Who Owns Arcellx, Inc. (ACLX)?Hedge Fund & Institutional Holders

$114.35+0.06 (+0.05%)HealthcareNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$InfinityT

% of Float Held

1.7112912663832365e+291%

QoQ Change in Holders

+6 / -4

Price History

$52.80$68.22$83.65$99.08$114.50Sep 24Jun 25Mar 26

ACLX — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
Vestal Point Capital, LPIncreased+1.7M+$88.1B
Woodline Partners LPIncreased+496K+$28.2B
BANK OF AMERICA CORP /DE/Increased+257K+$26.0B
Hood River Capital Management LLCNew Position+336K+$21.9B
JPMORGAN CHASE & COIncreased+572K+$21.6B
Fisher Asset Management, LLCNew Position+323K+$21.0B
STEMPOINT CAPITAL LPIncreased+321K+$20.8B
ExodusPoint Capital Management, LPIncreased+208K+$13.2B
CITADEL ADVISORS LLCIncreased+479K+$13.1B
Catalio Capital Management, LPNew Position+156K+$10.2B
GOLDMAN SACHS GROUP INCIncreased+220K+$6.2B
Candriam S.C.A.New Position+96K+$6.0B
UBS Group AGIncreased+127K+$5.1B
XTX Topco LtdNew Position+73K+$4.0B
Aberdeen Group plcNew Position+60K+$3.9B

ACLX — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
RA CAPITAL MANAGEMENT, L.P.Decreased-1.8M-$249.2B
PERCEPTIVE ADVISORS LLCDecreased-1.0M-$107.1B
Capital World InvestorsClosed Position-783K-$64.3B
Cormorant Asset Management, LPClosed Position-775K-$63.6B
Schonfeld Strategic Advisors LLCDecreased-401K-$41.1B
First Turn Management, LLCClosed Position-314K-$25.8B
JANUS HENDERSON GROUP PLCDecreased-94K-$25.2B
DEUTSCHE BANK AG\Decreased-166K-$18.8B
BAKER BROS. ADVISORS LPClosed Position-167K-$13.7B
VOYA INVESTMENT MANAGEMENT LLCDecreased-79K-$11.3B
VICTORY CAPITAL MANAGEMENT INCDecreased-117K-$11.1B
AMERIPRISE FINANCIAL INCDecreased-96K-$9.6B
NORTHERN TRUST CORPDecreased-13K-$8.5B
WELLINGTON MANAGEMENT GROUP LLPDecreased-17K-$8.1B
DIMENSIONAL FUND ADVISORS LPDecreased-75K-$6.9B

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1GILEAD SCIENCES, INC.6,720,803$438.2B22.64%Share
2NEA Management Company, LLC3,045,262$198.6B10.12%Share
3Vestal Point Capital, LP2,925,000$190.7B6.48%Share
4FMR LLC2,576,775$168.0B0.01%Share
5SR ONE CAPITAL MANAGEMENT, LP2,346,630$153.0B21.66%Share
6PERCEPTIVE ADVISORS LLC1,466,071$95.6B1.70%Share
7CITADEL ADVISORS LLC1,344,706$87.0B0.01%Share
8JPMORGAN CHASE & CO1,228,424$80.0B0.01%Share
9JANUS HENDERSON GROUP PLC872,281$56.0B0.03%Share
10Woodline Partners LP737,824$48.0B0.19%Share
11FMR LLC619,504$40.0B0.00%Share
12BAMCO INC /NY/609,697$39.8B0.11%Share
13Affinity Asset Advisors, LLC523,725$34.1B1.95%Share
14GOLDMAN SACHS GROUP INC526,510$34.0B0.00%Share
15AMERICAN CENTURY COMPANIES INC419,080$27.0B0.01%Share
16CHARLES SCHWAB INVESTMENT MANAGEMENT INC339,813$22.0B0.00%Share
17Hood River Capital Management LLC335,500$21.9B0.24%Share
18STEMPOINT CAPITAL LP332,860$21.7B3.72%Share
19Fisher Asset Management, LLC322,855$21.0B0.01%Share
20BANK OF AMERICA CORP /DE/319,472$20.0B0.00%Share
21UBS Group AG300,089$19.6B0.00%Share
22TD ASSET MANAGEMENT INC300,856$19.0B0.02%Share
23NORTHERN TRUST CORP298,746$19.0B0.00%Share
24FMR LLC273,679$17.0B0.00%Share
25Caption Management, LLC250,000$16.3B0.11%Call
26ExodusPoint Capital Management, LP217,424$14.0B0.11%Share
27Integral Health Asset Management, LLC200,000$13.0B0.65%Share
28DEUTSCHE BANK AG\185,878$12.0B0.00%Share
29BARCLAYS PLC196,748$12.0B0.00%Share
30JPMORGAN CHASE & CO190,775$12.0B0.00%Share
31Rock Springs Capital Management LP169,859$11.1B0.57%Share
32Catalio Capital Management, LP156,109$10.2B1.80%Share
33CITIGROUP INC155,744$10.0B0.00%Share
34CITADEL ADVISORS LLC155,517$10.0B0.00%Share
35GOLDMAN SACHS GROUP INC141,970$9.0B0.00%Share
36Logos Global Management LP115,000$7.5B0.45%Share
37RAYMOND JAMES FINANCIAL INC118,108$7.0B0.00%Share
38FMR LLC93,568$6.0B0.00%Share
39VOYA INVESTMENT MANAGEMENT LLC102,607$6.0B0.01%Share
40WELLINGTON MANAGEMENT GROUP LLP103,298$6.0B0.00%Share
41Candriam S.C.A.96,420$6.0B0.03%Share
42BANK OF AMERICA CORP /DE/77,862$5.0B0.00%Share
43Nuveen, LLC79,066$5.0B0.00%Share
44Russell Investments Group, Ltd.85,929$5.0B0.01%Share
45WELLINGTON MANAGEMENT GROUP LLP86,182$5.0B0.00%Share
46AMERIPRISE FINANCIAL INC66,377$4.0B0.00%Share
47HighVista Strategies LLC75,002$4.0B1.03%Share
48Rafferty Asset Management, LLC69,515$4.0B0.01%Share
49XTX Topco Ltd72,583$4.0B0.11%Share
50Aberdeen Group plc60,364$3.9B0.01%Share

ACLX Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025218$2.1T+55
Q3 2025163$3.0T-6
Q2 2025169$2.3T-29
Q1 2025198$3.0T-7
Q4 2024205$2.9T+47
Q3 2024158$44.3T+19
Q2 2024139$34.1T-8
Q1 2024147$963.1T—

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As of Q4 2025, 50 institutional investors hold ACLX (Arcellx, Inc.). The largest holder is GILEAD SCIENCES, INC. with $438.2B in shares. This quarter, 6 institutions opened new positions and 4 closed their positions.

Frequently Asked Questions

How many hedge funds own ACLX?

As of Q4 2025, 50 institutional investors report holding ACLX (Arcellx, Inc.) in their 13F filings.

Who is the largest institutional holder of ACLX?

The largest institutional holder of ACLX is GILEAD SCIENCES, INC. with $438.2B in shares.

Is institutional ownership of ACLX increasing or decreasing?

This quarter, 6 institutions opened new positions in ACLX and 4 closed their positions.