ACLX Arcellx, Inc.: institutional ownership and insider trading
10 funds reported holding $299M of Arcellx, Inc. in their latest 13F filings; in Q2 2026 funds net sold $6.62B, with 0 new positions and 236 funds selling out; over the last 12 months insiders bought $0 and sold $14.6M on the open market.
Largest institutional holders of ACLX
- VANGUARD GROUP INC — $266M
- JANUS HENDERSON GROUP PLC (JHG) — $10.4M
- CIBRA Capital Ltd — $10.2M
- Nuveen Asset Management, LLC — $8.57M
- DekaBank Deutsche Girozentrale — $3.43M
- BCK CAPITAL MANAGEMENT LP — $459K
- Abich Financial Wealth Management LLC — $61.6K
- CWM, LLC — $8.84K
- COMERICA BANK — $3.98K
- Lindbrook Capital, LLC — $2.56K
Recent ACLX insider trades
- Feb 27, 2026: Elghandour Rami sold 89,916 shares ($10.2M)
- Feb 25, 2026: Gilson Michelle sold 11,219 shares ($1.28M)
- Feb 19, 2026: Gilson Michelle sold 8,384 shares ($573K)
- Feb 17, 2026: Gilson Michelle sold 11,291 shares ($785K)
5%+ owners
- GILEAD SCIENCES, INC.: 100.0% (Schedule 13D/A, filed Apr 28, 2026)