Alnylam Pharmaceuticals Inc. (ALNY)

Market is closed

Hedge Fund Popularity

13F filing is ongoing

Hedge Fund Holdings
Filing Period:
Last update:
No. Hedge Fund Shares Value Activity % Port
1. 2,121,412 $691,771,240 +30% 3.36%
2.
Woodline Partners

Michael Rockefeller And Karl Kroeker

623,115 $203,191,570 +299% 1.07%
3. 601,199 $196,044,982 +14093% 0.03%
4.
Holocene Advisors

Brandon Haley

596,816 $194,615,729 0.47%
5.
Deerfield ManagementNOTE 1.000% 9/1

James E. Flynn

110,000,000 $143,172,150 2.6%
Insider Trading: Purchases See All
Insider Price Amount Total Value Remaining Holdings Date Form 4
$302.67 4 $1,210.68 36 2024-10-17 Filing
$286.00 32 $9,152.00 32 2024-08-29 Filing
$71.87 297,501 $21,381,396.87 10,554,134 2017-05-31 Filing
$65.35 11,500 $751,502.00 11,500 2017-05-30 Filing
$37.00 27,900 $1,032,327.90 27,900 2016-10-13 Filing
Insider Trading: Sales See All
Insider Price Amount Total Value Remaining Holdings Date Form 4
$461.74 45 $20,778.30 20,221 2025-08-19 Filing
$461.01 305 $140,608.05 20,266 2025-08-19 Filing
$459.59 260 $119,493.40 20,571 2025-08-19 Filing
$458.27 231 $105,860.37 20,831 2025-08-19 Filing
$457.26 338 $154,553.88 21,062 2025-08-19 Filing
Institutional Investors' Holdings
Filing Period:
No. Name Shares Value % Port
1. 16,805,007 $5,479,867,052 0.8%
2. 15,806,521 $5,154,348,251 0.29%
3. 13,297,139 $4,336,064,057 0.07%
4. 9,980,163 $3,254,431,218 0.06%
5. 7,191,656 $2,345,092,829 0.47%
News See All