How many hedge funds hold ACLX?

233 hedge funds and asset managers hold Arcellx (ACLX). See every fund and their quarterly position changes.

Who are the largest ACLX institutional holders?

The largest hedge fund holders of Arcellx (ACLX) include Dekabank Deutsche Giro, Ifp Advisors, Cinctive Capital Manag.

How do I track ACLX hedge fund flows?

See quarterly buys, sells, and position changes from every hedge fund holding Arcellx (ACLX) with dollar amounts, share counts, and rotation signals.

ACLX Institutional Ownership — 233 Hedge Funds Hold Arcellx

$115.07

Last traded 2026-05-15 — delisted

NASDAQ · Healthcare · Biotechnology · $6.7B mcap · 43M float · 3.37% daily turnover · Short 30% of daily vol

Institutional Ownership — ACLX

236

Institutional Holders

-74 vs prior quarter

0.0%

Ownership

+0.00pp

$0M

Total Invested

New Positions

Increased

231

Reduced

231

Closed

1.08

Put/Call Ratio

Ownership Trends

Top Institutional Holders (307 total)

#	Holder	Shares	Value	Change	Change %	Holding Period	Filing
1	AJU IB Investment Co., Ltd.	223,486	$26M	—	+0.0%	6Q	SEC ↗
2	JANUS HENDERSON GROUP PLC	90,280	$10M	-829,298	-90.2%	16Q	SEC ↗
3	CIBRA Capital Ltd NEW	88,623	$10M	—	+0.0%	1Q	SEC ↗
4	DekaBank Deutsche Girozentrale	30,000	$3M	—	+0.0%	15Q	SEC ↗
5	BCK CAPITAL MANAGEMENT LP NEW	4,000	$460K	—	+0.0%	1Q	SEC ↗
6	CWM, LLC	77	$9K	-124	-61.7%	10Q	SEC ↗
7	IFP Advisors, Inc	13	$1K	+1	+8.3%	7Q	SEC ↗
8	ALLIANCEBERNSTEIN L.P.	0	$0K	-544,227	-100.0%	15Q	SEC ↗
9	Shay Capital LLC	0	$0K	-11,400	-100.0%	1Q	SEC ↗
10	J. Goldman & Co LP	0	$0K	-31,219	-100.0%	1Q	SEC ↗
11	Pinnacle Wealth Planning Services, Inc	0	$0K	-160	-100.0%	1Q	SEC ↗
12	Abu Dhabi Investment Council Co P.J.S.	0	$0K	-19,338	-100.0%	1Q	SEC ↗
13	NORTHERN TRUST CORP	0	$0K	-350,065	-100.0%	17Q	SEC ↗
14	PNC FINANCIAL SERVICES GROUP, INC.	0	$0K	-580	-100.0%	9Q	SEC ↗
15	SOROS FUND MANAGEMENT LLC	0	$0K	-200,000	-100.0%	1Q	SEC ↗
16	MAI Capital Management	0	$0K	-2	-100.0%	1Q	SEC ↗
17	METEORA CAPITAL, LLC	0	$0K	-876	-100.0%	1Q	SEC ↗
18	Pentwater Capital Management LP	0	$0K	-2,870,000	-100.0%	1Q	SEC ↗
19	Verition Fund Management LLC	0	$0K	-187,354	-100.0%	1Q	SEC ↗
20	MetLife Investment Management, LLC	0	$0K	-20,914	-100.0%	15Q	SEC ↗
21	Tower Research Capital LLC (TRC)	0	$0K	-2,270	-100.0%	17Q	SEC ↗
22	Creative Planning	0	$0K	-15,653	-100.0%	6Q	SEC ↗
23	Empowered Funds, LLC	0	$0K	-2,010	-100.0%	1Q	SEC ↗
24	First Trust Capital Management L.P.	0	$0K	-238,235	-100.0%	1Q	SEC ↗
25	ODDO BHF ASSET MANAGEMENT SAS	0	$0K	-115,000	-100.0%	1Q	SEC ↗
26	MassMutual Private Wealth & Trust, FSB	0	$0K	-1	-100.0%	2Q	SEC ↗
27	Verdad Advisers, LP	0	$0K	-2,893	-100.0%	1Q	SEC ↗
28	JPMORGAN CHASE & CO	0	$0K	-593,573	-100.0%	17Q	SEC ↗
29	High Net Worth Advisory Group LLC	0	$0K	-8,000	-100.0%	11Q	SEC ↗
30	ABC ARBITRAGE SA	0	$0K	-30,347	-100.0%	1Q	SEC ↗
31	Aventura Private Wealth, LLC	0	$0K	-45	-100.0%	6Q	SEC ↗
32	Russell Investments Group, Ltd.	0	$0K	-61,905	-100.0%	14Q	SEC ↗
33	LOS ANGELES CAPITAL MANAGEMENT LLC	0	$0K	-176	-100.0%	1Q	SEC ↗
34	CLOUGH CAPITAL PARTNERS L P	0	$0K	-129,780	-100.0%	1Q	SEC ↗
35	TD Capital Management LLC	0	$0K	-5	-100.0%	4Q	SEC ↗
36	Universal- Beteiligungs- und Servicege	0	$0K	-2,148	-100.0%	3Q	SEC ↗
37	Rhenman & Partners Asset Management AB	0	$0K	-133,500	-100.0%	6Q	SEC ↗
38	MARTINGALE ASSET MANAGEMENT L P	0	$0K	-10,618	-100.0%	11Q	SEC ↗
39	FIRST TRUST ADVISORS LP	0	$0K	-20,896	-100.0%	1Q	SEC ↗
40	Y-Intercept (Hong Kong) Ltd	0	$0K	-24,538	-100.0%	2Q	SEC ↗
41	FIRST HORIZON CORP	0	$0K	-30	-100.0%	2Q	SEC ↗
42	PERCEPTIVE ADVISORS LLC	0	$0K	-1,466,071	-100.0%	15Q	SEC ↗
43	STATE BOARD OF ADMINISTRATION OF FLORI	0	$0K	-10,850	-100.0%	8Q	SEC ↗
44	Daiwa Securities Group Inc.	0	$0K	-174	-100.0%	13Q	SEC ↗
45	NOMURA HOLDINGS INC	0	$0K	-9,301	-100.0%	1Q	SEC ↗
46	Brevan Howard Capital Management LP	0	$0K	-60,178	-100.0%	3Q	SEC ↗
47	Allianz Asset Management GmbH	0	$0K	-6,200	-100.0%	13Q	SEC ↗
48	Candriam S.C.A.	0	$0K	-96,420	-100.0%	1Q	SEC ↗
49	OSAIC HOLDINGS, INC.	0	$0K	-954	-100.0%	10Q	SEC ↗
50	EDMOND DE ROTHSCHILD HOLDING S.A.	0	$0K	-45,480	-100.0%	6Q	SEC ↗

