HCMA · Hcm III Acquisition Corp. · Holdings
Substantial doubt about the company's ability to continue as a going concern.
“Based on the Company’s current liquidity position, projected operating costs, and the requirement to complete a Business Combination by August 4, 2027 or otherwise liquidate, the Company may not have sufficient liquidity to meet its obligations for at least twelve months from the issuance date of these unaudited condensed financial statements. Accordingly, there is substantial doubt about the Company’s ability to continue as a going concern.”View the 10-Q filed Aug 14, 2026
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Institutional Ownership Trend
Holder Concentration
Across 66 13F filersWho Holds HCMA
Last 5 quarters through Sep 30, 2026 (filing window open)Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.
Jun 30, 2026, the newest closed quarter: 66 filers, like-for-like change -1.4%; actively managed books -1.2%; index-like books -12.5%.
| Holder type | Share | Filers | Change |
|---|---|---|---|
| Registered adviser | 54.2% | 35 | +1.4% |
| Exempt adviser | 6.8% | 2 | 0.0% |
| Adviser | 7.5% | 3 | +6.3% |
| Bank | 2.8% | 4 | -28.2% |
| Insurer | 1.3% | 1 | 0.0% |
| Broker-dealer | 2.2% | 1 | 0.0% |
| Benefit plan | 0.2% | 1 | 0.0% |
| Non-US | 11.7% | 6 | -7.6% |
| Holding company | 0.3% | 1 | 0.0% |
| Unknown | 13.0% | 12 | -4.0% |
| Style | Share | Filers | Change |
|---|---|---|---|
| Index-like | 1.2% | 2 | -12.5% |
| Systematic-like | 9.0% | 7 | +12.8% |
| Concentrated | 9.1% | 8 | -2.0% |
| Diversified active | 80.7% | 49 | -2.5% |
| Not measured | 0.0% | 0 | — |
| Turnover | Share | Filers | Change |
|---|---|---|---|
| Low turnover | 1.9% | 5 | -8.0% |
| Medium turnover | 49.1% | 25 | -4.3% |
| High turnover | 47.3% | 32 | +1.9% |
| Unknown | 1.7% | 4 | +7.6% |
| Not measured | 0.0% | 0 | — |
| Holding horizon | Share | Filers | Change |
|---|---|---|---|
| Short horizon | 53.4% | 33 | +2.8% |
| Medium horizon | 15.7% | 6 | -0.6% |
| Long horizon | 14.4% | 11 | -9.5% |
| Unknown | 16.4% | 16 | -7.0% |
| Not measured | 0.0% | 0 | — |
| 13F book size | Share | Filers | Change |
|---|---|---|---|
| Under $1B | 23.9% | 18 | +4.0% |
| $1B to $10B | 48.1% | 29 | -1.2% |
| $10B to $100B | 22.5% | 12 | -7.8% |
| $100B or more | 5.5% | 7 | +3.1% |
| Not measured | 0.0% | 0 | — |
| Client base | Share | Filers | Change |
|---|---|---|---|
| Pooled investment vehicles | 53.0% | 32 | +1.5% |
| Registered funds and BDCs | 1.0% | 2 | 0.0% |
| Charitable organizations | 0.2% | 1 | 0.0% |
| Other investment advisers | 0.0% | 0 | — |
| Diversified | 0.0% | 0 | — |
| Individuals and high net worth | 0.0% | 0 | — |
| Unknown | 45.8% | 31 | -4.5% |
| Private funds | Share | Filers | Change |
|---|---|---|---|
| Hedge funds | 56.1% | 34 | +1.8% |
| Other private funds | 0.2% | 1 | 0.0% |
| Private funds, type not stated | 4.7% | 1 | 0.0% |
| No private funds | 0.1% | 1 | 0.0% |
| Private equity funds | 0.0% | 0 | -100.0% |
| Unknown | 38.9% | 29 | -5.2% |
| Location | Share | Filers | Change |
|---|---|---|---|
| United States | 67.0% | 49 | +0.2% |
| Outside the US | 33.0% | 17 | -4.5% |
The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.
How the mix is measured
Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.
Conviction and Crowding
55 13F filers, quarter ended Jun 30, 2026Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.
Managers in the top fifth by current three-year FundScore alpha were net buyers of $0 (0 buying, 0 selling).
Estimated Holder Cost Basis
Quarter ended Jun 30, 2026, on that quarter's share basisEstimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.
Estimated cost covers 30.4% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.
