CO2 Energy Transition Co.-RTSNOEMRPreferred / convertible
13F holders, Q4 2025 (December 31)19holders −1
0new positions
0sold out
1famous investor
$0.21avg. 13F price*
At the end of Q4 2025, 19 institutions reported holding CO2 Energy Transition Co.-RTS (NOEMR) in their 13F filings, down 1 from Q3 2025. 0 opened new positions and 0 sold out. The largest holders were Harraden Circle Investments, LLC ($165K), MMCAP International Inc. SPC ($130K) and Aristeia Capital, L.L.C. ($128K). One famous investor held it David E. Shaw ( of D. E. Shaw & Co.'s portfolio).
- Company
- CO2 Energy Transition Co.-RTS
- CUSIP
- 12664M129
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 0 | $0 |
| Exits | 0 | $0 |
All 13F filers, Q3 2025 → Q4 2025: 125,895 shares sold, net −125,895 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 19 holders
| Harraden Circle Investments, LLC | — | No change | 748,780 | $165K |
| MMCAP International Inc. SPC | — | No change | 590,000 | $130K |
| Aristeia Capital, L.L.C. | — | No change | 578,096 | $128K |
| Highbridge Capital Management LLC | — | No change | 588,770 | $112K |
| AQR Arbitrage LLC | — | No change | 590,000 | $109K |
| Rivernorth Capital Management, LLC | — | No change | 428,040 | $95K |
| Whitebox Advisors LLC | — | No change | 390,000 | $86K |
| Clear Street Group Inc. | — | No change | 372,686 | $82K |
| Boothbay Fund Management, LLC | — | Reduce -8.5% | 343,070 | $76K |
| Polar Asset Management Partners Inc. | — | No change | 290,000 | $64K |
| Hudson Bay Capital Management LP | — | No change | 290,000 | $55K |
| Mangrove Partners Im, LLC | — | Reduce -15.9% | 241,607 | $53K |
| D. E. Shaw & Co. | — | No change | 280,000 | $53K |
| K2 Principal Fund, L.P. | — | Reduce -26.7% | 131,207 | $29K |
| Toronto Dominion Bank | — | No change | 129,866 | $29K |
| Mizuho Securities USA LLC | — | Reduce -0.5% | 99,800 | $12K |
| Centiva Capital, LP | — | No change | 40,000 | $8K |
| Heights Capital Management, Inc. | — | No change | 39,996 | $8K |
| UBS Group AG | — | Reduce -14.9% | 887 | $196 |
"% of holder's portfolio" is NOEMR's weight in each manager's 13F, not the share of CO2 Energy Transition Co.-RTS the manager owns.