ACLX icon

Arcellx

218 hedge funds and large institutions have $4.34B invested in Arcellx in 2025 Q4 according to their latest regulatory filings, with 42 funds opening new positions, 72 increasing their positions, 70 reducing their positions, and 30 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding

Funds holding:

more ownership

Funds ownership:

3% more repeat investments, than reductions

Existing positions increased: 72 | Existing positions reduced: 70

16% less capital invested

Capital invested by funds: $5.18B → $4.34B (-$832M)

36% less funds holding in top 10

Funds holding in top 10: 117 (-4)

Holders
218
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
7
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$21.8M
Puts
$16.4M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
SEI Investments
101
SEI Investments
Pennsylvania
$1.02M
IIM
102
INTECH Investment Management
Florida
$980K
TI
103
Trexquant Investment
Connecticut
$972K
JRP
104
Jasper Ridge Partners
California
$909K
Handelsbanken Fonder
105
Handelsbanken Fonder
Sweden
$848K
HighTower Advisors
106
HighTower Advisors
Illinois
$819K
SG Americas Securities
107
SG Americas Securities
New York
$785K
New York State Common Retirement Fund
108
New York State Common Retirement Fund
New York
$758K
SC
109
Shay Capital
New York
$743K
Zurich Cantonal Bank
110
Zurich Cantonal Bank
Switzerland
$725K
State Board of Administration of Florida Retirement System
111
State Board of Administration of Florida Retirement System
Florida
$707K
MAM
112
Martingale Asset Management
Massachusetts
$692K
Franklin Resources
113
Franklin Resources
California
$661K
GAM
114
Gotham Asset Management
New York
$642K
LPL Financial
115
LPL Financial
California
$627K
State of New Jersey Common Pension Fund D
116
State of New Jersey Common Pension Fund D
New Jersey
$617K
CUAMC
117
China Universal Asset Management Company
China
$614K
PFSRSONJ
118
Police & Firemen's Retirement System of New Jersey
New Jersey
$592K
Dimensional Fund Advisors
119
Dimensional Fund Advisors
Texas
$580K
Millennium Management
120
Millennium Management
New York
$575K
ProShare Advisors
121
ProShare Advisors
Maryland
$575K
GC
122
Guggenheim Capital
Illinois
$557K
Marshall Wace
123
Marshall Wace
United Kingdom
$550K
PR
124
PSP Research
Pennsylvania
$536K
HNWAG
125
High Net Worth Advisory Group
Florida
$522K