Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.
Reported portfolio value by quarter (36 quarters reported)
$487M in Q3 2017 → $4.67B now. Hover for any quarter.
As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.
| Holding | % of portfolio | Activity | Shares | Value |
|---|---|---|---|---|
| Constellation Energy Corp | 76.4% | Trimmed 35% | 14,370,227 | $3.57B |
| Talen Energy Corp | 19.8% | New | 2,399,998 | $922M |
| PG&E Corp | 2.6% | Unchanged | 7,124,720 | $120M |
| ST Shenandoah Telecommunication | 1.1% | Unchanged | 3,457,105 | $52.1M |
| Clean Energy Fuels Corp | 0.1% | Unchanged | 2,594,759 | $5.32M |
What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.
quarter ended June 30, 2026 · filed August 14, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Constellation Energy Corp | Trimmed | −7,673,497 | −$1.91B | 76.4% |
| Talen Energy Corp | New | +2,399,998 | +$922M | 19.8% |
quarter ended March 31, 2026 · filed May 15, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Constellation Energy Corp | New | +22,043,724 | +$6.16B | 97.1% |
| Xplr Infrastructure LP | Exited | −4,500,000 | −$45M | — |
quarter ended December 31, 2025 · filed February 17, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| ST Shenandoah Telecommunication | Added | +79,872 | +$923K | 19.5% |
quarter ended September 30, 2025 · filed February 17, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| ST Shenandoah Telecommunication | Added | +662,862 | +$8.9M | 22.1% |
quarter ended June 30, 2025 · filed February 17, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| ST Shenandoah Telecommunication | Added | +261,987 | +$3.58M | 20.8% |
quarter ended March 31, 2025 · filed February 17, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Custom Truck One Source Inc | Exited | −16,287,270 | −$78.3M | — |
| Xplr Infrastructure LP | New | +4,500,000 | +$42.8M | 21.4% |
quarter ended December 31, 2024 · filed February 14, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| SE Sunnova Energy Intl Inc. | Exited | −6,605,472 | −$64.3M | — |
| Custom Truck One Source Inc | Trimmed | −7,097,609 | −$34.1M | 30.2% |
| E Enviva Inc | Exited | −252,392 | −$101K | — |
quarter ended September 30, 2024 · filed November 14, 2024
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Custom Truck One Source Inc | Trimmed | −2,372,749 | −$8.19M | 24.5% |
| SE Sunnova Energy Intl Inc. | Trimmed | −306,192 | −$2.98M | 19.6% |
| Allego N V | Exited | −1,000,000 | −$1.68M | — |
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