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 |
|---|---|---|---|---|---|---|---|
|
Nov 14, 2025
Q3 2025
|
T. Rowe Price Investment Management, Inc.
Baltimore, MD |
SELL
|
- |
-2.11M- 49.22% |
$656M - $1.02B
|
2.17M
$976M
|
|
|
Nov 14, 2025
Q3 2025
|
Price T Rowe Associates Inc
Baltimore, MD |
SELL
|
- |
-1.34M- 42.76% |
$418M - $648M
|
1.8M
$809M
|
|
|
Nov 13, 2025
Q3 2025
|
Winslow Capital Management, LLC
Minneapolis, MN |
SELL
|
- |
-1.18M- 99.89% |
$366M - $567M
|
1.34K
$600K
|
|
|
Nov 13, 2025
Q3 2025
|
Dodge & Cox
San Francisco, CA |
SELL
|
- |
-876K- 27.4% |
$272M - $422M
|
2.32M
$1.04B
|
|
|
Nov 14, 2025
Q3 2025
|
Holocene Advisors, LP
New York, NY |
SELL
|
- |
-584K- 97.81% |
$182M - $281M
|
13.1K
$5.88M
|
|
|
Nov 14, 2025
Q3 2025
|
Woodline Partners LP
San Francisco, CA |
SELL
|
- |
-531K- 85.27% |
$165M - $256M
|
91.8K
$41.2M
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
SELL
|
- |
-379K- 63.1% |
$118M - $183M
|
222K
$99.6M
|
|
|
Nov 13, 2025
Q3 2025
|
Capital World Investors
Los Angeles, CA |
SELL
|
- |
-371K- 2.21% |
$115M - $179M
|
16.4M
$7.38B
|
|
|
Nov 14, 2025
Q3 2025
|
Ubs Asset Management Americas Inc
Chicago, IL |
SELL
|
- |
-250K- 26.06% |
$77.7M - $120M
|
709K
$318M
|
|
|
Nov 14, 2025
Q3 2025
|
Wellington Management Group LLP
Boston, MA |
SELL
|
- |
-249K- 12.02% |
$77.6M - $120M
|
1.83M
$820M
|
|
|
Oct 31, 2025
Q3 2025
|
Baillie Gifford & CO
|
SELL
|
- |
-243K- 8.0% |
$75.5M - $117M
|
2.79M
$1.25B
|
|
|
Nov 14, 2025
Q3 2025
|
Bellevue Group Ag
Kuesnacht, V8 |
SELL
|
- |
-230K- 33.98% |
$71.5M - $111M
|
447K
$201M
|
|
|
Nov 21, 2025
Q3 2025
|
Cibc Bancorp Usa Inc.
Chicago, IL |
SELL
|
- |
-215K- 97.87% |
$66.9M - $104M
|
4.68K
$2.1M
|
|
|
Nov 13, 2025
Q3 2025
|
Sei Investments CO
Oaks, PA |
SELL
|
- |
-214K- 69.39% |
$66.6M - $103M
|
94.5K
$42.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Steven Cohen
Point72 Asset Management, L.P. | Stamford, Ct
|
SELL
|
- |
-195K- 96.92% |
$60.7M - $94.1M
|
6.2K
$2.78M
|
|
|
Nov 10, 2025
Q3 2025
|
Citigroup Inc
|
SELL
|
- |
-187K- 75.48% |
$58.3M - $90.3M
|
60.9K
$27.3M
|
|
|
Nov 12, 2025
Q3 2025
|
Nuveen, LLC
Charlotte, NC |
SELL
|
- |
-187K- 24.15% |
$58.2M - $90.2M
|
588K
$264M
|
|
|
Nov 14, 2025
Q3 2025
|
Orbis Allan Gray LTD
Hamilton, D0 |
SELL
|
- |
-170K- 8.03% |
$53M - $82.2M
|
1.95M
$876M
|
|
|
Nov 12, 2025
Q3 2025
|
American Century Companies Inc
Kansas City, MO |
SELL
|
- |
-152K- 8.5% |
$47.4M - $73.5M
|
1.64M
$737M
|
|
|
Nov 10, 2025
Q3 2025
|
Td Asset Management Inc
|
SELL
|
- |
-129K- 29.16% |
$40M - $62M
|
313K
$140M
|
|
|
Nov 14, 2025
Q3 2025
|
Balyasny Asset Management LLC
Chicago, IL |
SELL
|
- |
-105K- 91.1% |
$32.7M - $50.6M
|
10.3K
$4.61M
|
|
|
Nov 10, 2025
Q3 2025
|
Westfield Capital Management CO LP
Boston, MA |
SELL
|
- |
-104K- 54.26% |
$32.4M - $50.3M
|
87.9K
$39.5M
|
|
|
Nov 04, 2025
Q3 2025
|
Allianz Asset Management Gmb H
Munich, 2M |
SELL
|
- |
-99.2K- 48.15% |
$30.9M - $47.8M
|
107K
$48M
|
|
|
Nov 14, 2025
Q3 2025
|
State Street Corp
Boston, MA |
SELL
|
- |
-91.6K- 2.89% |
$28.5M - $44.2M
|
3.08M
$1.38B
|
|
|
Nov 14, 2025
Q3 2025
|
Soleus Capital Management, L.P.
