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olivLaw · US equity research

Prime Medicine, Inc. PRME

Biological Products, (No Diagnostic Substances) · SIC 2836 · Vertical: Biological Products, (No Diagnostic Substances) (SIC 2836)

4.97USD+9.23% · 1 dayClose 04 Nov 2026

Prime Medicine is a biotechnology company developing genetic therapies based on Prime Editing, a technology that rewrites DNA without making double-stranded breaks. The company is nearing its first clinical entries for programs in Wilson disease and alpha-1 antitrypsin deficiency, and its liquidity, of $108.8 million as of June 30, 2026, provides runway into 2027, which makes the coming period decisive.

At the close of 04 Nov 2026, Prime Medicine, Inc. (PRME) stock was 4.97 USD (+9.23% on the day), with market capitalisation 901.4 m USD, beta 2.23, 52-week range 2.70–5.36 USD. Latest reported quarter (Q2 2026): net income of -42.1 m USD, diluted EPS -0.24 USD.

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

Market cap
901.4 m USD
shares as of 31 Jul 2026
P/E (TTM)
unavailable
Diluted EPS TTM -1.10 · TTM to 30 Jun 2026
E/P (TTM)
-22.14%
TTM to 30 Jun 2026
Dividend yield
unavailable
Beta (2y)
2.23
Volatility (1y) 91%
52-week range
2.705.36

Price history

Loading chart…

Technical reading

RSI (14)
62.9
strong (55–70)
Bollinger (20, 2)
2.80 – 5.30
in the upper half of the band · %B 0.87 · band width 61.8%
SMA 50 / 200
3.61 / 3.50
uptrend (price > SMA50 > SMA200)
MACD (12, 26, 9)
0.38 / 0.30
MACD above 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+54.8%−2.0%+56.8 pp—
3 months+61.4%−2.2%+63.5 pp—
6 months+45.7%+4.3%+41.5 pp—
Year to date+44.5%+10.6%+33.9 pp—
1 year+15.6%+10.5%+5.1 pp−3.8%
3 years−36.3%+73.7%−109.9 pp+18.6%
5 yearsunavailable+61.7%unavailable—
Max drawdown (1y)
−42.2%
22 Jan 2026 → 19 May 2026
Max drawdown (5y)
−94.6%
01 Nov 2022 → 08 Apr 2025
Compound annual growth (5y)
unavailable
S&P 500 +10.1%

Price returns, dividends excluded.

Quarterly results

Latest quarter: Q2 2026 · 30 Jun 2026

Revenue
unavailable USD
unavailable YoY
Net income
-42.1 m USD
unavailable YoY
Diluted EPS
-0.24
unavailable YoY
net / operating
unavailable / unavailable

Quarterly margins

Quarterly statements · USD

Fiscal yearQ3 '24Q4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26Q2 '26
Revenue209.0 k2.2 m1.5 m1.1 m1.2 m838.0 k——
Research & development40.3 m34.1 m40.6 m41.4 m44.0 m34.7 m34.1 m33.4 m
Operating income-54.2 m-44.2 m-52.4 m-53.4 m-54.0 m-48.6 m-50.7 m-43.3 m
Depreciation & amortisation1.6 m1.7 m1.7 m1.9 m1.9 m1.9 m1.9 m1.8 m
Income tax0000————
Net income-52.5 m-42.3 m-51.9 m-52.6 m-50.6 m-46.1 m-49.1 m-42.1 m
Diluted EPS-0.44-0.32 ≈-0.40-0.41-0.32-0.26 ≈-0.28-0.24
Operating cash flow-25.9 m ≈16.2 m-48.9 m-41.4 m ≈-35.0 m ≈-37.3 m-42.7 m-41.0 m ≈
Capex1.3 m ≈1.8 m2.4 m1.6 m ≈247.0 k ≈290.0 k214.0 k46.0 k ≈

