HCM III Acquisition Corp.
HCMA- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002069856
No open-market purchases or sales by HCM III Acquisition Corp. insiders were filed in the last 90 days; 55 institutions reported holding it in 13F filings for Q2 2026, worth $229.8M in total; no superinvestor holds it.
Q4 2025 vs. Q3 2025
How the institutions holding HCM III Acquisition Corp. changed between Q3 2025 and Q4 2025.
All holders in Q4 2025All holders in Q3 2025
| Measure | Q3 2025 | Q4 2025 | Change |
|---|---|---|---|
| Holders | 37 | 55 | +18 |
| Shares | 16.2M | 22.3M | +6.16M (+38.1%) |
| Value | $162.5M | $224.4M | +$61.9M (+38.1%) |
New holders (20)
Institutions that held HCM III Acquisition Corp. at the end of Q4 2025 but not at the end of Q3 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Healthcare of Ontario Pension Plan Trust Fund | 999,999 | $10.1M | 0.02% |
| Magnetar Financial LLC | 999,990 | $10.1M | 0.10% |
| MMCAP International Inc. SPC | 1,000,000 | $10.0M | 1.00% |
| Mint Tower Capital Management B.V. | 750,000 | $7.53M | 0.96% |
| Alberta Investment Management Corp | 550,000 | $5.53M | 0.03% |
| Periscope Capital Inc. | 500,000 | $5.02M | 0.97% |
| CNH Partners LLC | 379,387 | $3.82M | 0.08% |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 199,998 | $2.01M | 0.01% |
| Virtu Financial LLC | 134,833 | $1.36M | 0.05% |
| BNP Paribas Arbitrage, SA | 120,600 | $1.21M | 0.00% |
| Moore Capital Management, LP | 100,000 | $1.00M | 0.02% |
| Driehaus Capital Management LLC | 50,000 | $503.0K | 0.00% |
| Gritstone Asset Management LLC | 50,000 | $502.0K | 0.48% |
| UBS Group AG | 38,159 | $383.1K | 0.00% |
| Susquehanna International Group, LLP | 27,210 | $273.7K | 0.00% |
| Aristeia Capital LLC | 25,000 | $251.0K | 0.01% |
| Abc Arbitrage SA | 20,000 | $200.8K | 0.02% |
| PenderFund Capital Management Ltd. | 7,200 | $72.4K | 0.01% |
| FNY Investment Advisers, LLC | 2,000 | $20.0K | 0.01% |
| Morgan Stanley | 67 | $673 | 0.00% |
Sold out (2)
Institutions that held HCM III Acquisition Corp. at the end of Q3 2025 and filed for Q4 2025 without it.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| HighTower Advisors, LLC | 132,517 | $1.34M |
| StoneX Group Inc. | 50,000 | $505.3K |