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Alnylam Pharmaceuticals
ALNY

Overview Fund Activity

646 hedge funds and large institutions have $43B invested in Alnylam Pharmaceuticals in 2025 Q2 according to their latest regulatory filings, with 97 funds opening new positions, 257 increasing their positions, 214 reducing their positions, and 63 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
646
Holders Change
+28
Holders Change %
+4.53%
% of All Funds
8.66%
Holding in Top 10
9
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-10%
% of All Funds
0.12%
New
97
Increased
257
Reduced
214
Closed
63
Calls
$188M
Puts
$203M
Net Calls
-$15.5M
Net Calls Change
-$50.8M

Top Buyers

1
Citadel Advisors
Citadel Advisors
Florida
$196M
2
Holocene Advisors
Holocene Advisors
New York
$195M
3
ClearBridge Investments
ClearBridge Investments
New York
$182M
4
Macquarie Group
Macquarie Group
Australia
$196M
5
Fidelity Investments
Fidelity Investments
Massachusetts
$5.15B

Top Sellers

1
AQR Capital Management
AQR Capital Management
Connecticut
$61.3M
2
Baillie Gifford & Co
Baillie Gifford & Co
United Kingdom
$989M
3
Wellington Management Group
Wellington Management Group
Massachusetts
$677M
4
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$1.03B
5
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
AW
576
Avion Wealth
Texas
$12K +$6.32K +20 +111%
GSWM
577
Golden State Wealth Management
California
$11.7K +$11.7K +36 New
BIA
578
Bell Investment Advisors
California
$11.4K -$652 -2 -5%
JWA
579
JFS Wealth Advisors
Pennsylvania
$11.4K – – –
BWL
580
Bogart Wealth LLC
Virginia
$11.4K – – –
MLA
581
MB, Levis & Associates
Pennsylvania
$11.4K +$11.4K +35 New
PTC
582
Private Trust Company
Ohio
$10.4K +$10.4K +32 New
MAM
583
Meeder Asset Management
Ohio
$10.1K +$1.63K +5 +19%
TWC
584
TD Waterhouse Canada
Ontario, Canada
$9.65K – – –
SC
585
SouthState Corp
Florida
$8.48K +$1.63K +5 +24%
TCM
586
TD Capital Management
Tennessee
$7.5K +$7.5K +23 New
CH
587
Cromwell Holdings
Wyoming
$6.52K +$4.57K +14 +233%
DWM
588
Dogwood Wealth Management
Kansas
$6.35K +$5.72K +18 +900%
TPWA
589
Twin Peaks Wealth Advisors
California
$6.26K +$6.26K +15 New
TH
590
TCTC Holdings
Texas
$6.2K – – –
SFA
591
Semmax Financial Advisors
North Carolina
$6.15K – – –
EPW
592
Evergreen Private Wealth
Colorado
$5.54K +$5.54K +17 New
RAM
593
Riggs Asset Management
Pennsylvania
$5.54K +$5.54K +17 New
CTC
594
Cetera Trust Company
Minnesota
$5.22K – – –
HFS
595
Hughes Financial Services
Virginia
$5.14K +$1.71K +4 +50%
SAM
596
Sherman Asset Management
California
$4.89K – – –
STB
597
S&T Bank
Pennsylvania
$4.89K +$2.94K +9 +150%
TWD
598
True Wealth Design
Ohio
$4.6K -$93.6K -285 -95%
TCOV
599
Trust Company of Vermont
Vermont
$4.57K – – –
CWIG
600
Chung Wu Investment Group
Texas
$4.24K +$4.24K +13 New
22 23
24
25 26