Who owns HCM IV Acquisition Corp.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of HACQW from SEC Form 13F filings across 41 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, 41 institutions disclosed 5.1M shares of HCM IV Acquisition Corp. worth $2.8M — about 14.8% of shares outstanding; the largest disclosed holder is Polar Asset Management Partners Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
41
13F holders
$2.8M
value, 2026 filers
14.8%
of shares outstanding (5.1M sh)
41
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 HACQW's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Polar Asset Management Partners Inc.NEW | 350,000 | $189,000 | 0.0% | 1% | new |
| 2 | MMCAP International Inc. SPCNEW | 350,000 | $189,000 | 0.0% | 1% | new |
| 3 | AQR Arbitrage LLCNEW | 325,528 | $169,275 | 0.0% | 0.9% | new |
| 4 | Linden Advisors LPNEW | 312,500 | $178,125 | 0.0% | 0.9% | new |
| 5 | Magnetar Financial LLCNEW | 250,000 | $142,500 | 0.0% | 0.7% | new |
| 6 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUNDNEW | 250,000 | $135,000 | 0.0% | 0.7% | new |
| 7 | Alberta Investment Management CorpNEW | 250,000 | $135,000 | 0.0% | 0.7% | new |
| 8 | HIGHBRIDGE CAPITAL MANAGEMENT LLCNEW | 249,999 | $129,999 | 0.0% | 0.7% | new |
| 9 | Hudson Bay Capital Management LPNEW | 204,000 | $110,160 | 0.0% | 0.6% | new |
| 10 | TORONTO DOMINION BANKNEW | 200,146 | $108,079 | 0.0% | 0.6% | new |
| 11 | GLAZER CAPITAL, LLCNEW | 175,000 | $95,000 | 0.0% | 0.5% | new |
| 12 | Saba Capital Management, L.P.NEW | 174,998 | $99,749 | 0.0% | 0.5% | new |
| 13 | BNP PARIBAS FINANCIAL MARKETSNEW | 154,764 | $83,573 | 0.0% | 0.4% | new |
| 14 | Kryger Capital LLCNEW | 150,467 | $81,252 | 0.0% | 0.4% | new |
| 15 | TENOR CAPITAL MANAGEMENT Co., L.P.NEW | 150,000 | $81,000 | 0.0% | 0.4% | new |
| 16 | Mint Tower Capital Management B.V.NEW | 125,000 | $68,000 | 0.0% | 0.4% | new |
| 17 | PICTON MAHONEY ASSET MANAGEMENTNEW | 124,999 | $67,499 | 0.0% | 0.4% | new |
| 18 | WHITEBOX ADVISORS LLCNEW | 112,500 | $60,750 | 0.0% | 0.3% | new |
| 19 | WOLVERINE ASSET MANAGEMENT LLCNEW | 100,000 | $54,000 | 0.0% | 0.3% | new |
| 20 | Verition Fund Management LLCNEW | 89,990 | $48,595 | 0.0% | 0.3% | new |
| 21 | Radcliffe Capital Management, L.P.NEW | 89,283 | $50,891 | 0.0% | 0.3% | new |
| 22 | SONA ASSET MANAGEMENT (US) LLCNEW | 75,000 | $40,500 | 0.0% | 0.2% | new |
| 23 | COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYSNEW | 75,000 | $40,500 | 0.0% | 0.2% | new |
| 24 | Periscope Capital Inc.NEW | 71,100 | $38,394 | 0.0% | 0.2% | new |
| 25 | Clear Street Group Inc.NEW | 63,228 | $34,143 | 0.0% | 0.2% | new |
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. Research, not investment advice.