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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
FFO
501
Fortitude Family Office
Arizona
$169K
Northwestern Mutual Wealth Management
502
Northwestern Mutual Wealth Management
Wisconsin
$162K
VT
503
Volterra Technologies
New York
$160K
MCM
504
MAI Capital Management
Ohio
$159K
BIG
505
Brooklyn Investment Group
New York
$157K
CCA
506
Catalyst Capital Advisors
New York
$148K
EWA
507
EverSource Wealth Advisors
Alabama
$143K
OAM
508
Ostrum Asset Management
France
$128K
VCM
509
Versant Capital Management
Arizona
$126K
IWA
510
Icon Wealth Advisors
Texas
$126K
HFS
511
Hantz Financial Services
Michigan
$124K
FFA
512
Farther Finance Advisors
California
$123K
T
513
TOBAM
France
$115K
Walleye Trading
514
Walleye Trading
New York
$112K
C
515
Covestor
United Kingdom
$111K
HI
516
Horizon Investments
North Carolina
$111K
OIAM
517
OFI Invest Asset Management
France
$106K
IA
518
IFP Advisors
Florida
$81.5K
EPIM
519
Evelyn Partners Investment Management
$81.4K
GWM
520
Geneos Wealth Management
Colorado
$77.6K
LFG
521
Larson Financial Group
Missouri
$72.4K
SWM
522
Spire Wealth Management
Virginia
$66.8K
CWP
523
Concord Wealth Partners
Virginia
$65.2K
AIM
524
Anchor Investment Management
South Carolina
$65.2K
MPWT
525
MassMutual Private Wealth & Trust
Connecticut
$63.9K