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.
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
- 6
- −4 vs. Q4 2025
- Shares held
- 308.0K
- −845.2K (−73.3%) vs. Q4 2025
- Total value
- $3.14M
- −$8.44M (−72.9%) vs. Q4 2025
- New holders
- 1
- 1 more added
- Sold out
- 5
- 2 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting APACU 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 | 7 | $3.36M |
| Q1 2026 | 6 | $3.14M |
| Q4 2025 | 11 | $12.2M |
| Q3 2025 | 32 | $53.3M |
| 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 |
|---|---|---|---|---|---|
| Toronto Dominion Bank | 121,791 | $1.24M | 0.00% | −525−0.4% | Reduced |
| Yakira Capital Management, Inc. | 63,660 | $649.3K | 0.19% | −1,340−2.1% | Reduced |
| Quarry LP | 60,000 | $612.0K | 0.12% | 00.0% | Unchanged |
| Lineage Point Capital LP | 39,800 | $406.0K | 0.10% | 00.0% | Unchanged |
| Clear Street Group Inc. | 22,705 | $231.6K | 0.00% | +15,933+235.3% | Added |
| UBS Group AG | 32 | $326 | 0.00% | +32 | New |
| Rivernorth Capital Management, LLC | 0 | $0 | 0.00% | −494,517−100.0% | Sold out |
| Mangrove Partners | 0 | $0 | 0.00% | −225,000−100.0% | Sold out |
| Crossingbridge Advisors, LLC | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| Heights Capital Management, Inc | 0 | $0 | 0.00% | −50,500−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −14,310−100.0% | Sold out |
| Sandia Investment Management LP | – | – | – | – | Not filed |