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Alnylam Pharmaceuticals

817 hedge funds and large institutions have $59.2B invested in Alnylam Pharmaceuticals in 2025 Q3 according to their latest regulatory filings, with 224 funds opening new positions, 279 increasing their positions, 222 reducing their positions, and 49 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 capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

26% more repeat investments, than reductions

Existing positions increased: 279 | Existing positions reduced: 222

2.27% less ownership

Funds ownership: 101.28%99.02% (-2.3%)

13% less call options, than puts

Call options by funds: $562M | Put options by funds: $649M

Holders
817
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
13
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$562M
Puts
$649M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
NAM
451
NorthCrest Asset Manangement
Minnesota
$738K
Walleye Trading
452
Walleye Trading
New York
$727K
SBFM
453
S-Bank Fund Management
Finland
$726K
DT
454
Diversified Trust
Tennessee
$716K
LWCFA
455
Loring Wolcott & Coolidge Fiduciary Advisors
Massachusetts
$711K
FFM
456
Forum Financial Management
Illinois
$710K
O
457
Ossiam
France
$710K
FB
458
Fulton Bank
Pennsylvania
$704K
OCM
459
Orser Capital Management
Texas
$704K
TRCT
460
Tower Research Capital (TRC)
New York
$701K
NA
461
NewEdge Advisors
Louisiana
$695K
HNWAG
462
High Net Worth Advisory Group
Florida
$684K
CAS
463
CTC Alternative Strategies
Illinois
$682K
HWM
464
HB Wealth Management
Georgia
$673K
PAS
465
Point72 Asia (Singapore)
Singapore
$673K
QI
466
Qtron Investments
Massachusetts
$671K
FRM
467
Fox Run Management
Connecticut
$668K
VIA
468
Virtus Investment Advisers
Connecticut
$665K
SBF
469
Sara-Bay Financial
Florida
$661K
SPIA
470
Steward Partners Investment Advisory
New York
$658K
SFA
471
Souders Financial Advisors
Ohio
$649K
PAG
472
Private Advisory Group
Washington
$647K
LAM
473
LECAP Asset Management
United Kingdom
$647K
FGP
474
Freestone Grove Partners
California
$644K
NG
475
Norden Group
Utah
$643K