Companies / Onestream, Inc. / Activity
Activity — Onestream, Inc.
26 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 | AQR Arbitrage LLC 13F manager | New | Common stock | $81.44M | +3.4M | 3,393,367 1.37% of shares | high |
| Q1 2026 as of | Polar Asset Management Partners Inc. 13F manager | New | Common stock | $70.67M | +2.9M | 2,944,378 1.19% of shares | high |
| Q1 2026 as of | TIG Advisors, LLC 13F manager | New | Common stock | $41.72M | +1.7M | 1,738,231 0.70% of shares | medium |
| Q1 2026 as of | AllianceBernstein L.P. 13F manager | New | Common stock | $28.21M | +1.5M | 1,535,061 0.62% of shares | medium |
| Q1 2026 as of | Alpine Associates Management Inc. 13F manager | New | Common stock | $22.10M | +921K | 920,692 0.37% of shares | medium |
| Q1 2026 as of | Grantham, Mayo, Van Otterloo & Co. LLC 13F manager | New | Common stock | $16.24M | +677K | 676,553 0.27% of shares | medium |
| Q1 2026 as of | Gabelli Funds LLC 13F manager | New | Common stock | $12.57M | +524K | 523,583 0.21% of shares | medium |
| Q1 2026 as of | Credit Industriel Et Commercial 13F manager | New | Common stock | $8.77M | +366K | 365,500 0.15% of shares | medium |
| Q1 2026 as of | Taconic Capital Advisors LP 13F manager | New | Common stock | $8.20M | +342K | 341,528 0.14% of shares | medium |
| Q1 2026 as of | New York Life Investment Management LLC 13F manager | New | Common stock | $5.18M | +216K | 215,678 0.09% of shares | medium |
| Q1 2026 as of | Wolverine Asset Management, LLC 13F manager | New | Common stock | $2.95M | +123K | 122,808 0.05% of shares | low |
| Q1 2026 as of | Water Island Capital LLC 13F manager | New | Common stock | $2.19M | +91K | 91,120 0.04% of shares | low |
| Q1 2026 as of | Css LLC/IL 13F manager | New | Common stock | $1.57M | +66K | 65,508 0.03% of shares | low |
| Q1 2026 as of | Twin Securities, Inc. 13F manager | New | Common stock | $1.45M | +60K | 60,372 0.02% of shares | low |
| Q4 2025 as of | Alberta Investment Management Corp 13F manager | New | Common stock | $1.37M | +75K | 74,500 0.03% of shares | low |
| Q1 2026 as of | Commonwealth of Pennsylvania Public School Empls Retrmt Sys 13F manager | New | Common stock | $1.20M | +50K | 50,000 0.02% of shares | low |
| Q4 2025 as of | Oxford Asset Management LLP 13F manager | New | Common stock | $587.0K | +32K | 31,938 0.01% of shares | low |
| Q1 2026 as of | Mariner, LLC 13F manager | New | Common stock | $570.4K | +24K | 23,767 <0.01% of shares | low |
| Q1 2026 as of | Guggenheim Capital LLC 13F manager | New | Common stock | $438.4K | +18K | 18,266 <0.01% of shares | low |
| Q3 2024 as of | Barclays PLC 13F manager | New | Common stock | $368.6K | +11K | 10,873 <0.01% of shares | low |
| Q1 2026 as of | Yorktown Management & Research Co Inc 13F manager | New | Common stock | $295.2K | +12K | 12,300 <0.01% of shares | low |
| Q1 2025 as of | Pension & Wealth Management Advisors, Inc. 13F manager | New | Common stock | $200.5K | +9K | 9,395 <0.01% of shares | low |
| Q1 2026 as of | Glazer Capital, LLC 13F manager | New | Common stock | $180.9K | +7.5M | 7,537,536 3.04% of shares | low |
| Q1 2026 as of | MAI Capital Management 13F manager | New | Common stock | $2.0K | +85 | 85 <0.01% of shares | low |
| Q1 2026 as of | Gsa Capital Partners LLP 13F manager | New | Common stock | $545 | +23K | 22,728 <0.01% of shares | low |
| Q1 2026 as of | Praxis Investment Management Inc 13F manager | New | Common stock | $228 | +10K | 9,516 <0.01% of shares | low |