StoneBridge Acquisition II Corp
APAC- 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; 28 institutions reported holding it in 13F filings for Q2 2026, worth $53.7M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in StoneBridge Acquisition II Corp as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 28
- +5 vs. Q4 2025
- Shares held
- 5.29M
- +640.9K (+13.8%) vs. Q4 2025
- Total value
- $53.1M
- +$10.3M (+24.0%) vs. Q4 2025
- New holders
- 7
- 3 more added
- Sold out
- 2
- 4 more reduced
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting APAC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 28 | $53.7M |
| Q1 2026 | 28 | $53.1M |
| Q4 2025 | 23 | $42.8M |
| Q3 2025 | 0 | $0 |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding StoneBridge Acquisition II Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mizuho Securities USA LLC | 552,055 | $5.49M | 0.13% | 00.0% | Unchanged |
| Rivernorth Capital Management, LLC | 494,517 | $4.97M | 0.25% | +494,517 | New |
| Karpus Management, Inc. | 433,550 | $4.35M | 0.14% | +336,775+348.0% | Added |
| Wolverine Asset Management LLC | 401,013 | $4.03M | 0.06% | −100,416−20.0% | Reduced |
| Glazer Capital, LLC | 385,066 | $3.86M | 0.08% | −22,039−5.4% | Reduced |
| Clear Street Group Inc. | 308,128 | $3.10M | 0.02% | −15,061−4.7% | Reduced |
| CNH Partners LLC | 286,849 | $2.88M | 0.05% | −9,139−3.1% | Reduced |
| Logan Stone Capital, LLC | 252,000 | $2.53M | 0.70% | 00.0% | Unchanged |
| Mangrove Partners | 225,000 | $2.26M | 0.18% | +225,000 | New |
| Aristeia Capital LLC | 200,000 | $2.01M | 0.05% | 00.0% | Unchanged |
| Verition Fund Management LLC | 200,000 | $2.01M | 0.02% | 00.0% | Unchanged |
| Shaolin Capital Management LLC | 200,000 | $2.01M | 0.08% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 160,000 | $1.61M | 0.12% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 150,000 | $1.51M | 0.04% | 00.0% | Unchanged |
| Cable Car Capital LLC | 150,000 | $1.51M | 0.52% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 137,500 | $1.38M | 0.03% | 00.0% | Unchanged |
| Sona Asset Management (US) LLC | 117,096 | $1.18M | 0.05% | +117,096 | New |
| Berkley W R Corp | 113,358 | $1.14M | 0.06% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 90,625 | $909.0K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 90,150 | $904.2K | 0.00% | +11,138+14.1% | Added |
| Westchester Capital Management, LLC | 80,000 | $804.0K | 0.04% | 00.0% | Unchanged |
| Crossingbridge Advisors, LLC | 75,000 | $753.8K | 0.14% | +75,000 | New |
| RLH Capital LLC | 57,500 | $577.6K | 0.29% | +57,500 | New |
| Heights Capital Management, Inc | 50,500 | $507.5K | 0.14% | +50,500 | New |
| Virtu Financial LLC | 33,601 | $338.0K | 0.01% | +33,601 | New |
| Warberg Asset Management LLC | 27,500 | $276.2K | 0.08% | 00.0% | Unchanged |
| Abc Arbitrage SA | 20,000 | $201.0K | 0.03% | 00.0% | Unchanged |
| Morgan Stanley | 33 | $331 | 0.00% | +17+106.3% | Added |
| Toronto Dominion Bank | 0 | $0 | 0.00% | −267,031−100.0% | Sold out |
| Decagon Asset Management LLP | 0 | $0 | 0.00% | −346,557−100.0% | Sold out |