Oyster Enterprises II Acquisition Corp - OYSE
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| GLAZER CAPITAL, LLC | History | Added to | 1,501,396 | 15,134 | 0.4% | 0.5% | 1 | +1,513 | 0.1% | Q4 2025 | Feb 13, 2026 |
| Magnetar Financial LLC | History | No change | 1,300,000 | 13,143 | 0.13% | 0.08% | 2 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Westchester Capital Management, LLC | History | No change | 1,295,112 | 13,093 | 0.55% | 0.59% | 3 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| D. E. Shaw & Co., Inc. | History | No change | 1,252,350 | 12,661 | 0.01% | 0.01% | 4 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| METEORA CAPITAL, LLC | History | Reduced | 1,199,983 | 12,095 | 1.01% | 1.42% | 5 | -142,293 | -10.6% | Q4 2025 | Feb 17, 2026 |
| LINDEN ADVISORS LP | History | No change | 1,150,000 | 11,626 | 0.07% | 0.08% | 6 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| AQR Arbitrage LLC | History | No change | 1,138,688 | 11,512 | 0.24% | 0.29% | 7 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| LMR Partners LLP | History | No change | 1,100,000 | 11,121 | 0.02% | 0.05% | 8 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| PICTON MAHONEY ASSET MANAGEMENT | History | No change | 1,000,000 | 10,095 | 0.08% | 0.09% | 9 | 0 | 0.0% | Q4 2025 | Feb 11, 2026 |
| TENOR CAPITAL MANAGEMENT Co., L.P. | History | No change | 900,000 | 9,099 | 0.13% | 0.12% | 10 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | No change | 797,500 | 8,038 | 0.01% | 0.01% | 11 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Reduced | 730,986 | 7,424 | 0.0% | 0.0% | 12 | -45,002 | -5.8% | Q4 2025 | Feb 17, 2026 |
| Hudson Bay Capital Management LP | History | No change | 696,530 | 7,041 | 0.02% | 0.02% | 13 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| Karpus Management, Inc. | History | Added to | 673,111 | 6,784 | 0.21% | 0.2% | 14 | +53,394 | 8.62% | Q4 2025 | Feb 17, 2026 |
| Radcliffe Capital Management, L.P. | History | Added to | 623,741 | 6,296 | 0.34% | 0.33% | 15 | +98,631 | 18.78% | Q4 2025 | Feb 17, 2026 |
| MOORE CAPITAL MANAGEMENT, LP | History | No change | 500,000 | 5,055 | 0.07% | 0.07% | 16 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | History | Reduced | 497,500 | 5,014 | 0.24% | 0.29% | 17 | -2,372 | -0.47% | Q4 2025 | Feb 17, 2026 |
| BERKLEY W R CORP | History | No change | 475,872 | 4,796 | 0.23% | 0.27% | 18 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| ARISTEIA CAPITAL, L.L.C. | History | No change | 454,000 | 4,589 | 0.1% | 0.11% | 19 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| MANGROVE PARTNERS IM, LLC | History | No change | 450,000 | 4,549 | 0.37% | 0.33% | 20 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Verition Fund Management LLC | History | Reduced | 422,615 | 4,272 | 0.02% | 0.02% | 21 | -14,285 | -3.27% | Q4 2025 | Feb 13, 2026 |
| Polar Asset Management Partners Inc. | History | New | 400,000 | 4,044 | 0.05% | — | 22 | +400,000 | New | Q4 2025 | Feb 17, 2026 |
| Alberta Investment Management Corp | History | No change | 400,000 | 4,044 | 0.02% | 0.03% | 23 | 0 | 0.0% | Q4 2025 | Feb 19, 2026 |
| DAVIDSON KEMPNER CAPITAL MANAGEMENT LP | History | No change | 400,000 | 4,044 | 0.06% | 1.4% | 24 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | History | New | 400,000 | 4,038 | 0.02% | — | 25 | +400,000 | New | Q4 2025 | Feb 10, 2026 |
| GOLDMAN SACHS GROUP INC | History | No change | 346,312 | 3,490 | 0.0% | 0.0% | 26 | 0 | 0.0% | Q4 2025 | Mar 25, 2026 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | History | Reduced | 340,000 | 3,437 | 0.01% | 0.01% | 27 | -110,000 | -24.44% | Q4 2025 | Feb 13, 2026 |
| TORONTO DOMINION BANK | History | Added to | 327,000 | 3,305 | 0.0% | 0.0% | 28 | +302,000 | 1208.0% | Q4 2025 | Feb 17, 2026 |
| Bulldog Investors, LLP | History | Reduced | 327,096 | 3,297 | 0.73% | 0.78% | 29 | -7,850 | -2.34% | Q4 2025 | Feb 13, 2026 |
| PERISCOPE CAPITAL INC. | History | Reduced | 298,000 | 3,008 | 0.34% | 0.52% | 30 | -27,000 | -8.31% | Q4 2025 | Feb 10, 2026 |
| Clear Street Group Inc. | History | Reduced | 250,716 | 2,551 | 0.01% | 0.01% | 31 | -34,844 | -12.2% | Q4 2025 | Feb 13, 2026 |
| GABELLI & Co INVESTMENT ADVISERS, INC. | History | No change | 250,700 | 2,534 | 0.38% | 0.4% | 32 | 0 | 0.0% | Q4 2025 | Feb 05, 2026 |
