Latest Institutional Purchases of Alnylam Pharmaceuticals, Inc. (ALNY)
This list provides information on the latest institutional transactions involving Alnylam Pharmaceuticals, Inc. (ALNY) stock that were buys. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the purchase has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Nov 10, 2025
Q3 2025
|
Charles Schwab Investment Management Inc
San Francisco, CA |
BUY
|
- |
47K+ 8.22% |
$14.6M - $22.7M
|
619K
$278M
|
|
|
Nov 12, 2025
Q3 2025
|
Handelsbanken Fonder Ab
|
BUY
|
- |
38.7K+ 33.15% |
$12M - $18.7M
|
155K
$69.8M
|
|
|
Nov 04, 2025
Q3 2025
|
Bronte Capital Management Pty Ltd.
|
BUY
|
- |
35KNew |
$10.9M - $16.9M
|
35K
$15.7M
|
|
|
Nov 13, 2025
Q3 2025
|
Ray Dalio
Bridgewater Associates, LP | Westport, Ct
|
BUY
|
- |
33.9KNew |
$10.6M - $16.3M
|
33.9K
$15.2M
|
|
|
Nov 14, 2025
Q3 2025
|
Voleon Capital Management LP
Berkeley, CA |
BUY
|
- |
32.6K+ 2404.79% |
$10.1M - $15.7M
|
34K
$15.3M
|
|
|
Nov 14, 2025
Q3 2025
|
Ameriprise Financial Inc
Minneapolis, MN |
BUY
|
- |
32.2K+ 16.64% |
$10M - $15.5M
|
226K
$101M
|
|
|
Oct 23, 2025
Q3 2025
|
Sg Americas Securities, LLC
|
BUY
|
- |
31.9KNew |
$9.91M - $15.4M
|
31.9K
$14.3M
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
PUT |
31.5K+ 80.15% |
$9.8M - $15.2M
|
70.8K
$31.8M
|
|
|
Nov 12, 2025
Q3 2025
|
Neuberger Berman Group LLC
New York, NY |
BUY
|
- |
31.5K+ 31.8% |
$9.8M - $15.2M
|
131K
$58.6M
|
|
|
Nov 13, 2025
Q3 2025
|
Capital Research Global Investors
Los Angeles, CA |
BUY
|
- |
31.2K+ 0.43% |
$9.7M - $15M
|
7.22M
$3.24B
|
|
|
Nov 14, 2025
Q3 2025
|
Exodus Point Capital Management, LP
New York, NY |
BUY
|
- |
30.8KNew |
$9.59M - $14.9M
|
30.8K
$13.8M
|
|
|
Nov 10, 2025
Q3 2025
|
Citigroup Inc
|
BUY
|
PUT |
30KNew |
$9.33M - $14.5M
|
30K
$13.5M
|
|
|
Oct 30, 2025
Q3 2025
|
Rakuten Investment Management, Inc.
Tokyo, M0 |
BUY
|
- |
27.6K+ 775.3% |
$8.58M - $13.3M
|
31.2K
$14M
|
|
|
Nov 14, 2025
Q3 2025
|
Nomura Holdings Inc
Tokyo, M0 |
BUY
|
PUT |
27KNew |
$8.4M - $13M
|
27K
$12.1M
|
|
|
Nov 07, 2025
Q3 2025
|
Fiera Capital Corp
Montreal, A8 |
BUY
|
- |
26.1K+ 93.94% |
$8.11M - $12.6M
|
53.8K
$24.2M
|
|
|
Nov 04, 2025
Q3 2025
|
Mediolanum International Funds LTD
Dublin 1, L2 |
BUY
|
- |
25.5KNew |
$7.92M - $12.3M
|
25.5K
$11.4M
|
|
|
Nov 12, 2025
Q3 2025
|
Victory Capital Management Inc
|
BUY
|
- |
24.1K+ 15.39% |
$7.48M - $11.6M
|
180K
$81M
|
|
|
Oct 15, 2025
Q3 2025
|
Cwm, LLC
|
BUY
|
- |
23.8K+ 431.33% |
$7.4M - $11.5M
|
29.3K
$13.2M
|
|
|
Nov 04, 2025
Q3 2025
|
Envestnet Asset Management Inc
|
BUY
|
- |
23.2K+ 24.18% |
$7.21M - $11.2M
|
119K
$53.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Amf Tjanstepension Ab
|
BUY
|
- |
22.6KNew |
$7.02M - $10.9M
|
22.6K
$10.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Steven Cohen
Point72 Asset Management, L.P. | Stamford, Ct
|
BUY
|
PUT |
22.5KNew |
$7M - $10.8M
|
22.5K
$10.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Advisor Group Holdings, Inc.
Phoenix, AZ |
BUY
|
- |
21.2K+ 558.52% |
$6.58M - $10.2M
|
24.9K
$11.2M
|
|
|
Oct 27, 2025
Q3 2025
|
Sumitomo Mitsui Trust Holdings, Inc.
