Latest Institutional Transactions on Alnylam Pharmaceuticals, Inc. (ALNY)
This table provides information on the latest institutional transactions involving Alnylam Pharmaceuticals, Inc. (ALNY) stock. The table includes the name of the institution, the type of operation (buy or sell), whether options were involved, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the transaction has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Nov 14, 2025
Q3 2025
|
Dz Bank Ag Deutsche Zentral Genossenschafts Bank, Frankfurt Am Main
Frankfurt Am Main, 2M |
BUY
|
- |
3.5KNew |
$1.09M - $1.69M
|
3.5K
$1.57M
|
|
|
Nov 14, 2025
Q3 2025
|
Aquatic Capital Management LLC
Chicago, IL |
BUY
|
- |
84.1KNew |
$26.2M - $40.5M
|
84.1K
$37.8M
|
|
|
Nov 14, 2025
Q3 2025
|
Zacks Investment Management
Chicago, IL |
SELL
|
- |
-27- 0.23% |
$8.4K - $13K
|
11.9K
$5.35M
|
|
|
Nov 14, 2025
Q3 2025
|
Mariner, LLC
Overland Park, KS |
BUY
|
- |
11.3K+ 74.7% |
$3.5M - $5.43M
|
26.3K
$11.8M
|
|
|
Nov 14, 2025
Q3 2025
|
Xtx Topco LTD
London, X0 |
BUY
|
- |
834New |
$259K - $402K
|
834
$375K
|
|
|
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
|
Capula Management LTD
Grand Cayman, E9 |
BUY
|
- |
6.89KNew |
$2.14M - $3.32M
|
6.89K
$3.09M
|
|
|
Nov 14, 2025
Q3 2025
|
Capstone Investment Advisors, LLC
New York, NY |
BUY
|
- |
1.23KNew |
$383K - $594K
|
1.23K
$553K
|
|
|
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
|
Point72 Hong Kong LTD
Hong Kong, K3 |
BUY
|
- |
598New |
$186K - $288K
|
598
$269K
|
|
|
Nov 14, 2025
Q3 2025
|
Point72 Europe (London) LLP
London, X0 |
SELL
|
- |
-19.1K- 95.95% |
$5.95M - $9.22M
|
807
$362K
|
|
|
Nov 14, 2025
Q3 2025
|
Cubist Systematic Strategies, LLC
Stamford, CT |
BUY
|
- |
1.35KNew |
$421K - $652K
|
1.35K
$607K
|
|
|
Nov 14, 2025
Q3 2025
|
Cubist Systematic Strategies, LLC
Stamford, CT |
BUY
|
CALL |
3.2K+ 400.0% |
$996K - $1.54M
|
4K
$1.8M
|
|
|
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 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
|
Palo Alto Investors LP
Palo Alto, CA |
SELL
|
- |
-43.2K- 57.21% |
$13.4M - $20.8M
|
32.3K
$14.5M
|
|
|
Nov 14, 2025
Q3 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
BUY
|
- |
91.1K+ 84.17% |
$28.4M - $43.9M
|
199K
$89.6M
|
|
|
Nov 14, 2025
Q3 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
BUY
|
PUT |
900New |
$280K - $434K
|
900
$404K
|
|
|
Nov 14, 2025
Q3 2025
|
Joel Greenblatt
Gotham Asset Management, LLC | New York, Ny
|
BUY
|
- |
10.3K+ 58.18% |
$3.22M - $4.99M
|
28.1K
$12.6M
|
|
|
Nov 14, 2025
Q3 2025
|
Aqr Capital Management LLC
Greenwich, CT |
BUY
|
- |
556K+ 295.23% |
$173M - $268M
|
744K
$334M
|
|
|
Nov 14, 2025
Q3 2025
|
Blue Crest Capital Management LTD
St Helier, Y9 |
BUY
|
- |
1.23KNew |
$383K - $594K
|
1.23K
$553K
|
|
|
Nov 14, 2025
Q3 2025
|
Man Group PLC
London, X0 |
BUY
|
- |
63.6K+ 783.87% |
$19.8M - $30.6M
|
71.7K
$32.2M
|
|
|
Nov 14, 2025
Q3 2025
|
Zurich Insurance Group LTD
Zurich, V8 |
SELL
|
- |
-37.8K- 55.77% |
$11.8M - $18.2M
|
30K
$13.5M
|
|
|
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 14, 2025
