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, Q3 2025
Institutional positions in SilverBox Corp IV as of Sep 30, 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
- 50
- +2 vs. Q2 2025
- Shares held
- 19.3M
- −78.2K (−0.4%) vs. Q2 2025
- Total value
- $201.7M
- −$11.1M (−5.2%) vs. Q2 2025
- New holders
- 8
- 8 more added
- Sold out
- 6
- 16 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding SilverBox Corp IV; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Linden Advisors LP | 2,000,000 | $20.9M | 0.14% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 1,480,000 | $15.5M | 0.31% | 00.0% | Unchanged |
| CNH Partners LLC | 1,347,002 | $14.1M | 0.36% | 00.0% | Unchanged |
| Sculptor Capital LP | 1,174,354 | $12.3M | 0.17% | −25,646−2.1% | Reduced |
| D. E. Shaw & Co., Inc. | 989,397 | $10.4M | 0.01% | 00.0% | Unchanged |
| MMCAP International Inc. SPC | 980,000 | $10.3M | 1.19% | 00.0% | Unchanged |
| Toronto Dominion Bank | 938,000 | $9.82M | 0.02% | +622,511+197.3% | Added |
| Picton Mahoney Asset Management | 824,899 | $8.64M | 0.11% | 00.0% | Unchanged |
| Governors Lane LP | 753,177 | $7.89M | 1.09% | 00.0% | Unchanged |
| Decagon Asset Management LLP | 674,754 | $7.06M | 3.73% | +233,655+53.0% | Added |
| Wolverine Asset Management LLC | 672,612 | $7.04M | 0.10% | +619,358+1,163.0% | Added |
| Goldman Sachs Group Inc | 606,254 | $6.35M | 0.00% | −257,203−29.8% | Reduced |
| Magnetar Financial LLC | 520,823 | $5.45M | 0.03% | −26,988−4.9% | Reduced |
| Two Sigma Investments, LP | 500,000 | $5.24M | 0.01% | 00.0% | Unchanged |
| Calamos Advisors LLC | 500,000 | $5.24M | 0.02% | 00.0% | Unchanged |
| LMR Partners LLP | 500,000 | $5.24M | 0.07% | 00.0% | Unchanged |
| Vivaldi Asset Management, LLC | 445,168 | $4.66M | 0.30% | −7,100−1.6% | Reduced |
| Westchester Capital Management, LLC | 325,485 | $3.41M | 0.18% | −6,777−2.0% | Reduced |
| Rivernorth Capital Management, LLC | 299,997 | $3.14M | 0.18% | 00.0% | Unchanged |
| Mizuho Securities USA LLC | 293,259 | $3.07M | 0.06% | +293,259 | New |
| Bulldog Investors, LLP | 275,171 | $2.88M | 0.67% | −6,326−2.2% | Reduced |
| Context Capital Management, LLC | 262,951 | $2.75M | 0.08% | 00.0% | Unchanged |
| Moore Capital Management, LP | 250,000 | $2.62M | 0.05% | 00.0% | Unchanged |
| Wealthspring Capital LLC | 211,195 | $2.21M | 0.53% | −2,595−1.2% | Reduced |
| Gritstone Asset Management LLC | 209,806 | $2.20M | 2.26% | −12,345−5.6% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 200,000 | $2.09M | 0.01% | −400,000−66.7% | Reduced |
| Periscope Capital Inc. | 200,000 | $2.09M | 0.51% | −42,657−17.6% | Reduced |
| Millennium Management LLC | 200,000 | $2.09M | 0.00% | −350.0% | Reduced |
| Shaolin Capital Management LLC | 196,925 | $2.06M | 0.10% | +100,000+103.2% | Added |
| Radcliffe Capital Management, L.P. | 177,412 | $1.86M | 0.12% | +22,375+14.4% | Added |
| Berkley W R Corp | 171,191 | $1.79M | 0.12% | +110,952+184.2% | Added |
| Mangrove Partners | 156,622 | $1.64M | 0.14% | +156,622 | New |
| Meteora Capital, LLC | 150,000 | $1.57M | 0.17% | +150,000 | New |
| DLD Asset Management, LP | 120,000 | $1.26M | 0.16% | 00.0% | Unchanged |
| HRT Financial LP | 116,999 | $1.22M | 0.00% | −4,465−3.7% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 99,998 | $1.05M | 0.00% | 00.0% | Unchanged |
| Massar Capital Management, LP | 94,600 | $990.5K | 0.35% | +24,600+35.1% | Added |
| Rangeley Capital, LLC | 77,027 | $806.5K | 0.76% | +67,027+670.3% | Added |
| JPMorgan Chase & Co | 50,000 | $523.5K | 0.00% | −5,038−9.2% | Reduced |
| UBS Oconnor LLC | 47,830 | $500.8K | 0.02% | −2,170−4.3% | Reduced |
| Citadel Advisors LLC | 46,712 | $489.1K | 0.00% | +46,712 | New |
| Fifth Lane Capital, LP | 38,419 | $402.2K | 0.40% | −81,480−68.0% | Reduced |
| Galaxy Group Investments LLC | 25,000 | $261.8K | 0.03% | +25,000 | New |
| Tuttle Tactical Management | 20,000 | $209.4K | 0.79% | 00.0% | Unchanged |
| Glazer Capital, LLC | 20,000 | $209.0K | 0.01% | 00.0% | Unchanged |
| UBS Group AG | 13,452 | $140.8K | 0.00% | 00.0% | Unchanged |
| Clear Street Group Inc. | 10,000 | $104.7K | 0.00% | +10,000 | New |
| Royal Bank of Canada | 1,300 | $14.0K | 0.00% | +1,300 | New |
| FNY Investment Advisers, LLC | 100 | $1.00K | 0.00% | +100 | New |
| National Bank of Canada | 31 | $303 | 0.00% | −6−16.2% | Reduced |
| Highbridge Capital Management LLC | 0 | $0 | 0.00% | −948,800−100.0% | Sold out |
| Harraden Circle Investments, LLC | 0 | $0 | 0.00% | −250,000−100.0% | Sold out |
| K2 Principal Fund, L.P. | 0 | $0 | 0.00% | −249,209−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −209,651−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | – | Sold out |
| Bardin Hill Management Partners LP | 0 | $0 | 0.00% | −23,173−100.0% | Sold out |
| Clear Street LLC | – | – | – | – | Not filed |