StockDriftsStockDriftsTop 19 Route One Investment Company L P Holdings
| Stock | Company | % Port. | Shares | Value | Activity | Ownership | Avg. Cost | Date |
|---|---|---|---|---|---|---|---|---|
| POST | POST HLDGS INC | 10.78% | 2.95M | $260.4M | +0.00%(+0) | $47.08(+71.94%) | 2026-06-30 | |
| AMZN | AMAZON COM INC | 10.18% | 1.03M | $246.0M | +0.00%(+0) | $120.79(+117.45%) | 2026-06-30 | |
| GWRE | GUIDEWIRE SOFTWARE INC | 9.42% | 1.85M | $227.6M | +0.00%(+0) | $106.78(+64.43%) | 2026-06-30 | |
| GOOG | ALPHABET INC | 8.54% | 584.0K | $206.4M | -15.24%(-105.03K) | $47.16(+628.53%) | 2026-06-30 | |
| UNH | UNITEDHEALTH GROUP INC | 8.39% | 487.7K | $202.7M | -8.47%(-45.15K) | $313.42(+28.18%) | 2026-06-30 | |
| SCHW | SCHWAB CHARLES CORP | 8.36% | 2.19M | $202.1M | +30.18%(+507.65K) | $67.50(+64.58%) | 2026-06-30 | |
| NYT | NEW YORK TIMES CO | 7.12% | 2.46M | $172.1M | +0.00%(+0) | $41.80(+54.99%) | 2026-06-30 | |
| KRC | KILROY RLTY CORP | 6.59% | 4.25M | $159.2M | +4.91%(+198.65K) | $35.96(+0.96%) | 2026-06-30 | |
| TMO | THERMO FISHER SCIENTIFIC INC | 5.82% | 280.4K | $140.6M | +8.39%(+21.70K) | $505.13(+16.46%) | 2026-06-30 | |
| MELI | MERCADOLIBRE INC | 4.61% | 65.6K | $111.3M | +46.39%(+20.77K) | $1804.03(+2.25%) | 2026-06-30 |
| Performance Metric | 3-Year Annualized | 3-Year Cumulative | 5-Year Annualized | 5-Year Cumulative |
|---|---|---|---|---|
| Top 20 Holdings Weighted | +14.52% | +50.20% | +6.08% | +34.35% |
| Top 20 Holdings Unweighted | +16.30% | +57.32% | +5.20% | +28.86% |
Route One Investment Company L P reports $2.49B in US-listed equity holdings across 19 positions in its most recent 13F filing. Its largest disclosed positions are POST (10.8%), AMZN (10.2%) and GWRE (9.4%). The top 20 holdings account for 99.98% of reported assets. Its disclosed equity book has returned +50.20% on a three-year cumulative basis. Figures reflect the Q2 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 Route One Investment Company L P’s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1512171). View Route One Investment Company L P’s 13F filings on SEC