CO2 Energy Transition Co.-RTSNOEMRPreferred / convertible

13F holders, Q1 2026 (March 31)
19holders
0new positions
0sold out
1famous investor
$0.17avg. 13F price*

At the end of Q1 2026, 19 institutions reported holding CO2 Energy Transition Co.-RTS (NOEMR) in their 13F filings, unchanged from Q4 2025. 0 opened new positions and 0 sold out. The largest holders were Harraden Circle Investments, LLC ($127K), MMCAP International Inc. SPC ($100K) and Aristeia Capital, L.L.C. ($98K). 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

05101520 Q1 2025: 17Q1 2025Q2 2025: 20Q2 2025Q3 2025: 20Q3 2025Q4 2025: 19Q4 2025Q1 2026: 19Q1 2026Q2 2026: 17Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions0$0
Exits0$0

All 13F filers, Q4 2025 → Q1 2026: 181,874 shares sold, net −181,874 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 19 holders

Harraden Circle Investments, LLC — No change 748,780 $127K
MMCAP International Inc. SPC — No change 590,000 $100K
Aristeia Capital, L.L.C. — No change 578,096 $98K
Highbridge Capital Management LLC — No change 588,770 $88K
AQR Arbitrage LLC — Reduce -1.6% 580,471 $87K
Rivernorth Capital Management, LLC — No change 428,040 $73K
Whitebox Advisors LLC — No change 390,000 $66K
Clear Street Group Inc. — Reduce -1.2% 368,186 $63K
Boothbay Fund Management, LLC — Reduce -8.2% 314,835 $54K
Polar Asset Management Partners Inc. — No change 290,000 $49K
Hudson Bay Capital Management LP — No change 290,000 $49K
D. E. Shaw & Co. — No change 280,000 $48K
Mangrove Partners Im, LLC — No change 241,607 $41K
Toronto Dominion Bank — No change 129,866 $22K
K2 Principal Fund, L.P. — Reduce -46.5% 70,220 $12K
Centiva Capital, LP — No change 40,000 $7K
Heights Capital Management, Inc. — No change 39,996 $7K
Mizuho Securities USA LLC — Reduce -78.8% 21,177 $3K
UBS Group AG — No change 887 $151

"% 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.