SBXDF · SilverBox Corp IV · Shareholders & Ownership
Substantial doubt about the company's ability to continue as a going concern.
“The Company's liquidity condition and mandatory liquidation within one year raises substantial doubt about the Company's ability to continue as a going concern for a period of time within one year after the date that the accompanying unaudited condensed financial statements are issued. Management plans to address this uncertainty through a Business Combination. No adjustments have been made to the carrying amounts of assets or liabilities should the Company be required to liquidate after the Combination Period. The Company intends to complete the initial Business Combination before the end of the Combination Period. However, there can be no assurance that the Company will be able to consummate any Business Combination by the end of the Combination Period.”View the 10-Q filed Aug 12, 2026
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Every disclosed holder of SBXDF in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns SBXDF
13F quarter Jun 30, 2026No chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.
| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 20,510,476 | 319.36% |
| Insiders (Forms 3, 4, 5) | 0 | 0.00% |
| 13D/G-only blocks | 1,012,401 | 15.76% |
| Remaining | 15,100,543 | -235.13% |
| Registered funds (N-PORT, not summed) | 0 | 0.00% |
Shares outstanding: 6,422,334, the issuer's latest cover-page count restated onto today's split basis.
Insiders are listed but not summed: the issuer has more than one class of common stock and Forms 3, 4 and 5 report one issuer-wide balance across them.
Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of SBXDF
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
Linden Advisors LP
13F
CIK 1279396 · Registered investment adviser · Jun 30, 2026
|
2,000,000 | ||
| 2 |
BERKLEY W R CORP
13F
CIK 11544 · Insurance company · Jun 30, 2026
|
1,930,127 | ||
| 2.1 |
BERKLEY W R CORP
13G
CIK 11544 · Insurance company · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
1,923,442 | ||
| 3 |
MIZUHO SECURITIES USA LLC
13F
CIK 812291 · Unknown · Jun 30, 2026
|
1,840,442 | ||
| 4 |
Polar Asset Management Partners Inc.
13F
CIK 1326389 · Registered investment adviser · Jun 30, 2026
|
1,508,005 | ||
| 5 |
AQR Arbitrage LLC
13F
CIK 1167456 · Registered investment adviser · Jun 30, 2026
|
1,012,401 | ||
| 6 |
AQR CAPITAL MANAGEMENT LLC
13G
CIK 1167557 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution
|
1,012,401 | ||
| 7 |
WOLVERINE ASSET MANAGEMENT LLC
13F
CIK 1279891 · Registered investment adviser · Jun 30, 2026
|
993,816 | ||
| 8 |
D. E. Shaw & Co., Inc.
13F
CIK 1009207 · Unknown · Jun 30, 2026
|
989,397 | ||
| 9 |
MMCAP International Inc. SPC
13F
CIK 1304857 · Unknown · Jun 30, 2026
|
980,000 | ||
| 10 |
Crossingbridge Advisors, LLC
13F
CIK 1770024 · Investment adviser · Jun 30, 2026
|
928,613 | ||
| 11 |
PICTON MAHONEY ASSET MANAGEMENT
13F
CIK 1539041 · Non-US institution · Jun 30, 2026
|
824,899 | ||
| 12 |
RiverPark Advisors, LLC
13F
CIK 1484256 · Registered investment adviser · Jun 30, 2026
|
678,613 | ||
| 13 |
GOLDMAN SACHS GROUP INC
13F
CIK 886982 · Holding company · Jun 30, 2026
|
606,074 | ||
| 14 |
Magnetar Financial LLC
13F
CIK 1352851 · Registered investment adviser · Jun 30, 2026
|
520,823 | ||
| 15 |
Calamos Advisors LLC
13F
CIK 1316507 · Registered investment adviser · Jun 30, 2026
|
500,000 | ||
| 16 |
LMR Partners LLP
13F
CIK 1578621 · Exempt reporting adviser · Jun 30, 2026
|
500,000 | ||
| 17 |
First Trust Capital Management L.P.
13F
CIK 1604488 · Registered investment adviser · Jun 30, 2026
|
445,168 | ||
| 18 |
ARISTEIA CAPITAL, L.L.C.
