Oyster Enterprises II AcquisOYSEU
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 8 institutions reported holding Oyster Enterprises II Acquis (OYSEU) in their 13F filings, unchanged from Q4 2025. 0 opened new positions and 0 sold out. The largest holders were Calamos Advisors LLC ($1.3M), Millennium Management ($1.0M) and JPMorgan Chase & Co. ($1.0M). 2 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Oyster Enterprises II Acquis
- CUSIP
- G6861F120
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 0 | $0 |
| Exits | 0 | $0 |
All 13F filers, Q4 2025 → Q1 2026: 1,311 shares bought and 36 shares sold, net +1,275 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 8 holders
| Calamos Advisors LLC | 0.01% | No change | 123,093 | $1.3M |
| Millennium Management | 0.00% | No change | 100,986 | $1.0M |
| JPMorgan Chase & Co. | 0.00% | No change | 100,000 | $1.0M |
| OMERS ADMINISTRATION Corp | 0.00% | Add +2.0% | 61,050 | $629K |
| Clear Street Group Inc. | 0.00% | Reduce -0.1% | 50,672 | $522K |
| Readystate Asset Management LP | 0.05% | No change | 49,470 | $510K |
| Citadel Advisors | 0.00% | Add +0.8% | 13,262 | $137K |
| UBS Group AG | 0.00% | Add +0.5% | 2,241 | $23K |
"% of holder's portfolio" is OYSEU's weight in each manager's 13F, not the share of Oyster Enterprises II Acquis the manager owns.