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.
Ariel Appreciation Fund & Third Avenue Management Portfolio Overlap
Shared 13F holdings between Ariel Appreciation Fund and Third Avenue Management based on latest reported SEC filings (the quarter ended June 30, 2026).
Overlap Score
3
Minimal overlap
Shared Holdings
2 shared positions across both portfolios (104 holdings for Ariel Appreciation Fund, 54 for Third Avenue Management).
Largest Shared Position
Jones Lang LaSalle Incorporated (JLL) represents the largest overlapping position between Ariel Appreciation Fund and Third Avenue Management based on the latest reported SEC Form 13F filings for the quarter ended June 30, 2026. The combined disclosed value of JLL positions reported by both investment firms is approximately $338.56M, reflecting overlapping institutional exposure to Jones Lang LaSalle Incorporated.
Shared Sector Exposure
| Sector | Combined value | Shared holdings |
|---|---|---|
| Real Estate | $403.14M | CBRE, JLL |
Consensus Smart Money Signals
Shared holdings between Ariel Appreciation Fund and Third Avenue 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: JLL ($338.56M combined).
- Highest average portfolio weight in overlap: JLL (2.4% conviction score).
- Largest estimated mark-to-market gain since filing: JLL ($33.02M vs reported combined value, where EOD data is available).
Historical Overlap Trend
The overlap between Ariel Appreciation Fund and Third Avenue Management was unchanged between Q1 2001 and Q2 2001, with 2 shared holdings in the latest period ($403.14M combined reported value) versus 2 in the prior period ($375.68M).
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 |
Related Overlap Pages
- Ariel Appreciation Fund portfolio
- Third Avenue Management portfolio
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