Brian Bares - Bares Capital Management Investment Strategy & Portfolio Analysis

How Bares Capital Management allocates capital, manages risk, and constructs its portfolio — based on SEC 13F filings.

As of Mar 31, 2026, Brian Bares's Bares Capital Management portfolio reflects a highly concentrated, high-conviction approach across 24 reported 13F positions. Portfolio returns are primarily driven by a small set of high-conviction positions such as Pegasystems, Block,, and Workday,, with the top five holdings accounting for approximately 67% of total exposure and Pegasystems alone contributing ~18%. While the portfolio includes 24 positions, economic outcomes are highly concentrated in a narrow set of large-cap technology and growth-oriented names, indicating a meaningful divergence between structural diversification and return concentration. Exposure to high-growth and technology-oriented segments is elevated relative to peers, with performance anchored in growth-oriented names across technology, healthcare, and consumer discretionary. The portfolio exhibits extremely low turnover, reinforcing a patient, conviction-led investment approach. Distinctive traits include Long-Term Holder, Moderately Concentrated, Economically Concentrated.

Investment Style

Value, growth, quality, and behavioral classification from latest 13F holdings.

Highly Concentrated High Conviction Growth

Primary type: Growth-Oriented Investor

Traits: Long-Term Holder, Moderately Concentrated, Economically Concentrated, Structurally Diversified

Turnover profile

Buy & Hold

Holding horizon

Long-Term

Portfolio Construction

Concentration and position sizing in the latest filing.

Portfolio construction is highly concentrated: top three names represent 44.4% of assets, top five 67.0%, and the largest single position is 17.9%.

Top 3 weight

44.4%

Top 5 weight

67.0%

Top 10 weight

96.4%

Largest position

17.9%

Top holdings: Pegasystems Inc., Block, Inc., Workday, Inc., Interactive Brokers Group, Inc., CoStar Group, Inc. — view full holdings

Sector Preferences

Where capital is allocated by sector.

Capital is tilted toward Technology and Healthcare, with 6 sectors represented in the latest filing.

Leading sectors: Technology, Healthcare, Consumer Cyclical

View full sector allocation

Risk Framework

Concentration, diversification, and turnover tolerance.

This investor accepts high single-name risk (largest position 17.9%, top ten 96.4%) and low economic diversification (HHI 0.07). Turnover tolerance maps to a buy & hold profile.

Largest position

17.9%

Top 10 weight

96.4%

Max sector

45.3%

Diversification

Low

Strategy Evolution

How the strategy changed between the two most recent filing periods.

Jun 30, 2025 → Sep 30, 2025

  • Position count increased from 22 to 24 (+2 names).
  • Top-five concentration fell from 70.9% to 67.0%.
  • Dominant sector mix shifted from Technology, Financial Services to Technology, Healthcare.
  • Quarter-over-quarter portfolio weight turnover: 8.6%.

For trade-level changes, see the Activity page. View activity.

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