≈ 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 year202020212022202320242025
Revenue5.2 m0003.0 m4.6 m
Revenue YoYunavailable−100.0%unavailableunavailableunavailable+55.3%
Net income-3.4 m-165.4 m-121.8 m-198.1 m-195.9 m-201.1 m
Net income YoYunavailableunavailableunavailableunavailableunavailableunavailable
Diluted EPS-1.91-14.19-4.19-2.18-1.65-1.35
Diluted EPS YoYunavailableunavailableunavailableunavailableunavailableunavailable
net %-65.5%unavailableunavailableunavailable-6,566.6%-4,342.4%
Free cash flow-6.2 m-38.2 m-147.9 m-174.1 m-130.2 m-167.1 m

Reported results vs expectations

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Balance sheet & financial health

Fiscal year 2025 · 31 Dec 2025

Cash
63.0 m USD
Financial debt
unavailable USD
Net debt
unavailable USD
Equity
120.9 m USD
Total assets
342.7 m USD
Debt / equity
unavailable
Current ratio
4.84x
ROE
-146.8%
ROA
-62.8%
FCF margin
-3,607.4%

Financial statements (source on every figure)

Revenue and net income (USD)

Margins

Income statement · USD

Revenue
2023
0
2024
3.0 m
2025
4.6 m

SEC (XBRL)· 03 Mar 2026verified

Research & development
2023
147.9 m
2024
155.3 m
2025
160.6 m

SEC (XBRL)· 03 Mar 2026verified

Operating income
2023
-204.8 m
2024
-202.5 m
2025
-208.4 m

SEC (XBRL)· 03 Mar 2026verified

Depreciation & amortisation
2023
4.7 m
2024
6.1 m
2025
7.3 m

SEC (XBRL)· 03 Mar 2026verified

EBITDA
2023
-200.1 m ≈
2024
-196.3 m ≈
2025
-201.0 m ≈

SEC (XBRL)· 03 Mar 2026derived

Income tax
2023
-279.0 k
2024
0
2025
0

SEC (XBRL)· 03 Mar 2026verified

Net income
2023
-198.1 m
2024
-195.9 m
2025
-201.1 m

SEC (XBRL)· 03 Mar 2026verified

Diluted EPS
2023
-2.18
2024
-1.65
2025
-1.35

SEC (XBRL)· 03 Mar 2026verified

Weighted average diluted shares
2023
91.0 m
2024
118.6 m
2025
148.8 m

SEC (XBRL)· 03 Mar 2026verified

Balance sheet · USD

Cash
2023
41.6 m
2024
182.5 m
2025
63.0 m

SEC (XBRL)· 03 Mar 2026verified

Current assets
2023
143.0 m
2024
211.9 m
2025
181.3 m

SEC (XBRL)· 03 Mar 2026verified

Property, plant & equipment, net
2023
22.7 m
2024
24.4 m
2025
20.6 m

SEC (XBRL)· 03 Mar 2026verified

Total assets
2023
193.9 m
2024
297.5 m
2025
342.7 m

SEC (XBRL)· 03 Mar 2026verified

Accounts payable
2023
19.5 m
2024
11.4 m
2025
8.9 m

SEC (XBRL)· 03 Mar 2026verified

Current liabilities
2023
56.4 m
2024
38.0 m
2025
37.4 m

SEC (XBRL)· 03 Mar 2026verified

Total liabilities
2023
60.8 m
2024
144.4 m
2025
221.9 m

SEC (XBRL)· 03 Mar 2026verified

Equity
2023
133.1 m †
2024
153.1 m †
2025
120.9 m †

SEC (XBRL)· 03 Mar 2026verified

Cash flow · USD

Operating cash flow
2023
-165.4 m
2024
-122.9 m
2025
-162.6 m

SEC (XBRL)· 03 Mar 2026verified

Capex
2023
8.7 m
2024
7.3 m
2025
4.5 m

SEC (XBRL)· 03 Mar 2026verified

Free cash flow
2023
-174.1 m ≈
2024
-130.2 m ≈
2025
-167.1 m ≈

SEC (XBRL)· 03 Mar 2026derived

Investing cash flow
2023
18.7 m
2024
68.5 m
2025
-108.8 m

SEC (XBRL)· 03 Mar 2026verified

Financing cash flow
2023
655.0 k
2024
195.9 m
2025
151.5 m

SEC (XBRL)· 03 Mar 2026verified

Computed indicators

Growth

Revenue growth (YoY)
55.3%
computed by olivLawFY 2025
Revenue CAGR 3Y
unavailable
the base of the ratio is not positive
Revenue CAGR 5Y
-2.3%
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
unavailable
input data missing
EBITDA margin
-4,082.9%
computed by olivLawFY 2025
EBIT margin
-4,242.7%
computed by olivLawFY 2025
Net margin
-4,056.4%
computed by olivLawFY 2025
FCF margin
-3,386.2%
computed by olivLawFY 2025

Returns

ROE
-373.3%
computed by olivLawFY 2025 · balance sheet at 30 Jun 2026
ROA
-71.2%
computed by olivLawFY 2025 · balance sheet at 30 Jun 2026
ROIC
