WM
William Marsh Rice University 13F Filing (Q2 2026) — Top Positions & Stock Picks
William Marsh Rice UniversityCIK: 0001674705
Concentrated strategyQuality / disciplined sizingLong-term holder
Total reported value
$219.2M
Reporting period: 2026-06-30 · Number of holdings: 2
William Marsh Rice University disclosed 2 holdings in its latest 13F filing for the period ending 2026-06-30, with total reported value of $219.2M and a quarterly turnover rate of 5.3%.
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Personality snowflake
- Concentration
- 100
- Portfolio Stability
- 5.28
- Momentum
- 50
- Sector conviction
- 0
- Diversification
- 4
- Sizing Uniformity
- 96.07
Sector classification currently covers about 0% of this portfolio's disclosed value; the remainder includes holdings (e.g. unmapped tickers, options, or other security types) not yet covered by our sector mapping.
Source and citation information
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Recent moves
View source Form 13F filing on SEC.govTrim BSM
0.0% -$6.5M
Add VOO
-9.7% $5.1M
Holdings Map
New buyAddUnchangedTrim
Top 10 holdings by weight
Full holdings list this quarter
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | VOO | Vanguard S&p 500 ETF | ETF-Large Cap & Growth | 63.91% | +2.72% | -9.72% | |
| 2 | BSM | Black Stone Minerals LP | Stock-Other | 36.09% | -2.72% | — |
Portfolio Performance
Performance for Q3 2026
+5%
Performance Last 4 Quarters
+27.8%
- Stdev
- +15.6%
- Beta
- +0.5
- Alpha
- +2.2%
- Max Drawdown
- -10.3%
- Annualized Perf
- +11.7%
- Batting Avg vs S&P
- +41.7%
- Sortino
- +1.3
- Stutzer
- +0.23
- Treynor
- +0.24
- Sterling
- +0.69
- Calmar
- +1.14
- Information Ratio
- -0.5
- Tracking Error
- +15.5%
- Stdev Down
- +9.4%
- Winning Months %
- +66.7%
- Losing Months %
- +33.3%
- Best 12 Months
- +32.6%
- Worst 12 Months
- -0.9%
- Efficiency Ratio
- +0.29
- Sharpe
- +0.79
- Stdev Sectors
- —
- Skewness
- -0.15
- Kurtosis
- -0.2
- Upside Potential
- +3.03
Reported value over time
Sector allocation
Not enough sector-mapped data yet
Sector allocation over time
Quarterly history
| Period | Holdings | Total value | Stability | Top holdings | |
|---|---|---|---|---|---|
| 2026 Q2 | 2 | $219.2M | 5 | ||
| 2026 Q1 | 2 | $220.6M | 8 | ||
| 2025 Q4 | 2 | $203.5M | 33 | ||
| 2025 Q3 | 2 | $145.9M | 64 | ||
| 2025 Q2 | 2 | $140.4M | 0 | ||
| 2025 Q1 | 3 | $236.9M | 57 | ||
| 2024 Q4 | 1 | $131.9M | 100 | ||
| 2024 Q3 | 2 | $85.8M | 0 | ||
| 2024 Q2 | 2 | $89.3M | 0 | ||
| 2024 Q1 | 1 | $90.5M | 0 | ||
| 2023 Q4 | 4 | $109.4M | 0 | ||
| 2023 Q3 | 5 | $126.6M | 0 | ||
| 2023 Q2 | 5 | $146.9M | 0 | ||
| 2023 Q1 | 8 | $150.4M | 0 | ||
| 2022 Q4 | 7 | $190.5M | 0 | ||
| 2022 Q3 | 7 | $153.3M | 0 | ||
| 2022 Q2 | 8 | $133.1M | 0 | ||
| 2022 Q1 | 10 | $188.5M | 0 | ||
| 2021 Q4 | 9 | $199.8M | 0 | ||
| 2021 Q3 | 5 | $241.0M | 0 | ||
| 2021 Q2 | 4 | $232.2M | 100 | ||
| 2021 Q1 | 7 | $188.7M | 32 | ||
| 2020 Q4 | 3 | $137.0M | 44 | ||
| 2020 Q3 | 5 | $92.9M | 73 | ||
| 2020 Q2 | 1 | $47.2M | 61 | ||
| 2020 Q1 | 3 | $50.6M | 100 | ||
| 2019 Q4 | 3 | $92.7M | 12 | ||
| 2019 Q3 | 3 | $104.6M | 22 | ||
| 2019 Q2 | 3 | $127.7M | 44 | ||
| 2019 Q1 | 7 | $98.3M | 20 | ||
| 2018 Q4 | 5 | $82.4M | 41 | ||
| 2018 Q3 | 3 | $122.5M | 8 | ||
| 2018 Q2 | 3 | $132.9M | 14 | ||
| 2018 Q1 | 3 | $115.0M | 7 | ||
| 2017 Q4 | 3 | $123.1M | 4 | ||
| 2017 Q3 | 4 | $118.8M | 16 | ||
| 2017 Q2 | 2 | $101.0M | 14 | ||
| 2017 Q1 | 4 | $115.9M | 14 | ||
| 2016 Q4 | 2 | $132.7M | — |
Holding changes this quarter
William Marsh Rice University's most significant position changes for 2026-06-30: Trim: Vanguard S&p 500 ETF (VOO) — shares -9.72%.
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | VOO | Vanguard S&p 500 ETF | +2.7% | -9.72% | Trim |
| 2 | BSM | Black Stone Minerals LP | -2.7% | — | Unchanged |
Filing History
FAQ
What is William Marsh Rice University and what type of investor is it?
William Marsh Rice University is an investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-06-30), the firm manages a tracked equity portfolio valued at approximately $219.2M, spread across 2 disclosed positions.
What are William Marsh Rice University's largest equity positions?
Based on the latest 13F filing, William Marsh Rice University's top holdings by market value are:
1. Vanguard S&p 500 ETF (VOO) — $140.1M (63.9%)
2. Black Stone Minerals LP (BSM) — $79.1M (36.1%)
What changes did William Marsh Rice University make in its most recent portfolio filing?
In the latest quarter, William Marsh Rice University took a more defensive posture — trimming 1 positions and completely exiting 0 holdings. The largest of these moves: Trim: Vanguard S&p 500 ETF (VOO) — shares -9.72%
What sectors does William Marsh Rice University focus on?
Sector breakdown data is not yet available for William Marsh Rice University. Check back after the next 13F processing cycle.
Investment Profile
William Marsh Rice University returned an annualized 11.7% over the trailing 36 months — outperforming the S&P 500 by 2.2 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 0.50 (less volatile than the market) and a 42% quarterly batting average against the index.
Its portfolio is concentrated and long-term-holding.
It has added to its VOO position for two straight quarters, increasing it by $11.9M to reach $140.1M.
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