Route One Investment Company, L.P. 13F: Quarter-over-Quarter Portfolio Changes
Route One Investment Company, L.P. reported a disclosed portfolio value of approximately $2.4 billion in its latest SEC Form 13F-HR filing for Q2 2026, up 5.8% quarter on quarter. Over the quarter, the fund initiated 2 new positions, bought more shares in 7 holdings, trimmed 2 holdings, and exited 1 position.
Route One Investment Company, L.P.'s top buy was a new stake in Visa Inc-Class a Shrs (V) , equal to 1.5% of the disclosed portfolio. Its top sell was Essex Ppty Tr INC (ESS) . The fund exited the position completely after it had accounted for 3.2% of the previous portfolio.
New PositionsQ2 2026
Securities disclosed for the first time in Q2 2026 that were not present in the prior 13F-HR filing.
| Company | Ticker | Initial Portfolio Weight | History |
|---|---|---|---|
| VISA INC-CLASS A SHRS | V | 1.5% | Holders → |
| MASTERCARD INC-CLASS A | MA | 1.5% | Holders → |
Top BuysQ2 2026
The fund's top buys among existing positions in Q2 2026. Ranked by portfolio-weight impact, with the percentage of additional shares shown separately.
| Company | Ticker | Portfolio Weight Change | More Shares | History |
|---|---|---|---|---|
| MERCADOLIBRE INC | MELI | +1.2% | +46.4% | History → |
| BBB FOODS INC | TBBB | +1.5% | +45.4% | Holders → |
| SCHWAB CHARLES CORP | SCHW | +1.4% | +30.2% | History → |
| VEEVA SYS INC | VEEV | +0.2% | +16.0% | Holders → |
| THERMO FISHER SCIENTIFIC INC | TMO | +0.3% | +8.4% | History → |
| KILROY RLTY CORP | KRC | +1.6% | +4.9% | History → |
| HERBALIFE LTD | HLF | +-0.8% | +1.5% | Holders → |
Top SellsQ2 2026
The fund's top sells among positions it retained in Q2 2026. Ranked by portfolio-weight impact. Full exits are listed separately.
| Company | Ticker | Portfolio Weight Change | Shares Sold | History |
|---|---|---|---|---|
| ALPHABET INC | GOOG | -0.1% | 15.2% | History → |
| UNITEDHEALTH GROUP INC | UNH | 2.1% | 8.5% | History → |
Full ExitsQ2 2026
Positions present in the prior 13F-HR filing that no longer appear in Q2 2026.
| Company | Ticker | Last-Reported Portfolio Weight |
|---|---|---|
| ESSEX PPTY TR INC | ESS | 3.2% |
Net Portfolio Value ChangeQ2 2026
- $2.3BPrior quarter
- $2.4BCurrent quarter
- +$0.1BNet delta
- +5.8%% change
Methodology & FAQ
How Route One Investment Company, L.P. Quarterly Changes Are Computed
All deltas are sourced from sequential SEC Form 13F-HR filings for Route One Investment Company, L.P.: each row joins the most recent filing against the immediately preceding quarterly filing for the same fund. Share-count changes reflect reported trading activity, while portfolio weights can also move because of market price changes. Portfolio weights are normalized to exclude listed options for comparability. A complete description, including how confidential treatment filings are handled, is documented in the Methodology.
What stocks did Route One Investment Company, L.P. buy in Q2 2026?
In Q2 2026, Route One Investment Company, L.P. initiated 2 new positions (VISA INC-CLASS A SHRS (V), MASTERCARD INC-CLASS A (MA)); bought more shares of MERCADOLIBRE INC (MELI), BBB FOODS INC (TBBB), SCHWAB CHARLES CORP (SCHW), VEEVA SYS INC (VEEV), THERMO FISHER SCIENTIFIC INC (TMO) (the largest 5 of 7 adds).
What stocks did Route One Investment Company, L.P. sell in Q2 2026?
In Q2 2026, Route One Investment Company, L.P. fully sold 1 position (ESSEX PPTY TR INC (ESS)); reduced holdings in ALPHABET INC (GOOG), UNITEDHEALTH GROUP INC (UNH).
Which positions did Route One Investment Company, L.P. initiate in Q2 2026?
Route One Investment Company, L.P. established 2 new positions in Q2 2026: VISA INC-CLASS A SHRS (V, 1.5%), MASTERCARD INC-CLASS A (MA, 1.5%).
Which existing positions saw the largest allocation increases for Route One Investment Company, L.P. in Q2 2026?
Of 7 existing positions with share-count increases in Q2 2026, the largest were: MERCADOLIBRE INC (MELI, +1.2% weight, +46.4% shares), BBB FOODS INC (TBBB, +1.5% weight, +45.4% shares), SCHWAB CHARLES CORP (SCHW, +1.4% weight, +30.2% shares), VEEVA SYS INC (VEEV, +0.2% weight, +16.0% shares), THERMO FISHER SCIENTIFIC INC (TMO, +0.3% weight, +8.4% shares), KILROY RLTY CORP (KRC, +1.6% weight, +4.9% shares), HERBALIFE LTD (HLF, +-0.8% weight, +1.5% shares).
Which positions did Route One Investment Company, L.P. fully exit in Q2 2026?
Route One Investment Company, L.P. fully exited 1 position in Q2 2026: ESSEX PPTY TR INC (ESS, last-reported weight 3.2%).
Which existing positions saw the largest allocation reductions for Route One Investment Company, L.P. in Q2 2026?
Of 2 existing positions with share-count reductions in Q2 2026, the largest were: ALPHABET INC (GOOG, -0.1% weight, -15.2% shares), UNITEDHEALTH GROUP INC (UNH, 2.1% weight, -8.5% shares).
Do quarter-over-quarter 13F allocation changes constitute explicit trading signals?
No. Quarter-over-quarter changes reflect a combination of active trading and market price movement. A weight increase can result from price appreciation alone, without the manager adding shares. Share-count delta is the cleaner indicator of explicit trading activity. All deltas on this page are sourced from sequential SEC Form 13F-HR filings.