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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
QIM
426
Quantitative Investment Management
Virginia
$403K
FRA
427
Frank Rimerman Advisors
California
$400K
LNWWM
428
Laird Norton Wetherby Wealth Management
California
$400K
NW
429
NewEdge Wealth
Pennsylvania
$392K
Envestnet Portfolio Solutions
430
Envestnet Portfolio Solutions
Illinois
$380K
MC
431
Mathes Company
New York
$377K
PCM
432
Peregrine Capital Management
Minnesota
$374K
SCA
433
Snowden Capital Advisors
New York
$370K
Group One Trading
434
Group One Trading
Illinois
$370K
MAS
435
Meeder Advisory Services
Ohio
$367K
CA
436
Clearstead Advisors
Ohio
$366K
HFM
437
Harvest Fund Management
China
$366K
OIA
438
OneDigital Investment Advisors
Kansas
$364K
Wolverine Trading
439
Wolverine Trading
Illinois
$362K
TFIPS
440
Towarzystwo Funduszy Inwestycyjnych PZU SA
$359K
ET
441
Entropy Technologies
New York
$359K
DT
442
Diversified Trust
Tennessee
$358K
KAS
443
Kestra Advisory Services
Texas
$353K
CBA
444
Coastal Bridge Advisors
Connecticut
$350K
CGPCS
445
Capital Group Private Client Services
California
$349K
CGH
446
Crossmark Global Holdings
Texas
$340K
NPA
447
Nichols & Pratt Advisers
Massachusetts
$340K
BPA
448
Beacon Pointe Advisors
California
$338K
BJL
449
Brighton Jones LLC
Washington
$336K
BCG
450
Breakwater Capital Group
New Jersey
$335K