Oyster Enterprises II Acq-AOYSE
13F holders, Q4 2025 (December 31)60holders +8
7new positions
0sold out
2famous investors
$10.10avg. 13F price*
At the end of Q4 2025, 60 institutions reported holding Oyster Enterprises II Acq-A (OYSE) in their 13F filings, up 8 from Q3 2025. 7 opened new positions and 0 sold out. The largest holders were Glazer Capital, LLC ($15.1M), Magnetar Financial LLC ($13.1M) and Westchester Capital Management, LLC ($13.1M). 2 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Oyster Enterprises II Acq-A
- CUSIP
- G6861F104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 7 | $11.5M |
| Exits | 0 | $0 |
All 13F filers, Q3 2025 → Q4 2025: 2,979,328 shares bought and 484,521 shares sold, net +2,494,807 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 60 holders
| Glazer Capital, LLC | 0.45% | Add +0.1% | 1,501,396 | $15.1M |
| Magnetar Financial LLC | 0.14% | No change | 1,300,000 | $13.1M |
| Westchester Capital Management, LLC | 0.62% | Add +191.0% | 1,295,112 | $13.1M |
| D. E. Shaw & Co. | 0.01% | No change | 1,252,350 | $12.7M |
| Meteora Capital, LLC | 1.04% | Reduce -10.6% | 1,199,983 | $12.1M |
| Linden Advisors LP | 0.88% | No change | 1,150,000 | $11.6M |
| AQR Arbitrage LLC | 0.31% | No change | 1,138,688 | $11.5M |
| LMR Partners LLP | 0.14% | No change | 1,100,000 | $11.1M |
| Picton Mahoney Asset Management | 0.11% | No change | 1,000,000 | $10.1M |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 0.77% | No change | 900,000 | $9.1M |
| Two Sigma Investments, LP | 0.01% | No change | 797,500 | $8.0M |
| Hudson Bay Capital Management LP | 0.04% | No change | 696,530 | $7.0M |
| Karpus Management, Inc. | 0.21% | Add +8.6% | 673,111 | $6.8M |
| Millennium Management | 0.00% | Add +32.6% | 630,000 | $6.4M |
| Radcliffe Capital Management, L.P. | 0.89% | Add +18.8% | 623,741 | $6.3M |
| Moore Capital Management, LP | 0.11% | No change | 500,000 | $5.1M |
| Rivernorth Capital Management, LLC | 0.24% | Add +25.2% | 497,500 | $5.0M |
| Berkley W R Corp. | 0.27% | No change | 475,872 | $4.8M |
| Aristeia Capital, L.L.C. | 0.23% | No change | 454,000 | $4.6M |
| Mangrove Partners Im, LLC | 0.37% | No change | 450,000 | $4.5M |
| Verition Fund Management LLC | 0.02% | Reduce -3.3% | 422,615 | $4.3M |
| Polar Asset Management Partners Inc. | 0.10% | No change | 400,000 | $4.0M |
| Davidson Kempner Capital Management LP | 0.08% | No change | 400,000 | $4.0M |
| Alberta Investment Management Corp | 0.03% | New | 400,000 | $4.0M |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.02% | New | 400,000 | $4.0M |
| Goldman Sachs Group Inc. | 0.00% | No change | 346,312 | $3.5M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | Reduce -24.4% | 340,000 | $3.4M |
| Toronto Dominion Bank | 0.01% | Add +1208.0% | 327,000 | $3.3M |
| Bulldog Investors, LLP | 0.74% | Add +52.3% | 327,096 | $3.3M |
| Periscope Capital Inc. | 0.61% | Reduce -8.3% | 298,000 | $3.0M |
| GABELLI & Co INVESTMENT ADVISERS, INC. | 0.38% | No change | 250,700 | $2.5M |
| Context Capital Management, LLC | 0.84% | No change | 250,782 | $2.5M |
| Whitebox Advisors LLC | 0.16% | No change | 250,000 | $2.5M |
| Wolverine Asset Management LLC | 0.14% | Add +73.1% | 235,070 | $2.4M |
| Schonfeld Strategic Advisors LLC | 0.01% | Add +38.0% | 206,491 | $2.1M |
| Clear Street Group Inc. | 0.01% | Reduce -18.7% | 200,008 | $2.0M |
| Shaolin Capital Management LLC | 0.27% | Reduce -19.9% | 200,000 | $2.0M |
| MMCAP International Inc. SPC | 0.21% | No change | 200,000 | $2.0M |
| Gabelli Funds LLC | 0.01% | No change | 199,300 | $2.0M |
| MYDA Advisors LLC | 0.57% | New | 199,000 | $2.0M |
| Mint Tower Capital Management B.V. | 0.48% | No change | 150,000 | $1.5M |
| First Trust Capital Management L.P. | 0.09% | No change | 150,000 | $1.5M |
| DLD Asset Management, LP | 0.35% | Add +0.0% | 100,038 | $1.0M |
| L1 Global Manager Pty Ltd | 0.66% | — | 100,000 | $1.0M |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 0.03% | No change | 100,000 | $1.0M |
| 683 Capital Management, LLC | 0.07% | No change | 75,000 | $758K |
| Walleye Capital LLC | 0.00% | New | 75,000 | $758K |
| Heights Capital Management, Inc. | 0.19% | No change | 50,000 | $506K |
| Deltec Asset Management LLC | 0.08% | No change | 50,000 | $504K |
| Gritstone Asset Management LLC | 0.49% | No change | 49,429 | $500K |
| Dakota Wealth Management | 0.01% | Add +65.4% | 42,500 | $428K |
| Alyeska Investment Group, L.P. | 0.00% | No change | 25,000 | $261K |
| Abc Arbitrage SA | 0.02% | New | 25,000 | $253K |
| Susquehanna International Group, LLP | 0.00% | New | 23,468 | $237K |
| Mizuho Securities USA LLC | 0.00% | Reduce -85.1% | 16,690 | $167K |
| Geode Capital Management, LLC | 0.00% | No change | 14,458 | $146K |
| Virtu Financial LLC | 0.00% | New | 10,979 | $111K |
| Warberg Asset Management LLC | 0.32% | No change | 10,000 | $101K |
| Citigroup Inc. | 0.00% | No change | 3,900 | $39K |
| Morgan Stanley | 0.00% | Add +335.0% | 87 | $877 |
"% of holder's portfolio" is OYSE's weight in each manager's 13F, not the share of Oyster Enterprises II Acq-A the manager owns.