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SilverBox Corp IV (SBXD)

OTC: SBXD · Blank Checks · Austin, TX · filing with the SEC since 2024
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Grade4.3
◀ Past 4.1● Present 5.1▶ Future 3.8
8 est.
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Who owns SilverBox Corp IV

As filed with the SEC
Holders of 5% or more
6
SilverBox Sponsor IV LLC holds 21.4% of Class A Ordinary Shares, as its SCHEDULE 13G filed Feb 13, 2025 says.
Directors and officers
1
report now, of 10 people on the record since 2024. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 6 named at left.
Holders of 5% or moreshare of the class, as filed
SilverBox Sponsor IV LLC
SCHEDULE 13G · filed Feb 13, 2025 · Class A Ordinary Shares
21.4%
W.R. Berkley Corporation
SCHEDULE 13G/A · filed Aug 6, 2026 · Class A Ordinary Shares, par value $0.0001 per share · 7.4% in May 8, 2026
9.4%
Mizuho Financial Group, Inc.
SCHEDULE 13G · filed Feb 12, 2026 · Common Shares
8%
Calamos Market Neutral Income Fund, a series of Calamos Investment Trust
SCHEDULE 13G · filed Oct 9, 2026 · Class A
7.8%
Polar Asset Management Partners Inc.
SCHEDULE 13G/A · filed Aug 14, 2025 · Class A ordinary shares, par value $0.0001 per share
7.2%
Barclays PLC
SCHEDULE 13G · filed May 14, 2026 · COMMON-STOCK · 4.74% in Aug 12, 2025
7%
Aqr Capital Management LLC
SCHEDULE 13G/A · filed Aug 12, 2026 · Class A ordinary shares, par value $0.0001 per share · reported falling below 5%, from 6.59% in Aug 14, 2025
under 5%
Goldman Sachs Group Inc.
SCHEDULE 13G/A · filed Nov 10, 2025 · Class A ordinary shares, par value $0.0001 per share · reported falling below 5%, from 7.9% in Aug 13, 2025
under 5%
Highbridge Capital Management LLC
SCHEDULE 13G/A · filed Nov 14, 2025 · Class A Ordinary Shares, par value $0.0001 per share · reported falling below 5%, from 5.9% in Aug 14, 2025
under 5%
Healthcare of Ontario Pension Plan Trust Fund
SCHEDULE 13G/A · filed Aug 13, 2025 · Class A ordinary shares, $0.0001 par value · reported falling below 5%, from 8.8% in May 14, 2025
under 5%
Sculptor Capital LP
SCHEDULE 13G/A · filed Feb 13, 2026 · Class A ordinary shares, par value $0.0001 per share · reported falling below 5%, from 5.87% in Aug 14, 2025
under 5%
What SBXD reports owning in othersstakes of 5% or more, and other ties
SilverBox Corp IV reports no stake in another company in the record.
Insider tradesForm 4
0sales
0purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
No open-market trade is on the record for these years.
Dollars as filed, summed by the transaction date.
People who traded in the window
No one on the roster filed an open-market trade in the window.
SI Assistanton SBXD · research, not advice