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, Q1 2026
Institutional positions in Dynamix Corp III 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
- 16
- −15 vs. Q4 2025
- Shares held
- 2.17M
- −2.74M (−55.9%) vs. Q4 2025
- Total value
- $21.8M
- −$27.6M (−55.8%) vs. Q4 2025
- New holders
- 1
- 2 more added
- Sold out
- 16
- 2 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Dynamix Corp III; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| LMR Partners LLP | 400,000 | $4.03M | 0.04% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 350,000 | $3.51M | 0.02% | 00.0% | Unchanged |
| Omers Administration Corp | 335,207 | $3.38M | 0.02% | +319,440+2,026.0% | Added |
| HGC Investment Management Inc. | 250,000 | $2.52M | 0.56% | 00.0% | Unchanged |
| Toronto Dominion Bank | 213,091 | $2.15M | 0.00% | −61,909−22.5% | Reduced |
| Allianz Asset Management GmbH | 200,000 | $2.01M | 0.00% | 00.0% | Unchanged |
| Readystate Asset Management LP | 200,000 | $2.01M | 0.12% | 00.0% | Unchanged |
| HRT Financial LP | 50,029 | $502.0K | 0.00% | −1,710−3.3% | Reduced |
| JPMorgan Chase & Co | 50,000 | $502.0K | 0.00% | 00.0% | Unchanged |
| Westchester Capital Management, LLC | 50,000 | $502.0K | 0.02% | 00.0% | Unchanged |
| Tuttle Tactical Management | 25,000 | $251.0K | 0.41% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 17,384 | $174.5K | 0.00% | +1,591+10.1% | Added |
| Quarry LP | 14,835 | $149.7K | 0.03% | 00.0% | Unchanged |
| Lineage Point Capital LP | 10,000 | $100.9K | 0.02% | 00.0% | Unchanged |
| Glazer Capital, LLC | 806 | $8.00K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 130 | $1.30K | 0.00% | +130 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −600,000−100.0% | Sold out |
| CNH Partners LLC | 0 | $0 | 0.00% | −578,605−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −325,000−100.0% | Sold out |
| BNP Paribas Arbitrage, SA | 0 | $0 | 0.00% | −321,395−100.0% | Sold out |
| Wealthspring Capital LLC | 0 | $0 | 0.00% | −294,300−100.0% | Sold out |
| Steadfast Capital Management LP | 0 | $0 | 0.00% | −250,000−100.0% | Sold out |
| Heights Capital Management, Inc | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Rivernorth Capital Management, LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Clear Street Group Inc. | 0 | $0 | 0.00% | −61,859−100.0% | Sold out |
| Gritstone Asset Management LLC | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Parallax Volatility Advisers, L.P. | 0 | $0 | 0.00% | −22,500−100.0% | Sold out |
| Abc Arbitrage SA | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| T3 Companies, LLC | 0 | $0 | 0.00% | −13,779−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −11,999−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −2,400−100.0% | Sold out |
| Sandia Investment Management LP | – | – | – | – | Not filed |