unavailable
input data missing
ROCE
-90.4%
computed by olivLawFY 2025 · 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
unavailable
input data missing

Liquidity

Current ratio
3.1x
computed by olivLawbalance sheet at 30 Jun 2026
Quick ratio
unavailable
input data missing
Cash ratio
1.5x
computed by olivLawbalance sheet at 30 Jun 2026

Cash

Operating cash flow
-156.1 m USD
computed by olivLawTTM to 30 Jun 2026
Capital expenditure
797.0 k USD
computed by olivLawTTM to 30 Jun 2026
Free cash flow
-156.8 m USD
computed by olivLawFY 2025
FCF conversion
unavailable
insufficient data
Cash conversion
unavailable
insufficient data

Efficiency

Days sales outstanding
unavailable
input data missing
Days inventory outstanding
unavailable
input data missing
Days payables outstanding
unavailable
input data missing
Cash conversion cycle
unavailable
input data missing

Market and valuation

Market capitalisation
901.4 m 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
-22.1%
computed by olivLawTTM to 30 Jun 2026
P/B
22.6x
computed by olivLawbalance sheet at 30 Jun 2026
P/S
194.6x
computed by olivLawFY 2025 · 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
-17.4%
computed by olivLawFY 2025 · 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: 3 of at least 6
  • score weight coverage: 18.8% of at least 60%
  • valuation methods computed: 0 of at least 1

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

Closing price

4.97 USD

04 Nov 2026Source: olivLaw, closing series

Market cap: 901.4 m USD

Key indicators

Market capitalisation
901.4 m USD
computed by olivLawbalance sheet at 30 Jun 2026
P/E (TTM)
unavailable
insufficient data
P/B
22.6x
computed by olivLawbalance sheet at 30 Jun 2026
EV/EBITDA
unavailable
input data missing
ROE
-373.3%
computed by olivLawFY 2025 · balance sheet at 30 Jun 2026
Net margin
-4,056.4%
computed by olivLawFY 2025
Revenue growth (YoY)
55.3%
computed by olivLawFY 2025
Dividend yield
unavailable
no dividend in the structured statements; a missing line is not a confirmed zero

Coverage and freshness

22/37 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: 31 Jul 2026
Source: SEC (XBRL)published 06 Aug 2026
verified 546derived 47

Score by group

19% · 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 · input data missing
  • 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: Biological Products, (No Diagnostic Substances) (SIC 2836)

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: 3 of at least 6; score weight coverage: 18.8% of at least 60%; valuation methods computed: 0 of at least 1

FactorValueScoreWeight used
ROIC · Qualityunavailableunavailable—
Net margin · Quality-4,056.4%10 (vs peers)33%
FCF conversion · Qualityunavailableunavailable—
Revenue CAGR 3Y · Growthunavailableunavailable—
EPS CAGR 3Y · Growthunavailableunavailable—
Net debt / EBITDA · Balance sheetunavailableunavailable—
Interest coverage · Balance sheetunavailableunavailable—
Current ratio · Balance sheet3.1x100 (on a fixed band)22%
P/E (TTM) · Valuationunavailableunavailable—
EV/EBITDA · Valuationunavailableunavailable—
FCF yield · Valuation-17.4%0 (on a fixed band)44%
Shareholder yield (distributions) · Returnsunavailableunavailable—
Payout ratio (FCF) · Returnsunavailableunavailable—

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

Score groups

  • Balance sheet· partial100/100 · 1/3 factors with a value
  • Growth· partialunavailable · 0/2 factors with a value
  • Quality· partial10/100 · 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

Prime Medicine, Inc. (PRME). Latest full fiscal year: 2025; data up to 2026-06-30.

