Rice Acquisition Corp. II-CWNPWR.WSPreferred / convertible

13F holders, Q1 2026 (March 31)
24holders
1new positions
1sold out
1famous investor
$0.28avg. 13F price*

At the end of Q1 2026, 24 institutions reported holding Rice Acquisition Corp. II-CW (NPWR.WS) in their 13F filings, unchanged from Q4 2025. 1 opened new positions and 1 sold out. The largest holders were Share Andrew L. ($1.4M), LMR Partners LLP ($457K) and Zazove Associates LLC ($429K). One famous investor held it David E. Shaw ( of D. E. Shaw & Co.'s portfolio).

Company
Rice Acquisition Corp. II-CW
Filed as
NET POWER INC (Q1 2026)
CUSIP
64107A113
Latest filing quarter
Q2 2026

History

Number of 13F holders

0102030 Q1 2024: 26Q1 2024Q2 2024: 26Q2 2024Q3 2024: 25Q3 2024Q4 2024: 24Q4 2024Q1 2025: 25Q1 2025Q2 2025: 24Q2 2025Q3 2025: 24Q3 2025Q4 2025: 24Q4 2025Q1 2026: 24Q1 2026Q2 2026: 22Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions1$3K
Exits1$19K

All 13F filers, Q4 2025 → Q1 2026: 70,456 shares bought and 47,745 shares sold, net +22,711 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 24 holders

Share Andrew L. — No change 5,342,547 $1.4M
LMR Partners LLP — No change 1,691,716 $457K
Zazove Associates LLC — No change 1,538,612 $429K
Kensico Capital Management Corp. — Reduce -2.1% 455,200 $123K
Boothbay Fund Management, LLC — No change 77,370 $121K
Toronto Dominion Bank — Add +19.4% 278,199 $75K
Cohen & Steers, Inc. — No change 193,606 $52K
Saba Capital Management, L.P. — No change 180,984 $49K
Ionic Capital Management LLC — Add +3.2% 169,203 $46K
Wolverine Asset Management LLC — Reduce -0.1% 124,917 $34K
Aristeia Capital, L.L.C. — No change 111,888 $31K
Caption Management, LLC — No change 114,375 $31K
Arosa Capital Management LP — No change 106,249 $29K
Moore Capital Management, LP — No change 100,000 $27K
K2 Principal Fund, L.P. — No change 46,181 $12K
Thomas J. Herzfeld Advisors, Inc. — No change 32,771 $9K
Teilinger Capital Ltd. — No change 25,000 $7K
Hunting Hill Global Capital, LLC — No change 16,583 $4K
D. E. Shaw & Co. — No change 15,032 $4K
Susquehanna International Group, LLP — New 11,795 $3K
Dynamic Advisor Solutions LLC — No change 10,400 $3K
UBS Group AG — Add +726.0% 9,309 $3K
Northwestern Mutual Wealth Management Co. — No change 375 $101
Clear Street Group Inc. — No change 200 $54

"% of holder's portfolio" is NPWR.WS's weight in each manager's 13F, not the share of Rice Acquisition Corp. II-CW the manager owns.