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 |
|---|---|---|---|---|---|---|---|
|
May 15, 2025
Q1 2025
|
Mirabella Financial Services LLP
London, X0 |
BUY
|
- |
1.2K+ 11.37% |
$279K - $348K
|
11.7K
$3.77M
|
|
|
May 15, 2025
Q1 2025
|
California State Teachers Retirement System
West Sacramento, CA |
BUY
|
- |
1.08K+ 0.55% |
$252K - $314K
|
197K
$63.4M
|
|
|
May 15, 2025
Q1 2025
|
Sofinnova Investments, Inc.
Menlo Park, CA |
BUY
|
- |
66K+ 59.94% |
$15.4M - $19.2M
|
176K
$56.5M
|
|
|
May 15, 2025
Q1 2025
|
Royal Bank Of Canada
Toronto, A6 |
BUY
|
- |
27K+ 8.72% |
$6.3M - $7.86M
|
337K
$108M
|
|
|
May 15, 2025
Q1 2025
|
Royal Bank Of Canada
Toronto, A6 |
BUY
|
CALL |
57.3KNew |
$13.4M - $16.7M
|
57.3K
$18.4M
|
|
|
May 15, 2025
Q1 2025
|
Nomura Holdings Inc
Tokyo, M0 |
BUY
|
CALL |
9KNew |
$2.1M - $2.62M
|
9K
$2.89M
|
|
|
May 15, 2025
Q1 2025
|
Aquatic Capital Management LLC
Chicago, IL |
SELL
|
- |
-26.2K- 64.62% |
$6.11M - $7.62M
|
14.3K
$4.6M
|
|
|
May 15, 2025
Q1 2025
|
Mariner, LLC
Overland Park, KS |
BUY
|
- |
1.22K+ 8.91% |
$284K - $354K
|
14.9K
$4.78M
|
|
|
May 15, 2025
Q1 2025
|
Balyasny Asset Management LLC
Chicago, IL |
BUY
|
- |
13.1KNew |
$3.06M - $3.81M
|
13.1K
$4.21M
|
|
|
May 15, 2025
Q1 2025
|
Balyasny Asset Management LLC
Chicago, IL |
BUY
|
PUT |
2.6KNew |
$606K - $756K
|
2.6K
$834K
|
|
|
May 15, 2025
Q1 2025
|
Kingdon Capital Management, L.L.C.
New York, NY |
BUY
|
PUT |
50KNew |
$11.7M - $14.5M
|
50K
$16M
|
|
|
May 15, 2025
Q1 2025
|
Voya Investment Management LLC
Atlanta, GA |
SELL
|
- |
-3.94K- 4.15% |
$919K - $1.15M
|
91.1K
$29.2M
|
|
|
May 15, 2025
Q1 2025
|
Saudi Central Bank
Riyadh, T0 |
BUY
|
- |
51New |
$11.9K - $14.8K
|
51
$16.4K
|
|
|
May 15, 2025
Q1 2025
|
Sih Partners, Lllp
Wilmington, DE |
BUY
|
- |
7.96KNew |
$1.86M - $2.31M
|
7.96K
$2.55M
|
|
|
May 15, 2025
Q1 2025
|
Mirae Asset Global Etfs Holdings Ltd.
Central, K3 |
SELL
|
- |
-778- 5.28% |
$181K - $226K
|
14K
$4.48M
|
|
|
May 15, 2025
Q1 2025
|
Banque Transatlantique Sa
Paris, I0 |
BUY
|
- |
29New |
$6.76K - $8.43K
|
29
$9.31K
|
|
|
May 15, 2025
Q1 2025
|
Orbimed Advisors LLC
San Diego, CA |
SELL
|
- |
-69.5K- 16.72% |
$16.2M - $20.2M
|
346K
$111M
|
|
|
May 15, 2025
Q1 2025
|
Treasurer Of The State Of North Carolina
|
SELL
|
- |
-28K- 32.17% |
$6.52M - $8.13M
|
59K
$18.9M
|
|
|
May 15, 2025
Q1 2025
|
Lazard Asset Management LLC
New York, NY |
SELL
|
- |
-12.3K- 50.86% |
$2.87M - $3.58M
|
11.9K
$3.81M
|
|
|
May 15, 2025
Q1 2025
|
Advisors Asset Management, Inc.
