StoneBridge Acquisition II Corp - Class A Ordinary Shares, par value $0.0001 per share (APAC) Institutional Ownership

13F Institutional Holders and Ownership History for Q4 2025

Type / Class
Equity / Class A Ordinary Shares, par value $0.0001 per share
Symbol
APAC on Nasdaq
Shares outstanding
6,128,116
Price per share
$10.05
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
4,303,583
Total reported value
$42,766,948
% of total 13F portfolios
0%
Share change
+4,224,571
Value change
+$41,980,779
Number of holders
22
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of StoneBridge Acquisition II Corp - Class A Ordinary Shares, par value $0.0001 per share (APAC) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
AQR CAPITAL MANAGEMENT LLC 4.8% $2,951,000 295,988 AQR Capital Management, LLC 31 Dec 2025

As of 31 Dec 2025, 22 institutional investors reported holding 4,303,583 shares of StoneBridge Acquisition II Corp - Class A Ordinary Shares, par value $0.0001 per share (APAC). This represents 70% of the company’s total 6,128,116 outstanding shares.

Top 23 Institutional Shareholders

The largest institutional shareholders of StoneBridge Acquisition II Corp - Class A Ordinary Shares, par value $0.0001 per share (APAC) together control 76% 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
MIZUHO SECURITIES USA LLC 9% 552,055 0.09% $5,438,939
WOLVERINE ASSET MANAGEMENT LLC 8.2% 501,429 0.07% $4,989,219
Glazer Capital, LLC 6.6% 407,105 0.11% $4,051,000
Clear Street Group Inc. 5.3% 323,189 0.02% $3,215,731
AQR Arbitrage LLC 4.8% 295,988 0.06% $2,945,081
TORONTO DOMINION BANK 4.4% 267,031 0% $2,656,958
Logan Stone Capital, LLC 4.1% 252,000 0.62% $2,507,400
Shaolin Capital Management LLC 3.3% 200,000 0.08% $1,990,000
ARISTEIA CAPITAL, L.L.C. 3.3% 200,000 0.06% $1,990,000
Verition Fund Management LLC 3.3% 200,000 0.01% $1,990,000
Radcliffe Capital Management, L.P. 2.6% 160,000 0.09% $1,592,000
Polar Asset Management Partners Inc. 2.4% 150,000 0.03% $1,492,500
Cable Car Capital, LP 2.4% 150,000 0.09% $1,492,500
BOOTHBAY FUND MANAGEMENT, LLC 2.2% 137,500 0.04% $1,368,125
BERKLEY W R CORP 1.8% 113,358 0.06% $1,127,912
Karpus Management, Inc. 1.6% 96,775 0.03% $962,911
TWO SIGMA INVESTMENTS, LP 1.5% 90,625 0% $901,719
Westchester Capital Management, LLC 1.3% 80,000 0.04% $796,000
BNP PARIBAS FINANCIAL MARKETS 1.3% 79,012 0% 0% $786,169
Warberg Asset Management LLC 0.45% 27,500 0.08% $273,625
ABC ARBITRAGE SA 0.33% 20,000 0.02% $199,000
MORGAN STANLEY 0% 16 0% $159
Decagon Asset Management LLP 5.7% 346,557 0% $57,667

Institutional Holders of StoneBridge Acquisition II Corp - Class A Ordinary Shares, par value $0.0001 per share (APAC) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 4,303,583 $42,766,948 +$41,980,779 $9.95 22