Silverbox Corp. IV-ASBXDF
13F holders, Q3 2025 (September 30)At the end of Q3 2025, 50 institutions reported holding Silverbox Corp. IV-A (SBXDF) in their 13F filings, up 2 from Q2 2025. 7 opened new positions and 5 sold out. The largest holders were Linden Advisors LP ($20.9M), Polar Asset Management Partners Inc. ($15.5M) and AQR Arbitrage LLC ($14.1M). 3 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Silverbox Corp. IV-A
- CUSIP
- G81354105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 7 | $7.0M |
| Exits | 5 | $18.4M |
All 13F filers, Q2 2025 → Q3 2025: 2,473,471 shares bought and 2,561,664 shares sold, net −88,193 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 50 holders
| Linden Advisors LP | 1.98% | No change | 2,000,000 | $20.9M |
| Polar Asset Management Partners Inc. | 0.45% | No change | 1,480,000 | $15.5M |
| AQR Arbitrage LLC | 0.50% | No change | 1,347,002 | $14.1M |
| Sculptor Capital LP | 0.28% | Reduce -2.1% | 1,174,354 | $12.3M |
| D. E. Shaw & Co. | 0.01% | No change | 989,397 | $10.4M |
| MMCAP International Inc. SPC | 1.22% | No change | 980,000 | $10.3M |
| Toronto Dominion Bank | 0.02% | Add +197.3% | 938,000 | $9.8M |
| Picton Mahoney Asset Management | 0.11% | No change | 824,899 | $8.6M |
| Governors Lane LP | 1.10% | No change | 753,177 | $7.9M |
| Decagon Asset Management LLP | 3.79% | Add +53.0% | 674,754 | $7.1M |
| Wolverine Asset Management LLC | 0.49% | Add +1163.0% | 672,612 | $7.0M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -29.8% | 606,254 | $6.3M |
| Magnetar Financial LLC | 0.04% | Reduce -4.9% | 520,823 | $5.5M |
| LMR Partners LLP | 0.10% | No change | 500,000 | $5.2M |
| Calamos Advisors LLC | 0.03% | No change | 500,000 | $5.2M |
| Two Sigma Investments, LP | 0.01% | No change | 500,000 | $5.2M |
| First Trust Capital Management L.P. | 0.30% | Reduce -1.6% | 445,168 | $4.7M |
| Westchester Capital Management, LLC | 0.18% | Reduce -2.0% | 325,485 | $3.4M |
| Rivernorth Capital Management, LLC | 0.18% | No change | 299,997 | $3.1M |
| Mizuho Securities USA LLC | 0.06% | New | 293,259 | $3.1M |
| Bulldog Investors, LLP | 0.67% | Reduce -2.3% | 275,171 | $2.9M |
| Context Capital Management, LLC | 0.57% | No change | 262,951 | $2.8M |
| Moore Capital Management, LP | 0.05% | No change | 250,000 | $2.6M |
| Wealthspring Capital LLC | 0.54% | Reduce -1.2% | 211,195 | $2.2M |
| Gritstone Asset Management LLC | 2.32% | Reduce -5.6% | 209,806 | $2.2M |
| Periscope Capital Inc. | 0.53% | Reduce -17.6% | 200,000 | $2.1M |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.01% | Reduce -66.7% | 200,000 | $2.1M |
| Millennium Management | 0.00% | Reduce -0.0% | 200,000 | $2.1M |
| Shaolin Capital Management LLC | 0.39% | Add +103.2% | 196,925 | $2.1M |
| Radcliffe Capital Management, L.P. | 0.38% | Add +14.4% | 177,412 | $1.9M |
| Berkley W R Corp. | 0.12% | Add +184.2% | 171,191 | $1.8M |
| Mangrove Partners Im, LLC | 0.14% | New | 156,622 | $1.6M |
| Meteora Capital, LLC | 0.17% | New | 150,000 | $1.6M |
| DLD Asset Management, LP | 0.53% | No change | 120,000 | $1.3M |
| HRT Financial LP | 0.00% | Reduce -3.7% | 116,999 | $1.2M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | No change | 99,998 | $1.0M |
| Massar Capital Management, LP | 0.35% | Add +35.1% | 94,600 | $990K |
| Rangeley Capital, LLC | 0.78% | Add +670.3% | 77,027 | $806K |
| JPMorgan Chase & Co. | 0.00% | Reduce -9.2% | 50,000 | $524K |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 0.02% | Reduce -4.3% | 47,830 | $501K |
| Citadel Advisors | 0.00% | New | 46,712 | $489K |
| Fifth Lane Capital, LP | 0.41% | Reduce -68.0% | 38,419 | $402K |
| Galaxy Group Investments LLC | 0.03% | New | 25,000 | $262K |
| Tuttle Capital Management, LLC | 0.79% | No change | 20,000 | $209K |
| Glazer Capital, LLC | 0.01% | No change | 20,000 | $209K |
| UBS Group AG | 0.00% | No change | 13,452 | $141K |
| Clear Street Group Inc. | 0.00% | — | 10,000 | $105K |
| Royal Bank of Canada | 0.00% | New | 1,300 | $14K |
| FNY Investment Advisers, LLC | 0.00% | New | 100 | $1K |
| National Bank of Canada | 0.00% | Reduce -16.2% | 31 | $303 |
"% of holder's portfolio" is SBXDF's weight in each manager's 13F, not the share of Silverbox Corp. IV-A the manager owns.