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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
HNB
526
Huntington National Bank
Ohio
$63.6K
Bessemer Group
527
Bessemer Group
New Jersey
$63K
New York State Teachers Retirement System (NYSTRS)
528
New York State Teachers Retirement System (NYSTRS)
New York
$62K
EDRH
529
Edmond de Rothschild Holding
Switzerland
$61.3K
FHA
530
First Horizon Advisors
Tennessee
$61K
SC
531
Steph & Co
Wisconsin
$60.3K
PWMG
532
Prestige Wealth Management Group
New Jersey
$60K
WTA
533
Washington Trust Advisors
Massachusetts
$59.3K
PFBT
534
Parkside Financial Bank & Trust
Missouri
$58.4K
IUHSA
535
Itau Unibanco Holding S.A.
Brazil
$54.8K
CAL
536
Capital Advisors Ltd
Ohio
$53K
BBHC
537
Brown Brothers Harriman & Co
New York
$50.2K
GRP
538
Global Retirement Partners
California
$49.2K
AAP
539
Arax Advisory Partners
Colorado
$48.9K
BLC
540
Brown, Lisle/Cummings
Rhode Island
$43K
A
541
AlphaQuest
New York
$43K
AAS
542
Ameritas Advisory Services
Nebraska
$41.7K
MYIA
543
Mount Yale Investment Advisors
Colorado
$36.8K
PD
544
Point72 (DIFC)
United Arab Emirates
$34.2K
HFM
545
Hartford Financial Management
Connecticut
$32.6K
CIA
546
Cape Investment Advisory
Georgia
$32.6K
HI
547
Harbour Investments
Wisconsin
$31.3K
AUB
548
Atlantic Union Bankshares
Virginia
$30K
HWM
549
Hemington Wealth Management
Virginia
$28K
Fifth Third Bancorp
550
Fifth Third Bancorp
Ohio
$24.8K