavailable
insufficient data
Total return unavailable · Per year unavailable
What moves the 3-year price the most

    AI analysis

    AI-generatedAI-generated analysis (Claude) from cited public sources; it may contain errors. Not investment advice. As of 27 Oct 2026 · Model: claude-haiku-5-5.

    In brief

    Ionis Pharmaceuticals is a biotechnology company specialized in RNA-targeted medicines that moved in 2025 to a fully integrated commercial-stage business, with several independent launches underway. Total revenue of about 944 million USD in 2025 and the June 2026 launch of TRYNGOLZA for sHTG make the company a subject of interest for investors and patients.

    SWOT

    Strengths

    • A portfolio of seven marketed medicines and a proprietary RNA-targeted discovery technology.
    • Several active partnerships that bring royalties and research payments, diversifying revenue.
    • Successful independent launches in rare indications with approvals in the U.S. and Europe.

    Weaknesses

    • Limited experience in independent commercialization, requiring continued investment in sales infrastructure.
    • Dependence on partners for major revenue streams, such as SPINRAZA and WAINUA.
    • High operating expenses and operating losses during the launch period.

    Opportunities

    • Expansion of TRYNGOLZA into sHTG could significantly widen the addressable market if adoption is rapid.
    • The launch of zilganersen in AxD could bring the first independent product from the neurology portfolio.
    • Results from ongoing studies could open new indications for existing products.

    Threats

    • Pricing pressure in the U.S. and other markets can reduce revenue per patient.
    • Competition from large companies and oral products may limit market share.
    • Negative results in clinical studies, such as those in ATTR-CM, could affect expected revenue.

    Risks

    • Failures in independent commercializationhigh

      The company has limited sales and marketing experience, and simultaneous launches can strain resources. If sales fall short of expectations, revenue and operating results could be affected.

    • Reimbursement and pricing pressurehigh

      Payers and governments may limit prices or reimbursement terms, which could reduce revenue from own products and royalties.

    • Dependence on commercial partnersmedium

      Significant revenue depends on partners who commercialize SPINRAZA, WAINUA and other products. Changes in partners' strategies could affect royalties.

    • Uncertain clinical resultsmedium

      Ongoing studies may produce unfavorable results, and the failure of an indication could reduce the value of some programs.

    • Liquidity and high spendingmedium

      High expenses and the repayment of convertible notes have reduced cash reserves. If revenue does not grow enough, the company could need additional financing.

    Investment thesis

    What would need to be true (bull case)

    • If the TRYNGOLZA launch in sHTG and DAWNZERA growth are confirmed, commercial revenue could grow steadily in the coming years.
    • A diversified portfolio of own products and royalties reduces dependence on a single product or partner.
    • Recent approvals in the U.S. and Europe show the company's ability to obtain authorizations for new therapies.

    What would break the thesis

    • High launch and research costs could extend the period of operating losses longer than anticipated.
    • Pricing pressure in the U.S. could compress margins on high-priced products.
    • Failure of key studies, such as those for ATTR-CM, could lower expectations for future revenue.

    What to watch

    • FDA decision on zilganersen for AxDQ3 2026
    • FDA decision on bepirovirsen for chronic hepatitis BQ4 2026
    • Achievement of 2026 product sales guidance for TRYNGOLZA and DAWNZERA2026
    • Target for cash flow breakeven2028

    Products, market & competition

    AI-generatedAI-generated analysis (Claude) from cited public sources; it may contain errors. Not investment advice. As of 27 Oct 2026 · Model: claude-haiku-5-5.

    The business

    Ionis develops RNA-targeted medicines using its own drug discovery technology and reports seven marketed medicines: TRYNGOLZA, DAWNZERA, WAINUA, SPINRAZA, QALSODY, TEGSEDI and WAYLIVRA 1. The company aims to lead in neurology, cardiometabolic diseases and other areas of high unmet need, with a pipeline in clinical development 1. By 2025 its model shifted from relying on partners to independently commercializing its first products 12.

    Ionis works through both its own products and partnerships: Biogen commercializes SPINRAZA, WAINUA is co-commercialized with AstraZeneca in the U.S., and some products in Europe are distributed through Sobi 1. This structure generates revenue from direct sales, royalties and research and development contracts, which the company reports separately 13. As a result, quarterly revenue can fluctuate considerably depending on program-related payments and the timing of partner receipts 3.

