DOSSIER · 13F Holders · Q2 2026

SILVERBOX CORP IV

3 institutions still hold SILVERBOX CORP IV as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G81354113·3 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$106K
visible holders
Holders
3
filers reporting
Concentration
83.51%
Clear Street Group Inc. #1
top holder share
AI Holders Summary · Q2 2026

3 institutions reported SILVERBOX CORP IV in Q2 2026. Clear Street Group Inc. leads at 83.5% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Clear Street Group Inc.
CIK 0001881567
$88K8K0.00%Q2 2026
02
UBS Group AG
CIK 0001610520
$17K2K0.00%Q2 2026
03
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025