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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
PA
276
Profund Advisors
Maryland
$2.09M
HSA
277
Hussman Strategic Advisors
Maryland
$2.05M
IC
278
IEQ Capital
California
$2M
TAM
279
Thematics Asset Management
France
$2M
Pathstone Holdings
280
Pathstone Holdings
New Jersey
$1.98M
MSRPS
281
Maryland State Retirement & Pension System
Maryland
$1.96M
GIA
282
Gateway Investment Advisers
Ohio
$1.92M
ALMGDA
283
AG2R La Mondiale Gestion d'Actifs
France
$1.9M
BCV
284
Banque Cantonale Vaudoise
Switzerland
$1.87M
Verition Fund Management
285
Verition Fund Management
Connecticut
$1.86M
EOJOAM
286
E. Ohman J:or Asset Management
Sweden
$1.86M
TI
287
Tidal Investments
Wisconsin
$1.82M
Carson Wealth (CWM LLC)
288
Carson Wealth (CWM LLC)
Nebraska
$1.8M
CIBC Asset Management
289
CIBC Asset Management
Ontario, Canada
$1.78M
CWM
290
CIBC World Markets
New York
$1.77M
KIA
291
Knollwood Investment Advisory
Maryland
$1.75M
NIM
292
NEOS Investment Management
Connecticut
$1.73M
TE
293
Tema ETFs
New York
$1.73M
Wealth Enhancement Advisory Services
294
Wealth Enhancement Advisory Services
Minnesota
$1.7M
BC
295
Burney Company
Virginia
$1.68M
SPS
296
Susquehanna Portfolio Strategies
Pennsylvania
$1.63M
SC
297
SummitTX Capital
Texas
$1.57M
Mirae Asset Global Investments
298
Mirae Asset Global Investments
South Korea
$1.56M
US Bancorp
299
US Bancorp
Minnesota
$1.53M
MGP
300
Metis Global Partners
California
$1.51M