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 |
|---|---|---|---|---|---|
|
Deka Bank Deutsche Girozentrale
|
Nov 03, 2025 Q3 2025 |
113,193
shares
|
$50.8 Million
0.08% of portfolio
|
Q2 2025
Added 0.13%
|
|
|
Robeco Institutional Asset Management B.V.
|
Oct 22, 2025 Q3 2025 |
113,074
shares
|
$50.8 Million
0.08% of portfolio
|
Q3 2025
Added 17.34%
|
|
|
High Tower Advisors, LLC
Chicago, IL |
Nov 06, 2025 Q3 2025 |
110,624
shares
|
$49.7 Million
0.06% of portfolio
|
Q3 2025
Added 1.24%
|
|
|
Universal Beteiligungs Und Servicegesellschaft Mb H
Frankfurt Am Main, 2M |
Oct 30, 2025 Q3 2025 |
110,552
shares
|
$49.7 Million
0.09% of portfolio
|
Q3 2025
Reduced 3.33%
|
|
|
Allianz Asset Management Gmb H
Munich, 2M |
Nov 04, 2025 Q3 2025 |
106,816
shares
|
$48 Million
0.06% of portfolio
|
Q3 2025
Reduced 48.15%
|
|
|
Aviva PLC
|
Nov 13, 2025 Q3 2025 |
103,206
shares
|
$46.4 Million
0.09% of portfolio
|
Q3 2025
Added 6.33%
|
|
|
Eventide Asset Management, LLC
Boston, MA |
Nov 14, 2025 Q3 2025 |
101,739
shares
|
$45.7 Million
0.86% of portfolio
|
Q3 2025
Reduced 19.19%
|
|
|
Sei Investments CO
Oaks, PA |
Nov 13, 2025 Q3 2025 |
94,481
shares
|
$42.4 Million
0.05% of portfolio
|
Q3 2025
Reduced 69.39%
|
|
|
Barclays PLC
London, X0 |
Nov 12, 2025 Q3 2025 |
94,408
shares
|
$42.4 Million
0.01% of portfolio
|
Q3 2025
Added 0.37%
|
|
|
Great West Life Assurance CO
Winnipeg, A2 |
Nov 17, 2025 Q3 2025 |
93,092
shares
|
$41.8 Million
0.06% of portfolio
|
Q3 2025
Added 2.13%
|
|
|
Woodline Partners LP
San Francisco, CA |
Nov 14, 2025 Q3 2025 |
91,791
shares
|
$41.2 Million
0.21% of portfolio
|
Q3 2025
Reduced 85.27%
|
|
|
Nomura Asset Management CO LTD
Tokyo, M0 |
Nov 12, 2025 Q3 2025 |
89,869
shares
|
$40.4 Million
0.11% of portfolio
|
Q3 2025
Reduced 1.65%
|
|
|
Westfield Capital Management CO LP
Boston, MA |
Nov 10, 2025 Q3 2025 |
87,908
shares
|
$39.5 Million
0.18% of portfolio
|
Q3 2025
Reduced 54.26%
|
|
|
Parkman Healthcare Partners LLC
Stamford, CT |
Nov 14, 2025 Q3 2025 |
87,690
shares
|
$39.4 Million
5.0% of portfolio
|
Q3 2025
Reduced 5.03%
|
|
|
Aquatic Capital Management LLC
Chicago, IL |
Nov 14, 2025 Q3 2025 |
84,059
shares
|
$37.8 Million
0.75% of portfolio
|
Q3 2025
New holding
|
|
|
Assenagon Asset Management S.A.
|
Oct 07, 2025 Q3 2025 |
80,381
shares
|
$36.1 Million
0.06% of portfolio
|
Q3 2025
Added 354.49%
|
|
|
Skandinaviska Enskilda Banken Ab (Publ)
Stockholm, V7 |
Nov 07, 2025 Q3 2025 |
79,652
shares
|
$35.8 Million
0.15% of portfolio
|
Q3 2025
Reduced 6.17%
|
|
|
Capital International LTD
Los Angeles, CA |
Nov 13, 2025 Q3 2025 |
78,223
shares
|
$35.1 Million
1.35% of portfolio
|
Q3 2025
Reduced 5.53%
|
|
|
Jain Global LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
78,046
shares
|
$35.1 Million
0.18% of portfolio
|
Q3 2025
Added 366.5%
|
|
|
Mitsubishi Ufj Trust & Banking Corp
Tokyo, M0 |
Oct 31, 2025 Q3 2025 |
77,461
shares
|
$34.8 Million
0.08% of portfolio
|
Q3 2025
Reduced 9.65%
|
|
|
Capital International, Inc.
Los Angeles, CA |
Nov 13, 2025 Q3 2025 |
75,638
shares
|
$34 Million
0.29% of portfolio
|
Q3 2025
Added 5.3%
|
|
|
Rock Springs Capital Management LP
Baltimore, MD |
Nov 14, 2025 Q3 2025 |
74,250
shares
|
$33.4 Million
2.26% of portfolio
|
Q3 2025
Reduced 25.75%
|
|
|
Hsbc Holdings PLC
London, X0 |
Nov 13, 2025 Q3 2025 |
73,014
shares
|
$32.8 Million
0.02% of portfolio
|
Q3 2025
Reduced 10.68%
|
|
|
Man Group PLC
London, X0 |
Nov 14, 2025 Q3 2025 |
71,673
shares
|
$32.2 Million
0.06% of portfolio
|
Q3 2025
Added 783.87%
|
|
|
Asset Management One Co., Ltd.
|
Oct 22, 2025 Q3 2025 |
69,610
shares
|
$31.3 Million
0.09% of portfolio
|
Q3 2025
Added 0.43%
|
|