HCM IV Acquisition Corp.
HACQU- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002089982
No open-market purchases or sales by HCM IV Acquisition Corp. insiders were filed in the last 90 days; 17 institutions reported holding it in 13F filings for Q2 2026, worth $54.6M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in HCM IV Acquisition Corp. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 66
- +66 vs. Q4 2025
- Shares held
- 27.7M
- +27.7M vs. Q4 2025
- Total value
- $278.3M
- +$278.3M vs. Q4 2025
- New holders
- 66
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting HACQU on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 17 | $54.6M |
| Q1 2026 | 66 | $278.3M |
| Q4 2025 | 0 | $0 |
| Q3 2025 | 0 | $0 |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding HCM IV Acquisition Corp.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| MMCAP International Inc. SPC | 1,400,000 | $14.0M | 1.21% | +1,400,000 | New |
| Polar Asset Management Partners Inc. | 1,400,000 | $14.0M | 0.33% | +1,400,000 | New |
| LMR Partners LLP | 1,400,000 | $14.0M | 0.13% | +1,400,000 | New |
| CNH Partners LLC | 1,280,942 | $12.8M | 0.21% | +1,280,942 | New |
| Linden Advisors LP | 1,250,000 | $12.5M | 0.07% | +1,250,000 | New |
| Millennium Management LLC | 1,178,000 | $11.8M | 0.01% | +1,178,000 | New |
| Highbridge Capital Management LLC | 1,000,000 | $10.0M | 0.64% | +1,000,000 | New |
| Alberta Investment Management Corp | 1,000,000 | $10.0M | 0.06% | +1,000,000 | New |
| Magnetar Financial LLC | 1,000,000 | $10.0M | 0.10% | +1,000,000 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 1,000,000 | $10.0M | 0.02% | +1,000,000 | New |
| Glazer Capital, LLC | 926,500 | $9.29M | 0.20% | +926,500 | New |
| Hudson Bay Capital Management LP | 816,000 | $8.20M | 0.05% | +816,000 | New |
| Aristeia Capital LLC | 800,000 | $8.02M | 0.18% | +800,000 | New |
| Context Capital Management, LLC | 750,000 | $7.52M | 0.17% | +750,000 | New |
| Saba Capital Management, L.P. | 700,000 | $7.02M | 0.22% | +700,000 | New |
| BNP Paribas Arbitrage, SA | 619,058 | $6.21M | 0.00% | +619,058 | New |
| Kryger Capital LLC | 601,517 | $6.03M | 0.43% | +601,517 | New |
| Tenor Capital Management Co., L.P. | 600,000 | $6.02M | 0.09% | +600,000 | New |
| PEAK6 LLC | 500,000 | $5.01M | 0.14% | +500,000 | New |
| Picton Mahoney Asset Management | 500,000 | $5.01M | 0.05% | +500,000 | New |
| Vivaldi Asset Management, LLC | 500,000 | $5.01M | 0.26% | +500,000 | New |
| Mint Tower Capital Management B.V. | 500,000 | $5.01M | 0.50% | +500,000 | New |
| Two Sigma Investments, LP | 453,124 | $4.54M | 0.00% | +453,124 | New |
| Whitebox Advisors LLC | 450,000 | $4.51M | 0.06% | +450,000 | New |
| Omers Administration Corp | 400,000 | $4.01M | 0.03% | +400,000 | New |
| Wolverine Asset Management LLC | 400,000 | $4.01M | 0.06% | +400,000 | New |
| BlueCrest Capital Management Ltd | 350,000 | $3.52M | 0.33% | +350,000 | New |
| Verition Fund Management LLC | 350,000 | $3.51M | 0.03% | +350,000 | New |
| Toronto Dominion Bank | 346,990 | $3.48M | 0.01% | +346,990 | New |
| Mozayyx Management LLC | 330,400 | $3.31M | 3.38% | +330,400 | New |
| Radcliffe Capital Management, L.P. | 327,164 | $3.28M | 0.25% | +327,164 | New |
| Sona Asset Management (US) LLC | 300,000 | $3.01M | 0.12% | +300,000 | New |
| Periscope Capital Inc. | 287,200 | $2.88M | 0.50% | +287,200 | New |
| Sculptor Capital LP | 250,201 | $2.51M | 0.03% | +250,201 | New |
| TIG Advisors, LLC | 250,100 | $2.51M | 0.12% | +250,100 | New |
| HBK Investments L P | 250,000 | $2.51M | 0.03% | +250,000 | New |
| Shaolin Capital Management LLC | 205,251 | $2.06M | 0.09% | +205,251 | New |
| Clear Street Group Inc. | 200,402 | $2.01M | 0.01% | +200,402 | New |
| Rivernorth Capital Management, LLC | 200,000 | $2.01M | 0.10% | +200,000 | New |
| Moore Capital Management, LP | 200,000 | $2.01M | 0.07% | +200,000 | New |
| K2 Principal Fund, L.P. | 200,000 | $2.01M | 0.21% | +200,000 | New |
| DLD Asset Management, LP | 200,000 | $2.01M | 0.20% | +200,000 | New |
| Ghisallo Capital Management LLC | 200,000 | $2.00M | 0.06% | +200,000 | New |
| Governors Lane LP | 175,000 | $1.76M | 0.22% | +175,000 | New |
| Readystate Asset Management LP | 175,000 | $1.76M | 0.10% | +175,000 | New |
| Syquant Capital SAS | 150,000 | $1.51M | 0.24% | +150,000 | New |
| Adage Capital Partners GP, L.L.C. | 150,000 | $1.50M | 0.00% | +150,000 | New |
| Bulldog Investors, LLP | 150,000 | $1.50M | 0.34% | +150,000 | New |
| Galaxy Digital Inc. | 150,000 | $1.50M | 0.24% | +150,000 | New |
| Calamos Advisors LLC | 148,010 | $1.48M | 0.01% | +148,010 | New |
| Lineage Point Capital LP | 127,688 | $1.28M | 0.31% | +127,688 | New |
| Schonfeld Strategic Advisors LLC | 125,000 | $1.25M | 0.01% | +125,000 | New |
| Berkley W R Corp | 99,432 | $997.3K | 0.05% | +99,432 | New |
| JPMorgan Chase & Co | 87,663 | $880.6K | 0.00% | +87,663 | New |
| Heights Capital Management, Inc | 50,000 | $501.5K | 0.14% | +50,000 | New |
| Deltec Asset Management LLC | 50,000 | $501.5K | 0.09% | +50,000 | New |
| Virtu Financial LLC | 42,356 | $425.0K | 0.02% | +42,356 | New |
| Gritstone Asset Management LLC | 40,000 | $401.2K | 0.43% | +40,000 | New |
| Abc Arbitrage SA | 40,000 | $401.2K | 0.05% | +40,000 | New |
| Kepos Capital LP | 25,000 | $251.0K | 0.41% | +25,000 | New |
| State of Wisconsin Investment Board | 25,000 | $250.8K | 0.00% | +25,000 | New |
| Crossingbridge Advisors, LLC | 25,000 | $250.8K | 0.05% | +25,000 | New |
| HRT Financial LP | 24,276 | $243.0K | 0.00% | +24,276 | New |
| Boothbay Fund Management, LLC | 12,500 | $125.4K | 0.00% | +12,500 | New |
| Royal Bank of Canada | 632 | $6.00K | 0.00% | +632 | New |
| UBS Group AG | 500 | $5.01K | 0.00% | +500 | New |