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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
JP Morgan Chase
JP Morgan Chase
New York
-$27M
Name Holding Trade Value Shares
Change
Change in
Stake
101
$9.94M
102
$9.87M
103
$9.52M
104
$9.25M
105
$8.48M
106
$8.4M
107
$8.38M
108
$8.29M
109
$8.12M
110
$8.09M
111
$7.9M
112
$7.8M
113
$7.8M
114
$7.72M
115
$7.6M
116
$7.58M
117
$7.5M
118
$7.3M
119
$7.08M
120
$6.84M
121
$6.53M
122
$6.42M
123
$6.24M
124
$6.23M
125
$6.13M