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.
Sound Shore Management & Cullen Value Fund Portfolio Overlap
Shared 13F holdings between Sound Shore Management and Cullen Value Fund based on latest reported SEC filings (the quarter ended March 31, 2026).
Overlap Score
38
Limited overlap
Shared Holdings
18 shared positions across both portfolios (40 holdings for Sound Shore Management, 177 for Cullen Value Fund).
| Stock | Sound Shore Management value | Cullen Value Fund value | Combined value | Conviction | Est. current value | Sector |
|---|---|---|---|---|---|---|
| BRK-B Berkshire Hathaway Inc. New | $95.59M | $48.60M | $144.20M | 4.8% | — | Financial Services |
| BAC Bank of America Corporation | $100.70M | $1.45M | $102.15M | 1.8% | $118.45M | Financial Services |
| DIS Walt Disney Company (The) | $93.53M | $2.42M | $95.95M | 1.7% | $100.41M | Communication Services |
| AMZN Amazon.com, Inc. | $78.91M | $16.09M | $95.00M | 2.4% | $108.34M | Consumer Cyclical |
| CSX CSX Corporation | $82.19M | $1.23M | $83.42M | 1.5% | $92.60M | Industrials |
| N6596X109 NXP Semiconductors | $80.84M | $476,663 | $81.32M | 1.4% | — | — |
| PEG Public Service Enterprise Group | $79.71M | $1.49M | $81.20M | 1.4% | $79.64M | Utilities |
| PFE Pfizer, Inc. | $80.60M | $451,958 | $81.05M | 1.4% | $74.82M | Healthcare |
| MDT Medtronic | $71.51M | $9.53M | $81.04M | 1.8% | $73.08M | — |
| WFC Wells Fargo & Company | $71.84M | $8.58M | $80.42M | 1.8% | $84.67M | Financial Services |
| BP BP p.l.c. | $78.57M | $247,456 | $78.82M | 1.3% | $67.31M | Energy |
| GOOGL Alphabet Inc. | $73.52M | $4.40M | $77.93M | 1.5% | $98.58M | Communication Services |
| UPS United Parcel Service, Inc. | $71.63M | $2.82M | $74.45M | 1.4% | $79.56M | Industrials |
| BA Boeing Company (The) | $70.66M | $358,185 | $71.02M | 1.2% | $80.51M | Industrials |
| ICLR ICON | $69.38M | $240,464 | $69.62M | 1.2% | $90.14M | — |
| KMI Kinder Morgan, Inc. | $64.19M | $1.74M | $65.93M | 1.2% | $61.61M | Energy |
| QCOM QUALCOMM Incorporated | $54.71M | $1.34M | $56.04M | 1.0% | $92.68M | Technology |
| CVX Chevron Corporation | $2.04M | $4.56M | $6.60M | 0.3% | $5.66M | Energy |
Largest Shared Position
Berkshire Hathaway Inc. New (BRK-B) represents the largest overlapping position between Sound Shore Management and Cullen Value Fund based on the latest reported SEC Form 13F filings for the quarter ended March 31, 2026. The combined disclosed value of BRK-B positions reported by both investment firms is approximately $144.20M, reflecting overlapping institutional exposure to Berkshire Hathaway Inc. New.
Shared Sector Exposure
| Sector | Combined value | Shared holdings |
|---|---|---|
| Financial Services | $326.77M | BAC, BRK-B, WFC |
| Other | $231.97M | ICLR, MDT, N6596X109 |
| Industrials | $228.88M | BA, CSX, UPS |
| Communication Services | $173.88M | DIS, GOOGL |
| Energy | $151.34M | BP, CVX, KMI |
| Consumer Cyclical | $95.00M | AMZN |
| Utilities | $81.20M | PEG |
| Healthcare | $81.05M | PFE |
| Technology | $56.04M | QCOM |
Consensus Smart Money Signals
Shared holdings between Sound Shore Management and Cullen Value Fund 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: BRK-B ($144.20M combined).
- Highest average portfolio weight in overlap: BRK-B (4.8% conviction score).
- Largest estimated mark-to-market gain since filing: QCOM ($36.64M vs reported combined value, where EOD data is available).
Historical Overlap Trend
The overlap between Sound Shore Management and Cullen Value Fund increased between Q4 2001 and Q1 2001, with 18 shared holdings in the latest period ($1.43B combined reported value) versus 13 in the prior period ($1.27B).
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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