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Alnylam Pharmaceuticals

802 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, 272 increasing their positions, 219 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: 272 | Existing positions reduced: 219

2.48% less ownership

Funds ownership: 101.22%98.74% (-2.5%)

13% less call options, than puts

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

Holders
802
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
GIBU
301
Gulf International Bank (UK)
United Kingdom
$2.91M
Pathstone Holdings
302
Pathstone Holdings
New Jersey
$2.87M
Point72 Asset Management
303
Point72 Asset Management
Connecticut
$2.83M
MSRPS
304
Maryland State Retirement & Pension System
Maryland
$2.82M
BHCM
305
Brevan Howard Capital Management
Jersey
$2.81M
Mirae Asset Global Investments
306
Mirae Asset Global Investments
South Korea
$2.81M
Wolverine Trading
307
Wolverine Trading
Illinois
$2.8M
TAM
308
Thematics Asset Management
France
$2.79M
BCM
309
Bridgeway Capital Management
Texas
$2.75M
Bank of Nova Scotia
310
Bank of Nova Scotia
Ontario, Canada
$2.71M
IIM
311
INTECH Investment Management
Florida
$2.65M
A
312
AustralianSuper
Australia
$2.62M
EOJOAM
313
E. Ohman J:or Asset Management
Sweden
$2.6M
US Bancorp
314
US Bancorp
Minnesota
$2.57M
GC
315
Gilbert & Cook
Iowa
$2.51M
CIBC Asset Management
316
CIBC Asset Management
Ontario, Canada
$2.51M
DILIC
317
Dai-ichi Life Insurance Company
Japan
$2.49M
MFS
318
Mirabella Financial Services
United Kingdom
$2.48M
Principal Financial Group
319
Principal Financial Group
Iowa
$2.47M
BCI
320
Brinker Capital Investments
Pennsylvania
$2.46M
WMA
321
West Michigan Advisors
Michigan
$2.46M
VA
322
Vident Advisory
Georgia
$2.39M
AI
323
Atria Investments
North Carolina
$2.37M
GIA
324
Gateway Investment Advisers
Ohio
$2.34M
FPAS
325
Focus Partners Advisor Solutions
Missouri
$2.28M