Route One Investment Company, L.P.
In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 15, 2024), Route One Investment Company, L.P. reported 16 stock positions worth $2.5 billion. Its top holding was Post (POST) at 21.8% of the portfolio, followed by Guidewire Software (GWRE, 13.2%) and Amazon.com (AMZN, 11.9%). Compared with Q4 2023, it opened 1 new position, added to 2 and reduced 6. The biggest buy was Unitedhealth (UNH, shares +35%) and the biggest sale Bellring Brands (BRBR, shares −99%).
- Most Recent 13F
- Q2 2026
- Location
- San Francisco, CA
- CIK
- 0001512171
- Portfolio Value
- $2.5B (Q1 2024)
- SEC Filing
- 0000935836-24-000400 ↗ filed May 15, 2024
Holdings Value
Holdings 16 stocks · $2.5B
| POST Post Holdings Inc. filed as POST HLDGS INC | 21.76% | 5,174,290 | $549.9M | No change |
| GWRE Guidewire Software Inc. | 13.23% | 2,865,580 | $334.4M | No change |
| AMZN Amazon.com Inc. | 11.95% | 1,674,000 | $302.0M | Reduce -15.1% |
| UNH Unitedhealth Group Inc. | 7.50% | 383,250 | $189.6M | Add +35.2% |
| CRM Salesforce Inc. | 7.28% | 610,950 | $184.0M | Reduce -21.3% |
| SCHW Schwab (charles) Corp. | 7.17% | 2,504,643 | $181.2M | Reduce -10.5% |
| GOOG Alphabet Inc. Class C | 6.99% | 1,160,880 | $176.8M | No change |
| NYT New York Times Co. Class A | 6.49% | 3,794,259 | $164.0M | No change |
| AGRO Adecoagro SA | 5.06% | 11,612,980 | $128.0M | No change |
| TMO Thermo Fisher Scientific Inc. | 4.85% | 210,880 | $122.6M | No change |
| HLF Herbalife Ltd. | 3.43% | 8,631,411 | $86.7M | Reduce -16.3% |
| GOOGL Alphabet Inc. Class A | 2.45% | 410,960 | $62.0M | Reduce -47.0% |
| KRC Kilroy Realty Corp. | 0.81% | 561,780 | $20.5M | Add +26.2% |
| PCOR Procore Technologies Inc. | 0.59% | 182,500 | $15.0M | No change |
| BA The Boeing Co. | 0.42% | 54,500 | $10.5M | New |
| BRBR Bellring Brands Inc. | 0.02% | 25,000 | $595K | Reduce -99.4% |
Options reported separately and not counted above: QQQ puts ($111.0M), SPY puts ($104.6M).
Portfolio Sells Q4 2023 → Q1 2024
Portfolio Buys Q4 2023 → Q1 2024
Options Activity Q4 2023 → Q1 2024
| QQQ Invesco QQQ Trust Series 1 | put | Reduce -72.2% | 250,000 | $111.0M |
| SPY SS SPDR S&P 500 ETF Trust-US | put | Reduce -94.9% | 200,000 | $104.6M |
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 19 | $2.4B | POST, AMZN, GWRE, GOOG, UNH |
| Q1 2026 | 18 | $2.3B | POST, GWRE, AMZN, NYT, GOOG |
| Q4 2025 | 15 | $2.4B | GWRE, POST, AMZN, GOOG, NYT |
| Q3 2025 | 16 | $2.5B | GWRE, POST, AMZN, SCHW, NYT |
| Q2 2025 | 14 | $2.2B | GWRE, POST, AMZN, SCHW, NYT |
| Q1 2025 | 13 | $2.3B | POST, GWRE, SCHW, AMZN, UNH |
| Q4 2024 | 13 | $2.5B | POST, GWRE, AMZN, SCHW, UNH |
| Q3 2024 | 15 | $2.8B | GWRE, POST, AMZN, UNH, SCHW |
| Q2 2024 | 15 | $2.6B | POST, GWRE, AMZN, UNH, GOOG |
| Q1 2024 | 16 | $2.5B | POST, GWRE, AMZN, UNH, CRM |