Rice Acquisition Corp. II-CWNPWR.WSPreferred / convertible
13F holders, Q4 2025 (December 31)24holders
2new positions
2sold out
1famous investor
$0.52avg. 13F price*
At the end of Q4 2025, 24 institutions reported holding Rice Acquisition Corp. II-CW (NPWR.WS) in their 13F filings, unchanged from Q3 2025. 2 opened new positions and 2 sold out. The largest holders were Share Andrew L. ($2.7M), LMR Partners LLP ($846K) and Zazove Associates LLC ($808K). 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 (Q4 2025)
- CUSIP
- 64107A113
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $664 |
| Exits | 2 | $65K |
All 13F filers, Q3 2025 → Q4 2025: 291,096 shares bought and 192,562 shares sold, net +98,534 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 24 holders
| Share Andrew L. | — | No change | 5,342,547 | $2.7M |
| LMR Partners LLP | — | No change | 1,691,716 | $846K |
| Zazove Associates LLC | — | Add +3.5% | 1,538,612 | $808K |
| Kensico Capital Management Corp. | — | Reduce -3.6% | 465,200 | $233K |
| Boothbay Fund Management, LLC | — | No change | 77,370 | $176K |
| Toronto Dominion Bank | — | Add +147.7% | 232,951 | $116K |
| Cohen & Steers, Inc. | — | No change | 193,606 | $97K |
| Saba Capital Management, L.P. | — | Reduce -12.1% | 180,984 | $95K |
| Ionic Capital Management LLC | — | Reduce -22.4% | 163,972 | $82K |
| Wolverine Asset Management LLC | — | Reduce -5.3% | 125,055 | $63K |
| Aristeia Capital, L.L.C. | — | No change | 111,888 | $59K |
| Caption Management, LLC | — | Add +637.0% | 114,375 | $57K |
| Arosa Capital Management LP | — | No change | 106,249 | $53K |
| Moore Capital Management, LP | — | No change | 100,000 | $50K |
| K2 Principal Fund, L.P. | — | No change | 46,181 | $23K |
| Bluefin Capital Management, LLC | — | Reduce -21.9% | 37,607 | $19K |
| Thomas J. Herzfeld Advisors, Inc. | — | No change | 32,771 | $16K |
| Teilinger Capital Ltd. | — | No change | 25,000 | $13K |
| Hunting Hill Global Capital, LLC | — | No change | 16,583 | $8K |
| D. E. Shaw & Co. | — | No change | 15,032 | $8K |
| Dynamic Advisor Solutions LLC | — | No change | 10,400 | $5K |
| UBS Group AG | — | New | 1,127 | $564 |
| Northwestern Mutual Wealth Management Co. | — | No change | 375 | $188 |
| Clear Street Group Inc. | — | New | 200 | $100 |
"% 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.