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Alnylam Pharmaceuticals

812 hedge funds and large institutions have $59B invested in Alnylam Pharmaceuticals in 2025 Q3 according to their latest regulatory filings, with 222 funds opening new positions, 278 increasing their positions, 221 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 repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

25% more funds holding

Funds holding: 649812 (+163)

2.47% less ownership

Funds ownership: 101.29%98.81% (-2.5%)

13% less call options, than puts

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

Holders
812
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
NYLIM
451
New York Life Investment Management
New York
$743K
NAM
452
NorthCrest Asset Manangement
Minnesota
$738K
Walleye Trading
453
Walleye Trading
New York
$727K
SBFM
454
S-Bank Fund Management
Finland
$726K
DT
455
Diversified Trust
Tennessee
$716K
LWCFA
456
Loring Wolcott & Coolidge Fiduciary Advisors
Massachusetts
$711K
FFM
457
Forum Financial Management
Illinois
$710K
O
458
Ossiam
France
$710K
FB
459
Fulton Bank
Pennsylvania
$704K
OCM
460
Orser Capital Management
Texas
$704K
TRCT
461
Tower Research Capital (TRC)
New York
$701K
NA
462
NewEdge Advisors
Louisiana
$695K
HNWAG
463
High Net Worth Advisory Group
Florida
$684K
CAS
464
CTC Alternative Strategies
Illinois
$682K
HWM
465
HB Wealth Management
Georgia
$673K
PAS
466
Point72 Asia (Singapore)
Singapore
$673K
QI
467
Qtron Investments
Massachusetts
$671K
FRM
468
Fox Run Management
Connecticut
$668K
VIA
469
Virtus Investment Advisers
Connecticut
$665K
SBF
470
Sara-Bay Financial
Florida
$661K
SPIA
471
Steward Partners Investment Advisory
New York
$658K
SFA
472
Souders Financial Advisors
Ohio
$649K
PAG
473
Private Advisory Group
Washington
$647K
LAM
474
LECAP Asset Management
United Kingdom
$647K
FGP
475
Freestone Grove Partners
California
$644K