Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.
Reported portfolio value by quarter (19 quarters reported)
$295M in Q1 2021 → $401K now. Hover for any quarter.
As reported for the quarter ended September 30, 2025. Activity is the change in share count since the prior quarter's filing.
| Holding | % of portfolio | Activity | Shares | Value |
|---|---|---|---|---|
| Net Power Inc | 89.0% | Unchanged | 118,729 | $357K |
| Opal Fuels Inc | 11.0% | Unchanged | 20,000 | $44K |
What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.
quarter ended September 30, 2025 · filed November 14, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Permian Resources Corp | Exited | −252,473 | −$3.44M | — |
| MR Matador Res Co | Exited | −71,537 | −$3.41M | — |
| Chord Energy Corporation | Exited | −30,255 | −$2.93M | — |
| DE Devon Energy Corp New | Exited | −91,499 | −$2.91M | — |
quarter ended June 30, 2025 · filed August 14, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Permian Resources Corp | New | +252,473 | +$3.44M | 26.4% |
| MR Matador Res Co | New | +71,537 | +$3.41M | 26.2% |
| Chord Energy Corporation | New | +30,255 | +$2.93M | 22.5% |
| DE Devon Energy Corp New | New | +91,499 | +$2.91M | 22.3% |
quarter ended March 31, 2025 · filed May 15, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Net Power Inc | Trimmed | −311,113 | −$818K | 89.5% |
quarter ended December 31, 2024 · filed February 14, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Net Power Inc | Trimmed | −570,158 | −$6.04M | 98.5% |
quarter ended September 30, 2024 · filed November 14, 2024
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Permian Resources Corp | Exited | −2,596,041 | −$41.9M | — |
| Allego N V | Exited | −40,250 | −$67.6K | — |
quarter ended June 30, 2024 · filed August 14, 2024
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Permian Resources Corp | New | +2,596,041 | +$41.9M | 80.8% |
quarter ended March 31, 2024 · filed May 15, 2024
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Civitas Resources Inc | Exited | −2,550,333 | −$174M | — |
quarter ended December 31, 2023 · filed February 14, 2024
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Civitas Resources Inc | Trimmed | −850,112 | −$58.1M | 94.4% |
| Allego N V | Exited | −175,000 | −$73.6K | — |
| Allego N V | New | +40,250 | +$54.3K | — |
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