Oyster Enterprises II Acquisition Corp
OYSE- 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; 62 institutions reported holding it in 13F filings for Q2 2026, worth $253.8M 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
- 62
- +2 vs. Q1 2026
- Shares held
- 24.6M
- +93.7K (+0.4%) vs. Q1 2026
- Total value
- $253.8M
- +$3.74M (+1.5%) vs. Q1 2026
- New holders
- 3
- 9 more added
- Sold out
- 1
- 10 more reduced
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting OYSE 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 | 62 | $253.8M |
| Q1 2026 | 60 | $250.0M |
| Q4 2025 | 60 | $248.1M |
| Q3 2025 | 52 | $220.2M |
| 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 |
|---|---|---|---|---|---|
| Morgan Stanley | 43 | $442 | 0.00% | −24−35.8% | Reduced |
| Warberg Asset Management LLC | 10,000 | $102.9K | 0.03% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 14,458 | $149.1K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 20,834 | $214.8K | 0.00% | −1,012−4.6% | Reduced |
| Abc Arbitrage SA | 25,000 | $257.3K | 0.03% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 39,898 | $411.3K | 0.00% | 00.0% | Unchanged |
| Dakota Wealth Management | 40,900 | $420.9K | 0.01% | 00.0% | Unchanged |
| Highbridge Capital Management LLC | 47,911 | $492.0K | 0.02% | +47,911 | New |
| Gritstone Asset Management LLC | 49,429 | $508.6K | 0.49% | 00.0% | Unchanged |
| Deltec Asset Management LLC | 50,000 | $514.5K | 0.08% | 00.0% | Unchanged |
| Limestone Investment Advisors LP | 50,094 | $515.5K | 0.26% | +50,094 | New |
| Heights Capital Management, Inc | 50,000 | $515.5K | 0.12% | 00.0% | Unchanged |
| 683 Capital Management, LLC | 75,000 | $771.8K | 0.07% | 00.0% | Unchanged |
| Parallax Volatility Advisers, L.P. | 90,616 | $934.3K | 0.03% | +21,576+31.3% | Added |
| L1 Global Manager Pty Ltd | 100,000 | $1.03M | 0.83% | 00.0% | Unchanged |
| DLD Asset Management, LP | 100,038 | $1.03M | 0.08% | 00.0% | Unchanged |
| O'Connor Alternative Investments LLC | 100,000 | $1.03M | 0.08% | 00.0% | Unchanged |
| Calamos Advisors LLC | 123,093 | $1.27M | 0.00% | +123,093 | New |
| Mizuho Securities USA LLC | 146,483 | $1.50M | 0.02% | +129,793+777.7% | Added |
| Vivaldi Asset Management, LLC | 150,000 | $1.54M | 0.09% | 00.0% | Unchanged |
| Mint Tower Capital Management B.V. | 150,000 | $1.54M | 0.18% | 00.0% | Unchanged |
| Sona Asset Management (US) LLC | 173,344 | $1.78M | 0.07% | 00.0% | Unchanged |
| Gabelli Funds LLC | 174,300 | $1.79M | 0.01% | −25,000−12.5% | Reduced |
| Clear Street Group Inc. | 178,908 | $1.84M | 0.01% | −20,587−10.3% | Reduced |
| MYDA Advisors LLC | 199,000 | $2.05M | 0.50% | 00.0% | Unchanged |
| MMCAP International Inc. SPC | 200,000 | $2.06M | 0.17% | 00.0% | Unchanged |
| Shaolin Capital Management LLC | 210,002 | $2.16M | 0.12% | −39,998−16.0% | Reduced |
| Wolverine Asset Management LLC | 214,698 | $2.21M | 0.03% | −2,410−1.1% | Reduced |
| Schonfeld Strategic Advisors LLC | 235,091 | $2.42M | 0.01% | +27,788+13.4% | Added |
| Periscope Capital Inc. | 244,345 | $2.51M | 0.40% | 00.0% | Unchanged |
| Whitebox Advisors LLC | 250,000 | $2.57M | 0.04% | 00.0% | Unchanged |
| Gabelli & Co Investment Advisers, Inc. | 250,700 | $2.58M | 0.38% | 00.0% | Unchanged |
| Context Capital Management, LLC | 250,782 | $2.58M | 0.05% | 00.0% | Unchanged |
| Toronto Dominion Bank | 277,000 | $2.85M | 0.00% | 00.0% | Unchanged |
| Verition Fund Management LLC | 292,103 | $3.01M | 0.02% | −9,608−3.2% | Reduced |
| Bulldog Investors, LLP | 320,436 | $3.30M | 0.73% | −4,000−1.2% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 340,000 | $3.51M | 0.01% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 346,312 | $3.56M | 0.00% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 350,000 | $3.60M | 0.02% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 399,800 | $4.11M | 0.08% | −1000.0% | Reduced |
| Davidson Kempner Capital Management LP | 400,000 | $4.12M | 0.07% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 400,000 | $4.12M | 0.02% | 00.0% | Unchanged |
| Mangrove Partners | 450,000 | $4.63M | 0.30% | 00.0% | Unchanged |
| Aristeia Capital LLC | 454,000 | $4.67M | 0.07% | 00.0% | Unchanged |
| Berkley W R Corp | 475,872 | $4.91M | 0.24% | 00.0% | Unchanged |
| Rivernorth Capital Management, LLC | 475,000 | $4.91M | 0.23% | 00.0% | Unchanged |
| Moore Capital Management, LP | 500,000 | $5.14M | 0.12% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 623,742 | $6.42M | 0.49% | +10.0% | Added |
| Millennium Management LLC | 669,000 | $6.88M | 0.00% | +110.0% | Added |
| Hudson Bay Capital Management LP | 696,530 | $7.18M | 0.03% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 797,500 | $8.21M | 0.01% | 00.0% | Unchanged |
| Karpus Management, Inc. | 803,996 | $8.27M | 0.24% | +145,935+22.2% | Added |
| Meteora Capital, LLC | 881,794 | $9.07M | 0.75% | −306,993−25.8% | Reduced |
| Tenor Capital Management Co., L.P. | 900,000 | $9.26M | 0.13% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 1,015,000 | $10.4M | 0.10% | +15,000+1.5% | Added |
| LMR Partners LLP | 1,100,000 | $11.3M | 0.08% | 00.0% | Unchanged |
| CNH Partners LLC | 1,100,584 | $11.3M | 0.16% | +4,900+0.4% | Added |
| Linden Advisors LP | 1,150,000 | $11.9M | 0.06% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 1,252,350 | $12.9M | 0.01% | 00.0% | Unchanged |
| Westchester Capital Management, LLC | 1,295,112 | $13.4M | 0.67% | 00.0% | Unchanged |
| Magnetar Financial LLC | 1,300,000 | $13.4M | 0.12% | 00.0% | Unchanged |
| Glazer Capital, LLC | 1,562,348 | $16.1M | 0.40% | +12,348+0.8% | Added |
| Walleye Capital LLC | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |