CO2 Energy Transition Co.-RTSNOEMRPreferred / convertible
13F holders, Q3 2025 (September 30)20holders
1new positions
1sold out
1famous investor
$0.23avg. 13F price*
At the end of Q3 2025, 20 institutions reported holding CO2 Energy Transition Co.-RTS (NOEMR) in their 13F filings, unchanged from Q2 2025. 1 opened new positions and 1 sold out. The largest holders were Harraden Circle Investments, LLC ($180K), MMCAP International Inc. SPC ($142K) and Aristeia Capital, L.L.C. ($139K). 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 Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $103K |
| Exits | 1 | $46K |
All 13F filers, Q2 2025 → Q3 2025: 845,062 shares bought and 303,921 shares sold, net +541,141 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 20 holders
| Harraden Circle Investments, LLC | — | Add +125.7% | 748,780 | $180K |
| MMCAP International Inc. SPC | — | No change | 590,000 | $142K |
| Aristeia Capital, L.L.C. | — | No change | 578,096 | $139K |
| AQR Arbitrage LLC | — | No change | 590,000 | $116K |
| Highbridge Capital Management LLC | — | Reduce -0.2% | 588,770 | $115K |
| Rivernorth Capital Management, LLC | — | New | 428,040 | $103K |
| Whitebox Advisors LLC | — | No change | 390,000 | $94K |
| Boothbay Fund Management, LLC | — | No change | 375,000 | $90K |
| Atw Spac Management LLC | — | No change | 375,000 | $90K |
| Clear Street Group Inc. | — | — | 372,686 | $89K |
| Polar Asset Management Partners Inc. | — | No change | 290,000 | $70K |
| Hudson Bay Capital Management LP | — | No change | 290,000 | $70K |
| Mangrove Partners Im, LLC | — | Reduce -0.6% | 287,170 | $69K |
| D. E. Shaw & Co. | — | No change | 280,000 | $55K |
| K2 Principal Fund, L.P. | — | Reduce -5.8% | 178,954 | $43K |
| Toronto Dominion Bank | — | Reduce -7.2% | 129,866 | $31K |
| Mizuho Securities USA LLC | — | No change | 100,300 | $12K |
| Centiva Capital, LP | — | No change | 40,000 | $10K |
| Heights Capital Management, Inc. | — | No change | 39,996 | $10K |
| UBS Group AG | — | Add +4.2% | 1,042 | $250 |
"% 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.