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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
GC
276
Guggenheim Capital
Illinois
$3.93M
NG
277
NWK Group
California
$3.89M
CFM
278
Catalyst Funds Management
Australia
$3.79M
GCM
279
Genus Capital Management
British Columbia, Canada
$3.77M
SCI
280
S&CO Inc
Massachusetts
$3.74M
LA
281
LBP AM
France
$3.73M
DJSG
282
D.J. St. Germain
Massachusetts
$3.72M
MIM
283
MetLife Investment Management
New Jersey
$3.64M
KRS
284
Kentucky Retirement Systems
Kentucky
$3.57M
WAM
285
Wolverine Asset Management
Illinois
$3.56M
PP
286
Prudential plc
United Kingdom
$3.51M
CAPTRUST Financial Advisors
287
CAPTRUST Financial Advisors
North Carolina
$3.5M
NW
288
NewEdge Wealth
Pennsylvania
$3.47M
SC
289
SummitTX Capital
Texas
$3.43M
CI Investments Inc
290
CI Investments Inc
Ontario, Canada
$3.29M
JPMIA
291
J.P. Marvel Investment Advisors
Massachusetts
$3.24M
ASN
292
Advisory Services Network
Georgia
$3.19M
TI
293
Tidal Investments
Wisconsin
$3.14M
CM
294
Capula Management
Cayman Islands
$3.14M
M&T Bank
295
M&T Bank
New York
$3.1M
WG
296
Winton Group
United Kingdom
$3.1M
BAMF
297
BI Asset Management Fondsmaeglerselskab
Denmark
$3.06M
Focus Partners Wealth
298
Focus Partners Wealth
Massachusetts
$2.99M
SC
299
Savant Capital
Illinois
$2.99M
Truist Financial
300
Truist Financial
North Carolina
$2.95M