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 |
|---|---|---|---|---|---|
|
Scs Capital Management LLC
Boston, MA |
May 19, 2025 Q1 2025 |
171,077
shares
|
$55.5 Million
0.59% of portfolio
|
Q1 2025
New holding
|
|
|
Eventide Asset Management, LLC
Boston, MA |
May 15, 2025 Q1 2025 |
166,450
shares
|
$54 Million
0.95% of portfolio
|
Q1 2025
Reduced 30.77%
|
|
|
Antipodes Partners LTD
Royal Exchange, C3 |
May 06, 2025 Q1 2025 |
159,554
shares
|
$51.8 Million
1.36% of portfolio
|
Q1 2025
Added 19.28%
|
|
|
Woodline Partners LP
San Francisco, CA |
May 15, 2025 Q1 2025 |
156,464
shares
|
$50.8 Million
0.29% of portfolio
|
Q1 2025
New holding
|
|
|
Jacobs Levy Equity Management, Inc
Florham Park, NJ |
May 15, 2025 Q1 2025 |
152,970
shares
|
$49.7 Million
0.17% of portfolio
|
Q1 2025
New holding
|
|
|
Deerfield Management Company, L.P. (Series C)
New York, NY |
May 15, 2025 Q1 2025 |
145,000
shares
|
$47.1 Million
0.99% of portfolio
|
Q1 2025
Reduced 0.13%
|
|
|
1832 Asset Management L.P.
Toronto, A6 |
May 14, 2025 Q1 2025 |
144,045
shares
|
$46.8 Million
0.08% of portfolio
|
Q1 2025
New holding
|
|
|
Rock Springs Capital Management LP
Baltimore, MD |
May 15, 2025 Q1 2025 |
143,250
shares
|
$46.5 Million
2.31% of portfolio
|
Q1 2025
Reduced 44.09%
|
|
|
Tekla Capital Management LLC
|
Aug 10, 2023 Q2 2023 |
143,214
shares
|
$46.5 Million
1.08% of portfolio
|
Q3 2022
Added 11.53%
|
|
|
Sg Americas Securities, LLC
|
Apr 15, 2025 Q1 2025 |
132,960
shares
|
$43.2 Million
0.12% of portfolio
|
Q1 2025
Added 7876.0%
|
|
|
Credit Suisse Ag
Zurich, V8 |
May 10, 2024 Q1 2024 |
129,346
shares
|
$42 Million
0.02% of portfolio
|
Q1 2024
Reduced 26.5%
|
|
|
Russell Investments Group, Ltd.
|
May 13, 2025 Q1 2025 |
129,196
shares
|
$41.9 Million
0.05% of portfolio
|
Q1 2025
Added 76.59%
|
|
|
State Board Of Administration Of Florida Retirement System
|
May 12, 2025 Q1 2025 |
125,240
shares
|
$40.7 Million
0.07% of portfolio
|
Q4 2024
Reduced 3.23%
|
|
|
Capital International Sarl
Los Angeles, CA |
May 12, 2025 Q1 2025 |
121,160
shares
|
$39.3 Million
0.78% of portfolio
|
Q1 2025
Added 5.23%
|
|
|
Casdin Capital, LLC
New York, NY |
May 15, 2025 Q1 2025 |
120,000
shares
|
$39 Million
3.79% of portfolio
|
Q1 2025
Reduced 14.29%
|
|
|
Fil LTD
Hamilton, D0 |
May 12, 2025 Q1 2025 |
117,862
shares
|
$38.3 Million
0.03% of portfolio
|
Q1 2025
Added 434.13%
|
|
|
Universal Beteiligungs Und Servicegesellschaft Mb H
Frankfurt Am Main, 2M |
May 06, 2025 Q1 2025 |
117,720
shares
|
$38.2 Million
0.07% of portfolio
|
Q1 2025
Reduced 5.34%
|
|
|
Handelsbanken Fonder Ab
|
Apr 15, 2025 Q1 2025 |
116,683
shares
|
$37.9 Million
0.13% of portfolio
|
Q1 2025
Added 114.7%
|
|
|
High Tower Advisors, LLC
Chicago, IL |
May 12, 2025 Q1 2025 |
113,857
shares
|
$37 Million
0.04% of portfolio
|
Q1 2025
Reduced 1.32%
|
|
|
Deka Bank Deutsche Girozentrale
|
Apr 30, 2025 Q1 2025 |
113,042
shares
|
$36.7 Million
0.06% of portfolio
|
Q1 2025
Reduced 0.13%
|
|
|
Mitsubishi Ufj Trust & Banking Corp
Tokyo, M0 |
May 09, 2025 Q1 2025 |
110,665
shares
|
$35.9 Million
0.08% of portfolio
|
Q1 2025
Reduced 5.16%
|
|
|
Ameriprise Financial Inc
Minneapolis, MN |
May 14, 2025 Q1 2025 |
109,136
shares
|
$35.4 Million
0.01% of portfolio
|
Q1 2025
Reduced 14.79%
|
|
|
Mitsubishi Ufj Kokusai Asset Management Co., Ltd.
|
May 12, 2025 Q1 2025 |
105,879
shares
|
$34.4 Million
0.03% of portfolio
|
Q1 2025
Added 11.81%
|
|
|
Korea Investment Corp
Seoul, M5 |
May 14, 2025 Q1 2025 |
105,759
shares
|
$34.3 Million
0.07% of portfolio
|
Q1 2025
Added 12.99%
|
|
|
Frontier Capital Management CO LLC
|
May 15, 2025 Q1 2025 |
102,420
shares
|
$33.3 Million
0.33% of portfolio
|
Q1 2025
Reduced 2.19%
|