SilverBox Corp IV
SBXD- Exchange
- NYSE
- Industry
- Blank Checks
- SEC CIK
- 0002015947
No open-market purchases or sales by SilverBox Corp IV insiders were filed in the last 90 days; 49 institutions reported holding it in 13F filings for Q2 2026, worth $221.7M in total; no superinvestor holds it.
Holders of 5% or more of SBXD
Holders whose latest Schedule 13D or 13G filing reports 5% or more of SilverBox Corp IV, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| SilverBox Sponsor IV LLC | 13G | 21.40%5.46M shares | New | Feb 13, 20251 filing | Feb 13, 2025 | SEC |
| Polar Asset Management Partners Inc. | 13G/A | 7.20%1.48M shares | – | Aug 14, 20251 filing | Aug 14, 2025 | SEC |
| AQR Capital Management LLC | 13G/A | 6.59%1.35M shares | −1.04 ppfrom 7.63% | Feb 13, 20252 filings | Aug 14, 2025 | SEC |
| Sculptor Capital LP | 13G/A | 5.87%1.20M shares | – | Aug 14, 20251 filing | Aug 14, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
15 Schedule 13D and 13G filings on SilverBox Corp IV, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Nov 14, 202510:30 AM ET | Highbridge Capital Management LLC | 13G/A | 1.40%280.0K shares | −4.50 ppfrom 5.90%Below 5% | Sep 30, 2025 | SEC |
| Nov 10, 20252:07 PM ET | Goldman Sachs Group Incand 1 other | 13G/A | 3.20%654.0K shares | −4.70 ppfrom 7.90%Below 5% | Sep 30, 2025 | SEC |
| Aug 14, 20254:04 PM ET | Highbridge Capital Management LLC | 13G | 5.90%1.23M shares | New | Jun 30, 2025 | SEC |
| Aug 14, 20254:01 PM ET | Sculptor Capital LPand 6 others | 13G/A | 5.87%1.20M shares | – | Jun 30, 2025 | SEC |
| Aug 14, 20252:44 PM ET | Polar Asset Management Partners Inc. | 13G/A | 7.20%1.48M shares | – | Jun 30, 2025 | SEC |
| Aug 14, 202512:19 PM ET | AQR Capital Management LLCand 2 others | 13G/A | 6.59%1.35M shares | −1.04 ppfrom 7.63% | Jun 30, 2025 | SEC |
| Aug 13, 20254:28 PM ET | Goldman Sachs Group Incand 1 other | 13G/A | 7.90%1.61M shares | +2.60 ppfrom 5.30% | Jun 30, 2025 | SEC |
| Aug 13, 20254:02 PM ET | Healthcare of Ontario Pension Plan Trust Fund | 13G/A | 0.50%100.0K shares | −8.30 ppfrom 8.80%Below 5% | Jun 30, 2025 | SEC |
| Aug 12, 20254:12 PM ET | Barclays PLC | 13G/A | 4.74%970.9K shares | −1.62 ppfrom 6.36%Below 5% | Jun 30, 2025 | SEC |
| May 14, 20254:15 PM ET | Healthcare of Ontario Pension Plan Trust Fund | 13G/A | 8.80%1.80M shares | – | Mar 31, 2025 | SEC |
| Mar 21, 20255:13 PM ET | Barclays PLC | 13G/A | 6.36%1.30M shares | 0.00 ppfrom 6.36% | Dec 31, 2024 | SEC |
| Feb 13, 20256:00 PM ET | AQR Capital Management LLCand 2 others | 13G/A | 7.63%1.56M shares | – | Dec 31, 2024 | SEC |
| Feb 13, 20254:33 PM ET | SilverBox Sponsor IV LLCand 3 others | 13G | 21.40%5.46M shares | New | Dec 31, 2024 | SEC |
| Feb 10, 20255:32 PM ET | Goldman Sachs Group Incand 1 other | 13G | 5.30%1.08M shares | New | Dec 31, 2024 | SEC |
| Feb 7, 20253:52 PM ET | Barclays PLC | 13G | 6.36%1.30M shares | New | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell SilverBox Corp IV shares.
No Form 144 notices for SilverBox Corp IV are on file.