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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
226
$940K
227
$935K
228
$927K
229
$902K
230
$898K
231
$870K
232
$864K
233
$806K
234
$800K
235
$783K
236
$763K
237
$753K
238
$752K
239
$736K
240
$717K
241
$714K
242
$709K
243
$697K
244
$686K
245
$686K
246
$674K
247
$661K
248
$650K
249
$647K
250
$645K