Recent Activity

New Positions (2)

Holder	Shares	Value
CIBRA Capital Ltd	88,623	$10M
BCK CAPITAL MANAGEMENT LP	4,000	$460K

Sold Out (20)

Holder	Prev Shares	Prev Value
GILEAD SCIENCES, INC.	6,720,803	$773M
Paradigm Biocapital Advisors LP	5,774,016	$664M
BlackRock, Inc.	3,945,238	$454M
NEA Management Company, LLC	3,045,262	$350M
Vestal Point Capital, LP	2,925,000	$337M
Pentwater Capital Management LP	2,870,000	$330M
VANGUARD CAPITAL MANAGEMENT LLC	2,425,218	$279M
VANGUARD PORTFOLIO MANAGEMENT LLC	2,424,818	$279M
SR One Capital Management, LP	2,346,630	$270M
FIL Ltd	2,339,192	$269M
HBK INVESTMENTS L P	2,278,517	$262M
T. Rowe Price Investment Management	2,255,878	$260M
STATE STREET CORP	1,675,895	$193M
GLAZER CAPITAL, LLC	1,507,128	$173M
PERCEPTIVE ADVISORS LLC	1,466,071	$169M
GOLDMAN SACHS GROUP INC	1,312,155	$151M
RA CAPITAL MANAGEMENT, L.P.	1,267,156	$146M
GEODE CAPITAL MANAGEMENT, LLC	1,028,666	$118M
MORGAN STANLEY	925,813	$107M
BAMCO INC /NY	609,697	$70M

Biggest Increases (1)

Holder	Added	Change %	Total Shares
IFP Advisors, Inc	+1	+8.3%	13

Biggest Decreases (2)

Holder	Reduced	Change %	Total Shares
JANUS HENDERSON GROUP PLC	-829,298	-90.2%	90,280
CWM, LLC	-124	-61.7%	77

ACLX Institutional Ownership

Institutional Ownership — ACLX

Ownership Trends

Top Institutional Holders (307 total)

Recent Activity

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