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 916 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 |
|---|---|---|---|---|---|
|
California State Teachers Retirement System
West Sacramento, CA |
Nov 14, 2025 Q3 2025 |
203,778
shares
|
$91.5 Million
0.1% of portfolio
|
Q3 2025
Added 2.24%
|
|
|
D. E. Shaw & Co., Inc.
New York, NY |
Nov 14, 2025 Q3 2025 |
199,417
shares
|
$89.6 Million
0.06% of portfolio
|
Q3 2025
Added 84.17%
|
|
|
Korea Investment Corp
Seoul, M5 |
Nov 13, 2025 Q3 2025 |
196,912
shares
|
$88.4 Million
0.19% of portfolio
|
Q3 2025
Added 77.63%
|
|
|
Rhumbline Advisers
Boston, MA |
Nov 06, 2025 Q3 2025 |
196,497
shares
|
$88.3 Million
0.07% of portfolio
|
Q3 2025
Reduced 1.99%
|
|
|
Russell Investments Group, Ltd.
|
Nov 13, 2025 Q3 2025 |
195,916
shares
|
$88 Million
0.11% of portfolio
|
Q3 2025
Added 109.68%
|
|
|
Kbc Group Nv
|
Aug 08, 2025 Q2 2025 |
193,550
shares
|
$86.9 Million
0.17% of portfolio
|
Q2 2025
Added 902.23%
|
|
|
Victory Capital Management Inc
|
Nov 12, 2025 Q3 2025 |
180,349
shares
|
$81 Million
0.05% of portfolio
|
Q3 2025
Added 15.39%
|
|
|
National Pension Service
Jeonju Si, Jeollabuk Do, M5 |
Nov 03, 2025 Q3 2025 |
177,238
shares
|
$79.6 Million
0.06% of portfolio
|
Q3 2025
Added 1.25%
|
|
|
Los Angeles Capital Management LLC
|
Oct 20, 2025 Q3 2025 |
159,394
shares
|
$71.6 Million
0.25% of portfolio
|
Q3 2025
Added 136.49%
|
|
|
Abrdn PLC
|
Nov 06, 2025 Q3 2025 |
157,396
shares
|
$70.7 Million
0.12% of portfolio
|
Q3 2025
Reduced 28.01%
|
|
|
Handelsbanken Fonder Ab
|
Nov 12, 2025 Q3 2025 |
155,369
shares
|
$69.8 Million
0.23% of portfolio
|
Q3 2025
Added 33.15%
|
|
|
Scs Capital Management LLC
Boston, MA |
Nov 13, 2025 Q3 2025 |
150,668
shares
|
$67.7 Million
0.75% of portfolio
|
Q3 2025
Reduced 11.72%
|
|
|
Squarepoint Ops LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
145,565
shares
|
$65.4 Million
0.07% of portfolio
|
Q3 2025
Added 5851.14%
|
|
|
Tekla Capital Management LLC
|
Aug 10, 2023 Q2 2023 |
143,214
shares
|
$64.3 Million
1.08% of portfolio
|
Q3 2022
Added 11.53%
|
|
|
Canada Pension Plan Investment Board
Toronto Ontario, A6 |
Nov 13, 2025 Q3 2025 |
136,331
shares
|
$61.2 Million
0.05% of portfolio
|
Q3 2025
Added 283.81%
|
|
|
Janus Henderson Group PLC
London, X0 |
Nov 14, 2025 Q3 2025 |
135,855
shares
|
$61 Million
0.03% of portfolio
|
Q3 2025
Reduced 9.68%
|
|
|
Fil LTD
Hamilton, D0 |
Nov 13, 2025 Q3 2025 |
135,484
shares
|
$60.9 Million
0.05% of portfolio
|
Q3 2025
Reduced 8.42%
|
|
|
Neuberger Berman Group LLC
New York, NY |
Nov 12, 2025 Q3 2025 |
130,544
shares
|
$58.6 Million
0.05% of portfolio
|
Q3 2025
Added 31.8%
|
|
|
Capital International Sarl
Los Angeles, CA |
Nov 13, 2025 Q3 2025 |
129,702
shares
|
$58.3 Million
1.08% of portfolio
|
Q3 2025
Added 1.1%
|
|
|
Credit Suisse Ag
Zurich, V8 |
May 10, 2024 Q1 2024 |
129,346
shares
|
$58.1 Million
0.02% of portfolio
|
Q1 2024
Reduced 26.5%
|
|
|
Mitsubishi Ufj Kokusai Asset Management Co., Ltd.
|
Nov 10, 2025 Q3 2025 |
120,787
shares
|
$54.3 Million
0.04% of portfolio
|
Q3 2025
Added 8.05%
|
|
|
Envestnet Asset Management Inc
|
Nov 04, 2025 Q3 2025 |
118,964
shares
|
$53.4 Million
0.02% of portfolio
|
Q3 2025
Added 24.18%
|
|
|
Frontier Capital Management CO LLC
|
Nov 14, 2025 Q3 2025 |
118,878
shares
|
$53.4 Million
0.54% of portfolio
|
Q3 2025
Added 15.41%
|
|
|
Congress Asset Management CO
|
Oct 10, 2025 Q3 2025 |
118,800
shares
|
$53.4 Million
0.38% of portfolio
|
Q3 2025
New holding
|
|
|
State Board Of Administration Of Florida Retirement System
|
Nov 14, 2025 Q3 2025 |
117,226
shares
|
$52.7 Million
0.1% of portfolio
|
Q3 2025
Reduced 7.73%
|
|