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, Q3 2025
Institutional positions in Oyster Enterprises II Acquisition Corp as of Sep 30, 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
- 44
- +44 vs. Q2 2025
- Shares held
- 19.8M
- +19.8M vs. Q2 2025
- Total value
- $3.33M
- +$3.33M vs. Q2 2025
- New holders
- 44
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Oyster Enterprises II Acquisition Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bank of America Corp | 100 | $17 | 0.00% | +100 | New |
| UBS Group AG | 100 | $17 | 0.00% | +100 | New |
| Highbridge Capital Management LLC | 1,000 | $170 | 0.00% | +1,000 | New |
| Heights Capital Management, Inc | 27,483 | $4.67K | 0.00% | +27,483 | New |
| Mizuho Securities USA LLC | 50,100 | $7.51K | 0.00% | +50,100 | New |
| Gritstone Asset Management LLC | 49,430 | $8.40K | 0.01% | +49,430 | New |
| 683 Capital Management, LLC | 75,000 | $12.8K | 0.00% | +75,000 | New |
| Mint Tower Capital Management B.V. | 150,000 | $26.0K | 0.00% | +150,000 | New |
| Bulldog Investors, LLP | 200,000 | $30.0K | 0.01% | +200,000 | New |
| Decagon Asset Management LLP | 183,091 | $31.1K | 0.02% | +183,091 | New |
| Harraden Circle Investments, LLC | 183,262 | $31.2K | 0.01% | +183,262 | New |
| Gabelli Funds LLC | 199,300 | $33.9K | 0.00% | +199,300 | New |
| MMCAP International Inc. SPC | 200,000 | $34.0K | 0.00% | +200,000 | New |
| Berkley W R Corp | 228,022 | $38.8K | 0.00% | +228,022 | New |
| Whitebox Advisors LLC | 250,000 | $42.5K | 0.00% | +250,000 | New |
| Alpine Global Management, LLC | 250,000 | $42.5K | 0.01% | +250,000 | New |
| Gabelli & Co Investment Advisers, Inc. | 250,700 | $42.6K | 0.01% | +250,700 | New |
| Context Capital Management, LLC | 250,782 | $42.6K | 0.00% | +250,782 | New |
| Clear Street Group Inc. | 266,071 | $45.2K | 0.00% | +266,071 | New |
| Schonfeld Strategic Advisors LLC | 275,000 | $46.8K | 0.00% | +275,000 | New |
| Periscope Capital Inc. | 300,000 | $51.0K | 0.01% | +300,000 | New |
| Rivernorth Capital Management, LLC | 397,500 | $67.6K | 0.00% | +397,500 | New |
| Polar Asset Management Partners Inc. | 400,000 | $68.0K | 0.00% | +400,000 | New |
| Davidson Kempner Capital Management LP | 400,000 | $68.0K | 0.00% | +400,000 | New |
| Toronto Dominion Bank | 401,635 | $68.3K | 0.00% | +401,635 | New |
| Millennium Management LLC | 448,500 | $76.2K | 0.00% | +448,500 | New |
| Mangrove Partners | 450,000 | $76.5K | 0.01% | +450,000 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 450,000 | $76.5K | 0.00% | +450,000 | New |
| Shaolin Capital Management LLC | 450,000 | $76.5K | 0.00% | +450,000 | New |
| Aristeia Capital LLC | 454,000 | $77.2K | 0.00% | +454,000 | New |
| Moore Capital Management, LP | 500,000 | $85.0K | 0.00% | +500,000 | New |
| Parallax Volatility Advisers, L.P. | 565,992 | $96.2K | 0.00% | +565,992 | New |
| Hudson Bay Capital Management LP | 696,530 | $118.4K | 0.00% | +696,530 | New |
| Verition Fund Management LLC | 768,752 | $130.7K | 0.00% | +768,752 | New |
| Glazer Capital, LLC | 850,828 | $145.0K | 0.00% | +850,828 | New |
| Tenor Capital Management Co., L.P. | 900,000 | $153.0K | 0.00% | +900,000 | New |
| Picton Mahoney Asset Management | 1,000,000 | $170.0K | 0.00% | +1,000,000 | New |
| Linden Advisors LP | 1,000,000 | $175.7K | 0.00% | +1,000,000 | New |
| LMR Partners LLP | 1,100,000 | $187.0K | 0.00% | +1,100,000 | New |
| Magnetar Financial LLC | 1,300,000 | $221.0K | 0.00% | +1,300,000 | New |
| CNH Partners LLC | 1,485,000 | $233.1K | 0.01% | +1,485,000 | New |
| Meteora Capital, LLC | 2,312,103 | $393.1K | 0.04% | +2,312,103 | New |
| CSS LLC | 56,000 | – | – | +56,000 | New |
| Radcliffe Capital Management, L.P. | 55,108 | – | – | +55,108 | New |