Figures computed from the financial statements: revenue 4.6 m USD in 2025; YoY growth 55.3%; net margin -4,056.4%; ROE -373.3%.

Valuation cannot be computed from the available data.

Insufficient data for a verdict (indicators available: 3 of at least 6; score weight coverage: 18.8% 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

  • Current ratio: 3.1x

What contradicts it

  • Net margin: -4,056.4%
  • FCF yield: -17.4%

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

Versus the vertical median

Biological Products, (No Diagnostic Substances) (SIC 2836) · same industry (4-digit SIC) · compared with 39 companies

Multiples and returns vs the median

P/E
—
vertical median 38.4x
EV/EBITDA
—
vertical median 20.7x
P/S
194.6x
vertical median 7.3x
above median (+2,553.2%)
P/B
22.6x
vertical median 5.8x
above median (+288.3%)
ROE
-373.3%
vertical median -38.1%
below median
Net margin
-4,056.4%
vertical median -102.9%
below median
EBIT margin
-4,242.7%
vertical median -122.7%
below median
Revenue YoY
55.3%
vertical median 4.4%
above median (+1,168.8%)
Net debt/EBITDA
—
vertical median 3.1x
Dividend yield
—
vertical median 0.8%

Price rebased to 100 (monthly, 5 years)

Companies in the vertical

Market capP/EROENet marginRevenue YoY1A / 3A
AMGNAmgen Inc.249.4 bn28.791.5%23.0%+10.0%+34% / +71%
GILDGilead Sciences, Inc.207.7 bn—-22.3%-12.5%+2.4%+33% / +119%
MRNAModerna, Inc.91.2 bn—-39.0%-141.4%−39.9%+779% / +194%
RVMDRevolution Medicines, Inc.41.6 bn—-79.1%—unavailable+150% / +733%
BIIBBiogen Inc.36.8 bn106.41.9%3.4%+2.2%+37% / +6%
MESOMesoblast Limited18.5 bn—-19.0%-593.9%+191.4%−17% / +425%
EXELExelixis, Inc.17.6 bn21.644.3%35.5%+7.0%+64% / +232%
HALOHalozyme Therapeutics, Inc.14.8 bn38.4173.7%24.9%+37.6%+83% / +238%
KYMRKymera Therapeutics, Inc.11.6 bn—-27.3%-341.8%−16.7%+101% / +556%
TWSTTwist Bioscience Corporation8.9 bn—-29.6%-31.7%+20.3%+345% / +493%
SCNIScinai Immunotherapeutics Ltd.6.2 bn—-91.9%-633.6%+99.2%−96% / −99%
CGONCG Oncology, Inc.6.0 bn—-26.4%-3,602.7%+254.7%+51% / unavailable
TARSTarsus Pharmaceuticals, Inc.3.4 bn—-319.8%-102.9%+146.7%−14% / +318%
DNLIDenali Therapeutics Inc.3.4 bn—-33.9%-1,470.5%unavailable+8% / +13%
ADMAAdma Biologics, Inc.2.3 bn14.941.9%33.0%+19.6%−45% / +183%
VCELVericel Corporation2.3 bn107.77.2%7.9%+16.5%+13% / +28%
BCRXBiocryst Pharmaceuticals, Inc.2.1 bn——-40.9%+94.1%+15% / +40%
VIRVir Biotechnology, Inc.2.0 bn—-26.1%-83.0%−7.6%+83% / +24%
ALVOAlvotech1.5 bn46.7—4.8%+19.7%−8% / −51%
INBXInhibrx Biosciences, Inc.1.3 bn—-1,773.6%—+550.0%+3% / unavailable
EVAXEvaxion A1.2 bn—-100.2%-102.4%+125.1%−50% / −93%
PRMEPrime Medicine, Inc.901.4 m—-373.3%-4,056.4%+55.3%+16% / −36%
CADLCandel Therapeutics, Inc.692.5 m—-81.8%—0.0%+90% / +907%
SRZNSurrozen, Inc.372.0 m——-2,885.3%−67.4%+91% / +340%
AUTLAutolus Therapeutics plc367.3 m—-133.0%-238.7%+644.9%−2% / −68%

