HCM III Acquisition Corp.
HCMAU- 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; 11 institutions reported holding it in 13F filings for Q2 2026, worth $7.84M in total; no superinvestor holds it.
13F holders, Q3 2025
Institutional positions in HCM III Acquisition Corp. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 38
- +38 vs. Q2 2025
- Shares held
- 8.13M
- +8.13M vs. Q2 2025
- Total value
- $83.8M
- +$83.8M vs. Q2 2025
- New holders
- 38
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting HCMAU on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 11 | $7.84M |
| Q1 2026 | 14 | $13.8M |
| Q4 2025 | 18 | $19.0M |
| Q3 2025 | 38 | $83.8M |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding HCM III Acquisition Corp.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| MMCAP International Inc. SPC | 1,000,000 | $10.3M | 1.20% | +1,000,000 | New |
| Magnetar Financial LLC | 1,000,000 | $10.3M | 0.06% | +1,000,000 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 1,000,000 | $10.3M | 0.02% | +1,000,000 | New |
| Mint Tower Capital Management B.V. | 750,000 | $7.73M | 0.99% | +750,000 | New |
| Alberta Investment Management Corp | 550,000 | $5.67M | 0.04% | +550,000 | New |
| Polar Asset Management Partners Inc. | 500,000 | $5.16M | 0.10% | +500,000 | New |
| Periscope Capital Inc. | 500,000 | $5.16M | 1.25% | +500,000 | New |
| Millennium Management LLC | 429,000 | $4.42M | 0.00% | +429,000 | New |
| CNH Partners LLC | 379,400 | $3.91M | 0.10% | +379,400 | New |
| Toronto Dominion Bank | 350,000 | $3.61M | 0.01% | +350,000 | New |
| Rivernorth Capital Management, LLC | 200,000 | $2.06M | 0.12% | +200,000 | New |
| Waratah Capital Advisors Ltd. | 143,164 | $1.48M | 0.10% | +143,164 | New |
| BNP Paribas Arbitrage, SA | 120,600 | $1.24M | 0.00% | +120,600 | New |
| Shaolin Capital Management LLC | 120,417 | $1.24M | 0.06% | +120,417 | New |
| Steadfast Capital Management LP | 100,000 | $1.03M | 0.02% | +100,000 | New |
| Moore Capital Management, LP | 100,000 | $1.03M | 0.02% | +100,000 | New |
| HGC Investment Management Inc. | 100,000 | $1.03M | 0.25% | +100,000 | New |
| Wealthspring Capital LLC | 100,000 | $1.03M | 0.25% | +100,000 | New |
| Jain Global LLC | 100,000 | $1.03M | 0.01% | +100,000 | New |
| Clear Street Group Inc. | 60,897 | $627.8K | 0.00% | +60,897 | New |
| Driehaus Capital Management LLC | 50,000 | $515.5K | 0.00% | +50,000 | New |
| Omers Administration Corp | 50,000 | $515.5K | 0.00% | +50,000 | New |
| Walleye Capital LLC | 50,000 | $515.5K | 0.00% | +50,000 | New |
| Sona Asset Management (US) LLC | 50,000 | $515.5K | 0.02% | +50,000 | New |
| Gritstone Asset Management LLC | 50,000 | $515.5K | 0.53% | +50,000 | New |
| HRT Financial LP | 48,617 | $501.0K | 0.00% | +48,617 | New |
| Galaxy Group Investments LLC | 44,900 | $462.9K | 0.05% | +44,900 | New |
| Heights Capital Management, Inc | 36,855 | $380.0K | 0.12% | +36,855 | New |
| BCK Capital Management LP | 32,459 | $334.7K | 0.36% | +32,459 | New |
| Westchester Capital Management, LLC | 25,000 | $257.8K | 0.01% | +25,000 | New |
| Aristeia Capital LLC | 25,000 | $257.8K | 0.01% | +25,000 | New |
| Boothbay Fund Management, LLC | 25,000 | $257.8K | 0.01% | +25,000 | New |
| Atw Spac Management LLC | 25,000 | $257.8K | 0.33% | +25,000 | New |
| Readystate Asset Management LP | 10,000 | $103.1K | 0.01% | +10,000 | New |
| PenderFund Capital Management Ltd. | 1,000 | $10.3K | 0.00% | +1,000 | New |
| FNY Investment Advisers, LLC | 782 | $8.00K | 0.00% | +782 | New |
| UBS Group AG | 364 | $3.75K | 0.00% | +364 | New |
| Picton Mahoney Asset Management | 5 | $0 | 0.00% | +5 | New |