Latest Institutional Sells of Alnylam Pharmaceuticals, Inc. (ALNY)
This list provides information on the latest institutional transactions involving Alnylam Pharmaceuticals, Inc. (ALNY) stock that were sells. 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 sale has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Aug 14, 2025
Q2 2025
|
Aqr Capital Management LLC
Greenwich, CT |
SELL
|
- |
-640K- 77.27% |
$144M - $209M
|
188K
$80.9M
|
|
|
Aug 06, 2025
Q2 2025
|
Baillie Gifford & CO
|
SELL
|
- |
-626K- 17.11% |
$140M - $204M
|
3.03M
$1.3B
|
|
|
Aug 14, 2025
Q2 2025
|
Wellington Management Group LLP
Boston, MA |
SELL
|
- |
-535K- 20.5% |
$120M - $175M
|
2.08M
$892M
|
|
|
Aug 14, 2025
Q2 2025
|
Price T Rowe Associates Inc
Baltimore, MD |
SELL
|
- |
-360K- 10.28% |
$80.8M - $117M
|
3.15M
$1.35B
|
|
|
Aug 14, 2025
Q2 2025
|
Adage Capital Partners Gp, L.L.C.
Boston, MA |
SELL
|
- |
-198K- 70.09% |
$44.4M - $64.5M
|
84.4K
$36.3M
|
|
|
Aug 14, 2025
Q2 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
SELL
|
- |
-197K- 68.52% |
$44.2M - $64.2M
|
90.4K
$38.9M
|
|
|
Aug 14, 2025
Q2 2025
|
State Street Corp
Boston, MA |
SELL
|
- |
-193K- 5.75% |
$43.4M - $63.1M
|
3.17M
$1.36B
|
|
|
Aug 14, 2025
Q2 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
SELL
|
- |
-182K- 62.65% |
$40.7M - $59.2M
|
108K
$46.6M
|
|
|
Aug 13, 2025
Q2 2025
|
Dodge & Cox
San Francisco, CA |
SELL
|
- |
-155K- 4.61% |
$34.7M - $50.4M
|
3.2M
$1.37B
|
|
|
Aug 14, 2025
Q2 2025
|
T. Rowe Price Investment Management, Inc.
Baltimore, MD |
SELL
|
- |
-137K- 3.1% |
$30.7M - $44.6M
|
4.28M
$1.84B
|
|
|
Aug 14, 2025
Q2 2025
|
Jacobs Levy Equity Management, Inc
Florham Park, NJ |
SELL
|
- |
-135K- 88.45% |
$30.3M - $44.1M
|
17.7K
$7.6M
|
|
|
Aug 12, 2025
Q2 2025
|
Nuveen, LLC
Charlotte, NC |
SELL
|
- |
-108K- 12.27% |
$24.3M - $35.3M
|
775K
$333M
|
|
|
Aug 14, 2025
Q2 2025
|
Steven Cohen
Point72 Asset Management, L.P. | Stamford, Ct
|
SELL
|
- |
-99.2K- 33.01% |
$22.3M - $32.4M
|
201K
$86.6M
|
|
|
Aug 14, 2025
Q2 2025
|
Bellevue Group Ag
Kuesnacht, V8 |
SELL
|
- |
-91.8K- 11.95% |
$20.6M - $29.9M
|
676K
$291M
|
|
|
Aug 12, 2025
Q2 2025
|
Prudential Financial Inc
Newark, NJ |
SELL
|
- |
-88.1K- 51.21% |
$19.8M - $28.7M
|
83.9K
$36.1M
|
|
|
Aug 14, 2025
Q2 2025
|
Jane Street Group, LLC
New York, NY |
SELL
|
- |
-75.7K- 76.81% |
$17M - $24.7M
|
22.9K
$9.83M
|
|
|
Aug 14, 2025
Q2 2025
|
Worldquant Millennium Advisors LLC
New York, NY |
SELL
|
- |
-73.7K- 38.58% |
$16.5M - $24M
|
117K
$50.5M
|
|
|
Aug 14, 2025
Q2 2025
|
Jane Street Group, LLC
New York, NY |
SELL
|
PUT |
-69K- 74.19% |
$15.5M - $22.5M
|
24K
$10.3M
|
|
|
Aug 13, 2025
Q2 2025
|
Amundi
Paris, I0 |
SELL
|
- |
-60.8K- 13.37% |
$13.6M - $19.8M
|
394K
$169M
|
|
|
Aug 14, 2025
Q2 2025
|
Voloridge Investment Management, LLC
Jupiter, FL |
SELL
|
- |
-54.6K- 87.64% |
$12.2M - $17.8M
|
7.7K
$3.31M
|
|
|
Aug 14, 2025
Q2 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
SELL
|
PUT |
-45.5K- 20.78% |
$10.2M - $14.8M
|
174K
$74.6M
|
|
|
Jul 28, 2025
Q2 2025
|
Td Asset Management Inc
|
SELL
|
- |
-45.4K- 9.33% |
$10.2M - $14.8M
|
441K
$190M
|
|
|
Aug 14, 2025
Q2 2025
|
Rock Springs Capital Management LP
Baltimore, MD |
SELL
|
- |
-43.3K- 30.19% |
$9.7M - $14.1M
|
100K
$43M
|
|
|
Aug 14, 2025
Q2 2025
|
Polar Capital Holdings PLC
London, X0 |
SELL
|
- |
-42.5K- 15.18% |
$9.53M - $13.9M
|
238K
$102M
|
|
|
Aug 14, 2025
Q2 2025
|
Eventide Asset Management, LLC
Boston, MA |
SELL
|
- |
-40.5K- 24.36% |
$9.1M - $13.2M
|
126K
$54.1M
|
|
|
Aug 14, 2025
Q2 2025
|
Casdin Capital, LLC
New York, NY |
SELL
|
- |
-38.5K- 32.08% |
$8.64M - $12.6M
|
81.5K
$35M
|
|
|
Aug 14, 2025
Q2 2025
|
Ieq Capital, LLC
|
SELL
|
- |
-37.9K- 86.09% |
$8.5M - $12.4M
|
6.12K
$2.63M
|
|
|
Aug 14, 2025
Q2 2025
|
Hrt Financial LP
New York, NY |
SELL
|
- |
-37.3K- 67.58% |
$8.36M - $12.2M
|
17.9K
$7.69M
|
|
|
Aug 04, 2025
Q2 2025
|
Antipodes Partners LTD
Royal Exchange, C3 |
SELL
|
- |
-36.8K- 23.03% |
$8.24M - $12M
|
123K
$52.8M
|
|
|
Aug 07, 2025
Q2 2025
|
Illinois Municipal Retirement Fund
|
SELL
|
- |
-36.6K- 58.44% |
$8.21M - $11.9M
|
26K
$11.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Iron Triangle Partners LP
Cos Cob, CT |
SELL
|
- |
-36.1K- 55.15% |
$8.09M - $11.8M
|
29.3K
$12.6M
|
|
|
Aug 13, 2025
Q2 2025
|
Russell Investments Group, Ltd.