1- and 3-year price returns: for PRME 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

    Prime Medicine is a biotechnology company developing genetic therapies based on Prime Editing, a technology that rewrites DNA without making double-stranded breaks. The company is nearing its first clinical entries for programs in Wilson disease and alpha-1 antitrypsin deficiency, and its liquidity, of $108.8 million as of June 30, 2026, provides runway into 2027, which makes the coming period decisive.

    SWOT

    Strengths

    • Prime Editing does not require double-stranded breaks, which could reduce the risk of genomic instability compared with nucleases.
    • The modular platform allows rapid swapping of the pegRNA for new mutations while keeping the same delivery system and manufacturing processes.
    • The PM359 program has produced human clinical data and received several FDA designations, supporting the credibility of the technology.

    Weaknesses

    • The company has no product sales revenue and has reported repeated net losses since its founding.
    • Financial reports flag a significant going-concern risk tied to dependence on external funding.
    • Most programs are in research or preclinical stages, and the failure rate at these stages remains high.

    Opportunities

    • Starting clinical studies for Wilson disease and AATD could produce data that expand the evidence for in vivo Prime Editing.
    • An accelerated approval path for PM359 could bring the first Prime Editing therapy to patients.
    • Platform modularity could allow expansion into other liver and lung indications, as well as oncology.

    Threats

    • Clinical failure in the Wilson disease and AATD studies could delay or halt these programs.
    • If additional funding is not available on acceptable terms, the company could be forced to reduce or eliminate programs.
    • Competitors developing other gene editing technologies could reach the market first with similar therapies.

    Risks

    • Going concernhigh

      The annual report states substantial doubt about the company's ability to continue operating without additional financing, which could affect the share price and access to capital.

    • Dilution from share issuancehigh

      Raising funds through share sales or convertible securities could reduce the stake of existing shareholders and impose liquidation preferences.

    • Clinical riskhigh

      Programs are at early stages, and results from animal models or limited studies do not guarantee efficacy in humans.

    • Dependence on partnersmedium

      Collaborations with Bristol-Myers Squibb and the Cystic Fibrosis Foundation could be terminated if the company fails to meet its obligations, potentially affecting funding and technology rights.

    • Intellectual property disputesmedium

      The arbitration with Beam Therapeutics shows that disputes over the scope of rights can be costly even when the outcome is favorable.

    Investment thesis

    What would need to be true (bull case)

    • If clinical data from the Wilson disease and AATD studies, expected in 2027, confirm genetic correction in humans, the company could demonstrate the value of its modular platform.
    • The RMAT designation for PM359 and the intention to file a BLA in 2027 could accelerate the first approval of a Prime Editing therapy.
    • The favorable resolution of the arbitration with Beam Therapeutics could strengthen the company's rights over PM647.

    What would break the thesis

    • Limited liquidity and the going-concern warning suggest a new funding round could be needed soon, with dilution for shareholders.
    • Most programs are at preclinical stage, and failure in clinical studies could sharply reduce the company's value.
    • Competition in genome editing is intense, and if other technologies reach similar results faster, the advantage of Prime Editing could be diminished.

