Companies / Day One Biopharmaceuticals, Inc. / Activity
Activity — Day One Biopharmaceuticals, Inc.
25 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q4 2022 as of | Leonteq Securities AG 13F manager | New | Common stock | $7.5K | +350 | 350 <0.01% of shares | low |
| Q1 2026 as of | Glazer Capital, LLC 13F manager | New | Common stock | $100.4K | +4.7M | 4,683,687 4.53% of shares | low |
| Q4 2025 as of | Virtus Advisers, LLC 13F manager | New | Common stock | $104.4K | +11K | 11,200 0.01% of shares | low |
| Q1 2026 as of | Wolverine Asset Management, LLC 13F manager | New | Common stock | $203.7K | +10K | 9,500 <0.01% of shares | low |
| Q1 2026 as of | Prudential Financial Inc 13F manager | New | Common stock | $262.9K | +12K | 12,260 0.01% of shares | low |
| Q1 2026 as of | Css LLC/IL 13F manager | New | Common stock | $514.6K | +24K | 24,000 0.02% of shares | low |
| Q1 2026 as of | Commonwealth of Pennsylvania Public School Empls Retrmt Sys 13F manager | New | Common stock | $568.2K | +27K | 26,500 0.03% of shares | low |
| Q1 2026 as of | Twin Securities, Inc. 13F manager | New | Common stock | $678.1K | +32K | 31,626 0.03% of shares | low |
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | New | Common stock | $889.8K | +42K | 41,500 0.04% of shares | low |
| Q1 2026 as of | Blackstone Inc 13F manager | New | Common stock | $891.2K | +42K | 41,567 0.04% of shares | low |
| Q1 2026 as of | Timothy G. Youngquist 2020 Irrevocable Trust 13F manager | New | Common stock | $1.14M | +53K | 53,399 0.05% of shares | low |
| Q1 2026 as of | Prelude Capital Management, LLC 13F manager | New | Common stock | $1.22M | +57K | 56,673 0.05% of shares | low |
| Q1 2026 as of | Harvest Management LLC 13F manager | New | Common stock | $1.61M | +75K | 75,000 0.07% of shares | low |
| Q1 2026 as of | Credit Industriel Et Commercial 13F manager | New | Common stock | $2.90M | +135K | 135,420 0.13% of shares | low |
| Q1 2026 as of | Public Sector Pension Investment Board 13F manager | New | Common stock | $5.06M | +236K | 236,000 0.23% of shares | medium |
| Q1 2026 as of | Marshall Wace, LLP 13F manager | New | Common stock | $7.05M | +329K | 328,638 0.32% of shares | medium |
| Q1 2026 as of | Gabelli Funds LLC 13F manager | New | Common stock | $9.95M | +464K | 464,097 0.45% of shares | medium |
| Q1 2026 as of | TIG Advisors, LLC 13F manager | New | Common stock | $13.16M | +614K | 613,918 0.59% of shares | medium |
| Q1 2026 as of | Polar Asset Management Partners Inc. 13F manager | New | Common stock | $13.52M | +630K | 630,410 0.61% of shares | medium |
| Q1 2026 as of | Magnetar Financial LLC 13F manager | New | Common stock | $13.83M | +645K | 645,173 0.62% of shares | medium |
| Q1 2026 as of | Alpine Associates Management Inc. 13F manager | New | Common stock | $19.83M | +925K | 925,000 0.90% of shares | medium |
| Q1 2026 as of | Water Island Capital LLC 13F manager | New | Common stock | $20.24M | +944K | 944,247 0.91% of shares | medium |
| Q1 2026 as of | Soros Fund Management LLC 13F manager | New | Common stock | $33.00M | +1.5M | 1,539,100 1.49% of shares | medium |
| Q1 2026 as of | Perceptive Advisors LLC 13F manager | New | Common stock | $37.64M | +1.8M | 1,755,799 1.70% of shares | medium |
| Q1 2026 as of | AQR Arbitrage LLC 13F manager | New | Common stock | $52.79M | +2.5M | 2,462,154 2.38% of shares | high |