Companies / Silverbox Corp IV

Silverbox Corp IV

NYSECIK 2015947AUSTIN, TX

Financials

Revenue—
Net income$5.72M
Total debt—
Cash—
Diluted EPS—
Shares outstanding6.4M

Ownership

6.4M shares outstanding · as of Aug 12, 2026
44.5%10%+ / strategic
Ownership
10%+ / strategic44.49%2,857,347
Institutions292.03%18,754,906
Public float0.00%0

Reported holdings exceed shares outstanding — public float shown as 0; some positions may overlap or lag.

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 0

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Insider% of sharesShares
No insiders recorded yet.

Institutional holders 48

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HolderValue% of shares
Linden Advisors LP$21.40M31.14%
Mizuho Securities USA LLC$17.30M25.62%
W. R. Berkley Corporation$16.21M23.58%
Polar Asset Management Partners Inc.$16.14M23.48%
AQR Arbitrage LLC$14.29M20.79%
Wolverine Asset Management, LLC$10.63M15.47%
D. E. Shaw & Co., Inc.$10.59M15.41%
MMCAP International Inc. SPC$10.49M15.26%
Picton Mahoney Asset Management$8.73M12.84%
Governors Lane LP$7.97M11.73%

Activity

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InsidersInstitutions
What insiders are doing in this stock (Form 4).
No activity matches these filters.

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Sculptor Capital LPPassive13G/A—0—
W. R. Berkley CorporationPassive13G—1,211,674—
Mizuho Financial Group, Inc.Passive13G—1,645,673—
W. R. Berkley CorporationPassive13G/A—1,514,573—

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
———G81354105—