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Arcellx Inc (ACLX)

CUSIP: 03940C100 | NYSE | Healthcare · Biotechnology | Mid Cap | 488 institutional holders

Quarters

Q2 2026Q1 2026Q4 2025Q3 2025Q2 2025
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Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13G/AParadigm BioCapital Advisors LP00.0%No shares heldJun 30, 2026No 13F filer matched
13D/AGilead Sciences, Inc.100100.0%−6,720,703Apr 28, 202628d ahead of 13F (6,720,803 sh) · −6,720,703
13D/ANew Enterprise Associates 15, L.P.00.0%Fell below 5%Apr 28, 2026No 13F filer matched
13D/ARami Elghandour00.0%Fell below 5%Apr 28, 2026No 13F filer matched
13G/AParadigm BioCapital Advisors LP0
0.0% of class · Jun 30, 2026No shares held
No 13F filer matched
13D/AGilead Sciences, Inc.100
100.0% of class · Apr 28, 2026−6,720,703
28d ahead of 13F (6,720,803 sh) · −6,720,703
13D/ANew Enterprise Associates 15, L.P.0
0.0% of class · Apr 28, 2026Fell below 5%
No 13F filer matched
13D/ARami Elghandour0
0.0% of class · Apr 28, 2026Fell below 5%
No 13F filer matched

Institutional Holders — Q2 2026

DekaBank Deutsche Girozentrale30,000
0.0% of portfolio›$3.4K
IFP Advisors, Inc13
0.0% of portfolio›$1.5K
StyleTurnoverLocationFiled
DekaBank Deutsche Girozentrale
30,000$3.4K0.0%CoreLowFrankfurt, Hong Kong2026-08-05
IFP Advisors, Inc
13$1.5K0.0%GrowthLowTampa, FL2026-07-20