AA Mission Acquisition Corp. II
YCY- Exchange
- NYSE
- Industry
- Blank Checks
- SEC CIK
- 0002075336
No open-market purchases or sales by AA Mission Acquisition Corp. II insiders were filed in the last 90 days; 39 institutions reported holding it in 13F filings for Q2 2026, worth $110.0M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in AA Mission Acquisition Corp. II 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
- 41
- +8 vs. Q4 2025
- Shares held
- 10.8M
- +2.31M (+27.1%) vs. Q4 2025
- Total value
- $109.0M
- +$24.1M (+28.4%) vs. Q4 2025
- New holders
- 9
- 6 more added
- Sold out
- 1
- 9 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting YCY 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 | 39 | $110.0M |
| Q1 2026 | 41 | $109.0M |
| Q4 2025 | 34 | $86.4M |
| Q3 2025 | 0 | $0 |
| 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 AA Mission Acquisition Corp. II; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| UBS Group AG | 237 | $2.38K | 0.00% | −1,254−84.1% | Reduced |
| Highbridge Capital Management LLC | 319 | $3.21K | 0.00% | +319 | New |
| Toronto Dominion Bank | 497 | $5.00K | 0.00% | +497 | New |
| Virtu Financial LLC | 13,105 | $132.0K | 0.01% | +2,228+20.5% | Added |
| Boothbay Fund Management, LLC | 26,706 | $268.4K | 0.01% | −541−2.0% | Reduced |
| Warberg Asset Management LLC | 34,987 | $351.6K | 0.10% | −130.0% | Reduced |
| Abc Arbitrage SA | 40,000 | $402.8K | 0.05% | 00.0% | Unchanged |
| CSS LLC | 50,000 | $503.5K | 0.03% | 00.0% | Unchanged |
| Crossingbridge Advisors, LLC | 50,000 | $503.5K | 0.09% | +50,000 | New |
| Karpus Management, Inc. | 66,175 | $663.7K | 0.02% | −675−1.0% | Reduced |
| L1 Global Manager Pty Ltd | 100,000 | $1.01M | 0.81% | 00.0% | Unchanged |
| Rivernorth Capital Management, LLC | 100,000 | $1.01M | 0.05% | +100,000 | New |
| Sona Asset Management (US) LLC | 100,147 | $1.01M | 0.04% | +100,147 | New |
| Mint Tower Capital Management B.V. | 125,000 | $1.26M | 0.12% | 00.0% | Unchanged |
| O'Connor Alternative Investments LLC | 150,000 | $1.51M | 0.08% | +150,000 | New |
| BNP Paribas Arbitrage, SA | 167,016 | $1.68M | 0.00% | +20,570+14.0% | Added |
| Context Capital Management, LLC | 200,000 | $2.01M | 0.05% | 00.0% | Unchanged |
| Omers Administration Corp | 200,000 | $2.01M | 0.01% | 00.0% | Unchanged |
| Heights Capital Management, Inc | 200,000 | $2.01M | 0.56% | +200,000 | New |
| Two Sigma Investments, LP | 241,667 | $2.42M | 0.00% | 00.0% | Unchanged |
| Periscope Capital Inc. | 250,000 | $2.51M | 0.44% | −50,000−16.7% | Reduced |
| D. E. Shaw & Co., Inc. | 250,000 | $2.52M | 0.00% | 00.0% | Unchanged |
| Vivaldi Asset Management, LLC | 250,000 | $2.52M | 0.13% | 00.0% | Unchanged |
| Linden Advisors LP | 250,000 | $2.52M | 0.01% | 00.0% | Unchanged |
| Clear Street Group Inc. | 251,467 | $2.53M | 0.01% | −8,050−3.1% | Reduced |
| Mangrove Partners | 267,147 | $2.69M | 0.22% | 00.0% | Unchanged |
| Millennium Management LLC | 300,000 | $3.02M | 0.00% | +200,000+200.0% | Added |
| Glazer Capital, LLC | 339,306 | $3.40M | 0.07% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 350,000 | $3.52M | 0.26% | 00.0% | Unchanged |
| Berkley W R Corp | 392,235 | $3.94M | 0.21% | +49,801+14.5% | Added |
| Hudson Bay Capital Management LP | 400,000 | $4.03M | 0.02% | 00.0% | Unchanged |
| Shaolin Capital Management LLC | 400,000 | $4.03M | 0.17% | 00.0% | Unchanged |
| BlueCrest Capital Management Ltd | 400,000 | $4.03M | 0.38% | +400,000 | New |
| Whitebox Advisors LLC | 500,000 | $5.04M | 0.07% | 00.0% | Unchanged |
| CNH Partners LLC | 536,609 | $5.38M | 0.09% | −16,937−3.1% | Reduced |
| Aristeia Capital LLC | 558,328 | $5.62M | 0.13% | 00.0% | Unchanged |
| Westchester Capital Management, LLC | 572,185 | $5.74M | 0.28% | +494,185+633.6% | Added |
| Wolverine Asset Management LLC | 579,734 | $5.84M | 0.09% | +94,347+19.4% | Added |
| Mizuho Securities USA LLC | 643,039 | $6.43M | 0.15% | −157,007−19.6% | Reduced |
| Magnetar Financial LLC | 699,994 | $7.05M | 0.07% | +699,994 | New |
| Meteora Capital, LLC | 782,676 | $7.85M | 0.58% | −17,316−2.2% | Reduced |
| Quarry LP | 0 | $0 | 0.00% | −497−100.0% | Sold out |
| UBS Oconnor LLC | – | – | – | – | Not filed |