StoneBridge Acquisition II Corp - Units, each consisting of one Class A Ordinary Share, par value $0.0001 per share, and one Right to acquire one-tenth of one Class A Ordinary Share (APACU)

Q: What does CUSIP G85096124 represent in this 13F holders report?

CUSIP G85096124 is the security identifier for APACU - StoneBridge Acquisition II Corp - Units, each consisting of one Class A Ordinary Share, par value $0.0001 per share, and one Right to acquire one-tenth of one Class A Ordinary Share used to aggregate holder disclosures.

Q: How many institutions held APACU - StoneBridge Acquisition II Corp - Units, each consisting of one Class A Ordinary Share, par value $0.0001 per share, and one Right to acquire one-tenth of one Class A Ordinary Share in Q4 2025?

11 institutional investors reported APACU - StoneBridge Acquisition II Corp - Units, each consisting of one Class A Ordinary Share, par value $0.0001 per share, and one Right to acquire one-tenth of one Class A Ordinary Share for Q4 2025. Use the holders table for investor-level position and value details.

CUSIP: G85096124

Q4 2025 13F Holders as of 31 Dec 2025

Total 13F shares: 1,213,215
Total 13F value: $12,180,322
Share change: -3,959,045
SEC-reported price per share: $10.04
Number of holders: 11
Value change: -$39,482,772
Number of buys: 4
Number of sells: 24
Shares outstanding: 6,131,099
Security type / class: Equity / Units, each consisting of one Class A Ordinary Share, par value $0.0001 per share, and one Right to acquire one-tenth of one Class A Ordinary Share

Security key

G85096124

Report period

Q4 2025

Institutions

Top holders

APACU full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2026 Previous quarter: Q3 2025 StoneBridge Acquisition II Corp SEC filings StoneBridge Acquisition II Corp company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP G85096124

Newer quarter: Q1 2026 Previous quarter: Q3 2025

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025

Ownership snapshot

Top reported holders of APACU - StoneBridge Acquisition II Corp - Units, each consisting of one Class A Ordinary Share, par value $0.0001 per share, and one Right to acquire one-tenth of one Class A Ordinary Share (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.

Comparable stake leader

MIZUHO FINANCIAL GROUP INC

Disclosed value leader

MIZUHO FINANCIAL GROUP INC

Comparable rows

15/15

Latest evidence

31 Dec 2025

13D/G 13F Lead comparable stake: 9% 13D/G row: MIZUHO FINANCIAL GROUP INC Showing 1-6 of 15 holder rows.

Quick read

MIZUHO FINANCIAL GROUP INC leads the comparable SEC ownership view at 9%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens MIZUHO FINANCIAL GROUP INC's linked filing trail.

Comparable ownership Top 5

MIZUHO FINANCIAL GROUP INC 9%

GLAZER CAPITAL, LLC 6.6%

Shaolin Capital Management LLC 6.3%

AQR CAPITAL MANAGEMENT LLC 4.8%

RIVERNORTH CAPITAL MANAGEMENT, LLC 8.1%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
MIZUHO FINANCIAL GROUP INC	13D/G 13D/G	9%	$5,548,153 552,055 shares	$0	31 Dec 2025
GLAZER CAPITAL, LLC	13D/G 13F Company 13D/G 13F	6.6%	$4,091,405 407,105 shares	+$71,405	31 Dec 2025
Shaolin Capital Management LLC	13F 13D/G Company 13F 13D/G	6.3% from 13D/G	$3,688,900 370,000 shares	—	30 Sep 2025
AQR CAPITAL MANAGEMENT LLC	13D/G 13D/G	4.8%	$2,951,000 295,988 shares	$0	31 Dec 2025
RIVERNORTH CAPITAL MANAGEMENT, LLC	13F Company 13F	8.1%	$4,935,150 495,000 shares	—	30 Sep 2025
Decagon Asset Management LLP	13F Company 13F	6.5%	$3,953,673 396,557 shares	—	30 Sep 2025

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.

13F holder rows

Institutional holders as of Q4 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

1,213,215

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders

Q4 2025 holders

Holder diff

-22

Investor	Q3 2025 Shares	Q4 2025 Shares	Share Diff	Share Chg %	Q3 2025 value	Q4 2025 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend