Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.
Reported portfolio value by quarter (40 quarters reported)
$133M in Q4 2016 → $210M now. Hover for any quarter.
As reported for the quarter ended September 30, 2026. Activity is the change in share count since the prior quarter's filing.
| Holding | % of portfolio | Activity | Shares | Value |
|---|---|---|---|---|
| VI Vanguard Index Fds | 61.4% | Trimmed 9.8% | 184,014 | $129M |
| Black Stone Minerals L P | 38.6% | Unchanged | 5,663,476 | $81.1M |
What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.
quarter ended September 30, 2026 · filed October 22, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| VI Vanguard Index Fds | Trimmed | −19,951 | −$14M | 61.4% |
quarter ended June 30, 2026 · filed July 23, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| VI Vanguard Index Fds | Trimmed | −21,949 | −$15.1M | 63.9% |
quarter ended March 31, 2026 · filed May 11, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| VI Vanguard Index Fds | Added | +21,499 | +$12.8M | 61.2% |
quarter ended December 31, 2025 · filed January 15, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| VI Vanguard Index Fds | Added | +87,616 | +$54.9M | 63.0% |
quarter ended September 30, 2025 · filed October 31, 2025
No position changes this quarter.
quarter ended June 30, 2025 · filed July 16, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| VI Vanguard Index Fds | Trimmed | −175,541 | −$99.7M | 47.2% |
| Amplitude Inc | Exited | −16,754 | −$171K | — |
quarter ended March 31, 2025 · filed April 15, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| VI Vanguard Index Fds | Added | +47,631 | +$24.5M | 63.4% |
| NH Nu Hldgs Ltd | Exited | −58,616 | −$607K | — |
| Amplitude Inc | New | +16,754 | +$171K | 0.1% |
quarter ended December 31, 2024 · filed April 15, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| VI Vanguard Index Fds | New | +244,709 | +$132M | 61.3% |
| NH Nu Hldgs Ltd | New | +58,616 | +$607K | 0.3% |
| Klaviyo Inc | Exited | −6,930 | −$245K | — |
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