ALNY icon

Alnylam Pharmaceuticals

802 hedge funds and large institutions have $59B invested in Alnylam Pharmaceuticals in 2025 Q3 according to their latest regulatory filings, with 221 funds opening new positions, 272 increasing their positions, 219 reducing their positions, and 48 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:

24% more repeat investments, than reductions

Existing positions increased: 272 | Existing positions reduced: 219

2.48% less ownership

Funds ownership: 101.22%98.74% (-2.5%)

13% less call options, than puts

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

Holders
802
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
DT
451
Diversified Trust
Tennessee
$716K
LWCFA
452
Loring Wolcott & Coolidge Fiduciary Advisors
Massachusetts
$711K
FFM
453
Forum Financial Management
Illinois
$710K
O
454
Ossiam
France
$710K
FB
455
Fulton Bank
Pennsylvania
$704K
OCM
456
Orser Capital Management
Texas
$704K
TRCT
457
Tower Research Capital (TRC)
New York
$701K
NA
458
NewEdge Advisors
Louisiana
$695K
HNWAG
459
High Net Worth Advisory Group
Florida
$684K
HWM
460
HB Wealth Management
Georgia
$673K
PAS
461
Point72 Asia (Singapore)
Singapore
$673K
QI
462
Qtron Investments
Massachusetts
$671K
FRM
463
Fox Run Management
Connecticut
$668K
VIA
464
Virtus Investment Advisers
Connecticut
$665K
SBF
465
Sara-Bay Financial
Florida
$661K
SPIA
466
Steward Partners Investment Advisory
New York
$658K
SFA
467
Souders Financial Advisors
Ohio
$649K
PAG
468
Private Advisory Group
Washington
$647K
LAM
469
LECAP Asset Management
United Kingdom
$647K
FGP
470
Freestone Grove Partners
California
$644K
NG
471
Norden Group
Utah
$643K
JSAM
472
J. Safra Asset Management
New York
$636K
BPC
473
Banque Pictet & Cie
Switzerland
$632K
WBC
474
Westpac Banking Corp
Australia
$618K
CSS
475
Cubist Systematic Strategies
Connecticut
$616K