HCM III ACQUISITION CORP. - Class A common stock (HCMA) Institutional Ownership

13F Institutional Holders and Ownership History from Q3 2025 to Q4 2025

Type / Class
Equity / Class A common stock
Symbol
HCMA on Nasdaq
Shares outstanding
25,299,887
Price per share
$10.04
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
22,200,300
Total reported value
$223,051,416
% of total 13F portfolios
0%
Share change
+5,905,833
Value change
+$59,358,388
Number of holders
54
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of HCM III ACQUISITION CORP. - Class A common stock (HCMA) based on Schedule 13D/G filings

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 5.7% $14,568,793 1,451,075 Meteora Capital, LLC 31 Dec 2025

As of 31 Dec 2025, 54 institutional investors reported holding 22,200,300 shares of HCM III ACQUISITION CORP. - Class A common stock (HCMA). This represents 88% of the company’s total 25,299,887 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of HCM III ACQUISITION CORP. - Class A common stock (HCMA) together control 76% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
METEORA CAPITAL, LLC 5.7% 1,451,075 -9.8% 1.2% $14,568,793
Linden Advisors LP 4.7% 1,200,000 +20% 0.07% $12,072,000
LMR Partners LLP 4.2% 1,050,000 0% 0.1% $10,542,000
Governors Lane LP 4% 1,000,000 +25% 0.93% $10,040,000
HIGHBRIDGE CAPITAL MANAGEMENT LLC 4% 1,000,000 0% 0.46% $10,060,000
TENOR CAPITAL MANAGEMENT Co., L.P. 4% 1,000,000 0% 0.14% $10,040,000
MMCAP International Inc. SPC 4% 1,000,000 1% $10,040,000
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 4% 999,999 0.02% $10,059,990
Magnetar Financial LLC 4% 999,990 0.1% $10,059,899
Saba Capital Management, L.P. 3.8% 949,650 0% 0.32% $9,534,486
Verition Fund Management LLC 3.7% 941,727 -18% 0.05% $9,473,774
TWO SIGMA INVESTMENTS, LP 3.2% 797,500 0% 0.01% $8,006,900
Mint Tower Capital Management B.V. 3% 750,000 0.95% $7,530,000
Radcliffe Capital Management, L.P. 2.8% 700,000 +22% 0.38% $7,028,000
HGC Investment Management Inc. 2.4% 600,000 -14% 1.3% $6,024,000
Alberta Investment Management Corp 2.2% 550,000 0.03% $5,533,000
MIZUHO SECURITIES USA LLC 2.1% 521,090 +89% 0.09% $5,264,912
Context Capital Management, LLC 2% 500,000 0% 0.13% $5,020,000
Periscope Capital Inc. 2% 500,000 0.97% $5,020,000
PEAK6 LLC 2% 499,999 0% 0.14% $5,019,990
PICTON MAHONEY ASSET MANAGEMENT 2% 499,995 0% 0.05% $5,019,950
MILLENNIUM MANAGEMENT LLC 1.7% 440,750 +2104% 0% $4,425,130
Harraden Circle Investments, LLC 1.7% 423,280 -53% 0.78% $4,249,731
AQR Arbitrage LLC 1.5% 379,387 0.08% $3,816,633
WOLVERINE ASSET MANAGEMENT LLC 1.4% 355,174 -13% 0.05% $3,565,947

Institutional Holders of HCM III ACQUISITION CORP. - Class A common stock (HCMA) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 22,200,300 $223,051,416 +$59,358,388 $10.04 54
2025 Q3 16,173,867 $162,497,130 +$159,761,302 $10.10 37