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 719 institutions that hold shares in the stock, with a total of 111 Million shares, which have been reported (via 13F filing form) to have a value of $35.9 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Adage Capital Partners Gp, L.L.C.
Boston, MA |
May 15, 2025 Q1 2025 |
282,184
shares
|
$91.6 Million
0.15% of portfolio
|
Q1 2025
Added 203.24%
|
|
|
Polar Capital Holdings PLC
London, X0 |
May 15, 2025 Q1 2025 |
280,000
shares
|
$90.9 Million
0.51% of portfolio
|
Q1 2025
Reduced 9.68%
|
|
|
Ubs Group Ag
|
May 13, 2025 Q1 2025 |
278,638
shares
|
$90.5 Million
0.01% of portfolio
|
Q1 2025
Reduced 3.91%
|
|
|
Sei Investments CO
Oaks, PA |
May 14, 2025 Q1 2025 |
277,369
shares
|
$90.1 Million
0.1% of portfolio
|
Q1 2025
Added 3.3%
|
|
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
May 15, 2025 Q1 2025 |
275,800
shares
|
$89.5 Million
0.17% of portfolio
|
Q1 2025
Added 250.0%
|
|
|
Allspring Global Investments Holdings, LLC
|
Apr 24, 2025 Q1 2025 |
270,924
shares
|
$88 Million
0.14% of portfolio
|
Q1 2025
New holding
|
|
|
Raymond James Financial Inc
St. Petersburg, FL |
May 13, 2025 Q1 2025 |
268,970
shares
|
$87.3 Million
0.03% of portfolio
|
Q1 2025
Reduced 3.07%
|
|
|
Marshall Wace, LLP
London, X0 |
May 15, 2025 Q1 2025 |
268,932
shares
|
$87.3 Million
0.1% of portfolio
|
Q1 2025
Reduced 28.98%
|
|
|
Federated Hermes, Inc.
Pittsburgh, PA |
May 08, 2025 Q1 2025 |
264,173
shares
|
$85.8 Million
0.16% of portfolio
|
Q1 2025
Added 5.84%
|
|
|
Candriam S.C.A.
|
May 14, 2025 Q1 2025 |
249,919
shares
|
$81.1 Million
0.43% of portfolio
|
Q1 2025
Reduced 11.5%
|
|
|
Allianz Asset Management Gmb H
Munich, 2M |
May 05, 2025 Q1 2025 |
218,503
shares
|
$70.9 Million
0.08% of portfolio
|
Q1 2025
Added 100.7%
|
|
|
Abrdn PLC
|
May 13, 2025 Q1 2025 |
215,385
shares
|
$69.9 Million
0.12% of portfolio
|
Q1 2025
Added 12.86%
|
|
|
Cibc Private Wealth Group, LLC
|
May 14, 2025 Q1 2025 |
205,511
shares
|
$66.7 Million
0.11% of portfolio
|
Q1 2025
Added 1.05%
|
|
|
California Public Employees Retirement System
Sacramento, CA |
May 13, 2025 Q1 2025 |
201,481
shares
|
$65.4 Million
0.04% of portfolio
|
Q1 2025
Reduced 1.3%
|
|
|
California State Teachers Retirement System
West Sacramento, CA |
May 15, 2025 Q1 2025 |
197,443
shares
|
$64.1 Million
0.07% of portfolio
|
Q1 2025
Added 0.55%
|
|
|
Two Sigma Investments, LP
New York, NY |
May 15, 2025 Q1 2025 |
197,415
shares
|
$64.1 Million
0.12% of portfolio
|
Q1 2025
Added 84.3%
|
|
|
Citigroup Inc
|
May 12, 2025 Q1 2025 |
194,734
shares
|
$63.2 Million
0.03% of portfolio
|
Q1 2025
Added 124.1%
|
|
|
Westfield Capital Management CO LP
Boston, MA |
May 09, 2025 Q1 2025 |
192,172
shares
|
$62.4 Million
0.27% of portfolio
|
Q1 2025
Reduced 11.08%
|
|
|
Worldquant Millennium Advisors LLC
New York, NY |
May 15, 2025 Q1 2025 |
191,105
shares
|
$62 Million
0.34% of portfolio
|
Q1 2025
Added 27.24%
|
|
|
Janus Henderson Group PLC
London, X0 |
May 15, 2025 Q1 2025 |
181,649
shares
|
$59 Million
0.03% of portfolio
|
Q1 2025
Reduced 13.53%
|
|
|
Rhumbline Advisers
Boston, MA |
May 29, 2025 Q1 2025 |
181,463
shares
|
$58.9 Million
0.05% of portfolio
|
Q4 2024
Reduced 1.04%
|
|
|
First Trust Advisors LP
Wheaton, IL |
May 14, 2025 Q1 2025 |
180,460
shares
|
$58.6 Million
0.05% of portfolio
|
Q1 2025
Reduced 44.95%
|
|
|
Sofinnova Investments, Inc.
Menlo Park, CA |
May 15, 2025 Q1 2025 |
176,181
shares
|
$57.2 Million
3.5% of portfolio
|
Q1 2025
Added 59.94%
|
|
|
National Pension Service
Jeonju Si, Jeollabuk Do, M5 |
May 12, 2025 Q1 2025 |
173,659
shares
|
$56.4 Million
0.05% of portfolio
|
Q1 2025
Added 8.87%
|
|
|
Prudential Financial Inc
Newark, NJ |
May 13, 2025 Q1 2025 |
172,006
shares
|
$55.8 Million
0.07% of portfolio
|
Q1 2025
Added 817.22%
|