Purchases and Sales Made in Q2 2025 in Alnylam Pharmaceuticals, Inc. (ALNY)
This table provides information about the institutional ownership of Alnylam Pharmaceuticals, Inc. (ALNY) during Q2 2025. The information is specifically focused on institutions that hold shares of ALNYLAM PHARMACEUTICALS, INC..
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Aug 14, 2025
Q2 2025
|
Driehaus Capital Management LLC
Chicago, IL |
BUY
|
- |
22.6K+ 39.54% |
$5.07M - $7.37M
|
79.7K
$34.3M
|
|
|
Aug 11, 2025
Q2 2025
|
Symphony Financial, Ltd. Co.
|
BUY
|
- |
22.5KNew |
$5.05M - $7.34M
|
22.5K
$9.68M
|
|
|
Aug 14, 2025
Q2 2025
|
Alliancebernstein L.P.
New York, NY |
BUY
|
- |
22.3K+ 49.72% |
$5M - $7.27M
|
67.1K
$28.9M
|
|
|
Aug 14, 2025
Q2 2025
|
Wells Fargo & Company
San Francisco, CA |
BUY
|
- |
21.7K+ 7.25% |
$4.88M - $7.09M
|
322K
$138M
|
|
|
Jul 31, 2025
Q2 2025
|
Kornitzer Capital Management Inc
|
BUY
|
- |
21.2K+ 1058.2% |
$4.75M - $6.9M
|
23.2K
$9.96M
|
|
|
Aug 14, 2025
Q2 2025
|
Ilmarinen Mutual Pension Insurance CO
Helsinki, H9 |
BUY
|
- |
21KNew |
$4.71M - $6.85M
|
21K
$9.03M
|
|
|
Aug 12, 2025
Q2 2025
|
Trexquant Investment LP
Stamford, CT |
BUY
|
- |
20.5KNew |
$4.61M - $6.7M
|
20.5K
$8.83M
|
|
|
Aug 13, 2025
Q2 2025
|
Hsbc Holdings PLC
London, X0 |
BUY
|
- |
20.5K+ 33.43% |
$4.59M - $6.68M
|
81.7K
$35.1M
|
|
|
Aug 12, 2025
Q2 2025
|
Rhumbline Advisers
Boston, MA |
BUY
|
- |
19K+ 10.48% |
$4.27M - $6.2M
|
200K
$86.2M
|
|
|
Aug 14, 2025
Q2 2025
|
First Turn Management, LLC
Del Mar, CA |
BUY
|
- |
17.9KNew |
$4.01M - $5.83M
|
17.9K
$7.69M
|
|
|
Aug 12, 2025
Q2 2025
|
Charles Schwab Investment Management Inc
San Francisco, CA |
BUY
|
- |
17.1K+ 3.09% |
$3.85M - $5.59M
|
572K
$246M
|
|
|
Aug 14, 2025
Q2 2025
|
Oddo Bhf Asset Management Sas
Paris, I0 |
BUY
|
- |
16.1K+ 81.32% |
$3.62M - $5.26M
|
35.9K
$15.5M
|
|
|
Aug 08, 2025
Q2 2025
|
Principal Financial Group Inc
Des Moines, IA |
BUY
|
- |
15.8K+ 45.63% |
$3.55M - $5.16M
|
50.5K
$21.7M
|
|
|
Aug 05, 2025
Q2 2025
|
Bnp Paribas Asset Management Holding S.A.
|
BUY
|
- |
15.6K+ 98.33% |
$3.49M - $5.08M
|
31.4K
$13.5M
|
|
|
Aug 14, 2025
Q2 2025
|
Hudson Bay Capital Management LP
Greenwich, CT |
BUY
|
- |
15.3KNew |
$3.44M - $5M
|
15.3K
$6.6M
|
|
|
Aug 05, 2025
Q2 2025
|
Mirae Asset Securities (Usa) Inc.
