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Alnylam Pharmaceuticals

401 hedge funds and large institutions have $21B invested in Alnylam Pharmaceuticals in 2021 Q3 according to their latest regulatory filings, with 48 funds opening new positions, 154 increasing their positions, 120 reducing their positions, and 41 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
401
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
9
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$275M
Puts
$138M
Net Calls
Net Calls Change

Top Buyers

1 +$66M
2 +$52.9M
3 +$43.8M
4
BlackRock
BlackRock
New York
+$42.4M
5
Fidelity Investments
Fidelity Investments
Massachusetts
+$36.9M

Top Sellers

1 -$341M
2 -$54.5M
3 -$50.6M
4
ACA
Avoro Capital Advisors
New York
-$28.3M
5
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
-$27M
Name Holding Trade Value Shares
Change
Change in
Stake
1
$3.37B
2
$2B
3
$1.97B
4
$1.68B
5
$1.39B
6
$1.11B
7
$1.01B
8
$529M
9
$462M
10
$355M
11
$327M
12
$318M
13
$274M
14
$266M
15
$258M
16
$202M
17
$199M
18
$189M
19
$188M
20
$183M
21
$181M
22
$174M
23
$160M
24
$156M
25
$154M