G.F.W. Energy XII, L.P.

In its 13F for Q4 2024 (holdings as of December 31, 2024, filed February 14, 2025), G.F.W. Energy XII, L.P. reported 2 stock positions worth $4.6 million. Its top holding was Net Power (NPWR) at 98.5% of the portfolio, followed by Opal Fuels Class A (OPAL, 1.5%). Compared with Q3 2024, it reduced 1. The biggest sale was Net Power (NPWR, shares −57%).

Most Recent 13F
Q3 2025
Location
DALLAS, TX
CIK
0001860989
Portfolio Value
$4.6M (Q4 2024)
SEC Filing
0001085146-25-001655 ↗ filed Feb 14, 2025

Holdings Value

0$20.0M$40.0M$60.0M Q1 2024: $11.5M Q1 2024 Q2 2024: $51.9M Q2 2024 Q3 2024: $7.1M Q3 2024 Q4 2024: $4.6M $4.6M Q4 2024 Q1 2025: $349K Q1 2025 Q2 2025: $13.0M Q2 2025 Q3 2025: $401K Q3 2025

Holdings 2 stocks · $4.6M
NPWR Net Power Inc. 98.53% 429,842 $4.6M Reduce -57.0%
OPAL Opal Fuels Inc. Class A 1.47% 20,000 $68K No change

Portfolio Sells Q3 2024 → Q4 2024
NPWR Net Power Inc. Reduce -57.0% 98.53% −0.44

Portfolio Buys Q3 2024 → Q4 2024
None this quarter.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q3 2025 2$401KNPWR, OPAL
Q2 2025 6$13.0MPR, MTDR, CHRD, DVN, NPWR
Q1 2025 2$349KNPWR, OPAL
Q4 2024 2$4.6MNPWR, OPAL
Q3 2024 2$7.1MNPWR, OPAL
Q2 2024 4$51.9MPR, NPWR, OPAL, ALLGF
Q1 2024 3$11.5MNPWR, OPAL, ALLGF