| Context Capital Management, LLC | History | No change | 250,782 | 2,531 | 0.07% | 0.08% | 33 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| WHITEBOX ADVISORS LLC | History | No change | 250,000 | 2,527 | 0.04% | 0.04% | 34 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| WOLVERINE ASSET MANAGEMENT LLC | History | Added to | 235,070 | 2,376 | 0.02% | 0.01% | 35 | +99,273 | 73.1% | Q4 2025 | Feb 02, 2026 |
| Schonfeld Strategic Advisors LLC | History | Added to | 206,491 | 2,084 | 0.01% | 0.01% | 36 | +56,818 | 37.96% | Q4 2025 | Feb 17, 2026 |
| Shaolin Capital Management LLC | History | Reduced | 200,000 | 2,022 | 0.06% | 0.11% | 38 | -49,654 | -19.89% | Q4 2025 | Feb 17, 2026 |
| MMCAP International Inc. SPC | History | No change | 200,000 | 2,022 | 0.2% | 0.23% | 37 | 0 | 0.0% | Q4 2025 | Feb 09, 2026 |
| GABELLI FUNDS LLC | History | New | 199,300 | 2,014 | 0.01% | — | 39 | +199,300 | New | Q4 2025 | Feb 05, 2026 |
| MYDA Advisors LLC | History | Reduced | 199,000 | 2,008 | 0.38% | 0.77% | 40 | -151,000 | -43.14% | Q4 2025 | Feb 13, 2026 |
| Mint Tower Capital Management B.V. | History | No change | 150,000 | 1,517 | 0.18% | 0.18% | 41 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| First Trust Capital Management L.P. | History | No change | 150,000 | 1,516 | 0.09% | 0.1% | 42 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| Calamos Advisors LLC | History | No change | 123,093 | 1,277 | 0.0% | 0.0% | 43 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| JPMORGAN CHASE & CO | History | No change | 100,000 | 1,045 | 0.0% | 0.0% | 44 | 0 | 0.0% | Q4 2025 | Feb 11, 2026 |
| L1 Global Manager Pty Ltd | History | New | 100,000 | 1,011 | 0.66% | — | 47 | +100,000 | New | Q4 2025 | Feb 13, 2026 |
| DLD Asset Management, LP | History | Reduced | 100,038 | 1,011 | 0.07% | 0.07% | 46 | -99,962 | -49.98% | Q4 2025 | Feb 13, 2026 |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | History | No change | 100,000 | 1,011 | 1.4% | 0.16% | 45 | 0 | 0.0% | Q4 2025 | Mar 04, 2026 |
| 683 Capital Management, LLC | History | No change | 75,000 | 758 | 0.03% | 0.04% | 48 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Walleye Capital LLC | History | No change | 75,000 | 758 | 0.0% | 0.0% | 49 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| OMERS ADMINISTRATION Corp | History | Added to | 59,850 | 625 | 0.0% | 0.0% | 50 | +23 | 0.04% | Q4 2025 | Feb 13, 2026 |
| READYSTATE ASSET MANAGEMENT LP | History | No change | 49,470 | 516 | 0.02% | 0.02% | 51 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| HEIGHTS CAPITAL MANAGEMENT, INC | History | No change | 50,000 | 505 | 0.18% | 0.14% | 52 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| DELTEC ASSET MANAGEMENT LLC | History | No change | 50,000 | 504 | 0.08% | 0.08% | 53 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| GRITSTONE ASSET MANAGEMENT LLC | History | No change | 49,429 | 499 | 0.48% | 0.51% | 54 | 0 | 0.0% | Q4 2025 | Jan 23, 2026 |
| Dakota Wealth Management | History | Added to | 42,500 | 428 | 0.01% | 0.01% | 55 | +16,800 | 65.37% | Q4 2025 | Jan 13, 2026 |
| Alyeska Investment Group, L.P. | History | No change | 25,000 | 261 | 0.0% | 0.0% | 56 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| ABC ARBITRAGE SA | History | New | 25,000 | 252 | 0.02% | — | 57 | +25,000 | New | Q4 2025 | Feb 04, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | New | 23,468 | 237 | 0.0% | — | 58 | +23,468 | New | Q4 2025 | Feb 17, 2026 |
| MIZUHO SECURITIES USA LLC | History | Reduced | 16,690 | 167 | 0.0% | 0.02% | 59 | -95,347 | -85.1% | Q4 2025 | Feb 09, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | No change | 14,458 | 146 | 0.0% | 0.0% | 60 | 0 | 0.0% | Q4 2025 | Feb 09, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 13,161 | 137 | 0.0% | 0.0% | 61 | -58 | -0.44% | Q4 2025 | Feb 17, 2026 |
| Virtu Financial LLC | History | New | 10,979 | 111 | 0.0% | — | 62 | +10,979 | New | Q4 2025 | Feb 23, 2026 |
| Warberg Asset Management LLC | History | No change | 10,000 | 100 | 0.01% | 0.02% | 63 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| CITIGROUP INC | History | No change | 3,900 | 39 | 0.0% | 0.0% | 64 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| UBS Group AG | History | Reduced | 2,231 | 22 | 0.0% | 0.0% | 65 | -200 | -8.23% | Q4 2025 | Jan 29, 2026 |
| Tuttle Capital Management, LLC | History | Closed out | 0 | 0 | — | 0.39% | — | -10,000 | -100.0% | Q3 2025 | Oct 20, 2025 |
| MORGAN STANLEY | History | Added to | 87 | 0 | — | — | — | +67 | 335.0% | Q4 2025 | Feb 13, 2026 |