    The revenue mix shows dependence on partners: in 2025, collaboration research revenue made up most of the total, while commercial revenue grew, mainly thanks to TRYNGOLZA 1. In the first half of 2026, commercial revenue continued to grow while research revenue declined year over year, when a one-time payment linked to sapablursen had been recognized 3. The company says it aims to reach cash flow breakeven in 2028 3.

    Segments

    Royalties

    Mainly come from SPINRAZA and WAINUA, partner products. Total royalty revenue was 285.5 million USD in 2025 1. In the second quarter of 2026, royalties from SPINRAZA were 54 million USD and from WAINUA 16 million USD 3.

    Collaborative research and development

    Includes payments from partners for programs in development and, in 2025, a one-time payment for the sapablursen license. This component is the most volatile part of revenue because it depends on program stages 13.

    Market context

    The market is shaped by U.S. pricing policies and European regulations. Pharmaceutical companies face price negotiation mechanisms and proposed reimbursement models based on reference prices, which could reduce per-unit revenue 1. For Ionis this context matters mainly for high-priced products aimed at small patient populations 1.

    Trends

    • Independent launchesmixed

      Moving from partner dependence to self-commercialization could raise revenue but also raise sales, marketing and market access costs. The company reported that operating expenses rose because of these launches 13.

    • TRYNGOLZA approval for sHTGtailwind

      The June 2026 approval extends the potential market for TRYNGOLZA to patients with severe hypertriglyceridemia. The company indicated early launch momentum, but quarterly figures remain small 3.

    • Lower prices and reimbursement pressureheadwind

      The reduction in TRYNGOLZA's net price from April 2026 and U.S. pricing pressure could limit revenue per patient even if volumes grow 13.

    • Clinical results of partnersmixed

      Results from studies of partner products, such as eplontersen in ATTR-CM, can change royalty and collaboration revenue. A negative result can lower expectations, while a positive one can open new indications 3.

    Competitive position

    The company notes several competitors working on the same molecular targets or diseases, including large pharmaceutical companies and firms specialized in RNA. Competitors may have greater financial and clinical resources, which could let them win approvals faster or develop products that are easier to administer 1.

    In some segments Ionis products compete directly with oral medicines or other approved therapies. For example, TRYNGOLZA faces a commercial competitor in FCS, and WAINUA faces several alternatives, including an oral product 1.

    • Large pharmaceutical companies with competing RNA therapies

      The source mentions competitors from large pharmaceutical industry developing therapies for the same targets, without naming them in the text.

    • Makers of oral alternatives

      An oral product competes with WAINUA and DAWNZERA, according to the sources.

    • Commercial competitor in FCS

      There is a commercial competitor for TRYNGOLZA in the FCS indication, not named in the source.

    • Firms specialized in RNA technologies

      Other companies develop RNA technologies, which increases competition in drug discovery.

    News & filings

    In the press

    The latest news item in our archive is from 20 Sept 2026; the newest SEC filing is from 23 Oct 2026. The press archive comes from the RSS feeds we follow and does not necessarily cover the latest event — the filings alongside do.

    SEC filings

    • Current report23 Oct 2026
      Regulation FD disclosure · Other events · Financial statements and exhibits
    • Current report21 Oct 2026
      Regulation FD disclosure · Other events · Financial statements and exhibits
    • Current report23 Sept 2026
      Regulation FD disclosure · Other events · Financial statements and exhibits
    • Current report04 Sept 2026
      Regulation FD disclosure · Other events · Financial statements and exhibits
    • Current report04 Sept 2026
      Regulation FD disclosure · Other events · Financial statements and exhibits
    • Quarterly report29 Jul 2026
    • Current report29 Jul 2026
      Results of operations · Financial statements and exhibits
    • Current report10 Jul 2026
      Regulation FD disclosure · Financial statements and exhibits
    • Current report09 Jul 2026
      Regulation FD disclosure · Other events · Financial statements and exhibits
    • Current report24 Jun 2026
      Regulation FD disclosure · Other events · Financial statements and exhibits

    Sources

    1. [1] Form 10-K, fiscal year ended 2025-12-31 · SEC / Ionis Pharmaceuticals, Inc. · 26 Feb 2026
    2. [2] Form 10-Q, quarter ended 2026-06-30 · SEC / Ionis Pharmaceuticals, Inc. · 29 Jul 2026
    3. [3] Form 8-K, results release (exhibit 99.1) · SEC / Ionis Pharmaceuticals, Inc. · 29 Jul 2026

    Figures computed by olivLaw from SEC filings and closing prices; the qualitative analysis is AI-generated from cited sources. Not investment advice.