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YCY · AA Mission Acquisition Corp. II

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$10.26 +0.00 (+0.00%) At close · Sep 4
Rebalance outlook locked
Going-concern doubt — flagged Aug 7, 2026

Substantial doubt about the company's ability to continue as a going concern.

“As of June 30, 2026, the Company had $244,932 in cash and cash equivalents and a working capital of $135,351. The Company has incurred and expects to continue to incur significant costs as a publicly traded company, to evaluate business opportunities, and to close on a Business Combination. Such costs will be incurred prior to generating any operating revenues. These factors also raise substantial doubt about the Company's ability to continue as a going concern within one year after the date that the financial statements are issued.”
View the 10-Q filed Aug 7, 2026
Market Cap
$121.69M
Shares
11.86M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →
Holders: 39
Total Value: $109,933,850
Total Shares: 10,820,262

Institutional Ownership Trend

3 quarters

Holder Concentration

Across 39 13F filers · Δ vs Mar 31, 2026
Top Holder
6.5%
Dec 2025 → Jun 2026 · range 6.5% – 9.2%
−0.8 pts
Top 5
28.8%
Dec 2025 → Jun 2026 · range 28.8% – 37.0%
−1.4 pts
Top 10
50.0%
Dec 2025 → Jun 2026 · range 50.0% – 59.8%
−2.4 pts
HHI
374
Dec 2025 → Jun 2026 · range 374 – 493
Broadly held−23

Quarterly Activity

vs Mar 31, 2026
New
0
Increased
6
Decreased
6
Sold Out
2
Unchanged
27
Holder count: -2
Institutional value: +0.7%
Shares held: -0.2%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open
HIGHBRIDGE CAPITAL MANAGEMENT LLC +452,326 452,645
Crossingbridge Advisors, LLC +250,000 300,000
MIZUHO SECURITIES USA LLC +45,129 688,168
WOLVERINE ASSET MANAGEMENT LLC +20,314 600,048
Karpus Management, Inc. +17,900 84,075

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open
METEORA CAPITAL, LLC −646,387 136,289
Clear Street Group Inc. −63,800 187,667
Shaolin Capital Management LLC −60,962 339,038
CSS LLC/IL −13,211 36,789
ABC ARBITRAGE SA −5,000 35,000

Top New Positions

vs Mar 31, 2026
No new positions this quarter.

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Virtu Financial LLC 13,105 $131,967
TORONTO DOMINION BANK 497 $5,004
Filter: New 0 Increased 6 Reduced 6 Sold out 2 Unchanged 27
Showing 39 of 39
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Magnetar Financial LLC $7,111,939 6.47% 699,994
MIZUHO SECURITIES USA LLC $6,991,786 6.36% 688,168
WOLVERINE ASSET MANAGEMENT LLC $6,096,487 5.55% 600,048
Westchester Capital Management, LLC $5,813,398 5.29% 572,185
ARISTEIA CAPITAL, L.L.C. $5,672,612 5.16% 558,328
AQR Arbitrage LLC $5,451,947 4.96% 536,609
WHITEBOX ADVISORS LLC $5,080,000 4.62% 500,000
HIGHBRIDGE CAPITAL MANAGEMENT LLC $4,598,873 4.18% 452,645
BlueCrest Capital Management Ltd $4,064,000 3.70% 400,000
Hudson Bay Capital Management LP $4,064,000 3.70% 400,000
BERKLEY W R CORP $3,985,107 3.63% 392,235
Radcliffe Capital Management, L.P. $3,556,000 3.23% 350,000
GLAZER CAPITAL, LLC $3,447,348 3.14% 339,306
Shaolin Capital Management LLC $3,444,626 3.13% 339,038
MILLENNIUM MANAGEMENT LLC $3,048,000 2.77% 300,000
Crossingbridge Advisors, LLC $3,048,000 2.77% 300,000
MANGROVE PARTNERS IM, LLC $2,714,213 2.47% 267,147
Periscope Capital Inc. $2,540,000 2.31% 250,000
Linden Advisors LP $2,540,000 2.31% 250,000
D. E. Shaw & Co., Inc. $2,540,000 2.31% 250,000
First Trust Capital Management L.P. $2,540,000 2.31% 250,000
TWO SIGMA INVESTMENTS, LP $2,455,336 2.23% 241,667
HEIGHTS CAPITAL MANAGEMENT, INC $2,032,000 1.85% 200,000
OMERS ADMINISTRATION Corp $2,032,000 1.85% 200,000
Context Capital Management, LLC $2,032,000 1.85% 200,000
Clear Street Group Inc. $1,906,696 1.73% 187,667
BNP PARIBAS ARBITRAGE, SA $1,696,882 1.54% 167,016
O'Connor Alternative Investments LLC $1,524,000 1.39% 150,000
METEORA CAPITAL, LLC $1,384,696 1.26% 136,289
Mint Tower Capital Management B.V. $1,270,000 1.16% 125,000
SONA ASSET MANAGEMENT (US) LLC $1,017,492 0.93% 100,147
RIVERNORTH CAPITAL MANAGEMENT, LLC $1,016,000 0.92% 100,000
L1 Global Manager Pty Ltd $1,016,000 0.92% 100,000
Karpus Management, Inc. $854,202 0.78% 84,075
CSS LLC/IL $373,776 0.34% 36,789
ABC ARBITRAGE SA $355,600 0.32% 35,000
Warberg Asset Management LLC $355,467 0.32% 34,987
BOOTHBAY FUND MANAGEMENT, LLC $260,939 0.24% 25,683
UBS Group AG $2,428 0.00% 239
Key facts CIK 2075336 CUSIP G1000S109 13F (30d) 36 filings 36 filers Visit website