Who owns HCM III ACQUISITION CORP.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of HCMA from SEC Form 13F filings across 55 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 55 institutions disclosed 22.4M shares of HCM III ACQUISITION CORP. worth $230.3M — about 66.4% of shares outstanding; the largest disclosed holder is Meteora Capital, LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
55
13F holders
$230.3M
value, 2026 filers
66.4%
of shares outstanding (22.4M sh)
3
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of HCMA's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Meteora Capital, LLC | 1.7M | $17.2M | 1.4% | 5% | -19.4% |
| 2 | Linden Advisors LP | 1.2M | $12.3M | 0.1% | 3.6% | 0.0% |
| 3 | LMR Partners LLP | 1.1M | $10.8M | 0.0% | 3.1% | 0.0% |
| 4 | Verition Fund Management LLC | 1.0M | $10.5M | 0.1% | 3% | +8.5% |
| 5 | Governors Lane LP | 1.0M | $10.4M | 0.9% | 3% | 0.0% |
| 6 | TENOR CAPITAL MANAGEMENT Co., L.P. | 1.0M | $10.3M | 0.1% | 3% | 0.0% |
| 7 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | 1.0M | $10.3M | 0.3% | 3% | 0.0% |
| 8 | MMCAP International Inc. SPC | 1.0M | $10.3M | 0.9% | 3% | 0.0% |
| 9 | Magnetar Financial LLC | 999,990 | $10.3M | 0.1% | 3% | 0.0% |
| 10 | TWO SIGMA INVESTMENTS, LP | 797,500 | $8.2M | 0.0% | 2.4% | 0.0% |
| 11 | Mint Tower Capital Management B.V. | 750,000 | $7.7M | 0.9% | 2.2% | 0.0% |
| 12 | Saba Capital Management, L.P. | 749,650 | $7.7M | 0.2% | 2.2% | -21.1% |
| 13 | Radcliffe Capital Management, L.P. | 703,404 | $7.2M | 0.5% | 2.1% | 0.0% |
| 14 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 699,999 | $7.2M | 0.0% | 2.1% | -30.0% |
| 15 | HGC Investment Management Inc. | 600,000 | $6.2M | 1.2% | 1.8% | 0.0% |
| 16 | MILLENNIUM MANAGEMENT LLC | 561,350 | $5.8M | 0.0% | 1.7% | +27.4% |
| 17 | Alberta Investment Management Corp | 550,000 | $5.7M | 0.0% | 1.6% | 0.0% |
| 18 | GLAZER CAPITAL, LLC | 522,510 | $5.4M | 0.1% | 1.5% | +27.3% |
| 19 | Context Capital Management, LLC | 500,000 | $5.1M | 0.1% | 1.5% | 0.0% |
| 20 | Polar Asset Management Partners Inc.NEW | 500,000 | $5.1M | 0.1% | 1.5% | new |
| 21 | PEAK6 LLC | 499,999 | $5.1M | 0.0% | 1.5% | 0.0% |
| 22 | PICTON MAHONEY ASSET MANAGEMENT | 499,995 | $5.1M | 0.0% | 1.5% | 0.0% |
| 23 | Periscope Capital Inc. | 450,000 | $4.6M | 0.4% | 1.3% | 0.0% |
| 24 | BERKLEY W R CORP | 388,407 | $4.0M | 0.2% | 1.2% | 0.0% |
| 25 | AQR Arbitrage LLC | 379,387 | $3.9M | 0.1% | 1.1% | 0.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.