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Alnylam Pharmaceuticals
ALNY

Overview Fund Activity

494 hedge funds and large institutions have $22.6B invested in Alnylam Pharmaceuticals in 2023 Q4 according to their latest regulatory filings, with 95 funds opening new positions, 166 increasing their positions, 158 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
494
Holders Change
+45
Holders Change %
+10.02%
% of All Funds
7.24%
Holding in Top 10
6
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+50%
% of All Funds
0.09%
New
95
Increased
166
Reduced
158
Closed
44
Calls
$267M
Puts
$321M
Net Calls
-$54.7M
Net Calls Change
-$24.4M

Top Buyers

1
Norges Bank
Norges Bank
Norway
$390M
2
Wellington Management Group
Wellington Management Group
Massachusetts
$1.38B
3
Capital International Investors
Capital International Investors
California
$687M
4
Morgan Stanley
Morgan Stanley
New York
$309M
5
Vanguard Group
Vanguard Group
Pennsylvania
$2.29B

Top Sellers

1
Baillie Gifford & Co
Baillie Gifford & Co
United Kingdom
$1.33B
2
Fidelity Investments
Fidelity Investments
Massachusetts
$1.97B
3
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
$21.5M
4
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$667M
5
Capital World Investors
Capital World Investors
California
$3.1B
Name Holding Trade Value Shares
Change 		Shares
Change %
AGP
501
Artia Global Partners
Florida
– -$2.83M -15,971 Closed
IMRF
502
Illinois Municipal Retirement Fund
Illinois
– -$2.77M -15,644 Closed
HT
503
HAP Trading
New York
– -$2.01M -11,351 Closed
XT
504
XTX Topco
Cayman Islands
– -$1.56M -8,836 Closed
DILIC
505
Dai-ichi Life Insurance Company
Japan
– -$1.26M -7,100 Closed
OPERF
506
Oregon Public Employees Retirement Fund
Oregon
– -$1.21M -6,819 Closed
Twin Tree Management
507
Twin Tree Management
Texas
– -$1.11M -6,289 Closed
EC
508
Estate Counselors
Wisconsin
– -$1.07M -6,060 Closed
OAC
509
OMERS Administration Corp
Ontario, Canada
– -$708K -4,000 Closed
BJL
510
Brighton Jones LLC
Washington
– -$693K -3,912 Closed
SCM
511
Soleus Capital Management
Connecticut
– -$691K -3,900 Closed
Two Sigma Investments
512
Two Sigma Investments
New York
– -$584K -3,300 Closed
PM
513
Parametrica Management
Hong Kong
– -$570K -3,221 Closed
FI
514
Fosun International
China
– -$483K -2,730 Closed
HF
515
HRT Financial
New York
– -$370K -2,090 Closed
NRD
516
Nebula Research & Development
New York
– -$370K -2,089 Closed
BCV
517
Banque Cantonale Vaudoise
Switzerland
– -$365K -2,058 Closed
LBC
518
Lawrence B. Cohen
– -$319K -1,800 Closed
FMAEN1
519
Fund Management at Engine No 1
California
– -$317K -1,789 Closed
IC
520
IEQ Capital
California
– -$273K -1,540 Closed
CG
521
Cutler Group
California
– -$265K -1,500 Closed
GCM
522
Graham Capital Management
Connecticut
– -$253K -1,427 Closed
Verition Fund Management
523
Verition Fund Management
Connecticut
– -$246K -1,391 Closed
EWA
524
EP Wealth Advisors
California
– -$208K -1,177 Closed
HT
525
Headlands Technologies
Illinois
– -$203K -1,146 Closed
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