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StoneBridge Acquisition II Corp

APACU
Exchange
Nasdaq
Industry
Blank Checks
SEC CIK
0002043630

No open-market purchases or sales by StoneBridge Acquisition II Corp insiders were filed in the last 90 days; 7 institutions reported holding it in 13F filings for Q2 2026, worth $3.36M in total; no superinvestor holds it.

Other share classesAPACAPACR

Q1 2026 vs. Q4 2025

How the institutions holding StoneBridge Acquisition II Corp changed between Q4 2025 and Q1 2026.

All holders in Q1 2026All holders in Q4 2025

13F holders of APACU: Q4 2025 compared with Q1 2026
MeasureQ4 2025Of which not filed for Q1 2026Q1 2026Change
Holders1116−4
Shares1.21M60.0K308.0K−845.2K (−73.3%)
Value$12.2M$602.4K$3.14M−$8.44M (−72.9%)

1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (1)

Institutions that held StoneBridge Acquisition II Corp at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to APACU in Q1 2026
InstitutionSharesValue% of portfolio
UBS Group AG32$3260.00%

Sold out (5)

Institutions that held StoneBridge Acquisition II Corp at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of APACU in Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Rivernorth Capital Management, LLC494,517$4.96M
Mangrove Partners225,000$2.26M
Crossingbridge Advisors, LLC75,000$753.0K
Heights Capital Management, Inc50,500$509.0K
Citadel Advisors LLC14,310$144.2K

Not filed for Q1 2026 yet (1)

Institutions that held StoneBridge Acquisition II Corp at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding APACU in Q4 2025 that haven't filed for Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Sandia Investment Management LP60,000$602.4K