Dynamix Corp. IIIDNMXU 13F holders, Q4 2025 (December 31) 32 holders
2 famous investors
$10.05 avg. 13F price*
At the end of Q4 2025 , 32 institutions reported holding Dynamix Corp. III (DNMXU) in their 13F filings. The largest holders were Healthcare of Ontario Pension Plan Trust Fund ($6.0M), AQR Arbitrage LLC ($5.8M) and LMR Partners LLP ($4.0M). 2 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
Company Dynamix Corp. III
CUSIP G2949T125
Latest filing quarter Q2 2026 History Number of 13F holders
Total Exit/New Position Q4 2025 Institutions Total Value New Positions 30 $49.3M Exits 0 $0
Ownership 32 holders Portfolio Manager % of Holder's Portfolio Change Shares Value ▼ Healthcare of Ontario Pension Plan Trust Fund 0.01% New 600,000 $6.0M AQR Arbitrage LLC 0.16% New 578,605 $5.8M LMR Partners LLP 0.05% New 400,000 $4.0M Alberta Investment Management Corp 0.02% New 350,000 $3.5M Millennium Management 0.00% New 325,000 $3.3M BNP Paribas Financial Markets 0.00% New 321,395 $3.2M Wealthspring Capital LLC 0.71% New 294,300 $3.0M Toronto Dominion Bank 0.00% New 275,000 $2.8M HGC Investment Management Inc. 0.54% New 250,000 $2.5M Steadfast Capital Management LP 0.04% New 250,000 $2.5M Heights Capital Management, Inc. 0.77% New 200,000 $2.0M Readystate Asset Management LP 0.15% New 200,000 $2.0M Allianz Asset Management GmbH 0.00% New 200,000 $2.0M Schonfeld Strategic Advisors LLC 0.01% New 150,000 $1.5M Rivernorth Capital Management, LLC 0.05% New 100,000 $1.0M Clear Street Group Inc. 0.00% New 61,859 $622K HRT Financial LP 0.00% New 51,739 $519K Gritstone Asset Management LLC 0.49% New 50,000 $503K Westchester Capital Management, LLC 0.02% New 50,000 $503K JPMorgan Chase & Co. 0.00% New 50,000 $503K Tuttle Capital Management, LLC 0.56% New 25,000 $251K Parallax Volatility Advisers, L.P. 0.01% New 22,500 $226K Abc Arbitrage SA 0.02% New 20,000 $201K Susquehanna International Group, LLP 0.00% New 15,793 $159K OMERS ADMINISTRATION Corp 0.00% New 15,767 $158K Sandia Investment Management LP 0.37% New 14,835 $149K Quarry LP 0.03% New 14,835 $149K T3 Companies, LLC 0.18% — 13,779 $138K Citadel Advisors 0.00% New 11,999 $121K Lineage Point Capital LP 0.04% — 10,000 $101K Arax Advisory Partners 0.00% New 2,400 $24K Glazer Capital, LLC 0.00% New 806 $8K
"% of holder's portfolio" is DNMXU's weight in each manager's 13F, not the share of Dynamix Corp. III the manager owns.