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Alnylam Pharmaceuticalsvs.Vertex Pharmaceuticals

ALNY vs VRTX · both in Biotech & innovation, part of the Medicine, pharma & life science value chain: Innovation-driven biotech companies focused on novel treatment modalities.

Vertex Pharmaceuticals is about 4.2× larger than Alnylam Pharmaceuticals by market cap; Vertex Pharmaceuticals trades at the lower P/E (29.0 vs 37.2); year to date, Vertex Pharmaceuticals leads (+11.0% vs −43.5%).

Side by side

ALNYVRTX
Market cap$30B$128B
Price$232.68$510.08
Today+3.6%+1.4%
Return YTD−43.5%+11.0%
Return 1Y−50.2%+19.5%
Since June 26, 2026−20.1%+3.8%
P/E37.229.0
P/S6.310.1
P/B22.26.3

Data as of 2026-10-09 · updates daily after U.S. close

Since June 26, 2026: the change in the closing price, from the daily closes Sectivia records itself since that date.

The two companies

Alnylam PharmaceuticalsALNY

NASDAQ · USA

Turns RNA interference into drugs, mostly for rare and cardiovascular disease.

RNAi medicine
Full ALNY profile →

Vertex PharmaceuticalsVRTX

NASDAQ · USA

Cystic fibrosis medicines carry the business. The newer work sits in pain treatment and in cell and gene therapy, where Casgevy belongs.

BiotechRare diseasesGene therapy exposure
Full VRTX profile →

More ALNY & VRTX comparisons

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See where ALNY and VRTX sit in the full Medicine, pharma & life science map: every segment from suppliers to end markets.Open the Life science value chain →