Silverbox Corp. IV-ASBXDF
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 46 institutions reported holding Silverbox Corp. IV-A (SBXDF) in their 13F filings, unchanged from Q4 2025. 5 opened new positions and 5 sold out. The largest holders were Linden Advisors LP ($21.4M), Mizuho Securities USA LLC ($19.2M) and Berkley W R Corp. ($16.2M). 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 Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 5 | $2.4M |
| Exits | 5 | $10.9M |
All 13F filers, Q4 2025 → Q1 2026: 1,328,066 shares bought and 1,144,822 shares sold, net +183,244 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 46 holders
| Linden Advisors LP | 1.24% | No change | 2,000,000 | $21.4M |
| Mizuho Securities USA LLC | 0.45% | Add +9.2% | 1,796,947 | $19.2M |
| Berkley W R Corp. | 0.87% | Add +25.0% | 1,514,573 | $16.2M |
| Polar Asset Management Partners Inc. | 0.52% | Add +9.3% | 1,508,005 | $16.1M |
| AQR Arbitrage LLC | 0.28% | Reduce -0.9% | 1,335,376 | $14.3M |
| Wolverine Asset Management LLC | 0.56% | Add +2.2% | 993,817 | $10.6M |
| D. E. Shaw & Co. | 0.01% | No change | 989,397 | $10.6M |
| MMCAP International Inc. SPC | 0.91% | No change | 980,000 | $10.5M |
| Crossingbridge Advisors, LLC | 2.13% | Add +53.2% | 977,013 | $10.5M |
| Picton Mahoney Asset Management | 0.09% | No change | 824,899 | $8.8M |
| RiverPark Advisors, LLC | 3.49% | Add +15.5% | 678,613 | $7.3M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -0.0% | 606,166 | $6.5M |
| Magnetar Financial LLC | 0.06% | No change | 520,823 | $5.6M |
| LMR Partners LLP | 0.06% | No change | 500,000 | $5.3M |
| Calamos Advisors LLC | 0.03% | No change | 500,000 | $5.3M |
| First Trust Capital Management L.P. | 0.25% | No change | 445,168 | $4.8M |
| Aristeia Capital, L.L.C. | 0.14% | No change | 336,123 | $3.6M |
| Westchester Capital Management, LLC | 0.17% | No change | 325,485 | $3.5M |
| RLH Capital LLC | 1.66% | — | 304,320 | $3.3M |
| Rivernorth Capital Management, LLC | 0.16% | No change | 299,997 | $3.2M |
| Shaolin Capital Management LLC | 0.33% | Add +24.4% | 279,849 | $3.0M |
| Context Capital Management, LLC | 0.77% | No change | 262,951 | $2.8M |
| Moore Capital Management, LP | 0.11% | No change | 250,000 | $2.7M |
| Radcliffe Capital Management, L.P. | 0.28% | No change | 227,454 | $2.4M |
| Wealthspring Capital LLC | 0.54% | Reduce -0.6% | 207,565 | $2.2M |
| Millennium Management | 0.00% | No change | 200,000 | $2.1M |
| Toronto Dominion Bank | 0.00% | Add +10.8% | 175,100 | $1.9M |
| Mangrove Partners Im, LLC | 0.14% | No change | 156,622 | $1.7M |
| Verition Fund Management LLC | 0.02% | New | 145,142 | $1.6M |
| Quarry LP | 0.31% | No change | 141,597 | $1.5M |
| Periscope Capital Inc. | 0.24% | Reduce -32.9% | 125,000 | $1.3M |
| DLD Asset Management, LP | 0.39% | Reduce -0.3% | 121,073 | $1.3M |
| HRT Financial LP | 0.00% | Reduce -16.3% | 116,551 | $1.2M |
| Massar Capital Management, LP | 0.20% | No change | 94,600 | $1.0M |
| Meteora Capital, LLC | 0.04% | Reduce -24.0% | 53,219 | $569K |
| Highbridge Capital Management LLC | 0.05% | New | 51,964 | $557K |
| JPMorgan Chase & Co. | 0.00% | No change | 50,000 | $536K |
| Lineage Point Capital LP | 0.13% | No change | 50,042 | $535K |
| Clear Street Group Inc. | 0.00% | No change | 29,915 | $320K |
| Glazer Capital, LLC | 0.01% | Add +2.8% | 21,369 | $229K |
| Jane Street Group, LLC | 0.00% | New | 14,712 | $157K |
| Citadel Advisors | 0.00% | Add +3.1% | 10,964 | $117K |
| BNP Paribas Financial Markets | 0.00% | New | 9,322 | $100K |
| UBS Group AG | 0.00% | Reduce -33.2% | 1,482 | $16K |
| National Bank of Canada | 0.00% | New | 64 | $672 |
| FNY Investment Advisers, LLC | 0.00% | Reduce -57.5% | 37 | $0 |
"% of holder's portfolio" is SBXDF's weight in each manager's 13F, not the share of Silverbox Corp. IV-A the manager owns.