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Arcellx

204 hedge funds and large institutions have $5.18B invested in Arcellx in 2025 Q3 according to their latest regulatory filings, with 29 funds opening new positions, 58 increasing their positions, 80 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more ownership

Funds ownership:

more funds holding

Funds holding:

8% less funds holding in top 10

Funds holding in top 10: 1211 (-1)

22% less call options, than puts

Call options by funds: $7.49M | Put options by funds: $9.65M

28% less repeat investments, than reductions

Existing positions increased: 58 | Existing positions reduced: 80

Holders
204
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
11
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$7.49M
Puts
$9.65M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
AAM
126
Advisors Asset Management
Colorado
$663K
HNWAG
127
High Net Worth Advisory Group
Florida
$657K
ProShare Advisors
128
ProShare Advisors
Maryland
$643K
LCM
129
Legato Capital Management
California
$630K
Susquehanna International Group
130
Susquehanna International Group
Pennsylvania
$603K
Mariner
131
Mariner
Kansas
$601K
Allianz Asset Management
132
Allianz Asset Management
Germany
$566K
Teacher Retirement System of Texas
133
Teacher Retirement System of Texas
Texas
$558K
KK
134
KLP Kapitalforvaltning
Norway
$452K
ACM
135
Aquatic Capital Management
Illinois
$430K
Universal-Beteiligungs- und Servicegesellschaft
136
Universal-Beteiligungs- und Servicegesellschaft
Germany
$332K
FCM
137
Farallon Capital Management
California
$328K
VPIM
138
Vanguard Personalized Indexing Management
California
$312K
BHCM
139
Brevan Howard Capital Management
Jersey
$312K
CBU
140
CIBC Bancorp USA
Illinois
$300K
Mercer Global Advisors
141
Mercer Global Advisors
Colorado
$283K
IWC
142
Integrated Wealth Concepts
Massachusetts
$281K
QL
143
Quarry LP
New York
$277K
SS
144
SBI Securities
Japan
$276K
Public Employees Retirement Association of Colorado
145
Public Employees Retirement Association of Colorado
Colorado
$264K
VRS
146
Virginia Retirement Systems
Virginia
$255K
AA
147
Advisory Alpha
Michigan
$247K
SEI Investments
148
SEI Investments
Pennsylvania
$238K
AIP
149
Ameritas Investment Partners
Nebraska
$235K
HP
150
HealthInvest Partners
Sweden
$224K