Shared Holders
Companies HCMA's active holders also own, quarter ended Jun 30, 2026| # | Company | Shared holders |
|---|---|---|
| 1 | BLUW Blue Water Acquisition Corp. III | 3 |
| 2 | AEXA American Exceptionalism Acquisition Corp. A | 7 |
| 3 | MBVI M3-Brigade Acquisition VI Corp. | 3 |
| 4 | RNGT Range Capital Acquisition Corp II | 6 |
| 5 | BREZ Breeze Acquisition Corp. II | 3 |
| 6 | YCY AA Mission Acquisition Corp. II | 5 |
| 7 | JENA JENA ACQUISITION Corp II | 5 |
| 8 | FVAV Fortress Value Acquisition Corp. V | 5 |
| 9 | ANSC Agriculture & Natural Solutions Acquisition Corp | 4 |
| 10 | CEPV Cantor Equity Partners V, Inc. | 6 |
Shareholder Targets
13F filers that own its peers but not HCMA, quarter ended Jun 30, 2026Found through its holder-overlap peers: BLUW, AEXA, MBVI, RNGT, BREZ, YCY, JENA, FVAV, ANSC, CEPV, KOYN, ALDF, NSTR, EVAC, QLEP, MTNE, FCRS, BCSS, SOUL, UAC. 117 filers in all.
| # | Filer | In peers | Largest peers |
|---|---|---|---|
| 1 | ADAGE CAPITAL PARTNERS GP, L.L.C. Registered adviser, Diversified active | $113,888,356 7 held | BCSS, FVAV, MTNE |
| 2 | D. E. Shaw & Co., Inc. Unknown, Systematic-like | $104,910,288 15 held | EVAC, AEXA, BLUW |
| 3 | Fort Baker Capital Management LP Registered adviser, Concentrated | $79,443,246 5 held | BCSS, ANSC, NSTR |
| 4 | Empyrean Capital Partners, LP Registered adviser, Diversified active | $79,001,550 3 held | BCSS, FVAV, AEXA |
| 5 | Sculptor Capital LP Registered adviser, Diversified active | $62,092,080 7 held | BCSS, MTNE, FVAV |
| 6 | First Trust Capital Management L.P. Registered adviser, Diversified active | $51,838,990 12 held | SOUL, ANSC, EVAC |
| 7 | Crossingbridge Advisors, LLC Adviser, Diversified active | $47,149,262 6 held | ANSC, SOUL, QLEP |
| 8 | J. Goldman & Co LP Registered adviser, Diversified active | $42,535,009 6 held | BCSS, ANSC, CEPV |
| 9 | HighTower Advisors, LLC Registered adviser, Diversified active | $35,858,031 6 held | BCSS, EVAC, MBVI |
| 10 | Karpus Management, Inc. Adviser, Diversified active | $35,022,540 7 held | ANSC, SOUL, KOYN |
Fund Ownership of HCMA by Fund Type
Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026Index funds and index ETFs hold 0.00% of shares outstanding.
| Fund type | Of shares outstanding | Shares |
|---|---|---|
| Index funds | 0.00% | 0 |
| Index ETFs | 0.00% | 0 |
| Active ETFs | 0.02% | 6,667 |
| Active funds | 0.51% | 172,245 |
| Unclassified | 0.00% | 0 |
| All registered funds | 0.53% | 178,912 |
How fund types are measured
Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mid METEORA CAPITAL, LLC Adviser | $17,204,823 | 7.09% | 1,673,621 | Shares | 2026-08-14 | |
| Mid Linden Advisors LP Registered adviser | $12,336,000 | 5.09% | 1,200,000 | Shares | 2026-08-14 | |
| Large LMR Partners LLP Exempt adviser | $10,794,000 | 4.45% | 1,050,000 | Shares | 2026-08-14 | |
| Large Verition Fund Management LLC Registered adviser | $10,502,675 | 4.33% | 1,021,661 | Shares | 2026-08-14 | |
| Mid Governors Lane LP Registered adviser | $10,373,085 | 4.28% | 1,009,055 | Shares | 2026-08-14 | |
| Mid MMCAP International Inc. SPC | $10,280,000 | 4.24% | 1,000,000 | Shares | 2026-08-14 | |
| Mid TENOR CAPITAL MANAGEMENT Co., L.P. Registered adviser | $10,280,000 | 4.24% | 1,000,000 | Shares | 2026-08-14 | |
