Ruane, Cunniff & Goldfarb L.P. Buys JD.com Inc, Alibaba Group Holding, Builders FirstSource Inc, Sells TJX Inc, Amazon.com Inc, Mastercard Inc

• New Purchases: BABA, AAPL, CARG, RMNI,
• Added Positions: JD, FB, BLDR, YNDX, DHI, IQ, MTH, NETS, LND,
• Reduced Positions: TJX, AMZN, MA, FWONK, V, BRK.A, KMX, JEC, GOOG, BRK.B,
• Sold Out: IRS, IRCP, SECO,

For the details of Ruane Cunniff's stock buys and sells, go to http://www.gurufocus.com/StockBuy.php?GuruName=Ruane+Cunniff

1. Alphabet Inc (GOOG) - 842,906 shares, 9.25% of the total portfolio. Shares reduced by 1.4%
2. Alphabet Inc (GOOGL) - 825,570 shares, 9.17% of the total portfolio. Shares reduced by 0.59%
3. Berkshire Hathaway Inc (BRK.A) - 2,855 shares, 8.4% of the total portfolio. Shares reduced by 2.76%
4. CarMax Inc (KMX) - 11,742,799 shares, 8.07% of the total portfolio. Shares reduced by 1.73%
5. Amazon.com Inc (AMZN) - 346,141 shares, 6.38% of the total portfolio. Shares reduced by 28.32%

Ruane, Cunniff & Goldfarb L.P. initiated holding in Alibaba Group Holding Ltd. The purchase prices were between $156.36 and $197.98, with an estimated average price of $176.96. The stock is now traded at around $149.43. The impact to a portfolio due to this purchase was 0.45%. The holding were 300,000 shares as of 2018-09-30.

Ruane, Cunniff & Goldfarb L.P. initiated holding in Apple Inc. The purchase prices were between $183.92 and $228.36, with an estimated average price of $208.3. The stock is now traded at around $190.12. The impact to a portfolio due to this purchase was less than 0.01%. The holding were 1,000 shares as of 2018-09-30.

Ruane, Cunniff & Goldfarb L.P. initiated holding in CarGurus Inc. The purchase prices were between $35.48 and $55.91, with an estimated average price of $46.22. The stock is now traded at around $40.37. The impact to a portfolio due to this purchase was less than 0.01%. The holding were 5,248 shares as of 2018-09-30.

Ruane, Cunniff & Goldfarb L.P. initiated holding in Rimini Street Inc. The purchase prices were between $4.5 and $8.4, with an estimated average price of $6.43. The stock is now traded at around $5.45. The impact to a portfolio due to this purchase was less than 0.01%. The holding were 10,495 shares as of 2018-09-30.

Ruane, Cunniff & Goldfarb L.P. added to a holding in JD.com Inc by 43.47%. The purchase prices were between $24.51 and $39.46, with an estimated average price of $32.82. The stock is now traded at around $22.85. The impact to a portfolio due to this purchase was 0.63%. The holding were 8,651,287 shares as of 2018-09-30.

Ruane, Cunniff & Goldfarb L.P. added to a holding in Builders FirstSource Inc by 35.77%. The purchase prices were between $14.68 and $18.82, with an estimated average price of $16.94. The stock is now traded at around $12.94. The impact to a portfolio due to this purchase was 0.27%. The holding were 7,612,894 shares as of 2018-09-30.

Ruane, Cunniff & Goldfarb L.P. added to a holding in Yandex NV by 52.94%. The purchase prices were between $29.71 and $38.62, with an estimated average price of $33.84. The stock is now traded at around $28.60. The impact to a portfolio due to this purchase was 0.1%. The holding were 910,000 shares as of 2018-09-30.

Ruane, Cunniff & Goldfarb L.P. added to a holding in D.R. Horton Inc by 40.00%. The purchase prices were between $39.54 and $46.47, with an estimated average price of $43.28. The stock is now traded at around $34.88. The impact to a portfolio due to this purchase was 0.08%. The holding were 700,000 shares as of 2018-09-30.

Ruane, Cunniff & Goldfarb L.P. added to a holding in Brasilagro - Cia Bras de Prop Agricolas by 40.90%. The purchase prices were between $3.33 and $3.85, with an estimated average price of $3.58. The stock is now traded at around $3.93. The impact to a portfolio due to this purchase was less than 0.01%. The holding were 18,965 shares as of 2018-09-30.

Ruane, Cunniff & Goldfarb L.P. sold out a holding in IRSA Inversiones y Representaciones SA. The sale prices were between $13.88 and $18.67, with an estimated average price of $16.81.

Ruane, Cunniff & Goldfarb L.P. sold out a holding in IRSA Propiedades Comerciales SA. The sale prices were between $23.76 and $34.49, with an estimated average price of $28.83.

Ruane, Cunniff & Goldfarb L.P. sold out a holding in Secoo Holding Ltd. The sale prices were between $8.46 and $14.65, with an estimated average price of $12.59.