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$164.80
+3.07%Market closedDelayed 15 minutes · Source: ViewTrade · 5 Nov 2026, 05:55 IST · A quote does not mean the product is available to trade on your account.
In brief
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Quotes run fifteen minutes behind.
Closed at $159.89 on 3 Nov 2026: 66.7% below the 52-week high of $479.79 (3 Dec 2025) and 2.5% above the low of $156.00 (2 Nov 2026).
Daily price bars, split-adjusted · as of 3 Nov 2026
1 month: −27.3% (SPY −2.6%). 3 months: −27.0% (SPY −2.2%). 1 year: −63.2% (SPY +10.4%). Price change to the 3 Nov 2026 close; dividends excluded.
Daily closes, split-adjusted: ALNY, SPY · as of 3 Nov 2026
6.6M shares were sold short at the 15 Oct 2026 settlement, 4.9% of the 133.9M shares outstanding; covering them would take 5.1 days of average volume. Short interest is reported twice a month, on a lag.
Exchange short-interest filing · as of 15 Oct 2026
The 3 Nov 2026 close of $159.89 was 31.5% below its 50-day average ($233.41) and 43.6% below its 200-day average ($283.48). It has closed below the 200-day for 205 sessions, since 12 Jan 2026. The 50-day average crossed below the 200-day on 11 Feb 2026, 183 sessions ago.
Daily closes, split-adjusted; 50- and 200-session simple averages · as of 3 Nov 2026
3 Nov 2026 volume of 3.8M shares was 1.9× the average of the 30 sessions before it (2.0M), as the price rose 1.2%. SPY traded 0.8× its own average that session.
Daily volume against a 30-session baseline · as of 3 Nov 2026
Price return, split-adjusted
At the 3 Nov 2026 close
Alnylam Pharmaceuticals is a leader in the study of RNA interference (RNAi) therapeutics. RNAi is a naturally occurring biological pathway within cells for sequence-specific silencing and regulation of gene expression. Alnylam's commercial RNAi therapeutic products include Onpattro and Amvuttra (for hATTR amyloidosis), Givlaari (for acute hepatic porphyria), and Oxlumo (for primary hyperoxaluria type 1), all developed and commercialized by Alnylam. Plus, Leqvio (for hypercholesterolemia) and Qfitlia (for hemophilia A or B), which are being commercialized by Alnylam's partners, Novartis and Sanofi, respectively. It also has several clinical programs across various therapeutic areas, including cardio-metabolic diseases, neuroscience, and hematology.
July 30, 2026
−28.31%June 24, 2024
+34.52%August 3, 2022
+49.33%