Institutional Ownership Alnylam Pharmaceuticals, Inc. (ALNY)
This table provides information about the institutional ownership of Alnylam Pharmaceuticals, Inc. (ALNY). We have compiled data on the 917 institutions that hold shares in the stock, with a total of 117 Million shares, which have been reported (via 13F filing form) to have a value of $52.6 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Voya Investment Management LLC
Atlanta, GA |
Oct 09, 2025 Q3 2025 |
373,356
shares
|
$168 Million
0.21% of portfolio
|
Q3 2025
Added 76.91%
|
|
|
Voloridge Investment Management, LLC
Jupiter, FL |
Nov 14, 2025 Q3 2025 |
356,806
shares
|
$160 Million
0.59% of portfolio
|
Q3 2025
Added 4532.64%
|
|
|
Massachusetts Financial Services CO
Boston, MA |
Oct 29, 2025 Q3 2025 |
356,529
shares
|
$160 Million
0.05% of portfolio
|
Q3 2025
New holding
|
|
|
Gilder Gagnon Howe & CO LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
329,321
shares
|
$148 Million
1.79% of portfolio
|
Q3 2025
Reduced 2.3%
|
|
|
Sumitomo Mitsui Trust Holdings, Inc.
|
Oct 27, 2025 Q3 2025 |
314,452
shares
|
$141 Million
0.09% of portfolio
|
Q3 2025
Added 7.12%
|
|
|
Td Asset Management Inc
|
Nov 10, 2025 Q3 2025 |
312,517
shares
|
$140 Million
0.12% of portfolio
|
Q3 2025
Reduced 29.16%
|
|
|
Allspring Global Investments Holdings, LLC
|
Oct 20, 2025 Q3 2025 |
310,804
shares
|
$140 Million
0.25% of portfolio
|
Q3 2025
Reduced 0.45%
|
|
|
Eagle Asset Management Inc
St Petersburg, FL |
Nov 12, 2024 Q3 2024 |
309,589
shares
|
$139 Million
0.51% of portfolio
|
Q3 2024
Added 25.74%
|
|
|
Eaton Vance Management
Boston, MA |
Nov 14, 2022 Q3 2022 |
307,288
shares
|
$138 Million
0.09% of portfolio
|
Q3 2022
Added 0.18%
|
|
|
Jennison Associates LLC
|
Oct 30, 2025 Q3 2025 |
304,863
shares
|
$137 Million
0.08% of portfolio
|
Q3 2025
Reduced 12.91%
|
|
|
Orbimed Advisors LLC
San Diego, CA |
Nov 14, 2025 Q3 2025 |
301,600
shares
|
$135 Million
4.69% of portfolio
|
Q3 2025
Reduced 11.79%
|
|
|
Hrt Financial LP
New York, NY |
Nov 14, 2025 Q3 2025 |
291,449
shares
|
$131 Million
0.64% of portfolio
|
Q3 2025
Added 1529.39%
|
|
|
Susquehanna Advisors Group, Inc.
Bala Cynwyd, PA |
Nov 14, 2025 Q3 2025 |
286,100
shares
|
$129 Million
2.0% of portfolio
|
Q3 2025
New holding
|
|
|
Wells Fargo & Company
San Francisco, CA |
Nov 13, 2025 Q3 2025 |
280,568
shares
|
$126 Million
0.03% of portfolio
|
Q3 2025
Reduced 12.82%
|
|
|
Royal London Asset Management LTD
United Kingdom, X0 |
Nov 13, 2025 Q3 2025 |
257,313
shares
|
$116 Million
0.26% of portfolio
|
Q3 2025
Reduced 0.68%
|
|
|
Polar Capital Holdings PLC
London, X0 |
Nov 14, 2025 Q3 2025 |
251,460
shares
|
$113 Million
0.62% of portfolio
|
Q3 2025
Added 5.88%
|
|
|
Dimensional Fund Advisors LP
Austin, TX |
Nov 12, 2025 Q3 2025 |
241,934
shares
|
$109 Million
0.02% of portfolio
|
Q3 2025
Reduced 20.82%
|
|
|
California Public Employees Retirement System
Sacramento, CA |
Nov 14, 2025 Q3 2025 |
229,641
shares
|
$103 Million
0.07% of portfolio
|
Q3 2025
Added 8.54%
|
|
|
Ameriprise Financial Inc
Minneapolis, MN |
Nov 14, 2025 Q3 2025 |
225,879
shares
|
$101 Million
0.02% of portfolio
|
Q3 2025
Added 16.64%
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
Nov 14, 2025 Q3 2025 |
221,843
shares
|
$99.6 Million
0.02% of portfolio
|
Q3 2025
Reduced 63.1%
|
|
|
Worldquant Millennium Advisors LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
220,634
shares
|
$99.1 Million
0.45% of portfolio
|
Q3 2025
Added 87.98%
|
|
|
Cibc Bancorp Usa Inc.
Chicago, IL |
Nov 12, 2025 Q3 2025 |
219,582
shares
|
$98.6 Million
0.12% of portfolio
|
Q3 2025
Reduced 97.87%
|
|
|
Cibc Private Wealth Group, LLC
|
Nov 21, 2025 Q3 2025 |
214,213
shares
|
$96.2 Million
0.17% of portfolio
|
Q3 2025
Added 4.23%
|
|
|
Candriam S.C.A.
|
Nov 05, 2025 Q3 2025 |
212,416
shares
|
$95.4 Million
0.53% of portfolio
|
Q3 2025
Reduced 10.78%
|
|
|
First Trust Advisors LP
Wheaton, IL |
Nov 12, 2025 Q3 2025 |
210,383
shares
|
$94.5 Million
0.08% of portfolio
|
Q3 2025
Reduced 16.45%
|
|