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 & Lountzis Asset Management Portfolio Overlap
Shared 13F holdings between Matrix Advisors Value Fund and Lountzis Asset Management based on latest reported SEC filings (the quarter ended June 30, 2026).
Overlap Score
48
Moderate overlap
Shared Holdings
23 shared positions across both portfolios (106 holdings for Matrix Advisors Value Fund, 54 for Lountzis Asset Management).
| Stock | Matrix Advisors Value Fund value | Lountzis Asset Management value | Combined value | Conviction | Est. current value | Sector |
|---|---|---|---|---|---|---|
| AMAT Applied Materials, Inc. | $34.74M | $73.25M | $107.98M | 13.0% | $75.75M | Technology |
| BRK-B Berkshire Hathaway Inc. New | $5.83M | $66.35M | $72.18M | 10.7% | $72.70M | Financial Services |
| MSFT Microsoft Corporation | $64.49M | $667,333 | $65.15M | 2.7% | $86.53M | Technology |
| USB U.S. Bancorp | $42.38M | $14.90M | $57.28M | 4.1% | $61.91M | Financial Services |
| GOOG Alphabet Inc. | $47.99M | $1.93M | $49.92M | 2.3% | $48.54M | Communication Services |
| AAPL Apple Inc. | $44.03M | $963,518 | $45.00M | 1.9% | $47.57M | Technology |
| JPM JP Morgan Chase & Co. | $43.50M | $312,273 | $43.81M | 1.8% | $48.57M | Financial Services |
| PEP Pepsico, Inc. | $36.29M | $4.98M | $41.28M | 2.3% | $42.92M | Consumer Defensive |
| WFC Wells Fargo & Company | $18.02M | $19.92M | $37.93M | 3.9% | $40.77M | Financial Services |
| BK The Bank of New York Mellon Cor | $25.28M | $1.27M | $26.55M | 1.2% | $25.18M | Financial Services |
| VOO Vanguard S&P 500 ETF | $21.72M | $703,293 | $22.42M | 1.0% | $23.30M | — |
| META Meta Platforms, Inc. | $21.22M | $419,651 | $21.64M | 0.9% | $22.66M | Communication Services |
| LOW Lowe's Companies, Inc. | $17.57M | $3.61M | $21.17M | 1.3% | $20.98M | Consumer Cyclical |
| GOOGL Alphabet Inc. | $1.40M | $17.17M | $18.57M | 2.8% | $17.97M | Communication Services |
| ABBV AbbVie Inc. | $9.83M | $883,508 | $10.72M | 0.5% | $10.62M | Healthcare |
| ABT Abbott Laboratories | $4.29M | $628,828 | $4.92M | 0.3% | $6.03M | Healthcare |
| NVDA NVIDIA Corporation | $1.22M | $1.26M | $2.48M | 0.2% | $2.79M | Technology |
| XOM Exxon Mobil Corporation | $512,595 | $645,865 | $1.16M | 0.1% | $1.36M | Energy |
| JNJ Johnson & Johnson | $411,939 | $739,561 | $1.15M | 0.1% | $1.18M | Healthcare |
| AON Aon Plc | $214,935 | $630,211 | $845,146 | 0.1% | $906,655 | Financial Services |
| LLY Eli Lilly and Company | $372,488 | $374,222 | $746,710 | 0.1% | $735,240 | Healthcare |
| V Visa Inc. | $384,142 | $281,398 | $665,540 | 0.1% | $706,451 | Financial Services |
| IBM International Business Machines | $212,450 | $288,240 | $500,690 | 0.1% | $417,090 | Technology |
Largest Shared Position
Applied Materials, Inc. (AMAT) represents the largest overlapping position between Matrix Advisors Value Fund and Lountzis Asset Management based on the latest reported SEC Form 13F filings for the quarter ended June 30, 2026. The combined disclosed value of AMAT positions reported by both investment firms is approximately $107.98M, reflecting overlapping institutional exposure to Applied Materials, Inc..
Shared Sector Exposure
| Sector | Combined value | Shared holdings |
|---|---|---|
| Financial Services | $239.27M | AON, BK, BRK-B, JPM, USB, V, WFC |
| Technology | $221.11M | AAPL, AMAT, IBM, MSFT, NVDA |
| Communication Services | $90.13M | GOOG, GOOGL, META |
| Consumer Defensive | $41.28M | PEP |
| Other | $22.42M | VOO |
| Consumer Cyclical | $21.17M | LOW |
| Healthcare | $17.53M | ABBV, ABT, JNJ, LLY |
| Energy | $1.16M | XOM |
Consensus Smart Money Signals
Shared holdings between Matrix Advisors Value Fund and Lountzis Asset Management 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: AMAT ($107.98M combined).
- Highest average portfolio weight in overlap: AMAT (13.0% conviction score).
- Largest estimated mark-to-market gain since filing: MSFT ($21.38M vs reported combined value, where EOD data is available).
Historical Overlap Trend
The overlap between Matrix Advisors Value Fund and Lountzis Asset Management increased between Q1 2001 and Q2 2001, with 23 shared holdings in the latest period ($654.07M combined reported value) versus 20 in the prior period ($563.09M).
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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