Stonebridge Acquisition Class AAPAC
13F holders, Q1 2026 (March 31)28holders +5
6new positions
2sold out
$10.04avg. 13F price*
At the end of Q1 2026, 28 institutions reported holding Stonebridge Acquisition Class A (APAC) in their 13F filings, up 5 from Q4 2025. 6 opened new positions and 2 sold out. The largest holders were Mizuho Securities USA LLC ($5.5M), Rivernorth Capital Management, LLC ($5.0M) and Karpus Management, Inc. ($4.3M).
- Company
- Stonebridge Acquisition Class A
- CUSIP
- G85096108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 6 | $10.0M |
| Exits | 2 | $2.7M |
All 13F filers, Q4 2025 → Q1 2026: 1,343,644 shares bought and 760,243 shares sold, net +583,401 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 28 holders
| Mizuho Securities USA LLC | 0.13% | No change | 552,055 | $5.5M |
| Rivernorth Capital Management, LLC | 0.25% | New | 494,517 | $5.0M |
| Karpus Management, Inc. | 0.14% | Add +348.0% | 433,550 | $4.3M |
| Wolverine Asset Management LLC | 0.21% | Reduce -20.0% | 401,013 | $4.0M |
| Glazer Capital, LLC | 0.09% | Reduce -5.4% | 385,066 | $3.9M |
| Clear Street Group Inc. | 0.02% | Reduce -4.7% | 308,128 | $3.1M |
| AQR Arbitrage LLC | 0.06% | Reduce -3.1% | 286,849 | $2.9M |
| Logan Stone Capital, LLC | 0.70% | No change | 252,000 | $2.5M |
| Mangrove Partners Im, LLC | 0.18% | New | 225,000 | $2.3M |
| Shaolin Capital Management LLC | 0.22% | No change | 200,000 | $2.0M |
| Aristeia Capital, L.L.C. | 0.08% | No change | 200,000 | $2.0M |
| Verition Fund Management LLC | 0.02% | No change | 200,000 | $2.0M |
| Radcliffe Capital Management, L.P. | 0.18% | No change | 160,000 | $1.6M |
| Cable Car Capital, LP | 0.64% | No change | 150,000 | $1.5M |
| Polar Asset Management Partners Inc. | 0.05% | No change | 150,000 | $1.5M |
| Boothbay Fund Management, LLC | 0.03% | No change | 137,500 | $1.4M |
| Sona Asset Management (us) LLC | 0.07% | New | 117,096 | $1.2M |
| Berkley W R Corp. | 0.06% | No change | 113,358 | $1.1M |
| Two Sigma Investments, LP | 0.00% | No change | 90,625 | $909K |
| BNP Paribas Financial Markets | 0.00% | Add +14.1% | 90,150 | $904K |
| Westchester Capital Management, LLC | 0.04% | No change | 80,000 | $804K |
| Crossingbridge Advisors, LLC | 0.15% | New | 75,000 | $754K |
| RLH Capital LLC | 0.29% | — | 57,500 | $578K |
| Heights Capital Management, Inc. | 0.14% | New | 50,500 | $508K |
| Virtu Financial LLC | 0.01% | New | 33,601 | $338K |
| Warberg Asset Management LLC | 0.57% | No change | 27,500 | $276K |
| Abc Arbitrage SA | 0.03% | No change | 20,000 | $201K |
| Morgan Stanley | 0.00% | Add +106.3% | 33 | $331 |
"% of holder's portfolio" is APAC's weight in each manager's 13F, not the share of Stonebridge Acquisition Class A the manager owns.