# SILVERBOX CORP IV A COM

SILVERBOX CORP IV A COM is a security (CUSIP G81354105) tracked across SEC portfolio filings. 48 institutional managers reported $215.9M on Form 13F as of 2026-06-30; 2 registered fund positions totaling $695K via N-PORT as of 2026-03-31.

## Summary

- Issuer: SILVERBOX CORP IV A
- Class: COM
- CUSIP: G81354105
- Asset category: EC
- 13F holders: 48
- 13F value: $215.9M
- 13F period: 2026-06-30
- N-PORT fund positions: 2
- N-PORT value: $695K
- N-PORT report: 2026-03-31

## Top institutional holders (Form 13F)

_Showing 15 of 48 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| Linden Advisors LP | New York, NY | $21.4M | 2,000,000 |
| MIZUHO SECURITIES USA LLC | NEW YORK, NY | $19.8M | 1,840,442 |
| BERKLEY W R CORP | Greenwich, CT | $16.2M | 1,514,573 |
| [Polar Asset Management Partners Inc.](https://search.stillhousedata.com/firm/162681) | TORONTO, A6 | $16.1M | 1,508,005 |
| [AQR Arbitrage LLC](https://search.stillhousedata.com/firm/114626) | Greenwich, CT | $14.3M | 1,335,376 |
| [WOLVERINE ASSET MANAGEMENT LLC](https://search.stillhousedata.com/firm/138907) | CHICAGO, IL | $10.6M | 993,817 |
| D. E. Shaw & Co., Inc. | New York, NY | $10.6M | 989,397 |
| MMCAP International Inc. SPC | GRAND CAYMAN, E9 | $10.5M | 980,000 |
| Crossingbridge Advisors, LLC | Pleasantville, NY | $10.5M | 977,013 |
| PICTON MAHONEY ASSET MANAGEMENT | TORONTO, A6 | $8.8M | 824,899 |
| RiverPark Advisors, LLC | NEW YORK, NY | $7.3M | 678,613 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $6.5M | 606,166 |
| Magnetar Financial LLC | Evanston, IL | $5.6M | 520,823 |
| [Calamos Advisors LLC](https://search.stillhousedata.com/firm/105758) | NAPERVILLE, IL | $5.4M | 500,000 |
| [LMR Partners LLP](https://search.stillhousedata.com/firm/159639) | LONDON, X0 | $5.3M | 500,000 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| First Trust Alternative Opportunities Fund | First Trust Alternative Opportunities Fund | $428K | 1.24% |
| RiverNorth Opportunities Fund Inc. | RIVERNORTH OPPORTUNITIES FUND INC. | $267K | 8.25% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/G81354105.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.