William Marsh Rice University
CIK 1674705 · View on SEC EDGAR ↗
- Portfolio value
- $219.2M
- Positions
- 2
- As of
- June 30, 2026
#6,143 of 9,443 by 13F value · top 65.1%
Portfolio value QoQ: -0.6% 13F does not disclose cash
- Top 10 holdings weight
- 100.00%
- Top 25 holdings weight
- 100.00%
- Positions above 1%
- 2
- Effective number of positions
- 1.9
Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)
Turnover Q2 2026: 0.0% Est. buys $0 · sells $15,074,793
Median holding: 4.0 quarters Tracked Q4 2024–Q2 2026 · 50.0% still held
- New positions
- 0
- Increased
- 0
- Decreased
- 1
- Closed
- 1
On this page
Sector breakdown
Energy
36.1%
Other/Unmapped
63.9%
Full portfolio 2 positions
| Type | Streak | 8Q trend | |||||
|---|---|---|---|---|---|---|---|
| VOO | $140,085,202 | 63.91% | 203,965 | $5,090,291 | Down ×1 | ||
| BSM Black Stone Minerals, L.P. Common units representing limited partner interests | $79,118,760 | 36.09% | 5,663,476 | $-6,512,997 | |||
| No matches | |||||||
Top movers (QoQ)
| Security | Action | Shares Δ | Value Δ |
|---|---|---|---|
| BSM | Price move only | +0 | -$6.5M |
| VOO | Trimmed | -22K | +$5.1M |
Exited positions
Includes corporate events (mergers, delistings) — not all exits are sells
Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.