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. 1,950,962 $889,638,672 -9% 3.82%
2.
Arrowstreet Capital

Peter Rathjens, Bruce Clarke And John Campbell

1,355,609 $618,157,704 +699% 0.39%
3.
Two Sigma Advisors

John Overdeck And David Siegel

892,500 $406,980,000 +236% 0.81%
4. 744,008 $336,009,047 +296% 0.22%
5.
Millennium Management

Israel Englander

549,931 $250,768,536 +509% 0.11%
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
$463.08 295 $136,608.60 21,264 2025-11-17 Filing
$461.96 323 $149,213.08 21,559 2025-11-17 Filing
$460.84 707 $325,813.88 21,882 2025-11-17 Filing
$459.89 622 $286,051.58 22,589 2025-11-17 Filing
$458.41 794 $363,977.54 23,211 2025-11-17 Filing
Institutional Investors' Holdings
Filing Period:
No. Name Shares Value % Port
1. 16,767,625 $7,646,036,992 0.4%
2. 16,434,253 $7,493,808,123 1.02%
3. 13,565,452 $6,185,846,112 0.09%
4. 9,903,601 $4,516,042,243 0.08%
5. 7,222,840 $3,293,515,969 0.62%
News See All