v3.26.1
Condensed Balance Sheets (Unaudited) - USD ($)
 6 Months Ended
Jun. 30, 2026
Dec. 31, 2025
CURRENT ASSETS    
Cash $ 211,791 $ 503,830
Prepaid expenses – current portion 107,467 54,092
Total Current Assets 319,258 557,922
Investments held in Trust Account 59,077,144 58,048,399
Other long-term assets – prepaid insurance   32,740
Total Other Assets 59,077,144 58,081,139
TOTAL ASSETS 59,396,402 58,639,061
CURRENT LIABILITIES    
Loan from sponsor 22 22
Total current liabilities 65,452 45,683
TOTAL LIABILITIES 65,452 45,683
Commitments and Contingencies  
Class A ordinary shares subject to possible redemption, $0.0001 par value; 5,750,000 shares issued and outstanding at redemption value of $10.27 per share 59,077,144 58,048,399
SHAREHOLDERS’ EQUITY    
Preference shares, $0.0001 par value; 1,000,000 shares authorized; none issued or outstanding 0 0
Additional paid-in capital 253,576 544,749
Accumulated deficit 0 0
TOTAL SHAREHOLDERS’ EQUITY 253,806 544,979
TOTAL LIABILITIES, CLASS A ORDINARY SHARES SUBJECT TO POSSIBLE REDEMPTION AND SHAREHOLDERS’ EQUITY $ 59,396,402 58,639,061
IPO [Member]    
SHAREHOLDERS’ EQUITY    
Units Issued During Period Shares (in shares) 5,750,000  
Class A Ordinary Shares [Member]    
CURRENT LIABILITIES    
Class A ordinary shares subject to possible redemption, $0.0001 par value; 5,750,000 shares issued and outstanding at redemption value of $10.27 per share $ 59,077,144 58,048,399
Common Class A [Member]    
SHAREHOLDERS’ EQUITY    
Ordinary shares 38 38
Common Class B [Member]    
SHAREHOLDERS’ EQUITY    
Ordinary shares [1],[2] 192 192
Nonrelated Party [Member]    
CURRENT LIABILITIES    
Accounts payable 43,169 23,400
Related Party [Member]    
CURRENT LIABILITIES    
Accounts payable $ 22,261 $ 22,261
[1] Includes an aggregate of 100,000 Founder Shares transferred by Stonebridge Acquisition Sponsor II LLC (the “Sponsor”) to independent directors of the Company in February 2026 as a one-time equity grant for Board service, of which 25,000 Founder Shares were returned to the Sponsor in May 2026 in connection with the resignation of a director (see Notes 5 and 7).
[2] On September 30, 2025, the Sponsor forfeited 825,000 Founder Shares, and Maxim and certain third-party investors purchased an aggregate of 825,000 Founder Shares for approximately $0.013 per share. The foregoing transactions did not result in a change in the number of Class B ordinary shares outstanding. All share and per share information has been retrospectively presented (see Note 5).