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Arcellx
ACLX

Overview Fund Activity

195 hedge funds and large institutions have $4.04B invested in Arcellx in 2025 Q1 according to their latest regulatory filings, with 25 funds opening new positions, 74 increasing their positions, 68 reducing their positions, and 39 closing their positions.

Holders
195
Holders Change
-15
Holders Change %
-7.14%
% of All Funds
2.65%
Holding in Top 10
14
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+16.67%
% of All Funds
0.19%
New
25
Increased
74
Reduced
68
Closed
39
Calls
$51.8M
Puts
$19.6M
Net Calls
+$32.2M
Net Calls Change
+$29.7M

Top Buyers

1
VPC
1
Vestal Point Capital
New York
$157M
2
T. Rowe Price Investment Management
2
T. Rowe Price Investment Management
Maryland
$109M
3
Citadel Advisors
3
Citadel Advisors
Florida
$47.6M
4
Vanguard Group
4
Vanguard Group
Pennsylvania
$261M
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$44.8M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$414M
2
PA
2
Perceptive Advisors
New York
$192M
3
Lord, Abbett & Co
3
Lord, Abbett & Co
New Jersey
$43.6M
4
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$121M
5
CAM
5
Cormorant Asset Management
Massachusetts
$68.9M
Name Market Value Shares Shares
Change 		Shares
Change %
Legal & General Group
76
Legal & General Group
United Kingdom
$2.73M 41,607 -1,426 -3%
State of Wisconsin Investment Board
77
State of Wisconsin Investment Board
Wisconsin
$2.5M 38,103 +3,771 +11%
SGA
78
Sector Gamma AS
Norway
$2.3M 35,000 +35,000 New
DekaBank Deutsche Girozentrale
79
DekaBank Deutsche Girozentrale
Germany
$2.12M 30,000 – –
California State Teachers Retirement System (CalSTRS)
80
California State Teachers Retirement System (CalSTRS)
California
$1.99M 30,336 -625 -2%
Invesco
81
Invesco
Georgia
$1.98M 30,242 +3,692 +14%
Mirae Asset Global ETFs Holdings
82
Mirae Asset Global ETFs Holdings
Hong Kong
$1.89M 28,753 +1,390 +5%
TE
83
Tema ETFs
New York
$1.87M 28,450 +20,982 +281%
NIM
84
NEOS Investment Management
Connecticut
$1.87M 28,450 +20,982 +281%
Franklin Resources
85
Franklin Resources
California
$1.77M 27,007 -25,290 -48%
EF
86
Empowered Funds
Pennsylvania
$1.77M 26,954 +26,954 New
Wells Fargo
87
Wells Fargo
California
$1.76M 26,834 +196 +0.7%
MIM
88
MetLife Investment Management
New Jersey
$1.68M 25,610 -448 -2%
CAM
89
Congress Asset Management
Massachusetts
$1.65M 25,107 -214 -0.8%
HCA
90
Harbor Capital Advisors
Illinois
$1.5M 22,836 -629 -3%
IIM
91
INTECH Investment Management
Florida
$1.44M 21,967 +4,760 +28%
EAM
92
Erste Asset Management
Austria
$1.43M 21,000 – –
CF
93
Corebridge Financial
Texas
$1.41M 21,428 -2 -0%
Wellington Management Group
94
Wellington Management Group
Massachusetts
$1.21M 18,439 -1,254 -6%
AQR Capital Management
95
AQR Capital Management
Connecticut
$1.12M 17,140 -3,108 -15%
PHS
96
PFM Health Sciences
California
$1.02M 15,488 -41,115 -73%
Creative Planning
97
Creative Planning
Kansas
$1.01M 15,415 +11,222 +268%
Marshall Wace
98
Marshall Wace
United Kingdom
$1.01M 15,400 +15,400 New
DMKJ
99
David M. Knott Jr
$984K 15,000 +15,000 New
SO
100
STRS Ohio
Ohio
$938K 14,300 – –
2 3
4
5 6