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Alnylam Pharmaceuticals

806 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, 274 increasing their positions, 221 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: 274 | Existing positions reduced: 221

2.46% less ownership

Funds ownership: 101.24%98.78% (-2.5%)

13% less call options, than puts

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

Holders
806
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
EPIM
676
Evelyn Partners Investment Management
$79.8K
BBHC
677
Brown Brothers Harriman & Co
New York
$78.9K
IUHSA
678
Itau Unibanco Holding S.A.
Brazil
$76.6K
CAL
679
Capital Advisors Ltd
Ohio
$74K
AFWM
680
Abich Financial Wealth Management
Virginia
$67K
FHC
681
First Horizon Corporation
Tennessee
$61.6K
BLC
682
Brown, Lisle/Cummings
Rhode Island
$60.2K
HI
683
Harbour Investments
Wisconsin
$57.9K
PPC
684
Park Place Capital
Alabama
$57.5K
CPG
685
Cornerstone Planning Group
New Jersey
$56.2K
AAS
686
Ameritas Advisory Services
Nebraska
$52.9K
WTC
687
WhitTier Trust Company
Nevada
$52.5K
RF
688
Rossby Financial
Florida
$51.6K
HNB
689
Huntington National Bank
Ohio
$46.1K
HFM
690
Hartford Financial Management
Connecticut
$45.6K
WIM
691
Westside Investment Management
California
$44.2K
HNB
692
Hilltop National Bank
Wyoming
$41.5K
HWM
693
Hemington Wealth Management
Virginia
$40K
NFSG
694
Newbridge Financial Services Group
Florida
$38.9K
QC
695
Quent Capital
New York
$38.8K
OP
696
ORG Partners
Indiana
$36.5K
ACM
697
Aster Capital Management
United Arab Emirates
$35.6K
TFA
698
Transamerica Financial Advisors
Florida
$35.1K
TFM
699
TFC Financial Management
Massachusetts
$33.7K
S
700
Sachetta
Massachusetts
$33.3K