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

In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 15, 2024), G.F.W. Energy XII, L.P. reported 3 stock positions worth $11.5 million. Its top holding was Net Power (NPWR) at 98.6% of the portfolio, followed by Opal Fuels Class A (OPAL, 0.9%) and Allego (ALLGF, 0.5%). Compared with Q4 2023, it sold out of 1. The biggest sale was an exit from Civitas Resources (CIVI).

Most Recent 13F
Q3 2025
Location
DALLAS, TX
CIK
0001860989
Portfolio Value
$11.5M (Q1 2024)
SEC Filing
0001085146-24-002563 ↗ filed May 15, 2024

Holdings Value

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

Holdings 3 stocks · $11.5M
NPWR Net Power Inc. 98.63% 1,000,000 $11.4M No change
OPAL Opal Fuels Inc. Class A 0.87% 20,000 $100K No change
ALLGF Allego NV 0.51% 40,250 $58K No change

Portfolio Sells Q4 2023 → Q1 2024
CIVI Civitas Resources Inc. Sold out 0.00% −94.44

Portfolio Buys Q4 2023 → Q1 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