Monument, CO |
BUY
|
- |
204+ 3.61% |
$47.5K - $59.3K
|
5.85K
$1.88M
|
|
|
May 15, 2025
Q1 2025
|
Toronto Dominion Bank
Toronto, Ontario, A6 |
BUY
|
- |
2.61K+ 15.57% |
$609K - $759K
|
19.4K
$6.22M
|
|
|
May 15, 2025
Q1 2025
|
Ep Wealth Advisors, LLC
Torrance, CA |
BUY
|
- |
998New |
$233K - $290K
|
998
$320K
|
|
|
May 15, 2025
Q1 2025
|
Mercer Global Advisors Inc
Denver, CO |
BUY
|
- |
610+ 23.46% |
$142K - $177K
|
3.21K
$1.03M
|
|
|
May 15, 2025
Q1 2025
|
S&T Bank
Indiana, PA |
BUY
|
- |
6New |
$1.4K - $1.74K
|
6
$1.93K
|
|
|
May 15, 2025
Q1 2025
|
Ikarian Capital, LLC
Dallas, TX |
BUY
|
- |
31.6KNew |
$7.36M - $9.18M
|
31.6K
$10.1M
|
|
|
May 15, 2025
Q1 2025
|
George Soros
Soros Fund Management LLC | New York, Ny
|
BUY
|
- |
60KNew |
$14M - $17.4M
|
60K
$19.3M
|
|
|
May 15, 2025
Q1 2025
|
Buckingham Strategic Partners
Saint Louis, MO |
BUY
|
- |
1.86K+ 216.01% |
$434K - $541K
|
2.72K
$874K
|
|
|
May 15, 2025
Q1 2025
|
Parkman Healthcare Partners LLC
Stamford, CT |
BUY
|
- |
30.3K+ 78.26% |
$7.05M - $8.8M
|
68.9K
$22.1M
|
|
|
May 15, 2025
Q1 2025
|
Two Sigma Securities, LLC
New York, NY |
BUY
|
- |
42+ 3.76% |
$9.79K - $12.2K
|
1.16K
$372K
|
|
|
May 15, 2025
Q1 2025
|
Two Sigma Investments, LP
New York, NY |
BUY
|
- |
90.3K+ 84.3% |
$21M - $26.2M
|
197K
$63.3M
|
|
|
May 15, 2025
Q1 2025
|
Lmr Partners LLP
London, X0 |
SELL
|
- |
-2.9K- 24.38% |
$676K - $843K
|
9K
$2.89M
|
|
|
May 15, 2025
Q1 2025
|
Lmr Partners LLP
London, X0 |
BUY
|
PUT |
5.8KNew |
$1.35M - $1.69M
|
5.8K
$1.86M
|
|
|
May 15, 2025
Q1 2025
|
Graham Capital Management, L.P.
Rowayton, CT |
SELL
|
- |
-440- 18.72% |
$103K - $128K
|
1.91K
$613K
|
|
|
May 15, 2025
Q1 2025
|
Suvretta Capital Management, LLC
New York, NY |
BUY
|
- |
9.37KNew |
$2.18M - $2.72M
|
9.37K
$3.01M
|
|
|
May 15, 2025
Q1 2025
|
Casdin Capital, LLC
New York, NY |
SELL
|
- |
-20K- 14.29% |
$4.66M - $5.81M
|
120K
$38.5M
|
|
|
May 15, 2025
Q1 2025
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
BUY
|
- |
197K+ 250.0% |
$45.9M - $57.3M
|
276K
$88.5M
|
|
|
May 15, 2025
Q1 2025
|
Caption Management, LLC
Oklahoma City, OK |
BUY
|
CALL |
17K+ 85.0% |
$3.96M - $4.94M
|
37K
$11.9M
|
|
|
May 15, 2025
Q1 2025
|
Wolverine Trading, LLC
Chicago, IL |
SELL
|
- |
-4.89K- 66.71% |
$1.14M - $1.42M
|
2.44K
$782K
|
|
|
May 15, 2025
Q1 2025
|
Wolverine Trading, LLC
Chicago, IL |
BUY
|
PUT |
300+ 2.42% |
$69.9K - $87.2K
|
12.7K
$4.08M
|
|
|
May 15, 2025
Q1 2025
|
Dark Forest Capital Management LP
Weston, CT |
BUY
|
- |
5.15KNew |
$1.2M - $1.5M
|
5.15K
$1.65M
|
|
|
May 15, 2025
Q1 2025
|
Point72 Hong Kong LTD
Hong Kong, K3 |
BUY
|
- |
3.8KNew |
$885K - $1.1M
|
3.8K
$1.22M
|
|
|
May 15, 2025
Q1 2025
|
Point72 Europe (London) LLP
London, X0 |
BUY
|
- |
16KNew |
$3.72M - $4.64M
|
16K
$5.12M
|
|
|
May 15, 2025
Q1 2025
|
Cubist Systematic Strategies, LLC
Stamford, CT |
BUY
|
CALL |
100+ 7.69% |
$23.3K - $29.1K
|
1.4K
$449K
|
|
|
May 15, 2025
Q1 2025
|
Steven Cohen
Point72 Asset Management, L.P. | Stamford, Ct
|
BUY
|
- |
301KNew |
$70.1M - $87.4M
|
301K
$96.5M
|
|
|
May 15, 2025
Q1 2025
|
Palo Alto Investors LP
Palo Alto, CA |
SELL
|
- |
-57.2K- 40.65% |
$13.3M - $16.6M
|
83.5K
$26.8M
|
|
|
May 15, 2025
Q1 2025
|
Pfm Health Sciences, LP
San Francisco, CA |
BUY
|
- |
87.1KNew |
$20.3M - $25.3M
|
87.1K
$28M
|
|
|
May 15, 2025
Q1 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
SELL
|
- |
-73.2K- 20.17% |
$17.1M - $21.3M
|
290K
$93M
|
|
|
May 15, 2025
Q1 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
SELL
|
CALL |
-22K- 93.22% |
$5.13M - $6.4M
|
1.6K
$513K
|
|
|
May 15, 2025
Q1 2025
|
Joel Greenblatt
Gotham Asset Management, LLC | New York, Ny
|
BUY
|
- |
3.59K+ 32.89% |
$837K - $1.04M
|
14.5K
$4.66M
|
|
|
May 15, 2025
Q1 2025
|
Aqr Capital Management LLC
Greenwich, CT |
BUY
|
- |
15K+ 1.84% |
$3.49M - $4.36M
|
828K
$266M
|