Dynamix Corp III
DNMXU- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002081125
No open-market purchases or sales by Dynamix Corp III insiders were filed in the last 90 days; 15 institutions reported holding it in 13F filings for Q2 2026, worth $20.6M in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Dynamix Corp III as of Dec 31, 2025. 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
- 32
- +32 vs. Q3 2025
- Shares held
- 4.93M
- +4.93M vs. Q3 2025
- Total value
- $49.5M
- +$49.5M vs. Q3 2025
- New holders
- 32
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting DNMXU 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 | 15 | $20.6M |
| Q1 2026 | 16 | $21.8M |
| Q4 2025 | 32 | $49.5M |
| 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, Q4 2025
Shares, value and share of portfolio for each institution holding Dynamix Corp III; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Healthcare of Ontario Pension Plan Trust Fund | 600,000 | $6.03M | 0.01% | +600,000 | New |
| CNH Partners LLC | 578,605 | $5.81M | 0.12% | +578,605 | New |
| LMR Partners LLP | 400,000 | $4.02M | 0.04% | +400,000 | New |
| Alberta Investment Management Corp | 350,000 | $3.52M | 0.02% | +350,000 | New |
| Millennium Management LLC | 325,000 | $3.27M | 0.00% | +325,000 | New |
| BNP Paribas Arbitrage, SA | 321,395 | $3.23M | 0.00% | +321,395 | New |
| Wealthspring Capital LLC | 294,300 | $2.96M | 0.70% | +294,300 | New |
| Toronto Dominion Bank | 275,000 | $2.76M | 0.00% | +275,000 | New |
| Steadfast Capital Management LP | 250,000 | $2.51M | 0.04% | +250,000 | New |
| HGC Investment Management Inc. | 250,000 | $2.51M | 0.53% | +250,000 | New |
| Heights Capital Management, Inc | 200,000 | $2.01M | 0.76% | +200,000 | New |
| Allianz Asset Management GmbH | 200,000 | $2.01M | 0.00% | +200,000 | New |
| Readystate Asset Management LP | 200,000 | $2.01M | 0.09% | +200,000 | New |
| Schonfeld Strategic Advisors LLC | 150,000 | $1.51M | 0.01% | +150,000 | New |
| Rivernorth Capital Management, LLC | 100,000 | $1.00M | 0.05% | +100,000 | New |
| Clear Street Group Inc. | 61,859 | $621.7K | 0.00% | +61,859 | New |
| HRT Financial LP | 51,739 | $519.0K | 0.00% | +51,739 | New |
| JPMorgan Chase & Co | 50,000 | $502.5K | 0.00% | +50,000 | New |
| Westchester Capital Management, LLC | 50,000 | $502.5K | 0.02% | +50,000 | New |
| Gritstone Asset Management LLC | 50,000 | $502.5K | 0.48% | +50,000 | New |
| Tuttle Tactical Management | 25,000 | $251.3K | 0.56% | +25,000 | New |
| Parallax Volatility Advisers, L.P. | 22,500 | $226.1K | 0.01% | +22,500 | New |
| Abc Arbitrage SA | 20,000 | $201.0K | 0.02% | +20,000 | New |
| Susquehanna International Group, LLP | 15,793 | $158.7K | 0.00% | +15,793 | New |
| Omers Administration Corp | 15,767 | $158.5K | 0.00% | +15,767 | New |
| Sandia Investment Management LP | 14,835 | $149.1K | 0.37% | +14,835 | New |
| Quarry LP | 14,835 | $149.1K | 0.02% | +14,835 | New |
| T3 Companies, LLC | 13,779 | $138.5K | 0.18% | +13,779 | New |
| Citadel Advisors LLC | 11,999 | $120.6K | 0.00% | +11,999 | New |
| Lineage Point Capital LP | 10,000 | $100.5K | 0.04% | +10,000 | New |
| SRS Capital Advisors, Inc. | 2,400 | $24.1K | 0.00% | +2,400 | New |
| Glazer Capital, LLC | 806 | $8.00K | 0.00% | +806 | New |