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Alnylam Pharmaceuticals

645 hedge funds and large institutions have $43B invested in Alnylam Pharmaceuticals in 2025 Q2 according to their latest regulatory filings, with 96 funds opening new positions, 257 increasing their positions, 214 reducing their positions, and 62 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

3.41% more ownership

Funds ownership: 97.81%101.22% (+3.4%)

8% less call options, than puts

Call options by funds: $188M | Put options by funds: $203M

10% less funds holding in top 10

Funds holding in top 10: 109 (-1)

Holders
645
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
$188M
Puts
$203M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
VIA
401
Virtus Investment Advisers
Connecticut
$476K
SBF
402
Sara-Bay Financial
Florida
$473K
AAS
403
Avantax Advisory Services
Texas
$472K
EMCIP
404
Ewing Morris & Co Investment Partners
Ontario, Canada
$470K
FB
405
Fulton Bank
Pennsylvania
$463K
BPC
406
Banque Pictet & Cie
Switzerland
$454K
Cambridge Investment Research Advisors
407
Cambridge Investment Research Advisors
Iowa
$451K
SFA
408
Souders Financial Advisors
Ohio
$443K
SPIA
409
Steward Partners Investment Advisory
New York
$442K
VCM
410
Voleon Capital Management
California
$442K
WBC
411
Westpac Banking Corp
Australia
$442K
O
412
Ossiam
France
$442K
VT
413
Vise Technologies
New York
$435K
OAM
414
Oppenheimer Asset Management
New York
$433K
AAIS
415
ABN AMRO Investment Solutions
$427K
NSAM
416
North Star Asset Management
Wisconsin
$426K
BTI
417
Blue Trust Inc
Georgia
$422K
BIAS
418
Beacon Investment Advisory Services
New Jersey
$421K
PMFA
419
Plante Moran Financial Advisors
Michigan
$419K
ALAM
420
Asahi Life Asset Management
Japan
$417K
FRM
421
Fox Run Management
Connecticut
$412K
TAA
422
TB Alternative Assets
Cayman Islands
$411K
CWM
423
Crowley Wealth Management
Delaware
$408K
CI
424
Cigna Investments
Connecticut
$406K
BS
425
Banco Santander
Spain
$406K