Comparable stake leader
Westchester Capital Management, LLC
SEC ownership of AA Mission Acquisition Corp.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002012964.
Disclosed value leader
First Trust Capital Management L.P.
Comparable rows
6/8
Latest evidence
31 Mar 2026
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Westchester Capital Management, LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
6 of 8
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Westchester Capital Management, LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
31 Mar 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0002012964
- Issuer location
- The Woodlands, TX
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of AA Mission Acquisition Corp. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Westchester Capital Manag...
Disclosed value leader
First Trust Capital Manag...
Comparable rows
6/8
Latest evidence
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 7.6%
2 rows are not safely comparable across share classes.
13D/G row: Westchester Capital Management, LLC
Quick read
Westchester Capital Management, LLC leads the comparable SEC ownership view at 7.6%.
6 of 8 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Westchester Capital Management, LLC's linked filing trail.
Comparable ownership
Top 5
Westchester Capital Management, LLC
7.6%
First Trust Capital Management L.P.
6.9%
BARCLAYS PLC
5.8%
HGC Investment Management Inc.
5.6%
ARISTEIA CAPITAL, L.L.C.
5.1%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 8 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Westchester Capital Management, LLC |
13D/G
|
7.6%
|
$28,366,012
2,696,389 shares
|
$0 | 30 Sep 2025 |
| First Trust Capital Management L.P. |
13D/G
|
6.9%
|
$31,463,628
3,019,542 shares
|
+$416,800 | 30 Jun 2025 |
| BARCLAYS PLC |
13D/G
|
5.8%
|
$26,118,150
2,543,150 shares
|
-$4,709,124 | 31 Mar 2025 |
| HGC Investment Management Inc. |
13D/G
|
5.6%
|
$25,212,850
2,455,000 shares
|
$0 | 31 Dec 2024 |
| ARISTEIA CAPITAL, L.L.C. |
13D/G
|
5.1%
|
$18,948,030
1,818,429 shares
|
$0 | 30 Jun 2025 |
| Karpus Management, Inc. |
13F
13D/G
Company
|
0.05%
from 13D/G
|
$213,400
20,000 shares
|
— | 31 Mar 2026 |
| AA Mission Acquisition Sponsor Holdco LLC |
3/4/5
10%+ Owner
|
—
mixed-class rows
|
—
18,523,500 shares
mixed-class rows
|
— | 05 Sep 2024 |
| Qing Bill Sun |
3/4/5
Chief Executive Officer, Director, 10%+ Owner
|
—
mixed-class rows
|
—
18,523,500 shares
mixed-class rows
|
— | 05 Sep 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 07 Aug 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-7 of 7 reporting-owner rows connected to AA Mission Acquisition Corp.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
7
Largest Forms 3/4/5 holder
AA Mission Acquisition Sponsor Holdco LLC
Net 12M change
$0
Latest report
05 Sep 2024
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| AA Mission Acquisition Sponsor Holdco LLC | 10%+ Owner | Mixed | 05 Sep 2024 | |||
| Daoyong Xing | Director | Mixed | 31 Jul 2024 | |||
| Qing Bill Sun | Chief Executive Officer, Director, 10%+ Owner | Mixed | 05 Sep 2024 | |||
| Shibin Fang | Chief Financial Officer, Director | Mixed | 31 Jul 2024 | |||
| Wenzhong Zhao | Director | Mixed | 31 Jul 2024 | |||
| Zhenxing Wang | Director | Mixed | 31 Jul 2024 | |||
| Zhongxuan Li | Director | Mixed | 31 Jul 2024 |
Recent insider transactions for AA Mission Acquisition Corp.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* marks a reported price that did not pass the local price check.