HCM III AcquisitionHCMAU
13F holders, Q4 2025 (December 31)18holders −20
1new positions
3sold out
$10.28avg. 13F price*
At the end of Q4 2025, 18 institutions reported holding HCM III Acquisition Corp. (HCMAU) in their 13F filings, down 20 from Q3 2025. 1 opened new positions and 3 sold out. The largest holders were Polar Asset Management Partners Inc. ($5.1M), Toronto Dominion Bank ($3.6M) and Rivernorth Capital Management, LLC ($2.1M).
- Company
- HCM III Acquisition Corp.
- CUSIP
- G4365E129
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $32K |
| Exits | 3 | $1.2M |
All 13F filers, Q3 2025 → Q4 2025: 72,311 shares bought and 1,123,204 shares sold, net −1,050,893 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 18 holders
| Polar Asset Management Partners Inc. | 0.13% | No change | 500,000 | $5.1M |
| Toronto Dominion Bank | 0.01% | Add +0.4% | 351,379 | $3.6M |
| Rivernorth Capital Management, LLC | 0.10% | No change | 200,000 | $2.1M |
| Waratah Capital Advisors Ltd. | 0.11% | Add +0.4% | 143,724 | $1.5M |
| Clear Street Group Inc. | 0.01% | Add +108.0% | 126,649 | $1.3M |
| Steadfast Capital Management LP | 0.02% | No change | 100,000 | $1.0M |
| Jain Global LLC | 0.01% | Reduce -1.2% | 98,791 | $1.0M |
| Wealthspring Capital LLC | 0.23% | Reduce -7.1% | 92,900 | $955K |
| Sona Asset Management (us) LLC | 0.03% | No change | 50,000 | $514K |
| OMERS ADMINISTRATION Corp | 0.00% | No change | 50,000 | $512K |
| Walleye Capital LLC | 0.00% | No change | 50,000 | $512K |
| HRT Financial LP | 0.00% | Add +2.9% | 50,002 | $512K |
| Westchester Capital Management, LLC | 0.01% | No change | 25,000 | $256K |
| Readystate Asset Management LP | 0.01% | No change | 10,000 | $102K |
| KRYGER CAPITAL Ltd | 0.00% | New | 3,080 | $32K |
| UBS Group AG | 0.00% | Add +42.6% | 519 | $5K |
| FNY Investment Advisers, LLC | 0.00% | Reduce -87.2% | 100 | $1K |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | Reduce -100.0% | 1 | $10 |
"% of holder's portfolio" is HCMAU's weight in each manager's 13F, not the share of HCM III Acquisition Corp. the manager owns.