Institutional Portfolio Overlap & Shared Holdings
Compare institutional investor portfolios using publicly disclosed SEC Form 13F filings tracked by InsiderSet. Analyze shared holdings, overlapping sector exposure, consensus smart money positions, portfolio concentration, and estimated current values across major hedge funds and institutional asset managers.
Sector portfolio overlap
Explore shared holdings and top overlapping superinvestor pairs within a sector.
Matrix Advisors Value Fund & Gardner Russo & Quinn Portfolio Overlap
Shared 13F holdings between Matrix Advisors Value Fund and Gardner Russo & Quinn based on latest reported SEC filings (the quarter ended June 30, 2026).
Overlap Score
21
Minimal overlap
Shared Holdings
20 shared positions across both portfolios (106 holdings for Matrix Advisors Value Fund, 76 for Gardner Russo & Quinn).
| Stock | Matrix Advisors Value Fund value | Gardner Russo & Quinn value | Combined value | Conviction | Est. current value | Sector |
|---|---|---|---|---|---|---|
| GOOG Alphabet Inc. | $47.99M | $1.08B | $1.12B | 8.3% | $1.09B | Communication Services |
| BRK-B Berkshire Hathaway Inc. New | $5.83M | $540.10M | $545.93M | 3.4% | $555.54M | Financial Services |
| CMCSA Comcast Corporation | $24.33M | $53.85M | $78.19M | 1.3% | $72.97M | Communication Services |
| MSFT Microsoft Corporation | $64.49M | $1.34M | $65.82M | 2.6% | $87.83M | Technology |
| JPM JP Morgan Chase & Co. | $43.50M | $8.09M | $51.59M | 1.8% | $55.06M | Financial Services |
| AAPL Apple Inc. | $44.03M | $1.33M | $45.36M | 1.8% | $52.83M | Technology |
| PEP Pepsico, Inc. | $36.29M | $1.23M | $37.53M | 1.5% | $37.05M | Consumer Defensive |
| AMZN Amazon.com, Inc. | $31.89M | $223,086 | $32.12M | 1.3% | $33.85M | Consumer Cyclical |
| V Visa Inc. | $384,142 | $29.94M | $30.32M | 0.2% | $32.69M | Financial Services |
| PG Procter & Gamble Company (The) | $21.48M | $961,079 | $22.45M | 0.9% | $22.58M | Consumer Defensive |
| WFC Wells Fargo & Company | $18.02M | $615,762 | $18.63M | 0.7% | $19.59M | Financial Services |
| ABBV AbbVie Inc. | $9.83M | $3.12M | $12.95M | 0.4% | $13.59M | Healthcare |
| GOOGL Alphabet Inc. | $1.40M | $3.97M | $5.37M | 0.1% | $5.22M | Communication Services |
| ABT Abbott Laboratories | $4.29M | $1.04M | $5.33M | 0.2% | $6.01M | Healthcare |
| COST Costco Wholesale Corporation | $515,137 | $3.18M | $3.69M | 0.0% | $3.53M | Consumer Defensive |
| MCD McDonald's Corporation | $3.33M | $255,984 | $3.59M | 0.1% | $3.30M | Consumer Cyclical |
| AXP American Express Company | $959,279 | $1.73M | $2.69M | 0.0% | $2.48M | Financial Services |
| WMT Walmart Inc. | $361,419 | $958,746 | $1.32M | 0.0% | $1.24M | Consumer Defensive |
| JNJ Johnson & Johnson | $411,939 | $282,415 | $694,354 | 0.0% | $738,781 | Healthcare |
| MRK Merck & Company, Inc. | $214,724 | $211,006 | $425,730 | 0.0% | $487,508 | Healthcare |
Largest Shared Position
Alphabet Inc. (GOOG) represents the largest overlapping position between Matrix Advisors Value Fund and Gardner Russo & Quinn based on the latest reported SEC Form 13F filings for the quarter ended June 30, 2026. The combined disclosed value of GOOG positions reported by both investment firms is approximately $1.12B, reflecting overlapping institutional exposure to Alphabet Inc..
Shared Sector Exposure
| Sector | Combined value | Shared holdings |
|---|---|---|
| Communication Services | $1.21B | CMCSA, GOOG, GOOGL |
| Financial Services | $649.17M | AXP, BRK-B, JPM, V, WFC |
| Technology | $111.19M | AAPL, MSFT |
| Consumer Defensive | $64.99M | COST, PEP, PG, WMT |
| Consumer Cyclical | $35.71M | AMZN, MCD |
| Healthcare | $19.41M | ABBV, ABT, JNJ, MRK |
Consensus Smart Money Signals
Shared holdings between Matrix Advisors Value Fund and Gardner Russo & Quinn may indicate overlapping long-term investment themes or broader smart money consensus toward specific companies and sectors. SEC Form 13F filings report positions, not investment intent.
- Strongest overlap by reported value: GOOG ($1.12B combined).
- Highest average portfolio weight in overlap: GOOG (8.3% conviction score).
- Largest estimated mark-to-market gain since filing: MSFT ($22.01M vs reported combined value, where EOD data is available).
Historical Overlap Trend
The overlap between Matrix Advisors Value Fund and Gardner Russo & Quinn decreased between Q1 2001 and Q2 2001, with 20 shared holdings in the latest period ($2.09B combined reported value) versus 21 in the prior period ($2.02B).
Overlap Score Guide
| Score | Meaning |
|---|---|
| 85–100 | Extremely high shared conviction |
| 65–84 | Strong overlap |
| 45–64 | Moderate overlap |
| 25–44 | Limited overlap |
| 0–24 | Minimal overlap |
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