AA Mission Acquisition Corp.
AA Mission Acquisition Corp. (AAM) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · AAM · as of Sep 30, 2025
Ownership Breakdown
41
Institutional Holders
▲ 7 vs Q2
$362.57M
Total Inst. Value
▲ $5.59M vs Q2
44.04M
Shares Outstanding
freeFloat 72.54%
34.48M
13F Shares Held
▲ 208,695 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
AAM largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
KARPUS MANAGEMENT, INC. blank checks | 5.82M | 16.86% | 16.86% | $61.17B | Nov 14, 2025 | ▼ 187.4K |
BERKLEY W R CORP blank checks | 3.23M | 9.36% | 9.36% | $33.98B | Nov 14, 2025 | — held |
FIRST TRUST CAPITAL MANAGEMENT L.P. blank checks | 2.98M | 8.65% | 8.65% | $31.40B | Nov 17, 2025 | — held |
WESTCHESTER CAPITAL MANAGEMENT, LLC blank checks | 2.70M | 7.83% | 7.83% | $28.42B | Nov 14, 2025 | ▲ 511.2K |
WOLVERINE ASSET MANAGEMENT LLC blank checks | 2.56M | 7.42% | 7.42% | $26.92B | Oct 28, 2025 | ▲ 278.4K |
ARISTEIA CAPITAL LLC blank checks | 1.82M | 5.27% | 5.27% | $19.13B | Nov 14, 2025 | — held |
HUDSON BAY CAPITAL MANAGEMENT LP blank checks | 1.72M | 4.98% | 4.98% | $18.07B | Dec 15, 2025 | — held |
D. E. SHAW & CO., INC. blank checks | 1.71M | 4.95% | 4.95% | $17.97B | Nov 14, 2025 | — held |
MIZUHO SECURITIES USA LLC blank checks | 1.26M | 3.66% | 3.66% | $13.16B | Oct 22, 2025 | ▲ 201.3K |
HGC INVESTMENT MANAGEMENT INC. blank checks | 1.21M | 3.49% | 3.49% | $12.68B | Nov 14, 2025 | ▼ 500.0K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
5
Increased
+1.44M shares7
New Positions
first time holders15
Decreased
−1.56M shares0
Sold Out
fully exitedNet shares change (top 50)
124.3K
+1.44M / −1.56M
Net new holders
-3
7 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
AAM insider trading · insider activity
Source: SEC Form 4
0
Buy transactions
3
Sell transactions
0.00
Buy/Sell ratio
$1M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Zelter James C Co-President | Jan 1, 2022 | D-Return | 8,100 | $72.43 | $586.7K | 0 | Form 4 ↗ |
Zelter James C Co-President | Dec 31, 2021 | D-Return | 813,170 | — | — | 0 | Form 4 ↗ |
KLEINMAN SCOTT Co-President | Jan 1, 2022 | D-Return | 373,035 | $72.43 | $27.02M | 0 | Form 4 ↗ |
KLEINMAN SCOTT Co-President | Dec 31, 2021 | D-Return | 227,719 | — | — | 0 | Form 4 ↗ |
KLEINMAN SCOTT Co-President | Jan 1, 2022 | D-Return | 373,035 | $72.43 | $27.02M | 0 | Form 4 ↗ |
KLEINMAN SCOTT Co-President | Dec 31, 2021 | D-Return | 227,719 | — | — | 0 | Form 4 ↗ |
BLACK LEON D 10 percent owner | Dec 31, 2021 | J-Other | 17,215,839 | — | — | 58.08M | Form 4 ↗ |
BLACK LEON D 10 percent owner | Aug 20, 2021 | Gift | 1,975,000 | — | — | 11.89M | Form 4 ↗ |
BLACK LEON D 10 percent owner | Aug 30, 2021 | Gift | 2,200,000 | — | — | 9.69M | Form 4 ↗ |
BLACK LEON D 10 percent owner | Dec 31, 2021 | U-Tender | 58,084,161 | — | — | 0 | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
AA Mission Acquisition Corp. (AAM) is primarily owned by institutional investors, who hold approximately 78.3% of total shares outstanding. Company insiders own approximately 27.46%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of AA Mission Acquisition Corp. is KARPUS MANAGEMENT, INC., holding approximately 5.82 million shares — equal to 16.86% of outstanding shares — as of September 30, 2025.
A total of 41 institutional investors currently hold AAM stock, with a combined institutional value of approximately $362,566,844 as of the most recent 13F filing period.
Frequently asked questions
AAM ownershipAA Mission Acquisition Corp. (AAM) is primarily owned by institutional investors, who hold approximately 78.3% of shares. The largest shareholder is KARPUS MANAGEMENT, INC. with a 16.86% stake. Company insiders hold 27.46%. Data sourced from SEC Form 13F as of September 30, 2025.