Latest Period
Q1 2026
Security Snapshot
StoneBridge Acquisition II Corp - Class A Ordinary Shares, par value $0.0001 per share (APAC) Institutional Ownership
CUSIP: G85096108
13F Institutional Holders and Ownership History from Q4 2025 to Q1 2026
Institutions Reporting
28
Shares (Excl. Options)
5,291,041
Price
$10.05
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- Security type / class
- Equity / Class A Ordinary Shares, par value $0.0001 per share
- Symbol
- APAC on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 5,291,041
- Total 13F value
- $53,096,815
- Portfolio coverage rank
- 0%
- Share change
- +918,820
- Value change
- +$9,254,873
- Number of holders
- 28
- Shares outstanding
- 6,128,116
- SEC-reported price per share
- $10.12
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- APAC - StoneBridge Acquisition II Corp - Class A Ordinary Shares, par value $0.0001 per share is tracked under CUSIP G85096108.
- 28 institutions reported positions in Q1 2026.
- 1 significant owner is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 22 to 28 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $42,766,948 to $53,096,815.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 28 institutions filings for Q1 2026.
Security key
G85096108
Latest holder period
Q1 2026
13F holders
28
13D/G owners
1
CIK / CUSIP context first
Open Q1 2026 holders
APAC full holder history
StoneBridge Acquisition II Corp SEC filings
StoneBridge Acquisition II Corp company facts
StoneBridge Acquisition II Corp insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G85096108:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
1
Security
APAC
| 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 Mar 2026, 28 institutional investors reported holding 5,291,041 shares of StoneBridge Acquisition II Corp - Class A Ordinary Shares, par value $0.0001 per share (APAC). This represents 86% of the company’s total 6,128,116 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
86%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| MIZUHO SECURITIES USA LLC | 9% | 552,055 | 0% | 0.13% | $5,492,947 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 8.1% | 494,517 | 0.25% | $4,969,896 | |
| Karpus Management, Inc. | 7.1% | 433,550 | +348% | 0.14% | $4,348,507 |
| WOLVERINE ASSET MANAGEMENT LLC | 6.5% | 401,013 | -20% | 0.06% | $4,030,181 |
| GLAZER CAPITAL, LLC | 6.3% | 385,066 | -5.4% | 0.08% | $3,862,000 |
| Clear Street Group Inc. | 5% | 308,128 | -4.7% | 0.02% | $3,096,686 |
| AQR Arbitrage LLC | 4.7% | 286,849 | -3.1% | 0.05% | $2,882,832 |
| Logan Stone Capital, LLC | 4.1% | 252,000 | 0% | 0.7% | $2,531,340 |
| MANGROVE PARTNERS IM, LLC | 3.7% | 225,000 | 0.18% | $2,261,250 | |
| ARISTEIA CAPITAL, L.L.C. | 3.3% | 200,000 | 0% | 0.05% | $2,010,000 |
| Shaolin Capital Management LLC | 3.3% | 200,000 | 0% | 0.17% | $2,010,000 |
| Verition Fund Management LLC | 3.3% | 200,000 | 0% | 0.02% | $2,010,000 |
| Radcliffe Capital Management, L.P. | 2.6% | 160,000 | 0% | 0.12% | $1,607,200 |
| Cable Car Capital, LP | 2.4% | 150,000 | 0% | 0.52% | $1,507,500 |
| Polar Asset Management Partners Inc. | 2.4% | 150,000 | 0% | 0.04% | $1,507,500 |
| BOOTHBAY FUND MANAGEMENT, LLC | 2.2% | 137,500 | 0% | 0.03% | $1,381,875 |
| SONA ASSET MANAGEMENT (US) LLC | 1.9% | 117,096 | 0.05% | $1,176,815 | |
| BERKLEY W R CORP | 1.8% | 113,358 | 0% | 0.06% | $1,138,681 |
| TWO SIGMA INVESTMENTS, LP | 1.5% | 90,625 | 0% | 0% | $908,969 |
| BNP PARIBAS FINANCIAL MARKETS | 1.5% | 90,150 | 0% | 0% | $904,204 |
| Westchester Capital Management, LLC | 1.3% | 80,000 | 0% | 0.04% | $804,000 |
| Crossingbridge Advisors, LLC | 1.2% | 75,000 | 0.14% | $753,750 | |
| RLH Capital LLC | 0.94% | 57,500 | 0% | 0.29% | $577,588 |
| HEIGHTS CAPITAL MANAGEMENT, INC | 0.82% | 50,500 | 0.14% | $507,525 | |
| Virtu Financial LLC | 0.55% | 33,601 | 0.01% | $338,000 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
2
Latest
Q1 2026
Rows shown
1-2 of 2