Rice Acquisition Corp. II-CWNPWR.WSPreferred / convertible

13F holders, Q3 2025 (September 30)
24holders
2new positions
2sold out
1famous investor
$0.77avg. 13F price*

At the end of Q3 2025, 24 institutions reported holding Rice Acquisition Corp. II-CW (NPWR.WS) in their 13F filings, unchanged from Q2 2025. 2 opened new positions and 2 sold out. The largest holders were Share Andrew L. ($4.0M), LMR Partners LLP ($1.3M) and Zazove Associates LLC ($1.1M). 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 (Q3 2025)
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 Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions2$12K
Exits2$6K

All 13F filers, Q2 2025 → Q3 2025: 81,919 shares bought and 160,202 shares sold, net −78,283 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 24 holders

Share Andrew L. — No change 5,342,547 $4.0M
LMR Partners LLP — No change 1,691,716 $1.3M
Zazove Associates LLC — Add +4.3% 1,486,590 $1.1M
Kensico Capital Management Corp. — No change 482,400 $362K
Boothbay Fund Management, LLC — No change 77,370 $233K
Ionic Capital Management LLC — Reduce -15.5% 211,188 $158K
Saba Capital Management, L.P. — Reduce -20.8% 205,984 $154K
Cohen & Steers, Inc. — No change 193,606 $145K
Wolverine Asset Management LLC — Reduce -6.3% 132,057 $99K
Aristeia Capital, L.L.C. — No change 111,888 $85K
Arosa Capital Management LP — No change 106,249 $80K
Moore Capital Management, LP — No change 100,000 $75K
Toronto Dominion Bank — Reduce -20.8% 94,059 $71K
Sculptor Capital LP — Reduce -15.6% 85,472 $65K
Bluefin Capital Management, LLC — Add +11.3% 48,180 $36K
K2 Principal Fund, L.P. — No change 46,181 $35K
Thomas J. Herzfeld Advisors, Inc. — No change 32,771 $25K
Teilinger Capital Ltd. — No change 25,000 $19K
Hunting Hill Global Capital, LLC — No change 16,583 $12K
Caption Management, LLC — New 15,520 $12K
D. E. Shaw & Co. — No change 15,032 $11K
Dynamic Advisor Solutions LLC — No change 10,400 $8K
Northwestern Mutual Wealth Management Co. — No change 375 $281
Tower Research Capital LLC (TRC) — New 99 $73

"% 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.