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 |
|---|---|---|---|---|---|
| National Bank of Canada | 31 | $303 | 0.00% | −6−16.2% | Reduced |
| FNY Investment Advisers, LLC | 100 | $1.00K | 0.00% | +100 | New |
| Royal Bank of Canada | 1,300 | $14.0K | 0.00% | +1,300 | New |
| Clear Street Group Inc. | 10,000 | $104.7K | 0.00% | +10,000 | New |
| UBS Group AG | 13,452 | $140.8K | 0.00% | 00.0% | Unchanged |
| Glazer Capital, LLC | 20,000 | $209.0K | 0.01% | 00.0% | Unchanged |
| Tuttle Tactical Management | 20,000 | $209.4K | 0.79% | 00.0% | Unchanged |
| Galaxy Group Investments LLC | 25,000 | $261.8K | 0.03% | +25,000 | New |
| Fifth Lane Capital, LP | 38,419 | $402.2K | 0.40% | −81,480−68.0% | Reduced |
| Citadel Advisors LLC | 46,712 | $489.1K | 0.00% | +46,712 | New |
| UBS Oconnor LLC | 47,830 | $500.8K | 0.02% | −2,170−4.3% | Reduced |
| JPMorgan Chase & Co | 50,000 | $523.5K | 0.00% | −5,038−9.2% | Reduced |
| Rangeley Capital, LLC | 77,027 | $806.5K | 0.76% | +67,027+670.3% | Added |
| Massar Capital Management, LP | 94,600 | $990.5K | 0.35% | +24,600+35.1% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 99,998 | $1.05M | 0.00% | 00.0% | Unchanged |
| HRT Financial LP | 116,999 | $1.22M | 0.00% | −4,465−3.7% | Reduced |
| DLD Asset Management, LP | 120,000 | $1.26M | 0.16% | 00.0% | Unchanged |
| Meteora Capital, LLC | 150,000 | $1.57M | 0.17% | +150,000 | New |
| Mangrove Partners | 156,622 | $1.64M | 0.14% | +156,622 | New |
| Berkley W R Corp | 171,191 | $1.79M | 0.12% | +110,952+184.2% | Added |
| Radcliffe Capital Management, L.P. | 177,412 | $1.86M | 0.12% | +22,375+14.4% | Added |
| Shaolin Capital Management LLC | 196,925 | $2.06M | 0.10% | +100,000+103.2% | Added |
| 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 |
| Gritstone Asset Management LLC | 209,806 | $2.20M | 2.26% | −12,345−5.6% | Reduced |
| Wealthspring Capital LLC | 211,195 | $2.21M | 0.53% | −2,595−1.2% | Reduced |
| Moore Capital Management, LP | 250,000 | $2.62M | 0.05% | 00.0% | Unchanged |
| Context Capital Management, LLC | 262,951 | $2.75M | 0.08% | 00.0% | Unchanged |
| Bulldog Investors, LLP | 275,171 | $2.88M | 0.67% | −6,326−2.2% | Reduced |
| Mizuho Securities USA LLC | 293,259 | $3.07M | 0.06% | +293,259 | New |
| Rivernorth Capital Management, LLC | 299,997 | $3.14M | 0.18% | 00.0% | Unchanged |
| Westchester Capital Management, LLC | 325,485 | $3.41M | 0.18% | −6,777−2.0% | Reduced |
| Vivaldi Asset Management, LLC | 445,168 | $4.66M | 0.30% | −7,100−1.6% | 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 |
| Magnetar Financial LLC | 520,823 | $5.45M | 0.03% | −26,988−4.9% | Reduced |
| Goldman Sachs Group Inc | 606,254 | $6.35M | 0.00% | −257,203−29.8% | Reduced |
| Wolverine Asset Management LLC | 672,612 | $7.04M | 0.10% | +619,358+1,163.0% | Added |
| Decagon Asset Management LLP | 674,754 | $7.06M | 3.73% | +233,655+53.0% | Added |
| Governors Lane LP | 753,177 | $7.89M | 1.09% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 824,899 | $8.64M | 0.11% | 00.0% | Unchanged |
| Toronto Dominion Bank | 938,000 | $9.82M | 0.02% | +622,511+197.3% | Added |
| MMCAP International Inc. SPC | 980,000 | $10.3M | 1.19% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 989,397 | $10.4M | 0.01% | 00.0% | Unchanged |
| Sculptor Capital LP | 1,174,354 | $12.3M | 0.17% | −25,646−2.1% | Reduced |
| CNH Partners LLC | 1,347,002 | $14.1M | 0.36% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 1,480,000 | $15.5M | 0.31% | 00.0% | Unchanged |
| Linden Advisors LP | 2,000,000 | $20.9M | 0.14% | 00.0% | Unchanged |
| 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 |