Who Owns SILVERBOX CORP IV (SBXD.WS)? -- Institutional Holders (2026-03-31)
30 institutions reported holding $1.5M of SILVERBOX CORP IV (SBXD.WS) in SEC 13F filings for 2026-03-31. Largest institutional holders: Linden Advisors LP ($191,333), Polar Asset Management Partners Inc. ($147,774), HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND ($146,667), Sculptor Capital LP ($120,999), AQR Arbitrage LLC ($118,169). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | Linden Advisors LP | $191,333 | 666,667 | Hold |
| 2 | Polar Asset Management Partners Inc. | $147,774 | 660,000 | Hold |
| 3 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $146,667 | 666,666 | Hold |
| 4 | Sculptor Capital LP | $120,999 | 469,900 | Hold |
| 5 | AQR Arbitrage LLC | $118,169 | 527,727 | Trimmed |
| 6 | ARISTEIA CAPITAL, L.L.C. | $94,885 | 368,485 | Added |
| 7 | MMCAP International Inc. SPC | $73,141 | 326,666 | Hold |
| 8 | BNP PARIBAS FINANCIAL MARKETS | $55,244 | 214,539 | Hold |
| 9 | Calamos Advisors LLC | $47,833 | 166,666 | Hold |
| 10 | PICTON MAHONEY ASSET MANAGEMENT | $45,525 | 203,326 | Hold |
| 11 | Shaolin Capital Management LLC | $44,680 | 199,555 | Hold |
| 12 | LMR Partners LLP | $37,317 | 166,666 | Hold |
| 13 | Walleye Capital LLC | $36,841 | 164,542 | Hold |
| 14 | DLD Asset Management, LP | $33,638 | 150,235 | Hold |
| 15 | Magnetar Financial LLC | $33,106 | 150,481 | Trimmed |
| 16 | CSS LLC/IL | $29,671 | 132,521 | Hold |
| 17 | Context Capital Management, LLC | $23,357 | 104,317 | Hold |
| 18 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $22,392 | 99,999 | Hold |
| 19 | MOORE CAPITAL MANAGEMENT, LP | $18,658 | 83,333 | Hold |
| 20 | Periscope Capital Inc. | $18,025 | 70,000 | Hold |
| 21 | Saba Capital Management, L.P. | $17,435 | 67,710 | Hold |
| 22 | Wealthspring Capital LLC | $16,973 | 77,152 | Trimmed |
| 23 | GRITSTONE ASSET MANAGEMENT LLC | $16,437 | 73,411 | Hold |
| 24 | MILLENNIUM MANAGEMENT LLC | $14,928 | 66,666 | Hold |
| 25 | Bulldog Investors, LLP | $12,952 | 58,070 | Trimmed |
Source: SEC Form 13F filings · as of 2026-03-31