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, Q2 2026
Institutional positions in Oyster Enterprises II Acquisition Corp as of Jun 30, 2026. 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
- 46
- +2 vs. Q1 2026
- Shares held
- 22.7M
- +513.8K (+2.3%) vs. Q1 2026
- Total value
- $2.68M
- −$431.3K (−13.9%) vs. Q1 2026
- New holders
- 3
- 4 more added
- Sold out
- 1
- 6 more reduced
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Oyster Enterprises II Acquisition Corp; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Gritstone Asset Management LLC | 49,430 | $5.44K | 0.01% | 00.0% | Unchanged |
| 683 Capital Management, LLC | 75,000 | $8.26K | 0.00% | 00.0% | Unchanged |
| Walleye Capital LLC | 75,000 | $8.26K | 0.00% | 00.0% | Unchanged |
| DLD Asset Management, LP | 106,092 | $11.7K | 0.00% | 00.0% | Unchanged |
| Calamos Advisors LLC | 123,093 | $16.6K | 0.00% | +123,093 | New |
| Mint Tower Capital Management B.V. | 150,000 | $17.0K | 0.00% | 00.0% | Unchanged |
| Parallax Volatility Advisers, L.P. | 143,527 | $19.4K | 0.00% | −99,500−40.9% | Reduced |
| Gabelli Funds LLC | 199,300 | $21.9K | 0.00% | 00.0% | Unchanged |
| MMCAP International Inc. SPC | 200,000 | $22.0K | 0.00% | 00.0% | Unchanged |
| Alpine Global Management, LLC | 245,295 | $27.0K | 0.00% | 00.0% | Unchanged |
| Whitebox Advisors LLC | 250,000 | $27.5K | 0.00% | 00.0% | Unchanged |
| Gabelli & Co Investment Advisers, Inc. | 250,700 | $27.6K | 0.00% | 00.0% | Unchanged |
| Clear Street Group Inc. | 262,071 | $28.9K | 0.00% | −2,000−0.8% | Reduced |
| Schonfeld Strategic Advisors LLC | 250,000 | $33.8K | 0.00% | 00.0% | Unchanged |
| Decagon Asset Management LLP | 307,542 | $33.9K | 0.01% | +124,451+68.0% | Added |
| Context Capital Management, LLC | 250,782 | $33.9K | 0.00% | 00.0% | Unchanged |
| Bulldog Investors, LLP | 308,189 | $33.9K | 0.01% | −1,500−0.5% | Reduced |
| MYDA Advisors LLC | 349,000 | $38.4K | 0.01% | 00.0% | Unchanged |
| Periscope Capital Inc. | 300,000 | $40.5K | 0.01% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 400,000 | $44.0K | 0.00% | 00.0% | Unchanged |
| Davidson Kempner Capital Management LP | 400,000 | $44.0K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 346,312 | $46.8K | 0.00% | 00.0% | Unchanged |
| Shaolin Capital Management LLC | 440,391 | $48.5K | 0.00% | −9,609−2.1% | Reduced |
| Sona Asset Management (US) LLC | 450,000 | $49.5K | 0.00% | +450,000 | New |
| Aristeia Capital LLC | 454,000 | $50.0K | 0.00% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 400,000 | $54.0K | 0.00% | +400,000 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 450,000 | $54.0K | 0.00% | 00.0% | Unchanged |
| Moore Capital Management, LP | 500,000 | $55.0K | 0.00% | 00.0% | Unchanged |
| Toronto Dominion Bank | 516,549 | $56.8K | 0.00% | +116,549+29.1% | Added |
| Polar Asset Management Partners Inc. | 426,600 | $57.6K | 0.00% | +26,600+6.7% | Added |
| Hudson Bay Capital Management LP | 501,530 | $60.2K | 0.00% | 00.0% | Unchanged |
| Rivernorth Capital Management, LLC | 499,872 | $64.9K | 0.00% | 00.0% | Unchanged |
| Verition Fund Management LLC | 580,774 | $69.8K | 0.00% | −209,316−26.5% | Reduced |
| Millennium Management LLC | 670,000 | $73.8K | 0.00% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 551,079 | $74.4K | 0.01% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 800,000 | $88.1K | 0.00% | 00.0% | Unchanged |
| Westchester Capital Management, LLC | 850,000 | $93.6K | 0.00% | 00.0% | Unchanged |
| Tenor Capital Management Co., L.P. | 900,000 | $99.1K | 0.00% | 00.0% | Unchanged |
| Glazer Capital, LLC | 770,658 | $104.0K | 0.00% | 00.0% | Unchanged |
| LMR Partners LLP | 1,100,000 | $121.1K | 0.00% | 00.0% | Unchanged |
| Harraden Circle Investments, LLC | 1,178,826 | $129.8K | 0.02% | 00.0% | Unchanged |
| Linden Advisors LP | 1,000,000 | $135.1K | 0.00% | 00.0% | Unchanged |
| CNH Partners LLC | 1,140,765 | $137.0K | 0.00% | +1,500+0.1% | Added |
| Magnetar Financial LLC | 1,300,000 | $175.6K | 0.00% | 00.0% | Unchanged |
| Meteora Capital, LLC | 2,133,322 | $234.9K | 0.02% | −178,468−7.7% | Reduced |
| CSS LLC | 66,340 | – | – | 00.0% | Unchanged |
| Berkley W R Corp | 0 | $0 | 0.00% | −228,022−100.0% | Sold out |