Q2 2026 13F · SEC CIK 1512171
Route One Investment Company, L.P.
Hedge fundFiled 2026-08-14 for Q2 2026. Open the filing ↗ · All SEC filings ↗
- Reported 13F value
- $2.4B
- Reported positions
- 19
- Top holdings a year, 3 yrs
- +13.2%
- Assets under management
- $4.7B
Route One Investment Company, L.P. is a hedge fund that reported 19 positions worth $2.4B in its Q2 2026 13F, filed 2026-08-14. Its largest holdings were Post Hldgs Inc (POST, 10.8%), Amazon Com Inc (AMZN, 10.2%), Guidewire Software Inc (GWRE, 9.4%). A portfolio copying its top holdings returned 13.2% a year over the last 3 years, against 20.4% for the S&P 500.
Route One Investment Company, L.P. holdings all 19 positions.
Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.
| Stock | % of 13F value | Share change | Reported value |
|---|---|---|---|
| POSTPost Hldgs Inc | 10.8% | +0.0% | $260.4M |
| AMZNAmazon Com Inc | 10.2% | +0.0% | $246.0M |
| GWREGuidewire Software Inc | 9.4% | +0.0% | $227.6M |
| GOOGAlphabet Inc | 8.5% | -15.2% | $206.4M |
| UNHUnitedhealth Group Inc | 8.4% | -8.5% | $202.7M |
| SCHWCharles Schwab Corp (the) | 8.4% | +30.2% | $202.1M |
| NYTNew York Times Co Mtn Be | 7.1% | +0.0% | $172.1M |
| KRCKilroy Realty Corp | 6.6% | +4.9% | $159.2M |
| TMOThermo Fisher Scientific Inc | 5.8% | +8.4% | $140.6M |
| MELIMercadolibre Inc | 4.6% | +46.4% | $111.3M |
| HLFHerbalife Ltd | 4.5% | +1.5% | $109.8M |
| TBBBBbb Foods Inc | 3.8% | +45.4% | $92.7M |
| VISTVista Energy S.a.b. de C.v. | 3.2% | +0.0% | $77.6M |
| VEEVVeeva Sys Inc | 1.6% | +16.0% | $37.5M |
| PCORProcore Technologies Inc | 1.5% | +0.0% | $37.3M |
| VVisa Inc | 1.5% | — | $36.6M |
| MAMastercard Incorporated | 1.5% | — | $36.2M |
| BMABanco Macro S A | 1.3% | +0.0% | $30.8M |
| GGALGrupo Financiero Galicia S.a | 1.2% | +0.0% | $29.0M |
What Route One Investment Company, L.P. bought and sold in Q2 2026, against Q1 2026.
New positions
- V Visa Inc1.5% of 13F
- MA Mastercard Incorporated1.5% of 13F
Added to
- MELI Mercadolibre Inc+46.4% shares
- TBBB Bbb Foods Inc+45.4% shares
- SCHW Charles Schwab Corp (the)+30.2% shares
- VEEV Veeva Sys Inc+16.0% shares
- TMO Thermo Fisher Scientific Inc+8.4% shares
Reduced
- GOOG Alphabet Inc-15.2% shares
- UNH Unitedhealth Group Inc-8.5% shares
Sold out
- ESS Essex Ppty Tr Incwas 3.2%
Share counts compared with the Q1 2026 13F; a split also changes share counts.
How the holdings did against the S&P 500.
- 1 year
- +3.4% /yr
- S&P 500 +20.1%
- 3 years
- +13.2% /yr
- S&P 500 +20.4%
- 5 years
- +6.9% /yr
- S&P 500 +11.6%
A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.
Reported 13F value by quarter.
| Quarter | 13F value | Positions |
|---|---|---|
| Q2 2026 | $2.4B | 19 |
| Q1 2026 | $2.3B | 18 |
| Q4 2025 | $2.4B | 15 |
| Q3 2025 | $2.5B | 16 |
| Q2 2025 | $2.2B | 14 |
| Q1 2025 | $2.3B | 13 |
| Q4 2024 | $2.5B | 13 |
| Q3 2024 | $2.8B | 15 |
| Q2 2024 | $2.6B | 15 |
| Q1 2024 | $2.5B | 16 |
| Q4 2023 | $2.7B | 15 |
| Q3 2023 | $2.6B | 14 |
Questions about Route One Investment Company, L.P.'s portfolio
What stocks does Route One Investment Company, L.P. own?
Route One Investment Company, L.P.'s latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 19 positions worth $2.4B. The largest are Post Hldgs Inc (POST) at 10.8%, Amazon Com Inc (AMZN) at 10.2%, Guidewire Software Inc (GWRE) at 9.4%, Alphabet Inc (GOOG) at 8.5% and Unitedhealth Group Inc (UNH) at 8.4%.
What did Route One Investment Company, L.P. buy last quarter?
In Q2 2026, Route One Investment Company, L.P. added a new position in Visa Inc (V), a new position in Mastercard Incorporated (MA), Mercadolibre Inc (MELI) (+46.4% shares), Bbb Foods Inc (TBBB) (+45.4% shares) and Charles Schwab Corp (the) (SCHW) (+30.2% shares), compared with its Q1 2026 filing.
What did Route One Investment Company, L.P. sell last quarter?
In Q2 2026, Route One Investment Company, L.P. sold all of Essex Ppty Tr Inc (ESS), Alphabet Inc (GOOG) (-15.2% shares) and Unitedhealth Group Inc (UNH) (-8.5% shares), compared with its Q1 2026 filing.
How has Route One Investment Company, L.P.'s portfolio performed?
A portfolio copying Route One Investment Company, L.P.'s 20 largest 13F holdings each quarter, from the day each filing was public, returned +13.2% a year over the last 3 years, against +20.4% for the S&P 500. Over 1 year: +3.4% against +20.1%. Over 5 years: +6.9% a year against +11.6%.
When is Route One Investment Company, L.P.'s next 13F filing due?
13F filings are due 45 days after each quarter ends. Route One Investment Company, L.P.'s filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.
How much money does Route One Investment Company, L.P. manage?
Route One Investment Company, L.P. reported $4.7B of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $2.4B.