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PARTHENON LLC

Location
LOUISVILLE, KY
Portfolio Value
Small $738,261,459
Diversification
Diversified
Filing Date
Global Rank
#2,095 / 8,603 ▼ 28 · as of Mar 2026
Top Industry
Software - Infrastructure 11.6%
3Y Alpha vs SPY
-5.4%
Period ended 3 months ago
Filed Apr 28, 2026 · 2mo
25 quarters · since Mar 2020

Clone Performance

Jul 2023–Jul 2026 · vs SPY

Hypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.

Cloned portfolio
+54.2%
SPY
+76.0%
Annualised alpha
-5.2%
Max drawdown
−14.0%

Estimate. 13F holdings are quarter-lagged and long-only, so the clone rebalances about 45 days after each period end — when the filing becomes public — and excludes options and short positions. Past performance does not predict future results.

Portfolio Concentration

104 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025
Top Position
11.4%
−2.1 pts
Top 5
36.1%
−2.0 pts
Top 10
54.7%
+1.2 pts
HHI
430
Jun 2023 → Mar 2026 · range 430 – 523
Diversified−26

Portfolio Trend

25 quarters · across all stocks

Sector Breakdown

As of Mar 31, 2026
Sector % Portfolio Value
Technology 28.3% $208,631,421
Financial Services 16.4% $121,312,648
Healthcare 14.3% $105,714,358
Consumer Defensive 13.4% $99,195,058
Communication Services 12.4% $91,716,428
Industrials 9.6% $71,194,036
Consumer Cyclical 4.6% $33,741,006
Energy 0.4% $2,757,318
Basic Materials 0.3% $2,343,166
Unclassified 0.2% $1,433,349
Utilities 0.0% $222,671

Last Quarter's Activity

Export CSV
Mar 31, 2026 vs Dec 31, 2025

Added To

Positions the filer increased
7 positions
Ticker Δ Shares Shares Value Open

Trimmed

Positions the filer reduced
25 positions
Ticker Δ Shares Shares Value Open

New Positions

Positions the filer opened this quarter
No qualifying positions this quarter.

Sold Out

Positions the filer fully exited
3 positions
Ticker Shares Value Open

Portfolio Positions

Export CSV View 13F filing
104 positions · $738,261,459 total · as of Mar 31, 2026
Showing 1–50 of 104 positions by value · page 1 of 3
Ticker Company Shares Value (USD) % of Portfolio History