Companies / Arcellx, Inc. / Activity
Activity — Arcellx, Inc.
27 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q1 2026 as of | Hbk Investments L P 13F manager | New | Common stock | $261.62M | +2.3M | 2,278,517 3.90% of shares | high |
| Q1 2026 as of | TIG Advisors, LLC 13F manager | New | Common stock | $62.16M | +541K | 541,378 0.93% of shares | high |
| Q1 2026 as of | Balyasny Asset Management L.P. 13F manager | New | Common stock | $55.09M | +480K | 479,763 0.82% of shares | high |
| Q1 2026 as of | Magnetar Financial LLC 13F manager | New | Common stock | $45.35M | +395K | 394,931 0.68% of shares | medium |
| Q1 2026 as of | Alpine Associates Management Inc. 13F manager | New | Common stock | $43.40M | +378K | 378,000 0.65% of shares | medium |
| Q1 2026 as of | AQR Arbitrage LLC 13F manager | New | Common stock | $26.61M | +232K | 231,730 0.40% of shares | medium |
| Q1 2026 as of | Soros Fund Management LLC 13F manager | New | Common stock | $22.96M | +200K | 200,000 0.34% of shares | medium |
| Q1 2026 as of | Gabelli Funds LLC 13F manager | New | Common stock | $22.49M | +196K | 195,900 0.33% of shares | medium |
| Q1 2026 as of | Water Island Capital LLC 13F manager | New | Common stock | $21.06M | +183K | 183,409 0.31% of shares | medium |
| Q1 2026 as of | Credit Industriel Et Commercial 13F manager | New | Common stock | $15.46M | +135K | 134,648 0.23% of shares | medium |
| Q1 2026 as of | Prelude Capital Management, LLC 13F manager | New | Common stock | $11.35M | +99K | 98,849 0.17% of shares | medium |
| Q1 2026 as of | Renaissance Technologies LLC 13F manager | New | Common stock | $11.07M | +96K | 96,400 0.16% of shares | medium |
| Q1 2026 as of | Twin Securities, Inc. 13F manager | New | Common stock | $6.20M | +54K | 53,982 0.09% of shares | medium |
| Q1 2026 as of | Harvest Management LLC 13F manager | New | Common stock | $5.74M | +50K | 50,000 0.09% of shares | medium |
| Q1 2026 as of | Equitec Proprietary Markets, LLC 13F manager | New | Common stock | $3.85M | +34K | 33,574 0.06% of shares | low |
| Q1 2026 as of | New York Life Investment Management LLC 13F manager | New | Common stock | $3.01M | +26K | 26,243 0.04% of shares | low |
| Q1 2026 as of | Fortress Investment Group LLC 13F manager | New | Common stock | $2.09M | +18K | 18,183 0.03% of shares | low |
| Q1 2026 as of | Nomura Holdings Inc 13F manager | New | Common stock | $1.07M | +9K | 9,301 0.02% of shares | low |
| Q1 2026 as of | Css LLC/IL 13F manager | New | Common stock | $872.6K | +8K | 7,600 0.01% of shares | low |
| Q1 2026 as of | Deltec Asset Management LLC 13F manager | New | Common stock | $430.6K | +4K | 3,750 <0.01% of shares | low |
| Q1 2026 as of | Nicholas Investment Partners, LP 13F manager | New | Common stock | $359.7K | +3K | 3,133 <0.01% of shares | low |
| Q3 2025 as of | Farallon Capital Management LLC 13F manager | New | Common stock | $328.4K | +4K | 4,000 <0.01% of shares | low |
| Q1 2026 as of | Principal Financial Group Inc 13F manager | New | Common stock | $317.4K | +3K | 2,764 <0.01% of shares | low |
| Q1 2026 as of | CIBC Global Asset Managment Inc. 13F manager | New | Common stock | $288.0K | +3K | 2,508 <0.01% of shares | low |
| Q1 2026 as of | Glazer Capital, LLC 13F manager | New | Common stock | $173.0K | +1.5M | 1,507,128 2.58% of shares | low |
| Q1 2026 as of | MAI Capital Management 13F manager | New | Common stock | $230 | +2 | 2 <0.01% of shares | low |
| Q1 2026 as of | Praxis Investment Management Inc 13F manager | New | Common stock | $217 | +2K | 1,888 <0.01% of shares | low |