Frontier Capital Management Co Llc Buys Argo Group International Holdings, Centennial Resource Development Inc, Tesaro Inc, Sells Berry Global Group Inc, Acadia Healthcare Co Inc, Euronet Worldwide Inc

• New Purchases: ARGO, CDEV, BWXT, AAP, STAG, NOW, CVNA, ROK, AMRX, AERI,
• Added Positions: TSRO, WP, FMC, FN, INCY, QRVO, MRVL, BMRN, SMTC, LPLA,
• Reduced Positions: BERY, ACHC, EEFT, DAN, SBAC, CNDT, RHT, DPLO, ZTS, CDK,
• Sold Out: SEIC, IPXL, XRAY, KLXI, SRPT, XPER, RCII, IMAX, HRI, GBT,

For the details of FRONTIER CAPITAL MANAGEMENT CO LLC's stock buys and sells, go to http://www.gurufocus.com/StockBuy.php?GuruName=FRONTIER+CAPITAL+MANAGEMENT+CO+LLC

1. Semtech Corp (SMTC) - 4,407,687 shares, 1.47% of the total portfolio. Shares added by 18.40%
2. Global Payments Inc (GPN) - 1,804,356 shares, 1.43% of the total portfolio. Shares added by 0.81%
3. Allegheny Technologies Inc (ATI) - 7,990,410 shares, 1.42% of the total portfolio. Shares added by 3.18%
4. The Cooper Companies Inc (COO) - 825,561 shares, 1.38% of the total portfolio. Shares added by 18.03%
5. Qorvo Inc (QRVO) - 2,421,276 shares, 1.38% of the total portfolio. Shares added by 24.08%

Frontier Capital Management Co Llc initiated holding in Argo Group International Holdings Ltd. The purchase prices were between $55.85 and $64.15, with an estimated average price of $60.07. The stock is now traded at around $62.50. The impact to a portfolio due to this purchase was 0.64%. The holding were 1,544,593 shares as of 2018-06-30.

Frontier Capital Management Co Llc initiated holding in Centennial Resource Development Inc. The purchase prices were between $16.29 and $20.44, with an estimated average price of $18.1. The stock is now traded at around $18.51. The impact to a portfolio due to this purchase was 0.58%. The holding were 4,500,024 shares as of 2018-06-30.

Frontier Capital Management Co Llc initiated holding in BWX Technologies Inc. The purchase prices were between $61.55 and $70.94, with an estimated average price of $66.51. The stock is now traded at around $65.67. The impact to a portfolio due to this purchase was 0.4%. The holding were 910,796 shares as of 2018-06-30.

Frontier Capital Management Co Llc initiated holding in Advance Auto Parts Inc. The purchase prices were between $103.76 and $139.5, with an estimated average price of $121.4. The stock is now traded at around $143.26. The impact to a portfolio due to this purchase was 0.35%. The holding were 368,392 shares as of 2018-06-30.

Frontier Capital Management Co Llc initiated holding in Stag Industrial Inc. The purchase prices were between $23.35 and $27.29, with an estimated average price of $25.55. The stock is now traded at around $27.72. The impact to a portfolio due to this purchase was 0.33%. The holding were 1,687,058 shares as of 2018-06-30.

Frontier Capital Management Co Llc initiated holding in ServiceNow Inc. The purchase prices were between $158 and $186.42, with an estimated average price of $173.2. The stock is now traded at around $182.84. The impact to a portfolio due to this purchase was 0.32%. The holding were 264,162 shares as of 2018-06-30.

Frontier Capital Management Co Llc added to a holding in Tesaro Inc by 628.32%. The purchase prices were between $39.38 and $57.19, with an estimated average price of $48.61. The stock is now traded at around $35.28. The impact to a portfolio due to this purchase was 0.48%. The holding were 1,764,417 shares as of 2018-06-30.

Frontier Capital Management Co Llc added to a holding in Worldpay Inc by 88.49%. The purchase prices were between $77.85 and $85.4, with an estimated average price of $81.77. The stock is now traded at around $83.61. The impact to a portfolio due to this purchase was 0.38%. The holding were 1,415,248 shares as of 2018-06-30.

Frontier Capital Management Co Llc added to a holding in FMC Corp by 34.26%. The purchase prices were between $74.99 and $92.4, with an estimated average price of $85.54. The stock is now traded at around $86.54. The impact to a portfolio due to this purchase was 0.35%. The holding were 2,153,223 shares as of 2018-06-30.

Frontier Capital Management Co Llc added to a holding in Fabrinet by 458.74%. The purchase prices were between $28.16 and $37.59, with an estimated average price of $34.19. The stock is now traded at around $39.50. The impact to a portfolio due to this purchase was 0.32%. The holding were 1,477,476 shares as of 2018-06-30.

Frontier Capital Management Co Llc added to a holding in Incyte Corp by 146.49%. The purchase prices were between $60.85 and $83.98, with an estimated average price of $68.39. The stock is now traded at around $64.45. The impact to a portfolio due to this purchase was 0.28%. The holding were 996,359 shares as of 2018-06-30.

Frontier Capital Management Co Llc added to a holding in Qorvo Inc by 24.08%. The purchase prices were between $67.38 and $85.79, with an estimated average price of $77.26. The stock is now traded at around $84.41. The impact to a portfolio due to this purchase was 0.27%. The holding were 2,421,276 shares as of 2018-06-30.

Frontier Capital Management Co Llc sold out a holding in SEI Investments Co. The sale prices were between $61.71 and $74.88, with an estimated average price of $66.56.

Frontier Capital Management Co Llc sold out a holding in Impax Laboratories Inc. The sale prices were between $18.3 and $20.2, with an estimated average price of $19.17.

Frontier Capital Management Co Llc sold out a holding in Dentsply Sirona Inc. The sale prices were between $42.29 and $50.64, with an estimated average price of $47.02.

Frontier Capital Management Co Llc sold out a holding in KLX Inc. The sale prices were between $69.16 and $80.05, with an estimated average price of $72.7.

Frontier Capital Management Co Llc sold out a holding in Sarepta Therapeutics Inc. The sale prices were between $71.74 and $153.69, with an estimated average price of $94.31.

Frontier Capital Management Co Llc sold out a holding in Xperi Corp. The sale prices were between $15.75 and $23.5, with an estimated average price of $20.41.