Latest Period
Q2 2026
Security Snapshot
HCM III ACQUISITION CORP. - Class A common stock (HCMA) Institutional Ownership
CUSIP: G4365E103
13F Institutional Holders and Ownership History from Q3 2025 to Q2 2026
Institutions Reporting
55
Shares (Excl. Options)
22,356,121
Price
$10.28
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- Security type / class
- Equity / Class A common stock
- Symbol
- HCMA on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 22,356,121
- Total 13F value
- $229,820,598
- Portfolio coverage rank
- 0%
- Share change
- -479,130
- Value change
- -$4,869,355
- Number of holders
- 55
- Shares outstanding
- 25,281,284
- SEC-reported price per share
- $10.32
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- HCMA - HCM III ACQUISITION CORP. - Class A common stock is tracked under CUSIP G4365E103.
- 55 institutions reported positions in Q2 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 54 to 55 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $230,285,869 to $229,820,598.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 55 institutions filings for Q2 2026.
Security key
G4365E103
Latest holder period
Q2 2026
13F holders
55
13D/G owners
3
CIK / CUSIP context first
Open Q2 2026 holders
HCMA full holder history
HCM III ACQUISITION CORP. SEC filings
HCM III ACQUISITION CORP. company facts
HCM III ACQUISITION CORP. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G4365E103:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
HCMA
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| HCM INVESTOR HOLDINGS III, LLC | 25% | $85,197,747 | 8,433,333 | HCM Investor Holdings III, LLC | 04 Aug 2025 | |||
| METEORA CAPITAL, LLC | 6.6% | -20% | $17,238,296 | -$4,155,576 | 1,673,621 | -19% | Meteora Capital, LLC | 30 Jun 2026 |
| RP Investment Advisors LP | 6.1% | $15,865,953 | 1,550,924 | RP Investment Advisors LP | 15 May 2026 |
As of 30 Jun 2026, 55 institutional investors reported holding 22,356,121 shares of HCM III ACQUISITION CORP. - Class A common stock (HCMA). This represents 88% of the company’s total 25,281,284 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
76%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Meteora Capital, LLC | 6.6% | 1,673,621 | -19% | 1.4% | $17,204,824 |
| Linden Advisors LP | 4.7% | 1,200,000 | 0% | 0.06% | $12,336,000 |
| LMR Partners LLP | 4.2% | 1,050,000 | 0% | 0.08% | $10,794,000 |
| Verition Fund Management LLC | 4% | 1,021,661 | +8.5% | 0.07% | $10,502,675 |
| Governors Lane LP | 4% | 1,009,055 | 0% | 1% | $10,373,085 |
| MMCAP International Inc. SPC | 4% | 1,000,000 | 0% | 0.87% | $10,280,000 |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 4% | 1,000,000 | 0% | 0.14% | $10,280,000 |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | 4% | 1,000,000 | 0% | 0.35% | $10,280,000 |
| Magnetar Financial LLC | 4% | 999,990 | 0% | 0.09% | $10,279,897 |
| TWO SIGMA INVESTMENTS, LP | 3.2% | 797,500 | 0% | 0.01% | $8,198,300 |
| Mint Tower Capital Management B.V. | 3% | 750,000 | 0% | 0.91% | $7,710,000 |
| Saba Capital Management, L.P. | 3% | 749,650 | -21% | 0.24% | $7,706,402 |
| Radcliffe Capital Management, L.P. | 2.8% | 703,404 | 0% | 0.55% | $7,230,993 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 2.8% | 699,999 | -30% | 0.01% | $7,195,990 |
| HGC Investment Management Inc. | 2.4% | 600,000 | 0% | 1.2% | $6,168,000 |
| MILLENNIUM MANAGEMENT LLC | 2.2% | 561,350 | +27% | 0% | $5,770,678 |
| Alberta Investment Management Corp | 2.2% | 550,000 | 0% | 0.03% | $5,654,000 |
| GLAZER CAPITAL, LLC | 2.1% | 522,510 | +27% | 0.13% | $5,371,000 |
| Polar Asset Management Partners Inc. | 2% | 500,000 | 0.09% | $5,140,000 | |
| Context Capital Management, LLC | 2% | 500,000 | 0% | 0.1% | $5,140,000 |
| PEAK6 LLC | 2% | 499,999 | 0% | 0.12% | $5,139,990 |
| PICTON MAHONEY ASSET MANAGEMENT | 2% | 499,995 | 0% | 0.05% | $5,139,950 |
| Periscope Capital Inc. | 1.8% | 450,000 | 0% | 0.74% | $4,626,000 |
| BERKLEY W R CORP | 1.5% | 388,407 | 0% | 0.2% | $3,992,824 |
| AQR Arbitrage LLC | 1.5% | 379,387 | 0% | 0.06% | $3,900,098 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
4
Latest
Q2 2026
Rows shown
1-4 of 4
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 22,356,121 | $229,820,598 | -$4,869,355 | $10.28 | 55 |
| 2026 Q1 | 22,835,251 | $230,285,869 | +$4,065,849 | $10.08 | 54 |
| 2025 Q4 | 22,335,133 | $224,407,416 | +$60,714,388 | $10.04 | 55 |
| 2025 Q3 | 16,173,867 | $162,497,130 | +$159,761,302 | $10.10 | 37 |