Greenwich, CT |
SELL
|
- |
-91.5K- 85.71% |
$28.5M - $44.1M
|
15.3K
$6.85M
|
|
|
Nov 10, 2025
Q3 2025
|
Antipodes Partners LTD
Royal Exchange, C3 |
SELL
|
- |
-90.8K- 73.98% |
$28.3M - $43.8M
|
32K
$14.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Deerfield Management Company, L.P. (Series C)
New York, NY |
SELL
|
- |
-77.1K- 53.15% |
$24M - $37.2M
|
67.9K
$30.5M
|
|
|
Nov 18, 2025
Q3 2025
|
Pictet Asset Management Holding Sa
Carouge, V8 |
SELL
|
- |
-77.1K- 16.59% |
$24M - $37.2M
|
388K
$174M
|
|
|
Nov 13, 2025
Q3 2025
|
Prudential Financial Inc
Newark, NJ |
SELL
|
- |
-74.8K- 89.12% |
$23.3M - $36.1M
|
9.13K
$4.1M
|
|
|
Nov 12, 2025
Q3 2025
|
Dimensional Fund Advisors LP
Austin, TX |
SELL
|
- |
-63.6K- 20.82% |
$19.8M - $30.7M
|
242K
$109M
|
|
|
Nov 06, 2025
Q3 2025
|
Abrdn PLC
|
SELL
|
- |
-61.2K- 28.01% |
$19M - $29.5M
|
157K
$70.7M
|
|
|
Nov 13, 2025
Q3 2025
|
Ubs Group Ag
|
SELL
|
- |
-55.3K- 10.17% |
$17.2M - $26.7M
|
488K
$219M
|
|
|
Nov 14, 2025
Q3 2025
|
Schonfeld Strategic Advisors LLC
New York, NY |
SELL
|
- |
-49K- 83.48% |
$15.3M - $23.6M
|
9.71K
$4.36M
|
|
|
Oct 30, 2025
Q3 2025
|
Jennison Associates LLC
|
SELL
|
- |
-45.2K- 12.91% |
$14.1M - $21.8M
|
305K
$137M
|
|
|
Nov 04, 2025
Q3 2025
|
Principal Financial Group Inc
Des Moines, IA |
SELL
|
- |
-45.1K- 89.27% |
$14M - $21.8M
|
5.42K
$2.43M
|
|
|
Nov 14, 2025
Q3 2025
|
Morgan Stanley
New York, NY |
SELL
|
- |
-44.9K- 5.82% |
$14M - $21.7M
|
726K
$326M
|
|
|
Nov 14, 2025
Q3 2025
|
Palo Alto Investors LP
Palo Alto, CA |
SELL
|
- |
-43.2K- 57.21% |
$13.4M - $20.8M
|
32.3K
$14.5M
|
|
|
Nov 13, 2025
Q3 2025
|
Deutsche Bank Ag\
Frankfurt Am Main, 2M |
SELL
|
- |
-43K- 6.62% |
$13.4M - $20.7M
|
606K
$272M
|
|
|
Nov 07, 2025
Q3 2025
|
Eagle Health Investments LP
Greenwich, CT |
SELL
|
- |
-42K- 63.92% |
$13.1M - $20.2M
|
23.7K
$10.6M
|
|
|
Nov 12, 2025
Q3 2025
|
First Trust Advisors LP
Wheaton, IL |
SELL
|
- |
-41.4K- 16.45% |
$12.9M - $20M
|
210K
$94.5M
|
|
|
Nov 13, 2025
Q3 2025
|
Wells Fargo & Company
San Francisco, CA |
SELL
|
- |
-41.3K- 12.82% |
$12.8M - $19.9M
|
281K
$126M
|
|
|
Nov 14, 2025
Q3 2025
|
Orbimed Advisors LLC
San Diego, CA |
SELL
|
- |
-40.3K- 11.79% |
$12.5M - $19.4M
|
302K
$135M
|
|
|
Nov 14, 2025
Q3 2025
|
Zurich Insurance Group LTD
Zurich, V8 |
SELL
|
- |
-37.8K- 55.77% |
$11.8M - $18.2M
|
30K
$13.5M
|
|
|
Nov 13, 2025
Q3 2025
|
Panagora Asset Management Inc
Boston, MA |
SELL
|
- |
-30.1K- 32.59% |
$9.38M - $14.5M
|
62.4K
$28M
|
|
|
Nov 14, 2025
Q3 2025
|
Casdin Capital, LLC
New York, NY |
SELL
|
- |
-26.5K- 32.52% |
$8.24M - $12.8M
|
55K
$24.7M
|
|
|
Nov 14, 2025
Q3 2025
|
Rock Springs Capital Management LP
Baltimore, MD |
SELL
|
- |
-25.8K- 25.75% |
$8.01M - $12.4M
|
74.3K
$33.4M
|
|
|
Nov 05, 2025
Q3 2025
|
Candriam S.C.A.
|
SELL
|
- |
-25.7K- 10.78% |
$7.99M - $12.4M
|
212K
$95.4M
|
|
|
Oct 09, 2025
Q3 2025
|
U.S. Capital Wealth Advisors, LLC
Austin, TX |
SELL
|
- |
-24.5K- 47.06% |
$7.62M - $11.8M
|
27.5K
$12.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Eventide Asset Management, LLC
Boston, MA |
SELL
|
- |
-24.2K- 19.19% |
$7.52M - $11.6M
|
102K
$45.7M
|
|
|
Nov 14, 2025
Q3 2025
|
Alliancebernstein L.P.
New York, NY |
SELL
|
- |
-23.4K- 34.79% |
$7.27M - $11.3M
|
43.8K
$19.7M
|
|