# HCM IV Acquisition Corp UNIT 01/20/2031

HCM IV Acquisition Corp UNIT 01/20/2031 is a security (CUSIP G4365S128) tracked across SEC portfolio filings. 61 institutional managers reported $248.3M on Form 13F as of 2026-06-30; 2 registered fund positions totaling $2.5M via N-PORT as of 2026-05-31.

## Summary

- Issuer: HCM IV Acquisition Corp
- Class: UNIT 01/20/2031
- CUSIP: G4365S128
- Asset category: EC
- 13F holders: 61
- 13F value: $248.3M
- 13F period: 2026-06-30
- N-PORT fund positions: 2
- N-PORT value: $2.5M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 61 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| MMCAP International Inc. SPC | GRAND CAYMAN, E9 | $14.0M | 1,400,000 |
| [Polar Asset Management Partners Inc.](https://search.stillhousedata.com/firm/162681) | TORONTO, A6 | $14.0M | 1,400,000 |
| [LMR Partners LLP](https://search.stillhousedata.com/firm/159639) | LONDON, X0 | $14.0M | 1,400,000 |
| [AQR Arbitrage LLC](https://search.stillhousedata.com/firm/114626) | Greenwich, CT | $12.8M | 1,280,942 |
| Linden Advisors LP | New York, NY | $12.5M | 1,250,000 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $11.8M | 1,178,000 |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | NEW YORK, NY | $10.0M | 1,000,000 |
| Magnetar Financial LLC | Evanston, IL | $10.0M | 1,000,000 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | TORONTO, A6 | $10.0M | 1,000,000 |
| Hudson Bay Capital Management LP | Greenwich, CT | $8.2M | 816,000 |
| ARISTEIA CAPITAL LLC | GREENWICH, CT | $8.0M | 800,000 |
| Context Capital Management, LLC | LAJOLLA, CA | $7.6M | 750,000 |
| [Saba Capital Management, L.P.](https://search.stillhousedata.com/firm/154362) | NEW YORK, NY | $7.0M | 700,000 |
| BNP PARIBAS ARBITRAGE, SNC | PARIS, I0 | $6.2M | 619,058 |
| [Kryger Capital LLC](https://search.stillhousedata.com/firm/318571) | HAMILTON, D0 | $6.0M | 601,517 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| Special Opportunities Fund, Inc. | Special Opportunities Fund, Inc. | $2.0M | 119.16% |
| High Income Securities Fund | High Income | $505K | 41.28% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/G4365S128.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.