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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
GCM
451
Greenland Capital Management
New York
$326K
WP
452
Westmount Partners
California
$326K
LS
453
Livforsakringsbolaget Skandia
Sweden
$325K
JAM
454
Jupiter Asset Management
United Kingdom
$318K
NL
455
NWAM LLC
Washington
$310K
SFC
456
SYM Financial Corp
Indiana
$308K
FIM
457
Freedom Investment Management
Connecticut
$305K
HWA
458
HCR Wealth Advisors
California
$301K
SWP
459
Sagespring Wealth Partners
Tennessee
$299K
HH
460
Hilltop Holdings
Texas
$299K
National Bank of Canada
461
National Bank of Canada
Quebec, Canada
$294K
NRD
462
Nebula Research & Development
New York
$293K
HI
463
Humankind Investments
New York
$292K
PCP
464
Proficio Capital Partners
Massachusetts
$288K
PAG
465
Poinciana Advisors Group
Florida
$284K
HWM
466
HB Wealth Management
Georgia
$284K
HCM
467
Howard Capital Management
Georgia
$271K
CD
468
Chapin Davis
Maryland
$269K
WFI
469
West Family Investments
California
$268K
PAS
470
Point72 Asia (Singapore)
Singapore
$267K
PA
471
Parallel Advisors
California
$266K
FPAS
472
Focus Partners Advisor Solutions
Missouri
$263K
IC
473
Iconiq Capital
California
$263K
MF
474
Meridian Financial
Massachusetts
$261K
EI
475
Ellevest Inc
New York
$258K