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Route One Investment Company, L.P.

CIK 1512171 · latest 13F filed 14 August 2026 · Read the filing on EDGAR

Route One Investment Company, L.P. reported 19 US-listed holdings worth $2.42 billion in its 13F for the quarter ended 30 June 2026, filed 14 August 2026. Its largest: Post Holdings, Inc. (10.8%), Amazon.com Inc. (10.2%) and Guidewire Software, Inc. (9.4%). Against the quarter before, it opened 2 positions, added to 7, trimmed 2 and sold out of 1.

Reported holdings$2.42B+5.8% on Q1 2026
Positions19+1 on Q1 2026
The largest ten79.8%of its reported holdings
Latest 13FQ2 2026filed 14 August 2026
Where the money is
Added toHeldTrimmed
POST10.8%AMZN10.2%GWRE9.4%GOOG8.5%UNH8.4%SCHW8.4%NYT7.1%KRC6.6%TMO5.8%MELI4.6%HLF4.5%TBBB3.8%VIST3.2%VEEV1.6%5 more7.0%

The 14 largest of its 19 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q1 2026.

Reported holdings, quarter by quarter
Q3 2024: $2.78 billion in 15 positions$2.78BQ3 24Q4 2024: $2.51 billion in 13 positions$2.51BQ4 24Q1 2025: $2.35 billion in 13 positions$2.35BQ1 25Q2 2025: $2.23 billion in 14 positions$2.23BQ2 25Q3 2025: $2.45 billion in 16 positions$2.45BQ3 25Q4 2025: $2.40 billion in 15 positions$2.40BQ4 25Q1 2026: $2.28 billion in 18 positions$2.28BQ1 26Q2 2026: $2.42 billion in 19 positions$2.42BQ2 26

What the fund reported holding at each quarter's end; hover a bar for the number of positions

What it did on the quarter

Opened 2Added 7Held 8Trimmed 2Sold out 1
Opened: 2Added: 7Held: 8Trimmed: 2Sold out: 1

Its positions against its 13F for the quarter to 31 March 2026; a change under 0.1% of a position counts as held

Opened 2

  1. Visa Inc. V$36.6 million
  2. Mastercard Inc. MA$36.2 million

Added to 7

  1. Charles Schwab Corp. SCHW+507,650 shares · +30%
  2. MercadoLibre, Inc. MELI+20,775 shares · +46%
  3. BBB Foods Inc. TBBB+694,905 shares · +45%
  4. Thermo Fisher Scientific Inc. TMO+21,700 shares · +8%
  5. Kilroy Realty Corp. KRC+198,650 shares · +5%
  6. Veeva Systems Inc. VEEV+29,150 shares · +16%
  7. Herbalife Ltd HLF+121,500 shares · +1%

Trimmed 2

  1. Alphabet Inc. GOOG-105,030 shares · -15%
  2. UnitedHealth Group Inc. UNH-45,150 shares · -8%

Sold out of 1

  1. Essex Property Trust, Inc. ESS$72.1 million last quarter

What it holds

CompanySharesValueOf its bookChange in shares
Post Holdings, Inc. POST2,950,568$260.4 million10.78%no change
Amazon.com Inc. AMZN1,032,200$246.0 million10.18%no change
Guidewire Software, Inc. GWRE1,849,364$227.6 million9.42%no change
Alphabet Inc. GOOG584,050$206.4 million8.54%-105,030
UnitedHealth Group Inc. UNH487,725$202.7 million8.39%-45,150
Charles Schwab Corp. SCHW2,189,893$202.1 million8.36%+507,650
New York Times Co. NYT2,458,659$172.1 million7.12%no change
Kilroy Realty Corp. KRC4,248,213$159.2 million6.59%+198,650
Thermo Fisher Scientific Inc. TMO280,400$140.6 million5.82%+21,700
MercadoLibre, Inc. MELI65,560$111.3 million4.61%+20,775
Herbalife Ltd HLF8,348,800$109.8 million4.54%+121,500
BBB Foods Inc. TBBB2,224,201$92.7 million3.84%+694,905
Vista Energy S.a.b. De C.V. VIST1,216,700$77.6 million3.21%no change
Veeva Systems Inc. VEEV211,350$37.5 million1.55%+29,150
Procore Technologies Inc. PCOR918,205$37.3 million1.54%no change
Visa Inc. V106,700$36.6 million1.52%new
Mastercard Inc. MA70,500$36.2 million1.50%new
Banco Macro SA BMA332,111$30.8 million1.27%no change
Grupo Financiero Galicia S A GGAL579,350$29.0 million1.20%no change
Every US-listed position in the fund's 13F for the quarter ended 30 June 2026, by the value it reported.
Read moreChange is shares against its 13F for the quarter before; the 1 it sold out of are in the box above.

Options it reported

CompanyOptionShares under the optionsValue of those shares
SPDR S&P 500 SPYPuts100,000$74.7 million

1 option lines. A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost; they are not counted in the holdings above.