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.
13F holders, Q4 2025
Institutional positions in SilverBox Corp IV as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 46
- −4 vs. Q3 2025
- Shares held
- 19.8M
- +525.7K (+2.7%) vs. Q3 2025
- Total value
- $209.3M
- +$7.56M (+3.7%) vs. Q3 2025
- New holders
- 8
- 9 more added
- Sold out
- 12
- 8 more reduced
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SBXD on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 49 | $221.7M |
| Q1 2026 | 46 | $216.4M |
| Q4 2025 | 46 | $209.3M |
| Q3 2025 | 50 | $201.7M |
| Q2 2025 | 49 | $212.9M |
| Q1 2025 | 35 | $194.4M |
| Q4 2024 | 25 | $148.5M |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding SilverBox Corp IV; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Linden Advisors LP | 2,000,000 | $21.2M | 0.13% | 00.0% | Unchanged |
| Mizuho Securities USA LLC | 1,645,673 | $17.3M | 0.29% | +1,352,414+461.2% | Added |
| Polar Asset Management Partners Inc. | 1,380,000 | $14.6M | 0.29% | −100,000−6.8% | Reduced |
| CNH Partners LLC | 1,347,002 | $14.3M | 0.30% | 00.0% | Unchanged |
| Berkley W R Corp | 1,211,674 | $12.8M | 0.72% | +1,040,483+607.8% | Added |
| D. E. Shaw & Co., Inc. | 989,397 | $10.5M | 0.01% | 00.0% | Unchanged |
| MMCAP International Inc. SPC | 980,000 | $10.4M | 1.04% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 972,109 | $10.3M | 0.15% | +299,497+44.5% | Added |
| Picton Mahoney Asset Management | 824,899 | $8.73M | 0.10% | 00.0% | Unchanged |
| Governors Lane LP | 753,177 | $7.97M | 0.74% | 00.0% | Unchanged |
| Crossingbridge Advisors, LLC | 637,732 | $6.74M | 1.90% | +637,732 | New |
| Goldman Sachs Group Inc | 606,254 | $6.41M | 0.00% | 00.0% | Unchanged |
| RiverPark Advisors, LLC | 587,732 | $6.22M | 1.79% | +587,732 | New |
| Magnetar Financial LLC | 520,823 | $5.51M | 0.05% | 00.0% | Unchanged |
| Calamos Advisors LLC | 500,000 | $5.29M | 0.02% | 00.0% | Unchanged |
| LMR Partners LLP | 500,000 | $5.29M | 0.05% | 00.0% | Unchanged |
| Vivaldi Asset Management, LLC | 445,168 | $4.71M | 0.29% | 00.0% | Unchanged |
| Aristeia Capital LLC | 336,123 | $3.56M | 0.10% | +336,123 | New |
| Westchester Capital Management, LLC | 325,485 | $3.44M | 0.16% | 00.0% | Unchanged |
| Rivernorth Capital Management, LLC | 299,997 | $3.17M | 0.15% | 00.0% | Unchanged |
| Context Capital Management, LLC | 262,951 | $2.78M | 0.07% | 00.0% | Unchanged |
| Moore Capital Management, LP | 250,000 | $2.65M | 0.05% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 227,454 | $2.41M | 0.13% | +50,042+28.2% | Added |
| Shaolin Capital Management LLC | 225,000 | $2.38M | 0.09% | +28,075+14.3% | Added |
| Wealthspring Capital LLC | 208,849 | $2.21M | 0.52% | −2,346−1.1% | Reduced |
| Millennium Management LLC | 200,000 | $2.12M | 0.00% | 00.0% | Unchanged |
| Periscope Capital Inc. | 186,353 | $1.97M | 0.38% | −13,647−6.8% | Reduced |
| Toronto Dominion Bank | 158,057 | $1.67M | 0.00% | −779,943−83.1% | Reduced |
| Mangrove Partners | 156,622 | $1.66M | 0.14% | 00.0% | Unchanged |
| Quarry LP | 141,597 | $1.50M | 0.25% | +141,597 | New |
| Creek Drive Management Group LLC | 140,000 | $1.48M | 1.09% | +140,000 | New |
| HRT Financial LP | 139,195 | $1.47M | 0.00% | +22,196+19.0% | Added |
| DLD Asset Management, LP | 121,473 | $1.29M | 0.13% | +1,473+1.2% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 99,998 | $1.06M | 0.00% | 00.0% | Unchanged |
| Massar Capital Management, LP | 94,600 | $1.00M | 0.20% | 00.0% | Unchanged |
| Meteora Capital, LLC | 70,000 | $740.6K | 0.06% | −80,000−53.3% | Reduced |
| Lineage Point Capital LP | 50,042 | $529.4K | 0.20% | +50,042 | New |
| JPMorgan Chase & Co | 50,000 | $529.0K | 0.00% | 00.0% | Unchanged |
| UBS Oconnor LLC | 47,830 | $506.0K | 0.01% | 00.0% | Unchanged |
| Clear Street Group Inc. | 29,915 | $316.5K | 0.00% | +19,915+199.2% | Added |
| Glazer Capital, LLC | 20,780 | $220.0K | 0.01% | +780+3.9% | Added |
| Schonfeld Strategic Advisors LLC | 19,355 | $204.8K | 0.00% | +19,355 | New |
| Two Sigma Securities, LLC | 17,330 | $183.4K | 0.03% | +17,330 | New |
| Citadel Advisors LLC | 10,631 | $112.5K | 0.00% | −36,081−77.2% | Reduced |
| UBS Group AG | 2,218 | $23.5K | 0.00% | −11,234−83.5% | Reduced |
| FNY Investment Advisers, LLC | 87 | $0 | 0.00% | −13−13.0% | Reduced |
| Sculptor Capital LP | 0 | $0 | 0.00% | −1,174,354−100.0% | Sold out |
| Decagon Asset Management LLP | 0 | $0 | 0.00% | −674,754−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Bulldog Investors, LLP | 0 | $0 | 0.00% | −275,171−100.0% | Sold out |
| Gritstone Asset Management LLC | 0 | $0 | 0.00% | −209,806−100.0% | Sold out |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Rangeley Capital, LLC | 0 | $0 | 0.00% | −77,027−100.0% | Sold out |
| Fifth Lane Capital, LP | 0 | $0 | 0.00% | −38,419−100.0% | Sold out |
| Galaxy Group Investments LLC | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| Tuttle Tactical Management | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −1,300−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −31−100.0% | Sold out |