PRIMECAP Management Buys Wells Fargo, Siemens AG, Transocean, Sells NVIDIA Corp, Abaxis Inc, Walt Disney Co

• New Purchases: ELAN, ALB, 06160, CBOE, ARNA, ARLO, CWH, HES, WSC, AVYA,
• Added Positions: WFC, SIE, AAL, RIG, WHR, OLED, ACM, FLEX, PXD, AZN,
• Reduced Positions: NVDA, ADBE, DIS, MSFT, NTAP, DXC, V, ABMD, AMGN, RBA,
• Sold Out: ABAX, BBBY, MATX, ASIX, HGV, PK, SKX,

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

1. Eli Lilly and Co (LLY) - 54,791,568 shares, 3.97% of the total portfolio. Shares reduced by 0.56%
2. Adobe Inc (ADBE) - 20,932,105 shares, 3.81% of the total portfolio. Shares reduced by 3.09%
3. Biogen Inc (BIIB) - 14,873,796 shares, 3.55% of the total portfolio. Shares reduced by 0.32%
4. Southwest Airlines Co (LUV) - 73,955,888 shares, 3.12% of the total portfolio. Shares added by 0.33%
5. Microsoft Corp (MSFT) - 39,817,635 shares, 3.07% of the total portfolio. Shares reduced by 3.35%

PRIMECAP Management initiated holding in Elanco Animal Health Inc. The purchase prices were between $34.1 and $36.19, with an estimated average price of $35.17. The stock is now traded at around $34.20. The impact to a portfolio due to this purchase was 0.09%. The holding were 3,750,000 shares as of 2018-09-30.

PRIMECAP Management initiated holding in Albemarle Corp. The purchase prices were between $90.9 and $106.6, with an estimated average price of $96.75. The stock is now traded at around $100.54. The impact to a portfolio due to this purchase was 0.07%. The holding were 1,081,380 shares as of 2018-09-30.

PRIMECAP Management initiated holding in BeiGene Ltd. The purchase prices were between $93.2 and $107.4, with an estimated average price of $100.29. The stock is now traded at around $71.80. The impact to a portfolio due to this purchase was 0.06%. The holding were 6,350,100 shares as of 2018-09-30.

PRIMECAP Management initiated holding in Cboe Global Markets Inc. The purchase prices were between $92.1 and $106.02, with an estimated average price of $100.46. The stock is now traded at around $108.29. The impact to a portfolio due to this purchase was 0.04%. The holding were 647,600 shares as of 2018-09-30.

PRIMECAP Management initiated holding in Arena Pharmaceuticals Inc. The purchase prices were between $35.74 and $46.02, with an estimated average price of $40.54. The stock is now traded at around $35.16. The impact to a portfolio due to this purchase was 0.03%. The holding were 988,399 shares as of 2018-09-30.

PRIMECAP Management initiated holding in Arlo Technologies Inc. The purchase prices were between $13.54 and $23.08, with an estimated average price of $18.69. The stock is now traded at around $13.53. The impact to a portfolio due to this purchase was 0.02%. The holding were 2,148,400 shares as of 2018-09-30.

PRIMECAP Management added to a holding in Wells Fargo & Co by 47.13%. The purchase prices were between $52.56 and $59.19, with an estimated average price of $57.1. The stock is now traded at around $53.11. The impact to a portfolio due to this purchase was 0.44%. The holding were 38,512,187 shares as of 2018-09-30.

PRIMECAP Management added to a holding in Siemens AG by 38.96%. The purchase prices were between $108.2 and $120.78, with an estimated average price of $113.05. The stock is now traded at around $100.16. The impact to a portfolio due to this purchase was 0.29%. The holding were 12,021,097 shares as of 2018-09-30.

PRIMECAP Management added to a holding in Transocean Ltd by 129.00%. The purchase prices were between $10.65 and $14.08, with an estimated average price of $12.42. The stock is now traded at around $9.75. The impact to a portfolio due to this purchase was 0.17%. The holding were 32,168,839 shares as of 2018-09-30.

PRIMECAP Management added to a holding in Whirlpool Corp by 36.14%. The purchase prices were between $118.75 and $155.77, with an estimated average price of $132.65. The stock is now traded at around $118.22. The impact to a portfolio due to this purchase was 0.16%. The holding were 7,650,140 shares as of 2018-09-30.

PRIMECAP Management added to a holding in Universal Display Corp by 65.57%. The purchase prices were between $83.55 and $128.95, with an estimated average price of $109.71. The stock is now traded at around $87.61. The impact to a portfolio due to this purchase was 0.1%. The holding were 3,076,303 shares as of 2018-09-30.

PRIMECAP Management added to a holding in AECOM by 26.97%. The purchase prices were between $32.09 and $34.31, with an estimated average price of $32.97. The stock is now traded at around $32.16. The impact to a portfolio due to this purchase was 0.09%. The holding were 19,076,501 shares as of 2018-09-30.

PRIMECAP Management sold out a holding in Abaxis Inc. The sale prices were between $83 and $83.35, with an estimated average price of $83.15.

PRIMECAP Management sold out a holding in Bed Bath & Beyond Inc. The sale prices were between $14.86 and $21.23, with an estimated average price of $18.73.

PRIMECAP Management sold out a holding in Matson Inc. The sale prices were between $35.06 and $39.64, with an estimated average price of $37.04.

PRIMECAP Management sold out a holding in AdvanSix Inc. The sale prices were between $32.32 and $40.47, with an estimated average price of $35.91.

PRIMECAP Management sold out a holding in Hilton Grand Vacations Inc. The sale prices were between $30.85 and $35.65, with an estimated average price of $33.32.

PRIMECAP Management sold out a holding in Park Hotels & Resorts Inc. The sale prices were between $30.49 and $34.01, with an estimated average price of $32.27.