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Alnylam Pharmaceuticals

402 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, 121 reducing their positions, and 41 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
402
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 +$65.6M
2 +$52.5M
3 +$43.5M
4
BlackRock
BlackRock
New York
+$42.1M
5
PCH
Polar Capital Holdings
United Kingdom
+$36.7M

Top Sellers

1 -$339M
2 -$54.2M
3 -$50.3M
4
ACA
Avoro Capital Advisors
New York
-$28.1M
5
JP Morgan Chase
JP Morgan Chase
New York
-$26.8M
Name Holding Trade Value Shares
Change
Change in
Stake
301
$315K
302
$302K
303
$302K
304
$297K
305
$293K
306
$292K
307
$289K
308
$283K
309
$283K
310
$277K
311
$276K
312
$264K
313
$261K
314
$254K
315
$246K
316
$246K
317
$245K
318
$243K
319
$238K
320
$237K
321
$234K
322
$233K
323
$229K
324
$227K
325
$223K