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Alnylam Pharmaceuticals Inc
ALNYAdd to Watchlist
205.420USD
-81.200-28.33%
Close 07-29 16:00（ET）Quotes delayed by 15 min
27.19BMarket Cap
50.28P/E TTM
Shareholding Stats
Updated: Sun, May 10
Updated: Sun, May 10
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
Capital World Investors
12.21%
Fidelity Management & Research Company LLC
11.30%
BlackRock Institutional Trust Company, N.A.
5.27%
Capital Research Global Investors
5.08%
Vanguard Portfolio Management, LLC
4.86%
Other
61.28%
Shareholders
Shareholders
Proportion
Capital World Investors
12.21%
Fidelity Management & Research Company LLC
11.30%
BlackRock Institutional Trust Company, N.A.
5.27%
Capital Research Global Investors
5.08%
Vanguard Portfolio Management, LLC
4.86%
Other
61.28%
Shareholder Types
Shareholders
Proportion
Investment Advisor
66.80%
Investment Advisor/Hedge Fund
22.94%
Hedge Fund
3.64%
Sovereign Wealth Fund
1.83%
Research Firm
1.78%
Pension Fund
1.47%
Bank and Trust
1.46%
Private Equity
0.22%
Individual Investor
0.17%
Institutional Shareholding
Updated: Sun, Apr 5
Updated: Sun, Apr 5
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2026Q1
1634
133.66M
100.11%
-6.05M
2025Q4
1441
132.38M
102.07%
-8.88K
2025Q3
1468
132.43M
102.39%
+2.53M
2025Q2
1335
129.81M
101.55%
+2.82M
2025Q1
1292
127.17M
99.72%
-2.77M
2024Q4
1248
125.34M
101.87%
-989.05K
2024Q3
1210
126.51M
99.20%
+3.13M
2024Q2
1165
122.70M
94.98%
+5.27M
2024Q1
1152
117.38M
97.56%
-6.00M
2023Q4
1149
120.10M
100.10%
-712.55K
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
Capital World Investors
16.30M
12.29%
-132.48K
-0.81%
Dec 31, 2025
Fidelity Management & Research Company LLC
15.08M
11.37%
-821.92K
-5.17%
Dec 31, 2025
BlackRock Institutional Trust Company, N.A.
7.04M
5.31%
+453.92K
+6.89%
Dec 31, 2025
Capital Research Global Investors
6.78M
5.11%
-443.13K
-6.14%
Dec 31, 2025
JP Morgan Asset Management
4.00M
3.01%
+130.78K
+3.38%
Dec 31, 2025
State Street Investment Management (US)
3.23M
2.43%
+147.48K
+4.79%
Dec 31, 2025
Invesco Capital Management (QQQ Trust)
2.81M
2.12%
-68.68K
-2.39%
Feb 28, 2026
Geode Capital Management, L.L.C.
2.65M
2%
+151.48K
+6.06%
Dec 31, 2025
View more
Related ETFs
Updated: Tue, Dec 2
Updated: Tue, Dec 2
Name
Proportion
Global X Genomics & Biotechnology ETF
6.48%
ProShares Ultra Nasdaq Biotechnology
5.81%
Invesco Nasdaq Biotechnology ETF
5.77%
Franklin Genomic Advancements ETF
5.35%
iShares Biotechnology ETF
5.07%
VanEck Biotech ETF
4.56%
American Century Focused Dynamic Growth ETF
3.76%
Goldman Sachs Future Health Care Equity ETF
3.42%
First Trust NYSE Arca Biotechnology Index Fund
3.33%
Invesco NASDAQ Next Gen 100 ETF
3.28%
View more
Global X Genomics & Biotechnology ETF
Proportion6.48%
ProShares Ultra Nasdaq Biotechnology
Proportion5.81%
Invesco Nasdaq Biotechnology ETF
Proportion5.77%
Franklin Genomic Advancements ETF
Proportion5.35%
iShares Biotechnology ETF
Proportion5.07%
VanEck Biotech ETF
Proportion4.56%
American Century Focused Dynamic Growth ETF
Proportion3.76%
Goldman Sachs Future Health Care Equity ETF
Proportion3.42%
First Trust NYSE Arca Biotechnology Index Fund
Proportion3.33%
Invesco NASDAQ Next Gen 100 ETF
Proportion3.28%