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. 1,618,219 $643,484,786 -18% 2.7%
2.
Two Sigma Advisors

John Overdeck And David Siegel

1,132,560 $450,362,484 +27% 0.88%
3.
Arrowstreet Capital

Peter Rathjens, Bruce Clarke And John Campbell

1,127,162 $448,215,969 -17% 0.26%
4. 919,959 $365,821,629 +24% 0.19%
5.
Marshall Wace LLP

Paul Marshall And Ian Wace

549,922 $218,676,482 +9% 0.2%
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
$332.64 53 $17,629.92 64,273 2026-03-02 Filing
$331.93 129 $42,818.97 64,326 2026-03-02 Filing
$330.85 112 $37,055.20 64,455 2026-03-02 Filing
$329.71 234 $77,152.14 64,567 2026-03-02 Filing
$328.71 138 $45,361.98 64,801 2026-03-02 Filing
Institutional Investors' Holdings
Filing Period:
No. Name Shares Value % Port
1. 16,301,772 $6,482,389,029 0.88%
2. 15,902,149 $6,323,489,463 0.32%
3. 13,553,932 $5,389,721,059 0.08%
4. 10,400,874 $4,135,907,609 0.07%
5. 6,779,708 $2,695,945,984 0.5%
News See All