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Alnylam Pharmaceuticals
ALNY

Overview Fund Activity

585 hedge funds and large institutions have $30B invested in Alnylam Pharmaceuticals in 2024 Q4 according to their latest regulatory filings, with 95 funds opening new positions, 234 increasing their positions, 180 reducing their positions, and 61 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
585
Holders Change
+25
Holders Change %
+4.46%
% of All Funds
7.79%
Holding in Top 10
4
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-42.86%
% of All Funds
0.05%
New
95
Increased
234
Reduced
180
Closed
61
Calls
$195M
Puts
$166M
Net Calls
+$29M
Net Calls Change
-$10.2M

Top Buyers

1
Capital Research Global Investors
1
Capital Research Global Investors
California
$1.64B
2
T. Rowe Price Investment Management
2
T. Rowe Price Investment Management
Maryland
$1.03B
3
Qube Research & Technologies (QRT)
3
Qube Research & Technologies (QRT)
United Kingdom
$114M
4
Marshall Wace
4
Marshall Wace
United Kingdom
$89.1M
5
AQR Capital Management
5
AQR Capital Management
Connecticut
$191M

Top Sellers

1
Capital International Investors
1
Capital International Investors
California
$334M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$3.17B
3
Baillie Gifford & Co
3
Baillie Gifford & Co
United Kingdom
$951M
4
Wellington Management Group
4
Wellington Management Group
Massachusetts
$988M
5
Pictet Asset Management
5
Pictet Asset Management
Switzerland
$101M
Name Holding Trade Value Shares
Change 		Shares
Change %
PI
601
PineBridge Investments
New York
– -$2.26M -8,222 Closed
NIP
602
Nicholas Investment Partners
California
– -$2.07M -7,526 Closed
CL
603
CSS LLC
Illinois
– -$2.06M -7,500 Closed
SFM
604
Sphera Funds Management
Israel
– -$1.93M -7,000 Closed
PAMP
605
Polar Asset Management Partners
Ontario, Canada
– -$1.62M -5,900 Closed
LIP
606
Lighthouse Investment Partners
Florida
– -$1.38M -5,000 Closed
WI
607
WBI Investments
New Jersey
– -$1.32M -4,804 Closed
ACM
608
Aster Capital Management
United Arab Emirates
– -$979K -3,558 Closed
PP
609
PDT Partners
New York
– -$958K -3,484 Closed
Tudor Investment Corp
610
Tudor Investment Corp
Connecticut
– -$931K -3,386 Closed
OMC
611
Old Mission Capital
Illinois
– -$857K -3,115 Closed
SCM
612
Semanteon Capital Management
Massachusetts
– -$759K -2,758 Closed
BFM
613
Boothbay Fund Management
New York
– -$703K -2,556 Closed
LAM
614
LECAP Asset Management
United Kingdom
– -$669K -2,433 Closed
SOADOR
615
State of Alaska Department of Revenue
Alaska
– -$558K -2,030 Closed
FTDI
616
First Trust Direct Indexing
Massachusetts
– -$521K -1,895 Closed
CAM
617
Cresset Asset Management
Illinois
– -$461K -1,675 Closed
Capstone Investment Advisors
618
Capstone Investment Advisors
New York
– -$455K -1,653 Closed
HS
619
HighVista Strategies
Massachusetts
– -$427K -1,551 Closed
CIP
620
Convergence Investment Partners
Florida
– -$416K -1,513 Closed
I
621
InceptionR
California
– -$337K -1,224 Closed
CGH
622
Crossmark Global Holdings
Texas
– -$251K -914 Closed
EL
623
Essex LLC
Illinois
– -$217K -788 Closed
A
624
Allianz
Germany
– -$209K -760 Closed
HCM
625
Howard Capital Management
Georgia
– -$208K -756 Closed
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