|
SELL
|
- |
-35.8K- 27.68% |
$8.02M - $11.7M
|
93.4K
$40.2M
|
|
|
Aug 13, 2025
Q2 2025
|
Northern Trust Corp
Chicago, IL |
SELL
|
- |
-33.2K- 3.84% |
$7.46M - $10.8M
|
832K
$358M
|
|
|
Aug 14, 2025
Q2 2025
|
Janus Henderson Group PLC
London, X0 |
SELL
|
- |
-31.2K- 17.19% |
$7.01M - $10.2M
|
150K
$64.7M
|
|
|
Aug 13, 2025
Q2 2025
|
Marshall Wace, LLP
London, X0 |
SELL
|
- |
-30.4K- 11.29% |
$6.81M - $9.9M
|
239K
$103M
|
|
|
Jul 28, 2025
Q2 2025
|
Twin Tree Management, LP
Dallas, TX |
SELL
|
PUT |
-27.9K- 56.02% |
$6.26M - $9.1M
|
21.9K
$9.42M
|
|
|
Aug 14, 2025
Q2 2025
|
Royal London Asset Management LTD
United Kingdom, X0 |
SELL
|
- |
-27.9K- 9.71% |
$6.25M - $9.09M
|
259K
$111M
|
|
|
Aug 07, 2025
Q2 2025
|
Zurcher Kantonalbank (Zurich Cantonalbank)
Zurich, V8 |
SELL
|
- |
-26.4K- 46.16% |
$5.91M - $8.6M
|
30.8K
$13.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Canada Pension Plan Investment Board
Toronto Ontario, A6 |
SELL
|
- |
-25K- 41.32% |
$5.61M - $8.16M
|
35.5K
$15.3M
|
|
|
Aug 08, 2025
Q2 2025
|
Mitsubishi Ufj Trust & Banking Corp
Tokyo, M0 |
SELL
|
- |
-24.9K- 22.53% |
$5.59M - $8.13M
|
85.7K
$36.9M
|
|
|
Aug 13, 2025
Q2 2025
|
Schroder Investment Management Group
London, X0 |
SELL
|
- |
-19.2K- 69.12% |
$4.31M - $6.26M
|
8.58K
$3.69M
|
|
|
Aug 13, 2025
Q2 2025
|
Quadrature Capital LTD
London, X0 |
SELL
|
- |
-16.6K- 89.81% |
$3.73M - $5.42M
|
1.89K
$811K
|
|
|
Aug 13, 2025
Q2 2025
|
Pictet Asset Management Holding Sa
Carouge, V8 |
SELL
|
- |
-16.4K- 3.4% |
$3.67M - $5.34M
|
465K
$200M
|
|
|
Aug 14, 2025
Q2 2025
|
Pfm Health Sciences, LP
San Francisco, CA |
SELL
|
- |
-14.9K- 17.13% |
$3.35M - $4.87M
|
72.2K
$31M
|
|
|
Aug 14, 2025
Q2 2025
|
Point72 Asia (Singapore) Pte. Ltd.
Singapore, U0 |
SELL
|
- |
-14.2K- 94.55% |
$3.18M - $4.63M
|
818
$352K
|
|
|
Aug 08, 2025
Q2 2025
|
Jupiter Asset Management LTD
|
SELL
|
- |
-13.6K- 93.33% |
$3.06M - $4.45M
|
974
$419K
|
|
|
Aug 06, 2025
Q2 2025
|
Los Angeles Capital Management LLC
|
SELL
|
- |
-13.5K- 16.65% |
$3.02M - $4.39M
|
67.4K
$29M
|
|
|
Aug 06, 2025
Q2 2025
|
Savant Capital, LLC
|
SELL
|
- |
-12.8K- 77.3% |
$2.88M - $4.18M
|
3.77K
$1.62M
|
|
|
Jul 28, 2025
Q2 2025
|
Allianz Asset Management Gmb H
Munich, 2M |
SELL
|
- |
-12.5K- 5.73% |
$2.81M - $4.08M
|
206K
$88.6M
|
|
|
Aug 14, 2025
Q2 2025
|
Rafferty Asset Management, LLC
New York, NY |
SELL
|
- |
-12.4K- 27.79% |
$2.78M - $4.04M
|
32.2K
$13.8M
|