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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
I
301
InceptionR
California
$1.49M
AAM
302
Advisors Asset Management
Colorado
$1.48M
CB
303
Commerce Bank
Missouri
$1.48M
OAC
304
OMERS Administration Corp
Ontario, Canada
$1.47M
IIM
305
INTECH Investment Management
Florida
$1.44M
CL
306
Choreo LLC
Illinois
$1.44M
BCI
307
Brinker Capital Investments
Pennsylvania
$1.41M
CT
308
Clearstead Trust
Maine
$1.4M
AI
309
Atria Investments
North Carolina
$1.39M
ProShare Advisors
310
ProShare Advisors
Maryland
$1.38M
BM
311
Brandywine Managers
Delaware
$1.38M
A
312
AustralianSuper
Australia
$1.38M
CI Investments Inc
313
CI Investments Inc
Ontario, Canada
$1.34M
PP
314
Prudential plc
United Kingdom
$1.34M
PIM
315
Plato Investment Management
Australia
$1.34M
Truist Financial
316
Truist Financial
North Carolina
$1.31M
HCM
317
Howland Capital Management
Massachusetts
$1.3M
GC
318
Gilbert & Cook
Iowa
$1.3M
VFA
319
Values First Advisors
Tennessee
$1.29M
VA
320
Vident Advisory
Georgia
$1.28M
SFA
321
Sequoia Financial Advisors
Ohio
$1.28M
SC
322
Savant Capital
Illinois
$1.23M
EFM
323
E Fund Management
China
$1.17M
WG
324
Winton Group
United Kingdom
$1.15M
CAPTRUST Financial Advisors
325
CAPTRUST Financial Advisors
North Carolina
$1.14M