StockDriftsStockDriftsTop 50 Parthenon LLC Holdings
| Stock | Company | % Port. | Shares | Value | Activity | Ownership | Avg. Cost | Date |
|---|---|---|---|---|---|---|---|---|
| MSFT | MICROSOFT CORP | 12.05% | 227.2K | $116.5M | -0.04%(-102) | $36.49(+1327.91%) | 2026-09-30 | |
| BRK.B | BERKSHIRE HATHAWAY INC DEL | 7.03% | 136.6K | $68.0M | -0.11%(-144) | $92.20(+493.25%) | 2026-09-30 | |
| GOOGL | ALPHABET INC | 5.33% | 149.9K | $51.6M | -1.04%(-1.57K) | $37.54(+763.64%) | 2026-09-30 | |
| META | META PLATFORMS INC | 5.07% | 67.7K | $49.1M | +0.21%(+140) | $182.66(+255.22%) | 2026-09-30 | |
| AAPL | APPLE INC | 4.32% | 125.6K | $41.8M | -1.12%(-1.43K) | $50.16(+594.16%) | 2026-09-30 | |
| GOOG | ALPHABET INC | 3.84% | 109.0K | $37.1M | -0.43%(-470) | $32.92(+874.44%) | 2026-09-30 | |
| GLW | CORNING INC | 3.63% | 228.5K | $35.1M | -0.15%(-332) | $15.05(+723.92%) | 2026-09-30 | |
| JNJ | JOHNSON & JOHNSON | 3.28% | 119.8K | $31.7M | -0.22%(-259) | $73.20(+265.57%) | 2026-09-30 | |
| FAST | FASTENAL CO | 2.65% | 517.1K | $25.6M | -1.92%(-10.12K) | $6.28(+739.82%) | 2026-09-30 | |
| PAYX | PAYCHEX INC | 2.53% | 248.3K | $24.5M | +0.13%(+325) | $30.02(+295.72%) | 2026-09-30 |
| Performance Metric | 3-Year Annualized | 3-Year Cumulative | 5-Year Annualized | 5-Year Cumulative |
|---|---|---|---|---|
| Top 20 Holdings Weighted | +17.00% | +60.17% | +11.36% | +71.26% |
| Top 20 Holdings Unweighted | +17.98% | +64.21% | +11.48% | +72.21% |
Parthenon LLC reports $967.31M in US-listed equity holdings across 129 positions in its most recent 13F filing. Its largest disclosed positions are MSFT (12.1%), BRK.B (7.0%) and GOOGL (5.3%). The top 20 holdings account for 68.42% of reported assets. Its disclosed equity book has returned +60.17% on a three-year cumulative basis. Figures reflect the Q3 2026 filing.
Portfolio changes
Every reported change this quarter, grouped by direction. The signal is in the rotation, not any single trade.
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Holdings on this page are parsed from Parthenon LLC’s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1088859). View Parthenon LLC’s 13F filings on SEC