| Mid HIGHBRIDGE CAPITAL MANAGEMENT LLC Registered adviser | $10,280,000 | 4.24% | 1,000,000 | Shares | 2026-08-14 | |
| Mid Magnetar Financial LLC Registered adviser | $10,279,897 | 4.24% | 999,990 | Shares | 2026-08-14 | |
| Mega TWO SIGMA INVESTMENTS, LP Registered adviser | $8,198,300 | 3.38% | 797,500 | Shares | 2026-08-14 | |
| Small Mint Tower Capital Management B.V. | $7,710,000 | 3.18% | 750,000 | Shares | 2026-08-18 | |
| Mid Saba Capital Management, L.P. Registered adviser | $7,706,402 | 3.18% | 749,650 | Shares | 2026-08-14 | |
| Small Radcliffe Capital Management, L.P. Registered adviser | $7,230,993 | 2.98% | 703,404 | Shares | 2026-08-14 | |
| Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Non-US | $7,195,989 | 2.97% | 699,999 | Shares | 2026-08-13 | |
| Small HGC Investment Management Inc. Non-US | $6,168,000 | 2.54% | 600,000 | Shares | 2026-08-14 | |
| Mega MILLENNIUM MANAGEMENT LLC Registered adviser | $5,770,678 | 2.38% | 561,350 | Shares | 2026-08-14 | |
| Large Alberta Investment Management Corp Non-US | $5,654,000 | 2.33% | 550,000 | Shares | 2026-08-06 | |
| Mid GLAZER CAPITAL, LLC Registered adviser | $5,371,402 | 2.21% | 522,510 | Shares | 2026-08-17 | |
| Large TORONTO DOMINION BANK Bank HCMAU | $5,239,439 | 2.16% | 501,862 | Shares | 2026-08-14 | |
| Mid Polar Asset Management Partners Inc. Registered adviser | $5,140,000 | 2.12% | 500,000 | Shares | 2026-08-14 | |
| Small Context Capital Management, LLC Registered adviser | $5,140,000 | 2.12% | 500,000 | Shares | 2026-07-23 | |
| Large PEAK6 LLC Broker-dealer | $5,139,989 | 2.12% | 499,999 | Shares | 2026-08-13 | |
| Large PICTON MAHONEY ASSET MANAGEMENT Non-US | $5,139,948 | 2.12% | 499,995 | Shares | 2026-08-13 | |
| Mid Periscope Capital Inc. Exempt adviser | $4,626,000 | 1.91% | 450,000 | Shares | 2026-08-11 | |
| Mid BERKLEY W R CORP Insurer | $3,992,823 | 1.65% | 388,407 | Shares | 2026-08-14 | |
| Mid AQR Arbitrage LLC Registered adviser | $3,900,098 | 1.61% | 379,387 | Shares | 2026-08-14 | |
| Mid BlueCrest Capital Management Ltd | $3,598,000 | 1.48% | 350,000 | Shares | 2026-08-14 | |
| Mid BOOTHBAY FUND MANAGEMENT, LLC Registered adviser | $3,057,015 | 1.26% | 297,375 | Shares | 2026-08-14 | |
| Small K2 PRINCIPAL FUND, L.P. | $2,610,462 | 1.08% | 253,936 | Shares | 2026-08-07 | |
| Small DLD Asset Management, LP Registered adviser | $2,570,000 | 1.06% | 250,000 | Shares | 2026-08-13 | |
| Mid MIZUHO SECURITIES USA LLC | $2,570,000 | 1.06% | 250,000 | Shares | 2026-07-28 | |
| Large COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | $2,055,979 | 0.85% | 199,998 | Shares | 2026-07-17 | |
| Mid RIVERNORTH CAPITAL MANAGEMENT, LLC Registered adviser | $2,055,958 | 0.85% | 199,996 | Shares | 2026-08-14 | |
| Large Clear Street Group Inc. | $1,799,000 | 0.74% | 175,000 | Shares | 2026-08-12 | |
| Mid Shaolin Capital Management LLC Registered adviser | $1,423,502 | 0.59% | 138,473 | Shares | 2026-08-14 | |
| Mega BNP PARIBAS ARBITRAGE, SA Non-US | $1,239,768 | 0.51% | 120,600 | Shares | 2026-08-13 | |
| Mid HBK INVESTMENTS L P Registered adviser | $1,028,020 | 0.42% | 100,002 | Shares | 2026-09-16 | |
| Mid WHITEBOX ADVISORS LLC Registered adviser | $1,028,000 | 0.42% | 100,000 | Shares | 2026-08-14 | |
