Silverbox Corp. IVSBXUF
13F holders, Q3 2025 (September 30)4holders +1
1new positions
0sold out
$2.87avg. 13F price*
At the end of Q3 2025, 4 institutions reported holding Silverbox Corp. IV (SBXUF) in their 13F filings, up 1 from Q2 2025. 1 opened new positions and 0 sold out. The largest holders were Clear Street Group Inc. ($78K), Highbridge Capital Management LLC ($31K) and UBS Group AG ($17K).
- Company
- Silverbox Corp. IV
- CUSIP
- G81354113
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $31K |
| Exits | 0 | $0 |
All 13F filers, Q2 2025 → Q3 2025: 35,000 shares bought and 46 shares sold, net +34,954 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 4 holders
| Clear Street Group Inc. | 0.00% | — | 7,363 | $78K |
| Highbridge Capital Management LLC | 0.00% | New | 35,000 | $31K |
| UBS Group AG | 0.00% | Reduce -2.8% | 1,604 | $17K |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | No change | 2 | $21 |
"% of holder's portfolio" is SBXUF's weight in each manager's 13F, not the share of Silverbox Corp. IV the manager owns.