AA Mission Acquisition Corp. II - YCY
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| METEORA CAPITAL, LLC | History | Reduced | 782,676 | 7,850 | 0.58% | 0.67% | 1 | -17,316 | -2.16% | Q1 2026 | May 15, 2026 |
| Magnetar Financial LLC | History | No change | 700,000 | 7,049 | 0.07% | 0.07% | 2 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| MIZUHO SECURITIES USA LLC | History | Reduced | 643,039 | 6,430 | 0.15% | 0.13% | 3 | -157,007 | -19.62% | Q1 2026 | May 11, 2026 |
| WOLVERINE ASSET MANAGEMENT LLC | History | Added to | 579,734 | 5,837 | 0.06% | 0.04% | 4 | +94,347 | 19.44% | Q1 2026 | May 04, 2026 |
| Westchester Capital Management, LLC | History | No change | 572,185 | 5,739 | 0.26% | 0.24% | 5 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| ARISTEIA CAPITAL, L.L.C. | History | No change | 558,328 | 5,622 | 0.12% | 0.12% | 6 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| AQR Arbitrage LLC | History | Reduced | 536,609 | 5,382 | 0.09% | 0.12% | 7 | -16,937 | -3.06% | Q1 2026 | May 15, 2026 |
| WHITEBOX ADVISORS LLC | History | No change | 500,000 | 5,035 | 0.06% | 0.07% | 8 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| BlueCrest Capital Management Ltd | History | New | 400,000 | 4,028 | 0.24% | — | 11 | +400,000 | New | Q1 2026 | May 15, 2026 |
| Hudson Bay Capital Management LP | History | No change | 400,000 | 4,028 | 0.01% | 0.01% | 9 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| Shaolin Capital Management LLC | History | No change | 400,000 | 4,028 | 0.15% | 0.12% | 10 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| OMERS ADMINISTRATION Corp | History | No change | 400,000 | 4,020 | 0.03% | 0.03% | 12 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| BERKLEY W R CORP | History | Added to | 392,235 | 3,941 | 0.21% | 0.16% | 13 | +49,801 | 14.54% | Q1 2026 | May 15, 2026 |
| Clear Street Group Inc. | History | Reduced | 378,579 | 3,804 | 0.02% | 0.01% | 14 | -48 | -0.01% | Q1 2026 | May 15, 2026 |
| Radcliffe Capital Management, L.P. | History | No change | 350,000 | 3,517 | 0.26% | 0.19% | 15 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| GLAZER CAPITAL, LLC | History | No change | 339,306 | 3,403 | 0.07% | 0.09% | 16 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| TORONTO DOMINION BANK | History | Reduced | 306,297 | 3,066 | 0.0% | 0.0% | 17 | -4,503 | -1.45% | Q1 2026 | May 15, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | No change | 300,000 | 3,021 | 0.0% | 0.0% | 18 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| MANGROVE PARTNERS IM, LLC | History | No change | 267,147 | 2,690 | 0.22% | 0.22% | 19 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| D. E. Shaw & Co., Inc. | History | No change | 250,000 | 2,517 | 0.0% | 0.0% | 20 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| LINDEN ADVISORS LP | History | No change | 250,000 | 2,517 | 0.01% | 0.02% | 21 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| First Trust Capital Management L.P. | History | No change | 250,000 | 2,517 | 0.13% | 0.15% | 22 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| PERISCOPE CAPITAL INC. | History | Reduced | 250,000 | 2,512 | 0.28% | 0.34% | 23 | -50,000 | -16.67% | Q1 2026 | May 13, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | No change | 241,667 | 2,423 | 0.0% | 0.0% | 24 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| HEIGHTS CAPITAL MANAGEMENT, INC | History | No change | 200,000 | 2,014 | 0.56% | 0.72% | 25 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Context Capital Management, LLC | History | No change | 200,000 | 2,010 | 0.05% | 0.05% | 26 | 0 | 0.0% | Q1 2026 | May 07, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Added to | 167,016 | 1,678 | 0.0% | 0.0% | 27 | +20,570 | 14.05% | Q1 2026 | May 12, 2026 |
| O'Connor Alternative Investments LLC | History | New | 150,000 | 1,507 | 0.13% | — | 28 | +150,000 | New | Q1 2026 | May 15, 2026 |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | History | No change | 150,000 | 1,494 | 0.17% | 0.17% | 29 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| Mint Tower Capital Management B.V. | History | No change | 125,000 | 1,259 | 0.11% | 0.14% | 30 | 0 | 0.0% | Q1 2026 | May 04, 2026 |
| SONA ASSET MANAGEMENT (US) LLC | History | New | 100,147 | 1,008 | 0.02% | — | 31 | +100,147 | New | Q1 2026 | May 15, 2026 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | History | Reduced | 100,000 | 1,007 | 0.05% | 0.1% | 32 | -100,000 | -50.0% | Q1 2026 | May 15, 2026 |
| L1 Global Manager Pty Ltd | History | No change | 100,000 | 1,007 | 0.67% | 0.65% | 33 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Karpus Management, Inc. | History | Reduced | 66,175 | 663 | 0.02% | 0.02% | 34 | -675 | -1.01% | Q1 2026 | May 14, 2026 |
| CSS LLC/IL | History | No change | 50,000 | 503 | 0.02% | 0.02% | 35 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Crossingbridge Advisors, LLC | History | No change | 50,000 | 503 | 0.09% | 0.14% | 36 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Quarry LP | History | Reduced | 44,700 | 458 | 0.08% | 0.07% | 37 | -497 | -1.1% | Q1 2026 | May 15, 2026 |
| Sandia Investment Management LP | History | No change | 44,700 | 450 | 1.12% | 1.12% | 38 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| ABC ARBITRAGE SA | History | No change | 40,000 | 402 | 0.05% | 0.04% | 39 | 0 | 0.0% | Q1 2026 | May 04, 2026 |
| Warberg Asset Management LLC | History | Reduced | 34,987 | 351 | 0.06% | 0.04% | 40 | -13 | -0.04% | Q1 2026 | May 07, 2026 |
| BOOTHBAY FUND MANAGEMENT, LLC | History | Reduced | 26,706 | 268 | 0.0% | 0.0% | 41 | -541 | -1.99% | Q1 2026 | May 15, 2026 |
| Yakira Capital Management, Inc. | History | Reduced | 19,588 | 196 | 0.06% | 0.07% | 42 | -412 | -2.06% | Q1 2026 | May 14, 2026 |
| Virtu Financial LLC | History | Added to | 13,105 | 132 | 0.01% | 0.0% | 43 | +2,228 | 20.48% | Q1 2026 | May 14, 2026 |
| UBS Group AG | History | Reduced | 337 | 3 | 0.0% | 0.0% | 44 | -1,254 | -78.82% | Q1 2026 | May 05, 2026 |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | History | New | 319 | 3 | 0.0% | — | 45 | +319 | New | Q1 2026 | May 15, 2026 |
| STEADFAST CAPITAL MANAGEMENT LP | History | Closed out | 0 | 0 | — | 0.04% | — | -250,000 | -100.0% | Q1 2026 | May 15, 2026 |
| Schonfeld Strategic Advisors LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -55,140 | -100.0% | Q1 2026 | May 15, 2026 |