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Arcellx, Inc.

ACLXDelisted Apr 28, 2026
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001786205

Arcellx, Inc. was delisted on Apr 28, 2026; its insiders filed their last Form 4 on Apr 28, 2026; 240 institutions reported holding it in 13F filings for Q1 2026, worth $6.52B in total; Soros Fund Management was the only superinvestor holding it.

Q2 2022 vs. Q1 2022

How the institutions holding Arcellx, Inc. changed between Q1 2022 and Q2 2022.

All holders in Q2 2022All holders in Q1 2022

13F holders of ACLX: Q1 2022 compared with Q2 2022
MeasureQ1 2022Of which not filed for Q2 2022Q2 2022Change
Holders49168+20
Shares26.9M2.23K34.9M+8.06M (+30.0%)
Value$357.9M$31.0K$621.5M+$263.7M (+73.7%)

1 institution that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so the changes leave them out.

New holders (23)

Institutions that held Arcellx, Inc. at the end of Q2 2022 but not at the end of Q1 2022.

Institutions new to ACLX in Q2 2022
InstitutionSharesValue% of portfolio
Cormorant Asset Management, LP1,525,000$27.6M2.14%
Janus Henderson Group PLC1,254,809$22.7M0.02%
Perceptive Advisors LLC1,141,990$20.6M0.65%
Lord, Abbett & Co. LLC506,994$9.17M0.03%
Parkman Healthcare Partners LLC178,000$3.22M1.19%
Blackstone Group Inc.144,373$2.61M0.01%
EAM Investors, LLC130,810$2.37M0.58%
Monashee Investment Management LLC122,129$2.21M0.80%
Islet Management, LP100,000$1.81M0.52%
EAM Global Investors LLC97,230$1.76M0.43%
Affinity Asset Advisors, LLC75,000$1.36M0.74%
ExodusPoint Capital Management, LP64,021$1.16M0.02%
Vident Investment Advisory, LLC39,644$717.0K0.02%
Cubist Systematic Strategies, LLC29,200$528.0K0.00%
SEI Investments Co26,713$483.0K0.00%
Renaissance Technologies LLC26,700$483.0K0.00%
Raymond James & Associates18,900$342.0K0.00%
Rhumbline Advisers14,598$264.0K0.00%
HighTower Advisors, LLC10,000$181.0K0.00%
Pinz Capital Management, LP6,600$119.0K0.08%
SG Americas Securities, LLC5,681$103.0K0.00%
Point72 Hong Kong Ltd5,329$96.0K0.01%
Credit Suisse AG11$00.00%

Sold out (3)

Institutions that held Arcellx, Inc. at the end of Q1 2022 and filed for Q2 2022 without it.

Institutions that sold out of ACLX in Q2 2022
InstitutionShares, Q1 2022Value, Q1 2022
Goldman Sachs Group Inc58,059$814.0K
Squarepoint Ops LLC30,000$421.0K
Centiva Capital, LP11,348$159.0K

Not filed for Q2 2022 yet (1)

Institutions that held Arcellx, Inc. at the end of Q1 2022 and haven't filed a 13F for Q2 2022. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ACLX in Q1 2022 that haven't filed for Q2 2022
InstitutionShares, Q1 2022Value, Q1 2022
Amalgamated Financial Corp.2,229$31.0K