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.
Akre Capital Management & ShawSpring Partners Portfolio Overlap
Shared 13F holdings between Akre Capital Management and ShawSpring Partners based on latest reported SEC filings (the quarter ended June 30, 2026).
Overlap Score
5
Minimal overlap
Shared Holdings
1 shared position across both portfolios (18 holdings for Akre Capital Management, 12 for ShawSpring Partners).
| Stock | Akre Capital Management value | ShawSpring Partners value | Combined value | Conviction | Est. current value | Sector |
|---|---|---|---|---|---|---|
| CSGP CoStar Group, Inc. | $331.33M | $13.68M | $345.01M | 5.8% | $365.49M | Real Estate |
Largest Shared Position
CoStar Group, Inc. (CSGP) represents the largest overlapping position between Akre Capital Management and ShawSpring Partners based on the latest reported SEC Form 13F filings for the quarter ended June 30, 2026. The combined disclosed value of CSGP positions reported by both investment firms is approximately $345.01M, reflecting overlapping institutional exposure to CoStar Group, Inc..
Shared Sector Exposure
| Sector | Combined value | Shared holdings |
|---|---|---|
| Real Estate | $345.01M | CSGP |
Consensus Smart Money Signals
Shared holdings between Akre Capital Management and ShawSpring Partners 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: CSGP ($345.01M combined).
- Highest average portfolio weight in overlap: CSGP (5.8% conviction score).
- Largest estimated mark-to-market gain since filing: CSGP ($20.48M vs reported combined value, where EOD data is available).
Historical Overlap Trend
The latest period shows 1 shared holdings ($431.13M combined reported value).
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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