Holder evidence
9
SEC ownership of AA Mission Acquisition Corp.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002012964.
Lead holder
BERKLEY W R CORP
13D/G signal
BERKLEY W R CORP
Latest evidence
31 Mar 2026
- CIK
- 0002012964
- Location
- The Woodlands, TX
- SEC evidence mix
- 13D/G, 13F, and 3/4/5
- Lead holder
- BERKLEY W R CORP
- Latest large-stake holder
- BERKLEY W R CORP
- Latest evidence date
- 31 Mar 2026
Issuer identity
Ownership snapshot
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.
Lead holder
BERKLEY W R CORP
13D/G signal
BERKLEY W R CORP
Evidence rows
9
Latest as of
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 9.1%
13D/G row: BERKLEY W R CORP
Showing 1-8 of 9 holder rows.
Rank 1 holder
BERKLEY W R CORP
13D/G
- Ownership
- 9.1%
- Position
- $33.66M
Rank 2 holder
Westchester Capital Management, LLC
13D/G
- Ownership
- 7.6%
- Position
- $28.37M
Rank 3 holder
First Trust Capital Management L.P.
13D/G
- Ownership
- 6.9%
- Position
- $31.46M
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BERKLEY W R CORP |
13D/G
W. R. Berkley Corporation
|
9.1%
|
$33,659,924
3,230,319 shares
|
$0 | 30 Jun 2025 |
| 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 |
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 30 May 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
Lead 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 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Reported value | Reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* indicates a reported price that failed the local validity check.