HCM III AcquisitionHCMAU 13F holders, Q3 2025 (September 30) 38 holders
1 famous investor
$10.31 avg. 13F price*
At the end of Q3 2025 , 38 institutions reported holding HCM III Acquisition Corp. (HCMAU) in their 13F filings. The largest holders were MMCAP International Inc. SPC ($10.3M), Magnetar Financial LLC ($10.3M) and Healthcare of Ontario Pension Plan Trust Fund ($10.3M). One famous investor held it Israel Englander (0.0% of Millennium Management's portfolio).
Company HCM III Acquisition Corp.
CUSIP G4365E129
Latest filing quarter Q2 2026 History Number of 13F holders
Total Exit/New Position Q3 2025 Institutions Total Value New Positions 37 $83.2M Exits 0 $0
Ownership 38 holders Portfolio Manager % of Holder's Portfolio Change Shares Value ▼ MMCAP International Inc. SPC 1.23% New 1,000,000 $10.3M Magnetar Financial LLC 0.07% New 1,000,000 $10.3M Healthcare of Ontario Pension Plan Trust Fund 0.02% New 1,000,000 $10.3M Mint Tower Capital Management B.V. 1.90% New 750,000 $7.7M Alberta Investment Management Corp 0.05% New 550,000 $5.7M Periscope Capital Inc. 1.31% New 500,000 $5.2M Polar Asset Management Partners Inc. 0.15% New 500,000 $5.2M Millennium Management 0.00% New 429,000 $4.4M AQR Arbitrage LLC 0.14% New 379,400 $3.9M Toronto Dominion Bank 0.01% New 350,000 $3.6M Rivernorth Capital Management, LLC 0.12% New 200,000 $2.1M Waratah Capital Advisors Ltd. 0.10% New 143,164 $1.5M BNP Paribas Financial Markets 0.00% New 120,600 $1.2M Shaolin Capital Management LLC 0.24% New 120,417 $1.2M HGC Investment Management Inc. 0.25% New 100,000 $1.0M Wealthspring Capital LLC 0.25% New 100,000 $1.0M Moore Capital Management, LP 0.02% New 100,000 $1.0M Steadfast Capital Management LP 0.02% New 100,000 $1.0M Jain Global LLC 0.01% New 100,000 $1.0M Clear Street Group Inc. 0.00% — 60,897 $628K Gritstone Asset Management LLC 0.54% New 50,000 $516K Sona Asset Management (us) LLC 0.07% New 50,000 $516K Walleye Capital LLC 0.00% New 50,000 $516K Driehaus Capital Management LLC 0.00% New 50,000 $516K OMERS ADMINISTRATION Corp 0.00% New 50,000 $516K HRT Financial LP 0.00% New 48,617 $501K Galaxy Group Investments LLC 0.05% New 44,900 $463K Heights Capital Management, Inc. 0.13% New 36,855 $380K BCK Capital Management LP 0.36% New 32,459 $335K Westchester Capital Management, LLC 0.01% New 25,000 $258K Atw Spac Management LLC 0.34% New 25,000 $258K Aristeia Capital, L.L.C. 0.01% New 25,000 $258K Boothbay Fund Management, LLC 0.01% New 25,000 $258K Readystate Asset Management LP 0.01% New 10,000 $103K PenderFund Capital Management Ltd. 0.00% New 1,000 $10K FNY Investment Advisers, LLC 0.00% New 782 $8K UBS Group AG 0.00% New 364 $4K Picton Mahoney Asset Management 0.00% New 5 $0
"% of holder's portfolio" is HCMAU's weight in each manager's 13F, not the share of HCM III Acquisition Corp. the manager owns.