Bill Miller - Miller Value Partners Investment Strategy & Portfolio Analysis
How Miller Value Partners allocates capital, manages risk, and constructs its portfolio — based on SEC 13F filings.
According to the SEC 13F filed on Aug 14, 2026, Bill Miller's Miller Value Partners portfolio reflects a quant / systematic investor approach across 54 reported 13F positions as of quarter-end Jun 30, 2026. Portfolio returns are led by Nabors Industries (~9% of total exposure), with the top five holdings representing approximately 32% of reported value. The portfolio maintains structural breadth across 54 positions, with economic weighting tilted toward energy and industrial infrastructure names. Exposure to high-growth and technology-oriented segments remains limited relative to peers, with performance instead anchored in durable, cash-generating businesses across unknown, consumer discretionary, and financials. The portfolio exhibits low turnover, consistent with a buy-and-hold posture held through multiple reporting cycles. Distinctive traits include Long-Term Holder, Broadly Diversified, Structurally Diversified.
Investment Style
Value, growth, quality, and behavioral classification from latest 13F holdings.
Primary type: Quant / Systematic Investor
Traits: Long-Term Holder, Broadly Diversified, Structurally Diversified
Turnover profile
Moderate
Holding horizon
Long-Term
Portfolio Construction
Concentration and position sizing in the latest filing.
Portfolio construction is lowly concentrated: top three names represent 21.6% of assets, top five 32.3%, and the largest single position is 8.9%.
Top 3 weight
21.6%
Top 5 weight
32.3%
Top 10 weight
53.2%
Largest position
8.9%
Top holdings: Nabors Industries, Gray Television, Inc., Direxion Daily S&P 500 Bull 2X, Bloomin' Brands, Inc., Quad Graphics, Inc — view full holdings
Sector Preferences
Where capital is allocated by sector.
Capital is tilted toward Unknown and Consumer Cyclical, with 12 sectors represented in the latest filing.
Leading sectors: Unknown, Consumer Cyclical, Financial Services
Risk Framework
Concentration, diversification, and turnover tolerance.
This investor accepts low single-name risk (largest position 8.9%, top ten 53.2%) and high economic diversification (HHI 0.02). Turnover tolerance maps to a moderate profile.
Largest position
8.9%
Top 10 weight
53.2%
Max sector
19.1%
Diversification
High
Strategy Evolution
How the strategy changed between the two most recent filing periods.
Mar 31, 2026 → Jun 30, 2026
- Position count increased from 53 to 54 (+1 names).
- Top-five concentration fell from 33.8% to 32.3%.
- Dominant sector mix shifted from Unknown, Financial Services to Unknown, Consumer Cyclical.
- Quarter-over-quarter portfolio weight turnover: 17.0%.
For trade-level changes, see the Activity page. View activity.
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Similar-investor comparisons are coming soon.