|
BUY
|
- |
20.9K+ 7.12% |
$6.51M - $10.1M
|
314K
$141M
|
|
|
Nov 12, 2025
Q3 2025
|
Lpl Financial LLC
Fort Mill, SC |
BUY
|
- |
18.1K+ 59.79% |
$5.64M - $8.75M
|
48.5K
$21.8M
|
|
|
Nov 14, 2025
Q3 2025
|
California Public Employees Retirement System
Sacramento, CA |
BUY
|
- |
18.1K+ 8.54% |
$5.62M - $8.71M
|
230K
$103M
|
|
|
Nov 13, 2025
Q3 2025
|
Jump Financial, LLC
Chicago, IL |
BUY
|
- |
17.7K+ 103.04% |
$5.51M - $8.53M
|
34.9K
$15.7M
|
|
|
Oct 22, 2025
Q3 2025
|
Cerity Partners LLC
New York, NY |
BUY
|
- |
17.3K+ 171.23% |
$5.39M - $8.35M
|
27.4K
$12.3M
|
|
|
Nov 13, 2025
Q3 2025
|
Entropy Technologies, LP
New York, NY |
BUY
|
- |
17.2KNew |
$5.35M - $8.28M
|
17.2K
$7.72M
|
|
|
Oct 22, 2025
Q3 2025
|
Robeco Institutional Asset Management B.V.
|
BUY
|
- |
16.7K+ 17.34% |
$5.2M - $8.05M
|
113K
$50.8M
|
|
|
Nov 13, 2025
Q3 2025
|
Twin Tree Management, LP
Dallas, TX |
BUY
|
- |
16KNew |
$4.98M - $7.72M
|
16K
$7.19M
|
|
|
Nov 14, 2025
Q3 2025
|
Frontier Capital Management CO LLC
|
BUY
|
- |
15.9K+ 15.41% |
$4.94M - $7.65M
|
119K
$53.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Quantessence Capital LLC
New York, NY |
BUY
|
- |
15.9KNew |
$4.94M - $7.65M
|
15.9K
$7.13M
|
|
|
Nov 13, 2025
Q3 2025
|
Legal & General Group PLC
London, X0 |
BUY
|
- |
15K+ 1.72% |
$4.67M - $7.24M
|
888K
$399M
|
|
|
Nov 13, 2025
Q3 2025
|
Jane Street Group, LLC
New York, NY |
BUY
|
PUT |
14.9K+ 62.08% |
$4.64M - $7.18M
|
38.9K
$17.5M
|
|
|
Nov 14, 2025
Q3 2025
|
Linden Advisors LP
New York, NY |
BUY
|
- |
14.4KNew |
$4.47M - $6.93M
|
14.4K
$6.45M
|
|
|
Nov 14, 2025
Q3 2025
|
Polar Capital Holdings PLC
London, X0 |
BUY
|
- |
14K+ 5.88% |
$4.34M - $6.73M
|
251K
$113M
|
|
|
Nov 12, 2025
Q3 2025
|
Andra Ap Fonden
Goteborg, V7 |
BUY
|
- |
13.8K+ 200.0% |
$4.29M - $6.65M
|
20.7K
$9.3M
|
|
|
Nov 14, 2025
Q3 2025
|
Artia Global Partners LP
Miami, FL |
BUY
|
- |
13.6K+ 64.85% |
$4.23M - $6.56M
|
34.6K
$15.5M
|
|
|
Nov 13, 2025
Q3 2025
|
Loomis Sayles & CO L P
|
BUY
|
- |
13.3K+ 2.74% |
$4.15M - $6.43M
|
501K
$225M
|
|
|
Nov 14, 2025
Q3 2025
|
Srs Capital Advisors, Inc.
Denver, CO |
BUY
|
- |
12.9K+ 8623.33% |
$4.02M - $6.24M
|
13.1K
$5.88M
|
|
|
Nov 04, 2025
Q3 2025
|
Hantz Financial Services, Inc.
|
BUY
|
- |
12.8K+ 3368.6% |
$3.97M - $6.16M
|
13.1K
$5.9M
|
|
|
Oct 28, 2025
Q3 2025
|
Campbell & CO Investment Adviser LLC
Baltimore, MD |
BUY
|
- |
12.7KNew |
$3.95M - $6.12M
|
12.7K
$5.7M
|
|
|
Nov 13, 2025
Q3 2025
|
Fieldview Capital Management, LLC
Niles, MI |
BUY
|
- |
12.7KNew |
$3.94M - $6.1M
|
12.7K
$5.69M
|
|
|
Nov 06, 2025
Q3 2025
|
Cibc World Market Inc.
Toronto, A6 |
BUY
|
- |
12.1KNew |
$3.77M - $5.84M
|
12.1K
$5.44M
|
|
|
Nov 07, 2025
Q3 2025
|
Alberta Investment Management Corp
Edmonton, A0 |
BUY
|
- |
11.7KNew |
$3.64M - $5.64M
|
11.7K
$5.26M
|
|
|
Nov 14, 2025
Q3 2025
|
Virtu Financial LLC
New York, NY |
BUY
|
- |
11.7KNew |
$3.63M - $5.62M
|
11.7K
$5.24M
|
|
|
Nov 13, 2025
Q3 2025
|
Swiss National Bank
Zurich, V8 |
BUY
|
- |
11.6K+ 3.19% |
$3.61M - $5.59M
|
376K
$169M
|
|
|
Nov 17, 2025
Q3 2025
|
Dark Forest Capital Management LP
Weston, CT |
BUY
|
- |
11.6KNew |
$3.61M - $5.59M
|
11.6K
$5.21M
|
|
|
Nov 12, 2025
Q3 2025
|
Natixis Advisors, L.P.
Boston, MA |
BUY
|
- |
11.6K+ 114.48% |
$3.6M - $5.58M
|
21.7K
$9.74M
|
|
|
Nov 13, 2025
Q3 2025
|
Acadian Asset Management LLC
Boston, MA |
BUY
|
- |
11.4K+ 147.22% |
$3.54M - $5.48M
|
19.1K
$8.57M
|
|