New York, NY |
BUY
|
- |
13KNew |
$2.92M - $4.25M
|
13K
$5.6M
|
|
|
Aug 07, 2025
Q2 2025
|
Readystate Asset Management LP
Chicago, IL |
BUY
|
- |
11.6KNew |
$2.6M - $3.78M
|
11.6K
$4.99M
|
|
|
Jul 11, 2025
Q2 2025
|
Assenagon Asset Management S.A.
|
BUY
|
- |
11.3K+ 176.13% |
$2.53M - $3.68M
|
17.7K
$7.6M
|
|
|
Aug 14, 2025
Q2 2025
|
Polymer Capital Management (Hk) LTD
Hong Kong, K3 |
BUY
|
- |
11.1K+ 62.15% |
$2.48M - $3.61M
|
28.9K
$12.4M
|
|
|
Aug 08, 2025
Q2 2025
|
Fiera Capital Corp
Montreal, A8 |
BUY
|
- |
10.5K+ 61.18% |
$2.36M - $3.43M
|
27.7K
$11.9M
|
|
|
Aug 14, 2025
Q2 2025
|
Jain Global LLC
New York, NY |
BUY
|
- |
10.5K+ 168.93% |
$2.36M - $3.43M
|
16.7K
$7.19M
|
|
|
Aug 13, 2025
Q2 2025
|
Natixis Advisors, L.P.
Boston, MA |
BUY
|
- |
10.1KNew |
$2.27M - $3.3M
|
10.1K
$4.35M
|
|
|
Aug 13, 2025
Q2 2025
|
California Public Employees Retirement System
Sacramento, CA |
BUY
|
- |
10.1K+ 5.01% |
$2.27M - $3.29M
|
212K
$91M
|
|
|
Aug 12, 2025
Q2 2025
|
Lpl Financial LLC
Fort Mill, SC |
BUY
|
- |
9.66K+ 46.71% |
$2.17M - $3.15M
|
30.3K
$13M
|
|
|
Aug 14, 2025
Q2 2025
|
Polar Asset Management Partners Inc.
Toronto, A6 |
BUY
|
- |
9.6KNew |
$2.15M - $3.13M
|
9.6K
$4.13M
|
|
|
Aug 12, 2025
Q2 2025
|
Employees Retirement System Of Texas
|
BUY
|
- |
9.47KNew |
$2.13M - $3.09M
|
9.47K
$4.07M
|
|
|
Aug 14, 2025
Q2 2025
|
Boothbay Fund Management, LLC
New York, NY |
BUY
|
- |
9.12K+ 90.42% |
$2.05M - $2.97M
|
19.2K
$8.26M
|
|
|
Jul 16, 2025
Q2 2025
|
St Germain D J CO Inc
Springfield, MA |
BUY
|
- |
8.99KNew |
$2.02M - $2.93M
|
8.99K
$3.87M
|
|
|
Aug 11, 2025
Q2 2025
|
Raiffeisen Bank International Ag
Vienna, C4 |
BUY
|
- |
8.9KNew |
$2M - $2.9M
|
8.9K
$3.83M
|
|
|
Jul 18, 2025
Q2 2025
|
La Banque Postale Asset Management Sa
Paris, I0 |
BUY
|
- |
8.32KNew |
$1.87M - $2.71M
|
8.32K
$3.58M
|
|
|
Aug 13, 2025
Q2 2025
|
Groupama Asset Managment
Paris, I0 |
BUY
|
- |
8.25K+ 0.54% |
$1.85M - $2.69M
|
1.55M
$666M
|
|
|
Aug 14, 2025
Q2 2025
|
Investment Management Corp Of Ontario
Toronto, Z4 |
BUY
|
- |
8.24K+ 35.42% |
$1.85M - $2.69M
|
31.5K
$13.6M
|
|
|
Aug 14, 2025
Q2 2025
|
Great West Life Assurance CO
Winnipeg, A2 |
BUY
|
- |
7.33K+ 8.74% |
$1.64M - $2.39M
|
91.2K
