Oyster Enterprises II Acquisition Corp
OYSER- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002042182
No open-market purchases or sales by Oyster Enterprises II Acquisition Corp insiders were filed in the last 90 days; 46 institutions reported holding it in 13F filings for Q2 2026, worth $2.68M in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Oyster Enterprises II Acquisition Corp as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 45
- +1 vs. Q3 2025
- Shares held
- 22.2M
- +2.33M (+11.8%) vs. Q3 2025
- Total value
- $4.40M
- +$1.07M (+32.0%) vs. Q3 2025
- New holders
- 6
- 7 more added
- Sold out
- 5
- 7 more reduced
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting OYSER on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 46 | $2.68M |
| Q1 2026 | 44 | $3.11M |
| Q4 2025 | 45 | $4.40M |
| Q3 2025 | 44 | $3.33M |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Oyster Enterprises II Acquisition Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Meteora Capital, LLC | 2,309,640 | $461.9K | 0.04% | −2,463−0.1% | Reduced |
| Magnetar Financial LLC | 1,300,000 | $260.0K | 0.00% | 00.0% | Unchanged |
| CNH Partners LLC | 1,138,688 | $227.7K | 0.00% | −346,312−23.3% | Reduced |
| LMR Partners LLP | 1,100,000 | $220.0K | 0.00% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 1,000,000 | $200.0K | 0.00% | 00.0% | Unchanged |
| Linden Advisors LP | 1,000,000 | $190.1K | 0.00% | 00.0% | Unchanged |
| Tenor Capital Management Co., L.P. | 900,000 | $180.0K | 0.00% | 00.0% | Unchanged |
| Westchester Capital Management, LLC | 850,000 | $170.0K | 0.01% | +850,000 | New |
| Glazer Capital, LLC | 780,062 | $156.0K | 0.00% | −70,766−8.3% | Reduced |
| Verition Fund Management LLC | 768,752 | $153.8K | 0.00% | 00.0% | Unchanged |
| Harraden Circle Investments, LLC | 705,326 | $141.1K | 0.03% | +522,064+284.9% | Added |
| Millennium Management LLC | 631,000 | $126.2K | 0.00% | +182,500+40.7% | Added |
| Toronto Dominion Bank | 623,500 | $124.7K | 0.00% | +221,865+55.2% | Added |
| Radcliffe Capital Management, L.P. | 551,079 | $110.2K | 0.01% | +495,971+900.0% | Added |
| Hudson Bay Capital Management LP | 501,530 | $100.3K | 0.00% | −195,000−28.0% | Reduced |
| Moore Capital Management, LP | 500,000 | $100.0K | 0.00% | 00.0% | Unchanged |
| Rivernorth Capital Management, LLC | 499,872 | $100.0K | 0.00% | +102,372+25.8% | Added |
| Aristeia Capital LLC | 454,000 | $90.8K | 0.00% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 450,000 | $90.0K | 0.00% | 00.0% | Unchanged |
| Shaolin Capital Management LLC | 450,000 | $90.0K | 0.00% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 400,000 | $80.0K | 0.00% | 00.0% | Unchanged |
| Davidson Kempner Capital Management LP | 400,000 | $80.0K | 0.00% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 400,000 | $80.0K | 0.00% | +400,000 | New |
| MYDA Advisors LLC | 349,000 | $69.8K | 0.02% | +349,000 | New |
| BNP Paribas Arbitrage, SA | 346,312 | $69.3K | 0.00% | +346,312 | New |
| Periscope Capital Inc. | 300,000 | $60.0K | 0.01% | 00.0% | Unchanged |
| Parallax Volatility Advisers, L.P. | 293,600 | $58.7K | 0.00% | −272,392−48.1% | Reduced |
| Bulldog Investors, LLP | 312,349 | $54.0K | 0.01% | +112,349+56.2% | Added |
| Clear Street Group Inc. | 264,071 | $52.8K | 0.00% | −2,000−0.8% | Reduced |
| Context Capital Management, LLC | 250,782 | $50.2K | 0.00% | 00.0% | Unchanged |
| Gabelli & Co Investment Advisers, Inc. | 250,700 | $50.1K | 0.01% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 250,000 | $50.0K | 0.00% | −25,000−9.1% | Reduced |
| Whitebox Advisors LLC | 250,000 | $50.0K | 0.00% | 00.0% | Unchanged |
| Alpine Global Management, LLC | 250,000 | $50.0K | 0.01% | 00.0% | Unchanged |
| Berkley W R Corp | 228,022 | $45.6K | 0.00% | 00.0% | Unchanged |
| MMCAP International Inc. SPC | 200,000 | $40.0K | 0.00% | 00.0% | Unchanged |
| Gabelli Funds LLC | 199,300 | $39.9K | 0.00% | 00.0% | Unchanged |
| Decagon Asset Management LLP | 183,091 | $36.6K | 0.02% | 00.0% | Unchanged |
| Mint Tower Capital Management B.V. | 150,000 | $30.0K | 0.00% | 00.0% | Unchanged |
| DLD Asset Management, LP | 106,092 | $21.2K | 0.00% | +106,092 | New |
| 683 Capital Management, LLC | 75,000 | $15.0K | 0.00% | 00.0% | Unchanged |
| Walleye Capital LLC | 75,000 | $15.0K | 0.00% | +75,000 | New |
| Gritstone Asset Management LLC | 49,430 | $9.89K | 0.01% | 00.0% | Unchanged |
| Bank of America Corp | 100 | $20 | 0.00% | 00.0% | Unchanged |
| CSS LLC | 66,340 | – | – | +10,340+18.5% | Added |
| Mangrove Partners | 0 | $0 | 0.00% | −450,000−100.0% | Sold out |
| Mizuho Securities USA LLC | 0 | $0 | 0.00% | −50,100−100.0% | Sold out |
| Heights Capital Management, Inc | 0 | $0 | 0.00% | −27,483−100.0% | Sold out |
| Highbridge Capital Management LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −100−100.0% | Sold out |