Skip to main content
Livermore
Livermore
ZHEN

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.

Q1 2025 vs. Q4 2024

How the institutions holding Arcellx, Inc. changed between Q4 2024 and Q1 2025.

All holders in Q1 2025All holders in Q4 2024

13F holders of ACLX: Q4 2024 compared with Q1 2025
MeasureQ4 2024Of which not filed for Q1 2025Q1 2025Change
Holders2111198−12
Shares59.2M111.8K61.6M+2.52M (+4.3%)
Value$4.54B$8.57M$4.04B−$486.0M (−10.7%)

1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (25)

Institutions that held Arcellx, Inc. at the end of Q1 2025 but not at the end of Q4 2024.

Institutions new to ACLX in Q1 2025
InstitutionSharesValue% of portfolio
StemPoint Capital LP273,774$18.0M5.74%
Nuveen, LLC111,786$7.33M0.00%
Pier Capital, LLC67,976$4.46M0.75%
Caption Management, LLC67,069$4.40M0.20%
Readystate Asset Management LP45,058$2.96M0.15%
Great Point Partners LLC45,000$2.95M1.60%
Sector Gamma AS35,000$2.30M0.74%
Empowered Funds, LLC26,954$1.77M0.03%
Marshall Wace, LLP15,400$1.01M0.00%
Knott David M Jr15,000$984.0K0.46%
Neo Ivy Capital Management3,948$259.0K0.08%
EntryPoint Capital, LLC3,774$247.6K0.11%
SIH Partners, LLLP3,461$227.0K0.02%
Quarry LP2,900$190.2K0.05%
Virtus Investment Advisers, Inc.1,968$129.1K0.04%
BI Asset Management Fondsmaeglerselskab A/S761$50.0K0.00%
Coldstream Capital Management Inc124$8.13K0.00%
Versant Capital Management, Inc114$7.48K0.00%
Optiver Holding B.V.40$2.62K0.00%
Larson Financial Group LLC28$1.84K0.00%
Allworth Financial LP28$1.79K0.00%
Parkside Financial Bank & Trust20$1.31K0.00%
Sierra Ocean, LLC16$1.05K0.00%
Stephens Consulting, LLC15$9840.00%
TD Capital Management LLC5$3280.00%

Sold out (37)

Institutions that held Arcellx, Inc. at the end of Q4 2024 and filed for Q1 2025 without it.

Institutions that sold out of ACLX in Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
First Turn Management, LLC152,356$11.7M
Integral Health Asset Management, LLC100,000$7.67M
Jacobs Levy Equity Management, Inc78,584$6.03M
Duquesne Family Office LLCSuperinvestorDuquesne Family Office74,100$5.68M
Thrivent Financial for Lutherans69,461$5.33M
Nicholas Investment Partners, LP48,086$3.69M
EAM Investors, LLC43,009$3.30M
State of New Jersey Common Pension Fund D23,966$1.84M
Jackson Creek Investment Advisors LLC15,389$1.18M
Acuta Capital Partners, LLC10,743$823.9K
Moody Aldrich Partners LLC10,683$819.3K
Walleye Capital LLC10,659$817.4K
Scientech Research LLC10,281$788.5K
Diadema Partners LP10,100$774.6K
SEI Investments Co9,688$743.0K
Y-Intercept (Hong Kong) Ltd7,735$593.2K
Bryce Point Capital, LLC7,475$573.3K
Trexquant Investment LP7,237$555.0K
Fieldview Capital Management, LLC7,237$555.0K
Algert Global LLC6,844$524.9K
Brevan Howard Capital Management LP6,079$466.2K
Legato Capital Management LLC5,999$460.1K
Two Sigma Advisers, LP5,600$429.5K
Squarepoint Ops LLC5,330$408.8K
Jump Financial, LLC4,359$334.3K
FORA Capital, LLC4,064$311.7K
Sherbrooke Park Advisers LLC3,805$291.8K
Mackenzie Financial Corp3,301$253.2K
Advisory Alpha, LLC3,000$230.1K
Landscape Capital Management, L.L.C.2,793$214.2K
Envestnet Asset Management Inc2,747$210.7K
Kazazian Asset Management, LLC2,660$204.0K
Virtus ETF Advisers LLC852$65.3K
Headlands Technologies LLC529$40.6K
Meeder Asset Management Inc45$3.45K
CoreCap Advisors, LLC19$1.46K
Quantbot Technologies LP1$77

Not filed for Q1 2025 yet (1)

Institutions that held Arcellx, Inc. at the end of Q4 2024 and haven't filed a 13F for Q1 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ACLX in Q4 2024 that haven't filed for Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
Nuveen Asset Management, LLC111,786$8.57M