| Mid Galaxy Digital Inc. | $1,028,000 | 0.42% | 100,000 | Shares | 2026-08-14 | |
| Mid MOORE CAPITAL MANAGEMENT, LP Registered adviser | $1,028,000 | 0.42% | 100,000 | Shares | 2026-08-14 | |
| Small O'Connor Alternative Investments LLC Adviser | $1,028,000 | 0.42% | 100,000 | Shares | 2026-08-14 | |
| Large Jain Global LLC Registered adviser | $1,015,571 | 0.42% | 98,791 | Shares | 2026-08-14 | |
| Mid BOOTHBAY FUND MANAGEMENT, LLC Registered adviser HCMAW | $915,886 | 0.38% | 89,094 | Shares | 2026-08-14 | |
| Mid WOLVERINE ASSET MANAGEMENT LLC Registered adviser | $786,471 | 0.32% | 76,505 | Shares | 2026-08-10 | |
| Mid READYSTATE ASSET MANAGEMENT LP Registered adviser | $551,038 | 0.23% | 53,603 | Shares | 2026-08-14 | |
| Large HRT FINANCIAL LP HCMAU | $547,118 | 0.23% | 52,406 | Shares | 2026-08-14 | |
| Large OMERS ADMINISTRATION Corp Benefit plan HCMAU | $522,000 | 0.22% | 50,000 | Shares | 2026-08-13 | |
| Mid SONA ASSET MANAGEMENT (US) LLC Registered adviser HCMAU | $522,000 | 0.22% | 50,000 | Shares | 2026-08-14 | |
| Large Walleye Capital LLC Registered adviser HCMAU | $522,000 | 0.22% | 50,000 | Shares | 2026-08-03 | |
| Micro GRITSTONE ASSET MANAGEMENT LLC Registered adviser | $514,500 | 0.21% | 50,000 | Shares | 2026-10-26 | |
| Large Hudson Bay Capital Management LP Registered adviser | $514,000 | 0.21% | 50,000 | Shares | 2026-08-14 | |
| Mid ARISTEIA CAPITAL, L.L.C. Registered adviser | $463,083 | 0.19% | 45,047 | Shares | 2026-08-14 | |
| Small Harraden Circle Investments, LLC Registered adviser HCMAW | $345,112 | 0.14% | 530,942 | Shares | 2026-08-14 | |
| Mid METEORA CAPITAL, LLC Adviser HCMAW | $282,660 | 0.12% | 434,862 | Shares | 2026-08-14 | |
| Mid Westchester Capital Management, LLC Registered adviser HCMAU | $260,998 | 0.11% | 25,000 | Shares | 2026-08-14 | |
| Mid Ghisallo Capital Management LLC Registered adviser | $257,000 | 0.11% | 25,000 | Shares | 2026-08-14 | |
| Mid Davidson Kempner Capital Management LP Registered adviser | $257,000 | 0.11% | 25,000 | Shares | 2026-08-14 | |
| Mega JPMORGAN CHASE & CO Bank | $255,077 | 0.11% | 24,813 | Shares | 2026-08-12 | |
| Mid Linden Advisors LP Registered adviser HCMAW | $241,666 | 0.10% | 333,333 | Shares | 2026-08-14 | |
| Mid Saba Capital Management, L.P. Registered adviser HCMAW | $241,666 | 0.10% | 333,333 | Shares | 2026-08-14 | |
| Large LMR Partners LLP Exempt adviser HCMAW | $227,500 | 0.09% | 350,000 | Shares | 2026-08-14 | |
| Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Non-US HCMAW | $216,666 | 0.09% | 333,333 | Shares | 2026-08-13 | |
| Mid TENOR CAPITAL MANAGEMENT Co., L.P. Registered adviser HCMAW | $216,666 | 0.09% | 333,333 | Shares | 2026-08-14 | |
| Mid MMCAP International Inc. SPC HCMAW | $216,666 | 0.09% | 333,333 | Shares | 2026-08-14 | |
| Mid ABC ARBITRAGE SA | $205,800 | 0.08% | 20,000 | Shares | 2026-10-23 | |
| Small PenderFund Capital Management Ltd. Non-US | $201,488 | 0.08% | 19,600 | Shares | 2026-08-17 | |
| Mid Shaolin Capital Management LLC Registered adviser HCMAW | $196,831 | 0.08% | 302,817 | Shares | 2026-08-14 | |
| Large TORONTO DOMINION BANK Bank HCMAW | $194,935 | 0.08% | 299,900 | Shares | 2026-08-14 | |
| Small HGC Investment Management Inc. Non-US HCMAW | $173,333 | 0.07% | 266,666 | Shares | 2026-08-14 | |
