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Alnylam Pharmaceuticals

496 hedge funds and large institutions have $22.6B invested in Alnylam Pharmaceuticals in 2023 Q4 according to their latest regulatory filings, with 96 funds opening new positions, 166 increasing their positions, 159 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more funds holding

Funds holding:

more capital invested

Capital invested by funds: $ → $

4% more repeat investments, than reductions

Existing positions increased: 166 | Existing positions reduced: 159

0.29% less ownership

Funds ownership: 94.21%93.91% (-0.29%)

17% less call options, than puts

Call options by funds: $267M | Put options by funds: $321M

Holders
496
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$267M
Puts
$321M
Net Calls
Net Calls Change

Top Buyers

1 +$144M
2 +$133M
3 +$83.3M
4
Morgan Stanley
Morgan Stanley
New York
+$68.8M
5
Vanguard Group
Vanguard Group
Pennsylvania
+$48.9M
Name Holding Trade Value Shares
Change
Change in
Stake
476
$1.15K
477
$1.15K
478
$1.15K
479
$1K
480
$1K
481
$957
482
$901
483
$766
484
$766
485
$766
486
$765
487
$706
488
$575
489
$575
490
$575
491
$394
492
$383
493
$383
494
$192
495
$192
496
$191
497
$3
498
499
500