13F
CIK 1080171 · Registered investment adviser · Jun 30, 2026
|
336,123 | ||
| 19 |
Westchester Capital Management, LLC
13F
CIK 1512805 · Registered investment adviser · Jun 30, 2026
|
325,485 | ||
| 20 |
RIVERNORTH CAPITAL MANAGEMENT, LLC
13F
CIK 1447578 · Registered investment adviser · Jun 30, 2026
|
299,997 | ||
| 21 |
Context Capital Management, LLC
13F
CIK 1301396 · Registered investment adviser · Jun 30, 2026
|
262,951 | ||
| 22 |
MOORE CAPITAL MANAGEMENT, LP
13F
CIK 1448574 · Registered investment adviser · Jun 30, 2026
|
250,000 | ||
| 23 |
TORONTO DOMINION BANK
13F
CIK 947263 · Bank · Jun 30, 2026
|
246,374 | ||
| 24 |
Shaolin Capital Management LLC
13F
CIK 1766806 · Registered investment adviser · Jun 30, 2026
|
241,138 | ||
| 25 |
Radcliffe Capital Management, L.P.
13F
CIK 1218275 · Registered investment adviser · Jun 30, 2026
|
227,454 | ||
| 26 |
RLH Capital LLC
13F
CIK 2008031 · Unknown · Jun 30, 2026
|
210,093 | ||
| 27 |
Wealthspring Capital LLC
13F
CIK 1844495 · Registered investment adviser · Jun 30, 2026
|
207,565 | ||
| 28 |
MILLENNIUM MANAGEMENT LLC
13F
CIK 1273087 · Registered investment adviser · Jun 30, 2026
|
200,000 | ||
| 29 |
Quarry LP
13F
CIK 1965207 · Unknown · Jun 30, 2026
|
200,000 | ||
| 30 |
SkyView Investment Advisors, LLC
13F
CIK 1848237 · Unknown · Jun 30, 2026
|
179,449 | ||
| 31 |
MANGROVE PARTNERS IM, LLC
13F
CIK 1535392 · Registered investment adviser · Jun 30, 2026
|
156,622 | ||
| 32 |
HIGHBRIDGE CAPITAL MANAGEMENT LLC
13F
CIK 919185 · Registered investment adviser · Jun 30, 2026
|
154,587 | ||
| 33 |
METEORA CAPITAL, LLC
13F
CIK 1905106 · Investment adviser · Jun 30, 2026
|
139,311 | ||
| 34 |
HRT FINANCIAL LP
13F
CIK 1475597 · Unknown · Jun 30, 2026
|
116,551 | ||
| 35 |
Massar Capital Management, LP
13F
CIK 2037238 · Unknown · Jun 30, 2026
|
94,600 | ||
| 36 |
Periscope Capital Inc.
13F
CIK 1695320 · Exempt reporting adviser · Jun 30, 2026
|
75,000 | ||
| 37 |
Lineage Point Capital LP
13F
CIK 2093311 · Investment adviser · Jun 30, 2026
|
50,042 | ||
| 38 |
DLD Asset Management, LP
13F
CIK 1578299 · Registered investment adviser · Jun 30, 2026
|
50,000 | ||
| 39 |
JPMORGAN CHASE & CO
13F
CIK 19617 · Bank · Jun 30, 2026
|
50,000 | ||
| 40 |
StoneX Group Inc.
13F
CIK 913760 · Unknown · Jun 30, 2026
|
48,554 | ||
| 41 |
Clear Street Group Inc.
13F
CIK 1881567 · Unknown · Jun 30, 2026
|
29,815 | ||
| 42 |
Alyeska Investment Group, L.P.
13F
CIK 1453072 · Registered investment adviser · Jun 30, 2026
|
24,500 | ||
| 43 |
GLAZER CAPITAL, LLC
13F
CIK 1076809 · Registered investment adviser · Jun 30, 2026
|
21,369 | ||
| 44 |
JANE STREET GROUP, LLC
13F
CIK 1595888 · Unknown · Jun 30, 2026
|
16,620 | ||
| 45 |
BOOTHBAY FUND MANAGEMENT, LLC
13F
CIK 1549230 · Registered investment adviser · Jun 30, 2026
|
11,719 | ||
| 46 |
CITADEL ADVISORS LLC
13F
CIK 1423053 · Registered investment adviser · Jun 30, 2026
|
10,170 | ||
| 47 |
BNP PARIBAS ARBITRAGE, SA
13F
CIK 1166588 · Non-US institution · Jun 30, 2026
|
9,314 | ||
| 48 |
Arax Advisory Partners
13F
CIK 1586767 · Registered investment adviser · Jun 30, 2026
|
4,221 | ||
| 49 |
UBS Group AG
13F
CIK 1610520 · Bank · Jun 30, 2026
|
2,437 | ||
| 50 |
FNY Investment Advisers, LLC
13F
CIK 1742998 · Unknown · Jun 30, 2026
|
37 |
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.