AA Mission Acquisition Corp. II - Class A ordinary shares, par value $0.0001 (YCYU) Institutional Ownership

13F Institutional Holders and Ownership History for Q4 2025

Type / Class
Equity / Class A ordinary shares, par value $0.0001
Symbol
YCYU
Shares outstanding
11,864,407
Price per share
$10.08
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
2,888,735
Total reported value
$28,999,175
% of total 13F portfolios
0%
Share change
+2,888,735
Value change
+$28,999,175
Number of holders
15
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of AA Mission Acquisition Corp. II - Class A ordinary shares, par value $0.0001 (YCYU) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Magnetar Financial LLC 5.9% $7,059,500 700,000 MAGNETAR FINANCIAL LLC 31 Dec 2025

As of 31 Dec 2025, 15 institutional investors reported holding 2,888,735 shares of AA Mission Acquisition Corp. II - Class A ordinary shares, par value $0.0001 (YCYU). This represents 24% of the company’s total 11,864,407 outstanding shares.

Top 15 Institutional Shareholders

The largest institutional shareholders of AA Mission Acquisition Corp. II - Class A ordinary shares, par value $0.0001 (YCYU) together control 24% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Magnetar Financial LLC 5.9% 700,000 0.07% $7,024,500
Westchester Capital Management, LLC 4.2% 494,185 0.23% $4,917,141
TORONTO DOMINION BANK 2.6% 310,800 0.01% $3,134,418
STEADFAST CAPITAL MANAGEMENT LP 2.1% 250,000 0.04% $2,521,250
RIVERNORTH CAPITAL MANAGEMENT, LLC 1.7% 200,000 0.1% $2,010,000
HEIGHTS CAPITAL MANAGEMENT, INC 1.7% 200,000 0.76% $2,017,000
MILLENNIUM MANAGEMENT LLC 1.7% 200,000 0% $2,017,000
OMERS ADMINISTRATION Corp 1.7% 200,000 0.01% $1,992,000
Clear Street Group Inc. 1% 119,110 0.01% $1,201,224
Schonfeld Strategic Advisors LLC 0.46% 55,140 0% $556,086
Crossingbridge Advisors, LLC 0.42% 50,000 0.15% $504,250
Quarry LP 0.38% 44,700 0.11% $450,800
Sandia Investment Management LP 0.38% 44,700 1.1% $450,800
Yakira Capital Management, Inc. 0.17% 20,000 0.07% $201,701
UBS Group AG 0% 100 0% $1,005

Institutional Holders of AA Mission Acquisition Corp. II - Class A ordinary shares, par value $0.0001 (YCYU) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 2,888,735 $28,999,175 +$28,999,175 $10.08 15