Stonebridge Acquisition II CAPACU
13F holders, Q4 2025 (December 31)11holders −21
1new positions
6sold out
1famous investor
$10.04avg. 13F price*
At the end of Q4 2025, 11 institutions reported holding Stonebridge Acquisition II C (APACU) in their 13F filings, down 21 from Q3 2025. 1 opened new positions and 6 sold out. The largest holders were Rivernorth Capital Management, LLC ($5.0M), Mangrove Partners Im, LLC ($2.3M) and Toronto Dominion Bank ($1.2M). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Stonebridge Acquisition II C
- CUSIP
- G85096124
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $144K |
| Exits | 6 | $6.7M |
All 13F filers, Q3 2025 → Q4 2025: 137,126 shares bought and 917,456 shares sold, net −780,330 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 11 holders
| Rivernorth Capital Management, LLC | 0.24% | Reduce -0.1% | 494,517 | $5.0M |
| Mangrove Partners Im, LLC | 0.18% | Add +80.0% | 225,000 | $2.3M |
| Toronto Dominion Bank | 0.00% | Add +22.3% | 122,316 | $1.2M |
| Crossingbridge Advisors, LLC | 0.45% | Reduce -40.0% | 75,000 | $753K |
| Yakira Capital Management, Inc. | 0.22% | No change | 65,000 | $653K |
| Quarry LP | 0.10% | No change | 60,000 | $604K |
| Sandia Investment Management LP | 1.51% | No change | 60,000 | $602K |
| Heights Capital Management, Inc. | 0.19% | Add +1.0% | 50,500 | $509K |
| Lineage Point Capital LP | 0.15% | — | 39,800 | $400K |
| Citadel Advisors | 0.00% | New | 14,310 | $144K |
| Clear Street Group Inc. | 0.00% | Reduce -96.7% | 6,772 | $68K |
"% of holder's portfolio" is APACU's weight in each manager's 13F, not the share of Stonebridge Acquisition II C the manager owns.