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Alnylam Pharmaceuticals (ALNY) Stock Chart & Stock Price History

Alnylam Pharmaceuticals logo
$453.39 -5.53 (-1.21%)
As of 01:40 PM Eastern
This is a fair market value price provided by Polygon.io. Learn more.
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Alnylam Pharmaceuticals Stock Price Performance

The Alnylam Pharmaceuticals (ALNY) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 66.79%, with a year-to-date return of 92.68%. In the past month, the stock has decreased 0.22%, reflecting recent market activity.

As of the latest close, Alnylam Pharmaceuticals traded at $458.92 with a market cap of $60.15 billion and volume of 971,754 shares. Five years ago, the stock traded at $134.50, representing a 237.09% increase over that period. At the time, it had a market cap of $15.60 billion and a volume of 457,734 shares.

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5 Day
Performance
+0.27%
1 Month
Performance
-0.22%
3 Month
Performance
+44.79%
Year-To-Date
Performance
+92.68%
1 Year
Performance
+66.79%
5 Year
Performance
+237.09%

ALNY Stock Chart for Tuesday, September, 23, 2025

ALNY Chart by TradingView

Alnylam Pharmaceuticals Stock Price History

Export to Excel
DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
09/22/2025$453.56$458.92
+1.18%		$462.88$450.23971,754 shs$60.15 billion
09/19/2025$452.17$453.56
+0.31%		$457.68$450.721.71 million shs$59.45 billion
09/18/2025$451.73$452.17
+0.10%		$456.94$443.751.06 million shs$59.27 billion
09/17/2025$461.24$451.73
-2.06%		$463.88$450.701.45 million shs$59.21 billion
09/16/2025$461.14$461.24
+0.02%		$467.28$457.99773,322 shs$60.46 billion
09/15/2025$465.89$461.14
-1.02%		$466.24$454.51910,054 shs$60.45 billion
09/12/2025$468.58$465.89
-0.57%		$475.69$465.48630,774 shs$61.07 billion
09/11/2025$469.31$468.58
-0.16%		$474.34$465.161.01 million shs$61.42 billion
09/10/2025$482.13$469.31
-2.66%		$480.05$461.471.82 million shs$61.52 billion
09/09/2025$455.03$482.13
+5.96%		$484.21$455.303.22 million shs$59.64 billion
09/08/2025$452.00$455.03
+0.67%		$463.00$452.85925,938 shs$59.65 billion
09/05/2025$453.54$452.00
-0.34%		$455.28$444.66751,495 shs$59.25 billion
09/04/2025$447.43$453.54
+1.37%		$458.30$447.11714,264 shs$59.45 billion
09/03/2025$447.00$447.43
+0.10%		$456.18$442.731.30 million shs$58.65 billion
09/02/2025$446.51$447.00
+0.11%		$454.50$441.501.07 million shs$58.59 billion
09/01/2025$446.51$446.51$453.96$444.79827,614 shs$58.53 billion
08/29/2025$452.33$446.51
-1.29%		$453.96$444.79827,614 shs$58.53 billion
08/28/2025$454.18$452.33
-0.41%		$457.29$451.12641,005 shs$59.29 billion
08/27/2025$451.20$454.18
+0.66%		$455.45$447.63906,724 shs$59.53 billion
08/26/2025$443.64$451.20
+1.70%		$451.50$444.251.18 million shs$59.14 billion
08/25/2025$454.38$443.64
-2.36%		$458.75$442.381.20 million shs$58.15 billion
08/22/2025$467.55$454.38
-2.82%		$469.81$454.201.08 million shs$59.56 billion
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This page (NASDAQ:ALNY) was last updated on 9/23/2025 by MarketBeat.com Staff
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