Thomas Russo - Gardner Russo & Quinn Investment Strategy & Portfolio Analysis
How Gardner Russo & Quinn allocates capital, manages risk, and constructs its portfolio — based on SEC 13F filings.
According to the SEC 13F filed on Aug 13, 2026, Thomas Russo's Gardner Russo & Quinn portfolio reflects a concentrated approach across 76 reported 13F positions as of quarter-end Jun 30, 2026. Portfolio returns are primarily driven by a small set of mega-cap compounders, with the top five holdings accounting for approximately 54% of total exposure and Alphabet alone contributing ~13%. While the portfolio includes 76 positions, economic outcomes are highly concentrated in a narrow set of large-cap financial names, indicating a meaningful divergence between structural diversification and return concentration. Exposure to high-growth and technology-oriented segments remains limited relative to peers, with performance instead anchored in durable, cash-generating businesses across financials, unknown, and communication services. The portfolio exhibits extremely low turnover, reinforcing a long-term capital allocation approach centered on high-conviction, long-duration holdings. Distinctive traits include Long-Term Holder, Moderately Concentrated, Structurally Diversified.
Investment Style
Value, growth, quality, and behavioral classification from latest 13F holdings.
Primary type: Value Investor
Traits: Long-Term Holder, Moderately Concentrated, Structurally Diversified
Turnover profile
Buy & Hold
Holding horizon
Long-Term
Portfolio Construction
Concentration and position sizing in the latest filing.
Portfolio construction is moderately concentrated: top three names represent 35.1% of assets, top five 53.6%, and the largest single position is 12.8%.
Top 3 weight
35.1%
Top 5 weight
53.6%
Top 10 weight
84.1%
Largest position
12.8%
Top holdings: Alphabet Inc., Berkshire Hathaway Inc., Philip Morris International Inc, Mastercard Incorporated, Compagnie Financiere Richemont — view full holdings
Sector Preferences
Where capital is allocated by sector.
Capital is tilted toward Financial Services and Unknown, with 11 sectors represented in the latest filing.
Leading sectors: Financial Services, Unknown, Communication Services
Risk Framework
Concentration, diversification, and turnover tolerance.
This investor accepts moderate single-name risk (largest position 12.8%, top ten 84.1%) and moderate economic diversification (HHI 0.07). Turnover tolerance maps to a buy & hold profile.
Largest position
12.8%
Top 10 weight
84.1%
Max sector
28.9%
Diversification
Moderate
Strategy Evolution
How the strategy changed between the two most recent filing periods.
Mar 31, 2026 → Jun 30, 2026
- Position count decreased from 78 to 76 (-2 names).
- Top-five concentration rose from 51.8% to 53.6%.
- Dominant sector mix shifted from Financial Services, Communication Services to Financial Services, Unknown.
- Largest holding changed from Berkshire Hathaway Inc. to Alphabet Inc..
- Quarter-over-quarter portfolio weight turnover: 4.9%.
For trade-level changes, see the Activity page. View activity.
Similar Investors
Peer group with comparable portfolio behavior.
Similar-investor comparisons are coming soon.