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, Q1 2026
Institutional positions in Oyster Enterprises II Acquisition Corp as of Mar 31, 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
- 44
- −1 vs. Q4 2025
- Shares held
- 22.2M
- +45.6K (+0.2%) vs. Q4 2025
- Total value
- $3.11M
- −$1.29M (−29.4%) vs. Q4 2025
- New holders
- 0
- 5 more added
- Sold out
- 1
- 6 more reduced
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Oyster Enterprises II Acquisition Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Gritstone Asset Management LLC | 49,430 | $6.18K | 0.01% | 00.0% | Unchanged |
| 683 Capital Management, LLC | 75,000 | $9.38K | 0.00% | 00.0% | Unchanged |
| Walleye Capital LLC | 75,000 | $9.38K | 0.00% | 00.0% | Unchanged |
| DLD Asset Management, LP | 106,092 | $13.3K | 0.00% | 00.0% | Unchanged |
| Mint Tower Capital Management B.V. | 150,000 | $19.0K | 0.00% | 00.0% | Unchanged |
| Decagon Asset Management LLP | 183,091 | $22.9K | 0.01% | 00.0% | Unchanged |
| Gabelli Funds LLC | 199,300 | $24.9K | 0.00% | 00.0% | Unchanged |
| MMCAP International Inc. SPC | 200,000 | $25.0K | 0.00% | 00.0% | Unchanged |
| Whitebox Advisors LLC | 250,000 | $31.3K | 0.00% | 00.0% | Unchanged |
| Gabelli & Co Investment Advisers, Inc. | 250,700 | $31.3K | 0.00% | 00.0% | Unchanged |
| Parallax Volatility Advisers, L.P. | 243,027 | $31.4K | 0.00% | −50,573−17.2% | Reduced |
| Clear Street Group Inc. | 264,071 | $33.0K | 0.00% | 00.0% | Unchanged |
| Alpine Global Management, LLC | 245,295 | $36.8K | 0.01% | −4,705−1.9% | Reduced |
| Berkley W R Corp | 228,022 | $38.8K | 0.00% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 250,000 | $42.5K | 0.00% | 00.0% | Unchanged |
| Context Capital Management, LLC | 250,782 | $42.6K | 0.00% | 00.0% | Unchanged |
| MYDA Advisors LLC | 349,000 | $43.6K | 0.01% | 00.0% | Unchanged |
| Bulldog Investors, LLP | 309,689 | $46.5K | 0.01% | −2,660−0.9% | Reduced |
| Toronto Dominion Bank | 400,000 | $50.0K | 0.00% | −223,500−35.8% | Reduced |
| Alberta Investment Management Corp | 400,000 | $50.0K | 0.00% | 00.0% | Unchanged |
| Davidson Kempner Capital Management LP | 400,000 | $50.0K | 0.00% | 00.0% | Unchanged |
| Periscope Capital Inc. | 300,000 | $51.0K | 0.01% | 00.0% | Unchanged |
| Shaolin Capital Management LLC | 450,000 | $56.3K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 346,312 | $58.5K | 0.00% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 501,530 | $60.2K | 0.00% | 00.0% | Unchanged |
| Rivernorth Capital Management, LLC | 499,872 | $62.5K | 0.00% | 00.0% | Unchanged |
| Moore Capital Management, LP | 500,000 | $62.5K | 0.00% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 450,000 | $67.5K | 0.00% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 400,000 | $68.0K | 0.00% | 00.0% | Unchanged |
| Aristeia Capital LLC | 454,000 | $77.2K | 0.00% | 00.0% | Unchanged |
| Millennium Management LLC | 670,000 | $83.8K | 0.00% | +39,000+6.2% | Added |
| Radcliffe Capital Management, L.P. | 551,079 | $93.7K | 0.01% | 00.0% | Unchanged |
| Verition Fund Management LLC | 790,090 | $94.9K | 0.00% | +21,338+2.8% | Added |
| Picton Mahoney Asset Management | 800,000 | $100.0K | 0.00% | −200,000−20.0% | Reduced |
| Tenor Capital Management Co., L.P. | 900,000 | $112.5K | 0.00% | 00.0% | Unchanged |
| Glazer Capital, LLC | 770,658 | $116.0K | 0.00% | −9,404−1.2% | Reduced |
| Westchester Capital Management, LLC | 850,000 | $127.5K | 0.01% | 00.0% | Unchanged |
| CNH Partners LLC | 1,139,265 | $136.8K | 0.00% | +577+0.1% | Added |
| LMR Partners LLP | 1,100,000 | $137.5K | 0.00% | 00.0% | Unchanged |
| Harraden Circle Investments, LLC | 1,178,826 | $147.4K | 0.03% | +473,500+67.1% | Added |
| Linden Advisors LP | 1,000,000 | $170.0K | 0.00% | 00.0% | Unchanged |
| Magnetar Financial LLC | 1,300,000 | $220.9K | 0.00% | 00.0% | Unchanged |
| Meteora Capital, LLC | 2,311,790 | $346.8K | 0.03% | +2,150+0.1% | Added |
| CSS LLC | 66,340 | – | – | 00.0% | Unchanged |
| Bank of America Corp | 0 | $0 | 0.00% | −100−100.0% | Sold out |