Q3 2025
|
Amundi
Paris, I0 |
SELL
|
- |
-9.91K- 2.51% |
$3.08M - $4.78M
|
384K
$173M
|
|
|
Nov 14, 2025
Q3 2025
|
Brevan Howard Capital Management LP
St. Helier, Y9 |
BUY
|
- |
6.17KNew |
$1.92M - $2.97M
|
6.17K
$2.77M
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
SELL
|
- |
-379K- 63.1% |
$118M - $183M
|
222K
$99.6M
|
|
|
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 14, 2025
Q3 2025
|
Creative Planning
Overland Park, KS |
BUY
|
- |
7.28K+ 46.74% |
$2.27M - $3.51M
|
22.9K
$10.3M
|
|
|
Nov 14, 2025
Q3 2025
|
Fred Alger Management, LLC
New York, NY |
BUY
|
- |
1.99KNew |
$618K - $958K
|
1.99K
$892K
|
|
|
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
|
Israel Englander
Millennium Management LLC | New York, Ny
|
BUY
|
- |
459K+ 508.03% |
$143M - $222M
|
550K
$247M
|
|
|
Nov 14, 2025
Q3 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
BUY
|
PUT |
400+ 26.67% |
$124K - $193K
|
1.9K
$853K
|
|
|
Nov 14, 2025
Q3 2025
|
Schonfeld Strategic Advisors LLC
New York, NY |
SELL
|
- |
-49K- 83.48% |
$15.3M - $23.6M
|
9.71K
$4.36M
|
|
|
Nov 14, 2025
Q3 2025
|
Shaolin Capital Management LLC
Miami, FL |
BUY
|
- |
4.1KNew |
$1.28M - $1.98M
|
4.1K
$1.84M
|
|
|
Nov 14, 2025
Q3 2025
|
Paul Tudor Jones
Tudor Investment Corp Et Al | Stamford, Ct
|
BUY
|
PUT |
2.5KNew |
$778K - $1.21M
|
2.5K
$1.12M
|
|
|
Nov 14, 2025
Q3 2025
|
Transamerica Financial Advisors, Inc.
Clearwater, FL |
BUY
|
- |
77New |
$24K - $37.1K
|
77
$34.6K
|
|
|
Nov 14, 2025
Q3 2025
|
Voloridge Investment Management, LLC
Jupiter, FL |
BUY
|
- |
349K+ 4532.64% |
$109M - $168M
|
357K
$160M
|
|
|
Nov 14, 2025
Q3 2025
|
Aristeia Capital LLC
Greenwich, CT |
BUY
|
- |
2.1KNew |
$653K - $1.01M
|
2.1K
$943K
|
|
|
Nov 14, 2025
Q3 2025
|
Utah Retirement Systems
Salt Lake City, UT |
SELL
|
- |
-371- 1.77% |
$115K - $179K
|
20.6K
$9.25M
|
|
|
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 14, 2025
Q3 2025
|
Srs Capital Advisors, Inc.
Denver, CO |
BUY
|
- |
12.9K+ 8623.33% |
$4.02M - $6.24M
|
13.1K
$5.88M
|
|
|
Nov 14, 2025
Q3 2025
|
Anchor Investment Management, LLC
Columbia, SC |
BUY
|
- |
2.05K+ 1024.5% |
$637K - $988K
|
2.25K
$1.01M
|
|
|
Nov 14, 2025
Q3 2025
|
Jpl Wealth Management, LLC
Highlands Ranch, CO |
BUY
|
- |
46New |
$14.3K - $22.2K
|
46
$20.7K
|
|
|
Nov 14, 2025
Q3 2025
|
Sih Partners, Lllp
Wilmington, DE |
BUY
|
- |
1.02KNew |
$317K - $492K
|
1.02K
$458K
|
|
|
Nov 14, 2025
Q3 2025
|
Scientech Research LLC
Jersey City, NJ |
BUY
|
- |
3.87KNew |
$1.2M - $1.87M
|
3.87K
$1.74M
|
|
|
Nov 14, 2025
Q3 2025
|
Point72 Asia (Singapore) Pte. Ltd.
Singapore, U0 |
BUY
|
- |
656+ 80.2% |
$204K - $316K
|
1.47K
$662K
|
|
|
Nov 14, 2025
Q3 2025
|
Point72 (Difc) LTD
Dubai, C0 |
BUY
|
- |
324+ 308.57% |
$101K - $156K
|
429
$193K
|
|
|
Nov 14, 2025
Q3 2025
|
Mirae Asset Global Etfs Holdings Ltd.
Central, K3 |
SELL
|
- |
-887- 7.67% |
$276K - $428K
|
10.7K
$4.79M
|
|
|
Nov 14, 2025
Q3 2025
|
Raymond James Financial Inc
St. Petersburg, FL |
BUY
|
- |
107K+ 39.51% |
$33.2M - $51.5M
|
377K
$169M
|
|