| Mid Governors Lane LP Registered adviser HCMAW | $146,399 | 0.06% | 225,229 | Shares | 2026-08-14 | |
| Small Rangeley Capital, LLC Registered adviser | $144,392 | 0.06% | 14,046 | Shares | 2026-08-14 | |
| Small Radcliffe Capital Management, L.P. Registered adviser HCMAW | $138,957 | 0.06% | 191,665 | Shares | 2026-08-14 | |
| Mid Periscope Capital Inc. Exempt adviser HCMAW | $124,540 | 0.05% | 191,600 | Shares | 2026-08-11 | |
| Large Alberta Investment Management Corp Non-US HCMAW | $119,166 | 0.05% | 183,333 | Shares | 2026-08-06 | |
| Mega MILLENNIUM MANAGEMENT LLC Registered adviser HCMAW | $115,959 | 0.05% | 178,399 | Call | 2026-08-14 | |
| Large Clear Street Group Inc. HCMAU | $115,800 | 0.05% | 11,092 | Shares | 2026-08-12 | |
| Mid Virtu Financial LLC | $110,643 | 0.05% | 10,763 | Shares | 2026-08-13 | |
| Large PEAK6 LLC Broker-dealer HCMAW | $108,333 | 0.04% | 166,666 | Shares | 2026-08-13 | |
| Mid Polar Asset Management Partners Inc. Registered adviser HCMAW | $108,333 | 0.04% | 166,666 | Shares | 2026-08-14 | |
| Large PICTON MAHONEY ASSET MANAGEMENT Non-US HCMAW | $108,332 | 0.04% | 166,665 | Shares | 2026-08-13 | |
| Mid READYSTATE ASSET MANAGEMENT LP Registered adviser HCMAU | $104,400 | 0.04% | 10,000 | Shares | 2026-08-14 | |
| Mid AQR Arbitrage LLC Registered adviser HCMAW | $77,761 | 0.03% | 126,461 | Shares | 2026-08-14 | |
| Mega MORGAN STANLEY Holding company HCMAW | $65,000 | 0.03% | 100,000 | Shares | 2026-08-13 | |
| Large Clear Street Group Inc. HCMAW | $60,798 | 0.03% | 93,535 | Shares | 2026-08-12 | |
| Mid RIVERNORTH CAPITAL MANAGEMENT, LLC Registered adviser HCMAW | $40,659 | 0.02% | 66,665 | Shares | 2026-08-14 | |
| Mid Weiss Asset Management LP Registered adviser HCMAW | $39,254 | 0.02% | 60,391 | Shares | 2026-08-14 | |
| Mega BNP PARIBAS ARBITRAGE, SA Non-US HCMAW | $26,130 | 0.01% | 40,200 | Shares | 2026-08-13 | |
| Large Jain Global LLC Registered adviser HCMAW | $23,874 | 0.01% | 32,930 | Shares | 2026-08-14 | |
| Mid MOORE CAPITAL MANAGEMENT, LP Registered adviser HCMAW | $21,667 | 0.01% | 33,334 | Shares | 2026-08-14 | |
| Mid WHITEBOX ADVISORS LLC Registered adviser HCMAW | $21,666 | 0.01% | 33,333 | Shares | 2026-08-14 | |
| Small Lineage Point Capital LP Adviser HCMAW | $16,250 | 0.01% | 25,000 | Shares | 2026-08-14 | |
| Large Walleye Capital LLC Registered adviser HCMAW | $11,066 | 0.00% | 17,025 | Shares | 2026-08-03 | |
| Micro GRITSTONE ASSET MANAGEMENT LLC Registered adviser HCMAW | $9,999 | 0.00% | 16,666 | Shares | 2026-10-26 | |
| Mid Galaxy Digital Inc. HCMAW | $9,685 | 0.00% | 14,900 | Shares | 2026-08-14 | |
| Mid WOLVERINE ASSET MANAGEMENT LLC Registered adviser HCMAW | $5,954 | 0.00% | 9,160 | Shares | 2026-08-10 | |
| Mid Davidson Kempner Capital Management LP Registered adviser HCMAW | $5,416 | 0.00% | 8,333 | Shares | 2026-08-14 | |
| Small FNY Investment Advisers, LLC HCMAU | $2,094 | 0.00% | 200 | Shares | 2026-10-16 | |
| Mega UBS Group AG Bank HCMAU | $1,639 | 0.00% | 157 | Shares | 2026-08-13 | |
| Mid HIGHBRIDGE CAPITAL MANAGEMENT LLC Registered adviser HCMAW | $1,137 | 0.00% | 1,849 | Principal | 2026-08-14 | |
| Mega ROYAL BANK OF CANADA Bank HCMAW | $1,000 | 0.00% | 1,000 | Shares | 2026-08-14 |
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