Silverbox Corp. IVSBXUF

13F holders, Q1 2026 (March 31)
3holders
1new positions
1sold out
$2.99avg. 13F price*

At the end of Q1 2026, 3 institutions reported holding Silverbox Corp. IV (SBXUF) in their 13F filings, unchanged from Q4 2025. 1 opened new positions and 1 sold out. The largest holders were Clear Street Group Inc. ($81K), Highbridge Capital Management LLC ($34K) and UBS Group AG ($17K).

Company
Silverbox Corp. IV
CUSIP
G81354113
Latest filing quarter
Q2 2026

History

Number of 13F holders

0102030 Q3 2024: 28Q3 2024Q4 2024: 10Q4 2024Q1 2025: 5Q1 2025Q2 2025: 3Q2 2025Q3 2025: 4Q3 2025Q4 2025: 3Q4 2025Q1 2026: 3Q1 2026Q2 2026: 2Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions1$34K
Exits1$21

All 13F filers, Q4 2025 → Q1 2026: 35,100 shares bought and 2 shares sold, net +35,098 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 3 holders

Clear Street Group Inc. 0.00% Add +1.3% 7,563 $81K
Highbridge Capital Management LLC 0.00% New 35,000 $34K
UBS Group AG 0.00% No change 1,604 $17K

"% of holder's portfolio" is SBXUF's weight in each manager's 13F, not the share of Silverbox Corp. IV the manager owns.