ACLXGBX

ARCELLX INC
EOCUSIP 03940C100
Institutional Owners
90
+24 QoQ
13F Value Held
$2.5B
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
0
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)47 adding · 35 trimming
Insider net (180d)+$0
Price history not yet available for ACLXGBX.

Top institutional holders

90 13F filers
#FundPosition valueSharesLast moveAs of
1Paradigm Biocapital Advisors LP
$663.0M
5.77MAddedQ1 2026
2NEA Management Company, LLC
$349.7M
3.05MHeldQ1 2026
3VANGUARD CAPITAL MANAGEMENT LLC
$278.5M
2.43MNewQ1 2026
4VANGUARD PORTFOLIO MANAGEMENT LLC
$278.4M
2.42MNewQ1 2026
5HBK INVESTMENTS L P
$261.6M
2.28MNewQ1 2026
6STATE STREET CORP
$192.4M
1.68MReducedQ1 2026
7DAVIDSON KEMPNER CAPITAL MANAGEMENT LP
$64.3M
559.6KNewQ1 2026
8TIG Advisors, LLC
$62.2M
541.4KNewQ1 2026
9VANGUARD FIDUCIARY TRUST CO
$35.4M
308.5KNewQ1 2026
10First Trust Capital Management L.P.
$27.4M
238.2KNewQ1 2026
11AQR Arbitrage LLC
$26.6M
231.7KNewQ1 2026
12Caption Management, LLC
$25.8M
225.0KAddedQ1 2026
13SOROS FUND MANAGEMENT LLC
$23.0M
200.0KNewQ1 2026
14Verition Fund Management LLC
$21.5M
187.4KNewQ1 2026
15Rock Springs Capital Management LP
$19.5M
169.9KHeldQ1 2026
16Magnetar Financial LLC
$14.3M
124.9KNewQ1 2026
17Woodline Partners LP
$14.2M
123.8KNewQ1 2026
18Hudson Bay Capital Management LP
$14.1M
122.9KReducedQ1 2026
19Man Group plc
$14.0M
122.1KAddedQ1 2026
20PICTON MAHONEY ASSET MANAGEMENT
$13.8M
120.0KNewQ1 2026
21ODDO BHF ASSET MANAGEMENT SAS
$13.2M
115.0KNewQ1 2026
22Candriam S.C.A.
$6.3M
96.4KNewQ4 2025
23Duquesne Family Office LLC
$5.7M
74.1KHeldQ4 2024
24Rafferty Asset Management, LLC
$4.5M
39.4KReducedQ1 2026
25NEW YORK LIFE INVESTMENT MANAGEMENT LLC
$3.0M
26.2KNewQ1 2026

Fund activity — latest quarter

Opened (NEW)
32
funds
Added
15
funds
Reduced
20
funds
Exited
15
funds

Insider activity (Form 4)

No Form 4 insider transactions on file yet.

Institutional ownership over time

83 funds+82 since Q2 2022
04283Q2 2022Q1 2023Q4 2023Q3 2024Q2 2025Q1 2026
funds holding aggregate valuelatest $2.3B

Funds that own ACLXGBX also own

CompanyCo-held byCombined value
Boston Scientific Corp - USBSX70 funds$6.3B
Microsoft Corp - USMSFT68 funds$144.3B
Broadcom LtdAVGO68 funds$77.0B
Meta Platforms Inc AMETA68 funds$65.3B
LILLY ELI & COLLY68 funds$40.2B
Unitedhealth Group Inc - USUNH68 funds$15.3B
Amazon.com IncAMZN67 funds$105.5B
GOOGLE INCGOOGL67 funds$86.3B
Netflix Inc - USNFLX67 funds$22.0B
Electronic Arts Inc - USEA67 funds$6.0B
Neurocrine Biosciences Inc - USNBIX67 funds$1.1B
Nvidia Corp - USNVDA66 funds$220.0B

Ranked by how many of ACLXGBX's institutional holders also hold each name — a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

0 shown

No filings captured for this ticker in the live stream yet.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for ACLXGBX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.