YCYNYSEBlank ChecksFiscal year ends December 31Also trades as YCY.UN, YCY.WT
AA Mission Acquisition Corp. II
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 7, 2026
$10.30+0.00 (0.00%)
Close on Oct 19, 2026
- Market cap
- –
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
11M
Shares held, 13F filers
Institutional holders
39
0 new, 2 sold out
Net institutional buying
1M
In Q2 2026
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Magnetar Financial LLC | 700,000 | 5.90% | 13G (passive) | Dec 31, 2025 |
| Mizuho Financial Group, Inc. | 643,039 | 5.40% | 13G (passive) amendment | Mar 31, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of YCY | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Mizuho Securities USA LLC | 1,331,207 | – | $13.37M | +688,168 | 0.13% |
| Magnetar Financial LLC | 699,994 | – | $7.11M | – | 0.06% |
| Wolverine Asset Management LLC | 600,048 | – | $6.10M | +20,314 | 0.05% |
| Westchester Capital Management, LLC | 572,185 | – | $5.81M | – | 0.28% |
| Aristeia Capital LLC | 558,328 | – | $5.67M | – | 0.07% |
| AQR Arbitrage LLC | 536,609 | – | $5.45M | – | 0.08% |
| Whitebox Advisors LLC | 500,000 | – | $5.08M | – | 0.07% |
| Highbridge Capital Management LLC | 452,645 | – | $4.61M | +452,326 | 0.11% |
| Hudson Bay Capital Management LP | 400,000 | – | $4.06M | – | 0.01% |
| BlueCrest Capital Management Ltd | 400,000 | – | $4.06M | – | 0.13% |
| Berkley W R Corp | 392,235 | – | $3.99M | – | 0.18% |
| Radcliffe Capital Management, L.P. | 350,000 | – | $3.56M | – | 0.27% |
| Glazer Capital, LLC | 339,306 | – | $3.45K | – | 0.08% |
| Shaolin Capital Management LLC | 339,038 | – | $3.44M | −60,962 | 0.16% |
| Millennium Management LLC | 300,000 | – | $3.05M | – | 0.00% |
| Crossingbridge Advisors, LLC | 300,000 | – | $3.05M | +250,000 | 0.54% |
| Mangrove Partners | 267,147 | – | $2.71M | – | 0.18% |
| First Trust Capital Management L.P. | 250,000 | – | $2.54M | – | 0.15% |
| Linden Advisors LP | 250,000 | – | $2.54M | – | 0.01% |
| D. E. Shaw & Co., Inc. | 250,000 | – | $2.54M | – | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|
| Q2 2026 | 39 | 11M | 0 / 6 | 6 / 2 | 1M | 1M |
| Q1 2026 | 41 | 11M | 9 / 6 | 9 / 1 | 3M | 0M |
| Q4 2025 | 34 | 9M | 34 / 0 | 0 / 0 | 9M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of YCY | Value | % of fund | As of |
|---|---|---|---|---|---|
| CrossingBridge Ultra-Short Duration Fund | 250,000 | – | $2.54M | 0.64% | Jun 30, 2026 |
| First Trust Merger Arbitrage Fund | 215,174 | – | $2.19M | 0.13% | Jun 30, 2026 |
| Global Multi-Strategy Fund | 41,867 | – | $425.37K | 0.08% | May 31, 2026 |
| First Trust Multi-Strategy Fund | 33,356 | – | $338.90K | 0.03% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | Latest filing |
|---|---|---|---|
| Qing Bill Sun | Chief Executive Officer, Director, 10% owner | 6,110,250 | Oct 14, 2025 |
| Shibin Fang | Chief Financial Officer, Director | – | Oct 1, 2025 |
| Zhenxing Wang | Director | – | Oct 1, 2025 |
| Wenzhong Zhao | Director | – | Oct 1, 2025 |
| Daoyong Xing | Director | – | Oct 1, 2025 |
| Mission Sponsor AA II | 10% owner | 6,110,250 | Oct 14, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Mission Sponsor AA II 10% owner | Oct 9, 2025 | Buy | +26,250 | $10.00 | $262.50K | 3,235,250 |
| Qing Bill Sun Chief Executive Officer, Director, 10% owner | Oct 9, 2025 | Buy | +26,250 | $10.00 | $262.50K | 3,235,250 |
| Qing Bill Sun Chief Executive Officer, Director, 10% owner | Oct 2, 2025 | Buy | +334,000 | $10.00 | $3.34M | 3,209,000 |
| Mission Sponsor AA II 10% owner | Oct 2, 2025 | Buy | +334,000 | $10.00 | $3.34M | 3,209,000 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.