DD
Diana Davis Spencer Foundation Institutional Portfolio & 13F Holdings (Q2 2026)
Diana Davis Spencer FoundationCIK: 0001633391
Concentrated strategyMomentum followerQuality / disciplined sizing
Total reported value
$55.2M
Reporting period: 2026-06-30 · Number of holdings: 2
Diana Davis Spencer Foundation disclosed 2 holdings in its latest 13F filing for the period ending 2026-06-30, with total reported value of $55.2M and a quarterly turnover rate of 33.7%.
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Personality snowflake
- Concentration
- 100
- Portfolio Stability
- 33.69
- Momentum
- 100
- Sector conviction
- 0
- Diversification
- 4
- Sizing Uniformity
- 96.61
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.govAdd VIG
+98.4% $11.4M
Trim VOO
+0.3% $4.5M
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 | 61.97% | -13.55% | +0.31% | |
| 2 | VIG | Vanguard Dividend Apprec ETF | ETF-Other | 38.03% | +13.55% | +98.42% |
Portfolio Performance
Performance for Q3 2026
+2.5%
Performance Last 4 Quarters
+6.6%
- Stdev
- +6.5%
- Beta
- +0.33
- Alpha
- -0.2%
- Max Drawdown
- -3.6%
- Annualized Perf
- +6.3%
- Batting Avg vs S&P
- +38.9%
- Sortino
- +1.74
- Stutzer
- +0.29
- Treynor
- +0.19
- Sterling
- +0.49
- Calmar
- +1.76
- Information Ratio
- -1.37
- Tracking Error
- +10%
- Stdev Down
- +3.7%
- Winning Months %
- +69.4%
- Losing Months %
- +30.6%
- Best 12 Months
- +12.9%
- Worst 12 Months
- +1.7%
- Efficiency Ratio
- +0.37
- Sharpe
- +0.99
- Stdev Sectors
- —
- Skewness
- +0.07
- Kurtosis
- +0.23
- Upside Potential
- +3.38
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 | $55.2M | 34 | ||
| 2026 Q1 | 2 | $39.3M | 100 | ||
| 2025 Q4 | 4 | $296.3M | 1 | ||
| 2025 Q3 | 4 | $297.2M | 3 | ||
| 2025 Q2 | 4 | $291.9M | 0 | ||
| 2025 Q1 | 4 | $287.8M | 55 | ||
| 2024 Q4 | 4 | $283.4M | 0 | ||
| 2024 Q3 | 4 | $296.2M | 0 | ||
| 2024 Q2 | 4 | $282.5M | 0 | ||
| 2024 Q1 | 3 | $260.4M | 0 | ||
| 2023 Q4 | 3 | $264.1M | 0 | ||
| 2023 Q3 | 3 | $248.4M | 0 | ||
| 2023 Q2 | 3 | $260.4M | 0 | ||
| 2023 Q1 | 3 | $264.9M | 0 | ||
| 2022 Q4 | 3 | $256.4M | 0 | ||
| 2022 Q3 | 3 | $253.3M | 0 | ||
| 2022 Q2 | 3 | $269.1M | 0 | ||
| 2022 Q1 | 3 | $287.9M | 0 | ||
| 2021 Q4 | 3 | $310.0M | 0 | ||
| 2021 Q3 | 3 | $313.6M | 0 | ||
| 2021 Q2 | 3 | $315.7M | 2 | ||
| 2021 Q1 | 3 | $309.4M | 5 | ||
| 2020 Q4 | 3 | $325.4M | 1 | ||
| 2020 Q3 | 3 | $324.4M | 0 | ||
| 2020 Q2 | 3 | $323.9M | 5 | ||
| 2020 Q1 | 3 | $309.4M | 2 | ||
| 2019 Q4 | 3 | $306.0M | 1 | ||
| 2019 Q3 | 3 | $307.9M | 2 | ||
| 2019 Q2 | 3 | $301.6M | 3 | ||
| 2019 Q1 | 3 | $292.4M | 3 | ||
| 2018 Q4 | 3 | $282.6M | 1 | ||
| 2018 Q3 | 3 | $281.9M | 1 | ||
| 2018 Q2 | 3 | $283.2M | 11 | ||
| 2018 Q1 | 3 | $256.4M | 2 | ||
| 2017 Q4 | 3 | $262.9M | 1 | ||
| 2017 Q3 | 3 | $264.1M | 1 | ||
| 2017 Q2 | 3 | $264.5M | 2 | ||
| 2017 Q1 | 3 | $260.1M | 1 | ||
| 2016 Q4 | 3 | $258.8M | 5 | ||
| 2016 Q3 | 3 | $271.8M | 0 | ||
| 2016 Q2 | 3 | $272.2M | 2 | ||
| 2016 Q1 | 3 | $266.1M | 3 | ||
| 2015 Q4 | 3 | $257.3M | 2 | ||
| 2015 Q3 | 3 | $261.9M | 20 | ||
| 2015 Q2 | 3 | $259.4M | 3 | ||
| 2015 Q1 | 3 | $268.3M | 2 | ||
| 2014 Q4 | 3 | $264.3M | — |
Holding changes this quarter
Diana Davis Spencer Foundation's most significant position changes for 2026-06-30: Add: Vanguard Dividend Apprec ETF (VIG) — shares +98.42%; Add: Vanguard S&p 500 ETF (VOO) — shares +0.31%.
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | VIG | Vanguard Dividend Apprec ETF | +13.6% | +98.42% | Add |
| 2 | VOO | Vanguard S&p 500 ETF | -13.6% | +0.31% | Add |
Filing History
FAQ
What is Diana Davis Spencer Foundation and what type of investor is it?
Diana Davis Spencer Foundation 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 $55.2M, spread across 2 disclosed positions.
What are Diana Davis Spencer Foundation's largest equity positions?
Based on the latest 13F filing, Diana Davis Spencer Foundation's top holdings by market value are:
1. Vanguard S&p 500 ETF (VOO) — $34.2M (62.0%)
2. Vanguard Dividend Apprec ETF (VIG) — $21.0M (38.0%)
What changes did Diana Davis Spencer Foundation make in its most recent portfolio filing?
In the latest quarter, Diana Davis Spencer Foundation was primarily adding exposure — initiating 0 new positions and adding to 2 existing holdings. The largest of these moves: Add: Vanguard Dividend Apprec ETF (VIG) — shares +98.42%; Add: Vanguard S&p 500 ETF (VOO) — shares +0.31%
What sectors does Diana Davis Spencer Foundation focus on?
Sector breakdown data is not yet available for Diana Davis Spencer Foundation. Check back after the next 13F processing cycle.
Investment Profile
Diana Davis Spencer Foundation returned an annualized 6.3% over the trailing 36 months — underperforming the S&P 500 by 0.2 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 0.33 (less volatile than the market) and a 39% quarterly batting average against the index.
Its portfolio is concentrated and moderately active.
Its turnover score has risen from 0 to 34 over the past 4 quarters — a shift toward more active trading.
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Developer Access
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