$39.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Engineers Gate Manager LP
New York, NY |
BUY
|
- |
7.24K+ 28.51% |
$1.62M - $2.36M
|
32.6K
$14M
|
|
|
Aug 13, 2025
Q2 2025
|
Capital International Sarl
Los Angeles, CA |
BUY
|
- |
7.13K+ 5.88% |
$1.6M - $2.32M
|
128K
$55.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Quantinno Capital Management LP
New York, NY |
BUY
|
- |
7.03K+ 109.33% |
$1.58M - $2.29M
|
13.5K
$5.79M
|
|
|
Aug 07, 2025
Q2 2025
|
Aviva PLC
|
BUY
|
- |
7.01K+ 7.79% |
$1.57M - $2.29M
|
97.1K
$41.7M
|
|
|
Aug 14, 2025
Q2 2025
|
Stifel Financial Corp
St. Louis, MO |
BUY
|
- |
6.63K+ 93.69% |
$1.49M - $2.16M
|
13.7K
$5.89M
|
|
|
Jul 25, 2025
Q2 2025
|
Sivik Global Healthcare LLC
Greenwich, CT |
BUY
|
- |
6.5KNew |
$1.46M - $2.12M
|
6.5K
$2.79M
|
|
|
Aug 14, 2025
Q2 2025
|
Erste Asset Management Gmb H
Vienna, C4 |
BUY
|
- |
6.5K+ 27.89% |
$1.46M - $2.12M
|
29.8K
$12.8M
|
|
|
Aug 13, 2025
Q2 2025
|
Thematics Asset Management
Paris, I0 |
BUY
|
- |
6.12KNew |
$1.37M - $2M
|
6.12K
$2.63M
|
|
|
Aug 07, 2025
Q2 2025
|
Mitsubishi Ufj Kokusai Asset Management Co., Ltd.
|
BUY
|
- |
5.91K+ 5.58% |
$1.32M - $1.93M
|
112K
$48.1M
|
|
|
Jul 23, 2025
Q2 2025
|
Klp Kapitalforvaltning As
Oslo, Q8 |
BUY
|
- |
5.4K+ 12.36% |
$1.21M - $1.76M
|
49.1K
$21.1M
|
|
|
Aug 13, 2025
Q2 2025
|
Korea Investment Corp
Seoul, M5 |
BUY
|
- |
5.1K+ 4.82% |
$1.14M - $1.66M
|
111K
$47.7M
|
|
|
Aug 14, 2025
Q2 2025
|
Susquehanna Portfolio Strategies, LLC
Bala Cynwyd, PA |
BUY
|
- |
5.01KNew |
$1.12M - $1.63M
|
5.01K
$2.15M
|
|
|
Aug 14, 2025
Q2 2025
|
Integral Health Asset Management, LLC
|
BUY
|
- |
5K+ 10.0% |
$1.12M - $1.63M
|
55K
$23.6M
|
|
|
Aug 14, 2025
Q2 2025
|
State Of Wisconsin Investment Board
Madison, WI |
BUY
|
- |
4.95K+ 6.77% |
$1.11M - $1.61M
|
78.1K
$33.6M
|
|
|
Aug 14, 2025
Q2 2025
|
Mml Investors Services, LLC
Springfield, MA |
BUY
|
- |
4.91K+ 37.99% |
$1.1M - $1.6M
|
17.8K
$7.67M
|
|
|
Aug 13, 2025
Q2 2025
|
Capital International, Inc.
Los Angeles, CA |
BUY
|
- |
4.87K+ 7.27% |
$1.09M - $1.59M
|
71.8K
$30.9M
|
|
|
Aug 06, 2025
Q2 2025
|
Resona Asset Management Co.,Ltd.
Koto Ku,Tokyo, M0 |
BUY
|
- |
4.78K+ 12.28% |
$1.07M - $1.56M
|
43.7K
$18.8M
|