SilverBox Corp IV (SBXD)
Special purpose acquisition company
SilverBox Corp IV (SBXD) was listed on the New York Stock Exchange from October 7, 2024 and stopped trading under the symbol SBXD on September 28, 2026.
- Type
- Special purpose acquisition company
- Listed On
- the New York Stock Exchange
- Listed Since
- October 7, 2024
- Stopped Trading
- September 28, 2026
About SilverBox Corp IV
SilverBox Corp IV is a blank check company.
Institutional ownership
In 13F filings for the quarter ended June 30, 2026, 47 institutions reported holding SBXD, with 18.4 million shares worth $198.9 million in aggregate. The largest reported holder was Linden Advisors, with 2.0 million shares worth $21.6 million. Of the 5 largest holders listed below, 1 added shares, 2 reduced their positions and 2 held their positions unchanged during the quarter.
| Institution | Shares | Value | Quarter change |
|---|---|---|---|
| Linden Advisors | 2,000,000 | $22M | Unchanged |
| Mizuho Securities USA | 1,840,442 | $20M | Added 2.42% |
| Polar Asset Management Partners | 1,508,005 | $16M | Unchanged |
| AQR Arbitrage | 1,012,401 | $11M | Reduced 24.19% |
| Wolverine Asset Management | 993,816 | $11M | Reduced |
Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.
Frequently asked questions
What is SBXD?
SilverBox Corp IV (SBXD) was listed on the New York Stock Exchange from October 7, 2024 and stopped trading under the symbol SBXD on September 28, 2026.
Who are the largest institutional holders of SBXD?
In 13F filings for the quarter ended June 30, 2026, the largest reported holders of SBXD were Linden Advisors, Mizuho Securities USA and Polar Asset Management Partners.
How many institutions own SBXD?
47 institutions reported a position in SBXD for the quarter ended June 30, 2026, worth $198.9 million in total.
Did institutions buy or sell SBXD last quarter?
Of the 5 largest reported holders, 1 added shares, 2 reduced their positions and 2 held their positions unchanged during the quarter. Every reported holder and its change is on the SentiSense ownership page for SBXD.
Every reported institutional holder, plus insider and congressional trades in SBXD, on SentiSense.