    What to watch

    • Initial clinical results for PM577a in Wilson disease2027
    • IND and/or CTA submission for PM647 in AATDQ3 2026
    • BLA submission for PM359 in CGD1H 2027
    • Liquidity level and any new share issuancenext 10-K

    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

    Prime Medicine focuses its development on in vivo programs for genetic liver diseases, notably Wilson disease (PM577a) and alpha-1 antitrypsin deficiency (PM647), both based on a universal liver lipid nanoparticle. The company also has a cystic fibrosis program supported by the Cystic Fibrosis Foundation and an ex vivo program, PM359, for chronic granulomatous disease, developed with Bristol-Myers Squibb. The strategy relies on platform modularity, which allows only the mutation-specific pegRNA to change while the editor and delivery architecture stay the same. In fiscal 2025 the company had no product sales revenue, its revenue coming from collaboration and license agreements, and it reported a significant going-concern risk.

    Segments

    In vivo liver programs

    This is the most important segment, covering Wilson disease and alpha-1 antitrypsin deficiency. For Wilson disease, an IND and a CTA have been cleared in the United States and New Zealand, while for AATD an IND and/or CTA submission is expected in the third quarter of 2026, with initial clinical data in 2027. Development in this segment is centered on what the company calls its liver franchise.

    PM359 for CGD

    The ex vivo program PM359 is the only one with published human clinical data and received RMAT designation from the FDA in June 2026. The company is working toward a Biologics License Application (BLA) in the first half of 2027, and it has indicated that if regulators allow an accelerated path, approval could come sooner.

    Market context

    Wilson disease affects an estimated 1 in 30,000 individuals across the United States, Europe and Japan, and the H1069Q mutation is most prevalent in North America and Europe. Current standard therapies, copper chelators and zinc salts, require lifelong adherence, leaving a significant unmet medical need. The market for curative genetic therapies is still early, and clinical success of the first programs could determine the pace of adoption.

    Trends

    • Clinical validation of gene editingtailwind

      Clinical data from the PM359 program and FDA designations could support confidence among investors and partners in Prime Editing technology.

    • High capital requirementsheadwind

      Manufacturing genetic therapies and running clinical trials require substantial funding, and limited liquidity can force companies to issue shares or give up rights.

    • Faster regulatory pathwaystailwind

      RMAT, Fast Track and orphan drug designations can shorten review timelines if clinical data continue to support safety and efficacy.

    • Competition in genome editingmixed

      Rapid progress in CRISPR, base editing and RNA editing could reduce the differentiating advantage of Prime Editing if other approaches reach similar results.

    Competitive position

    Prime Medicine compares its technology with other gene editing approaches, including CRISPR nucleases, which introduce double-stranded breaks, base editors, which modify only certain substitutions, and RNA editors, which do not provide permanent correction. The company argues Prime Editing has a superior precision profile, but this advantage still needs to be demonstrated in clinical data.

    In the Wilson disease market the company competes indirectly with standard treatments involving copper chelators and zinc salts, and in AATD with gene therapy approaches aimed at alpha-1 antitrypsin production. Direct competition in genome editing depends on the clinical success of each competitor's programs.

    • Beam TherapeuticsBEAM

      A base editing company with which Prime Medicine went through arbitration over rights to PM647; the arbitration was resolved favorably for the company, but the relationship remains important.

    • Intellia TherapeuticsNTLA

      A company developing CRISPR nuclease-based gene editing therapies, including liver-directed ones, offering a technologically different alternative.

    • CRISPR TherapeuticsCRSP

      A company developing CRISPR therapies, representing the double-strand-break approach that Prime Editing considers less precise.

    • Vertex PharmaceuticalsVRTX

      A company with a strong presence in cystic fibrosis that may compete in the same therapeutic area through existing or developing treatments.

    News & filings

    In the press

    No news in our archive over the last 180 days.

    SEC filings

    Sources

    1. [1] Form 10-K, fiscal year ended 2025-12-31 · SEC / Prime Medicine, Inc. · 03 Mar 2026
    2. [2] Form 8-K, results release (exhibit 99.1) · SEC / Prime Medicine, Inc. · 06 Aug 2026

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

    Prime Medicine, Inc. (PRME): stock, results, valuation and forecast · olivLaw