Prime Medicine, Inc. (PRME) fair value: what the stock is really worth
As of Oct 2, 2026: fair value of Prime Medicine, Inc. $0.45, price $2.98, upside -84.9%, quality 28 out of 100. Calculated from audited financials with 26 valuation models and 37 quality factors, updated daily.
- Fair value above price? No
- Good quality? No
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Prime Medicine, Inc.
PRME · USWeakest SetupStrongly overvalued and low quality.
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Price vs Fair Value
White line = price, green steps = our fair value per fiscal year, dashed = 300-day average. As of Sep 24, 2026.
How to read this chart
47‑month range $1.15 – $21.12 · fair‑value band $0.3300 – $0.6700 · the $2.98 price screens above the $0.4500 fair value. Dashed = 300-day average. As of Sep 24, 2026.
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Company profile
Prime Medicine, Inc., a biotechnology company, engages in delivering genetic medicines to address the spectrum of diseases by deploying gene editing technology in the United States.
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Prime Medicine, Inc., a biotechnology company, engages in delivering genetic medicines to address the spectrum of diseases by deploying gene editing technology in the United States. Its lead therapeutic product candidate is PM359 for Chronic Granulomatous Disease, which is in Phase 1/2 clinical trial; PM577 for Wilson Disease, that is in preclinical studies; and PM647 to treat genetic disorder caused by mutations in the SERPINA1 gene, resulting in production of misfolded Z-AAT protein that accumulates in the liver and leads to hepatocellular injury, cirrhosis, and increased risk of hepatocellular carcinoma. The company also provides vivo programs targeting diseases of the liver, and Cystic Fibrosis programs. In addition, it offers Prime Editing technology comprising a programmable DNA binding domains, such as Cas domains, are typically modified such that they do not cause a double-stranded break in the DNA, as well as a RT domain that copies the edited DNA sequence directly into the target genomic site where the edit is made; and pegRNA which contains a search sequence, also known as a spacer, which provides a target genomic address for the Prime Editor. The company has a research collaboration and license agreement with BMS; Cystic Fibrosis Foundation; Broad Institute; and Beam. Prime Medicine, Inc. was incorporated in 2019 and is headquartered in Cambridge, Massachusetts.
Stock analysis
Prime Medicine, Inc. Common Stock (PRME) currently trades at $2.98, while our model-based Fair Value estimate is $0.4500, 84.9% below the price, so the stock looks overvalued today.
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Valuation
How firm this estimate is: it rests on 1 models at a data quality of 96/100, which puts the evidence level at low.
Scenario range: $0.3300 (bear) to $0.6700 (bull), the price of $2.98 sits above it. Bear and bull are the same models on cautious and optimistic assumptions, a range, not a price target.
Quality & growth
The Quality Score stands at 28/100 (below-average quality), in the Healthcare sector.
Weak Growth: Revenue growth is inconsistent: the periods point in different directions, so there is no trend to rely on.
Prime Medicine, Inc. Common Stock reported revenue of $4.6M in FY2025 versus $0 in FY2021. Reported net income was −$201M in FY2025.
Key figures
Market cap $528M · EPS (TTM) $−1.05 · Return on equity −373% · Return on assets (EBIT) −59.0% · Operating margin −3,751% · Revenue (TTM) $4.1M · Revenue growth (YoY) +3.5% · Free cash flow −$167M.
Competitive moat
Our AI-assisted moat analysis scores the competitive advantage at 25 out of 100 (medium confidence).
What moves the price
The share trades about 55% below its 52-week high and 10% above its 52-week low, currently below its 200-day average.
For context, the median of 10 Healthcare peers we cover trades at 10% fair-value upside, at −85%, PRME screens richer than that median.
Fair Value models
All 1 models by family
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Set up alert →Quality Score breakdown
Of which business quality 29 · Market factors (momentum, volatility) 8
Revenue & earnings trend
Compare Prime Medicine, Inc. Common Stock with another stock
Price, fair value, quality and upside side by side.
Peer GroupⓘHow this stock ranks against its industry: the green marker is this stock, the band is the typical 25–75% peer range, and the tick is the median.Biotechnology · 626 stocks
Valuation Multiplesvs Biotechnology median · lower = cheaper
Strength profile in five axes (Snowflake)
VALUE 0: the price sits above our fair-value range.
Context: sector, industry, market
- Is the Health Care sector expensive or cheap?
- P/E, EV/EBITDA and margins by industry (reference tables)
- Undervalued stocks: US Stocks
- Valuation of the USA market
Values & ESG
Does this company touch areas you may want to avoid? The classification is inferred from sector and industry.
Similar stocks
10 more Biotechnology stocks, each showing price versus our Fair Value estimate.
| Stock | Price | Fair Value | vs Fair Value |
|---|---|---|---|
| Vertex Pharmaceuticals Incorporated VRTX | $527.67 | $580.44 | +10% |
| Regeneron Pharmaceuticals, Inc REGN | $752.25 | $1,275 | +69% |
| argenx SE ARGX | $959.49 | $918.60 | −4% |
| CSL Limited CSL | A$175.35 | A$192.89 | +10% |
| Samsung Biologics Co 207940 | 1,354,000 KRW | 1,489,400 KRW | +10% |
| BeOne Medicines AG ONC | $360.85 | $280.94 | −22% |
| Alnylam Pharmaceuticals, Inc ALNY | $255.96 | $217.88 | −15% |
| Royalty Pharma plc RPRX | $58.21 | $19.01 | −67% |
| Celltrion, Inc 068270 | 177,400 KRW | 74,519 KRW | −58% |
| WuXi Biologics (Cayman) Inc 2269 | HK$53.00 | HK$58.30 | +10% |
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Frequently asked questions
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Key figures of Prime Medicine, Inc. Common Stock
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