Frontier Capital Management Co Llc Buys Nuance Communications Inc, Palo Alto Networks Inc, Mattel Inc, Sells IHS Markit, Seagen Inc, Monolithic Power Systems Inc

• New Purchases: PANW, ROKU, LYV, CMG, SGT, ALGN, SDC, KAR, LAD, MGNI, CVET, MYRG, ST, PSN, NCR, LMNX,
• Added Positions: NUAN, MAT, MTZ, LPLA, SPLK, PAYC, SIVB, AAP, ROST, IAC, KBR, FND, ATGE, VNE, CTAS, BURL, ACHC, MSCI, QTRX, CRS, SITM, MTSI, WCC, ALC, TILE, ALE, IDXX, XLRN, IIVI, VLRS, BLDR, AIMC, PLNT, A, NMIH, BKU, DAN, INSM, LTHM, BL, BAH, LCII, ARGO, UA, PRFT, DXCM, QGEN, LDOS, TBBK, ENS, FLIR, SILK, PRDO, RPT, BWA, WAFD, SRC, CARA, WSFS, CG, MRC, BDC, WPX, PDCE, BLUE, PGNY, MOD, ADCT, AIT, TPTX, WRB, LE,
• Reduced Positions: MPWR, PODD, ORLY, MDB, DG, TEAM, SBAC, CVNA, NDAQ, MCHP, PWR, VEEV, FMC, LRCX, AMD, COUP, EXAS, BMCH, BMRN, MRVL, KNX, CCS, BOOT, ROK, TFX, HZNP, ITRI, INCY, MCO, EW, MMSI, LGIH, KLAC, SRCL, WCN, FIVE, AMWD, HOLX, HUM, NKTR, PAAS, RMD, VMC, CDLX, JRVR, NVST, UCTT, AMBA, NTRA, PING, APH, EA, KKR, BFAM, GH, COO, FBP, GPN, TPC, STE, SNX, EURN, RNG, KPTI, FIVN, SQ, ZS, ILMN, SAIA, SHW, TREX, MODN, TWTR, INSP, DT, ADSK, MKSI, SMTC, ACM, WDAY, PCTY, PJT, ADPT, MDLA, PNFP, LULU, NSTG, UPWK, PLAN, OFC, CUZ, LHX, BPOP, KTOS, EVR, G, PCRX, STAG, GWRE, TNDM, AEM, BLL, JBL, SRI, OLED, WBS, AGI, TWOU, QRVO, INSW, AZUL, MRNA, ACAD, ALB, MTOR, BECN, BYD, CCOI, CVA, CREE, DAR, SITC, EXP, WIRE, RE, FLEX, GVA, HUN, NSIT, JBLU, LGF.B, MDU, MLM, PRAA, RJF, ROG, SLAB, TER, XPER, UTL, UEIC, WTFC, WEX, CSII, NVGS, SSNC, FN, GDOT, TROX, BCOV, APAM, PTCT, BNFT, AERI, BRX, ZEN, TRUP, HUBS, RPD, ZUO, AZZ, ABMD, ALK, ATI, ADS, CMP, CTB, FNF, GLNG, GPK, KEX, MGPI, PEGA, SGMO, UTHR, NEWR, WK, DNLI, KTB,
• Sold Out: INFO, SGEN, XLNX, DPZ, MAS, ROP, NVCR, COHR, WSO, BHVN, TTD, NBL, JEF, YUM, RST, O, MDGL, AYX, RIG, NBIX, AMRN, DRQ, VRM, OLLI, GLOG,

For the details of FRONTIER CAPITAL MANAGEMENT CO LLC's stock buys and sells, go to https://www.gurufocus.com/guru/frontier+capital+management+co+llc/current-portfolio/portfolio

1. Caesars Entertainment Inc (CZR) - 5,086,413 shares, 2.80% of the total portfolio. Shares reduced by 0.99%
2. Square Inc (SQ) - 1,544,443 shares, 2.49% of the total portfolio. Shares reduced by 3.12%
3. Mattel Inc (MAT) - 13,276,032 shares, 1.72% of the total portfolio. Shares added by 66.32%
4. Quanta Services Inc (PWR) - 2,558,347 shares, 1.37% of the total portfolio. Shares reduced by 18.95%
5. Splunk Inc (SPLK) - 1,021,503 shares, 1.29% of the total portfolio. Shares added by 36.46%

Frontier Capital Management Co Llc initiated holding in Palo Alto Networks Inc. The purchase prices were between $221.19 and $372.06, with an estimated average price of $282.37. The stock is now traded at around $364.050000. The impact to a portfolio due to this purchase was 0.7%. The holding were 264,785 shares as of 2020-12-31.

Frontier Capital Management Co Llc initiated holding in Roku Inc. The purchase prices were between $200 and $360.56, with an estimated average price of $264.98. The stock is now traded at around $434.140000. The impact to a portfolio due to this purchase was 0.63%. The holding were 255,490 shares as of 2020-12-31.

Frontier Capital Management Co Llc initiated holding in Live Nation Entertainment Inc. The purchase prices were between $48.8 and $74.68, with an estimated average price of $63.48. The stock is now traded at around $76.540000. The impact to a portfolio due to this purchase was 0.48%. The holding were 881,436 shares as of 2020-12-31.

Frontier Capital Management Co Llc initiated holding in Chipotle Mexican Grill Inc. The purchase prices were between $1188.54 and $1426.3, with an estimated average price of $1313.71. The stock is now traded at around $1429.480000. The impact to a portfolio due to this purchase was 0.47%. The holding were 45,344 shares as of 2020-12-31.

Frontier Capital Management Co Llc initiated holding in Seagen Inc. The purchase prices were between $138.28 and $179.9, with an estimated average price of $155.92. The stock is now traded at around $153.540000. The impact to a portfolio due to this purchase was 0.47%. The holding were 358,667 shares as of 2020-12-31.

Frontier Capital Management Co Llc initiated holding in Align Technology Inc. The purchase prices were between $314.89 and $536.59, with an estimated average price of $453.23. The stock is now traded at around $557.410000. The impact to a portfolio due to this purchase was 0.45%. The holding were 112,311 shares as of 2020-12-31.

Frontier Capital Management Co Llc added to a holding in Nuance Communications Inc by 240.67%. The purchase prices were between $31.5 and $44.39, with an estimated average price of $38.12. The stock is now traded at around $49.990000. The impact to a portfolio due to this purchase was 0.85%. The holding were 3,713,332 shares as of 2020-12-31.

Frontier Capital Management Co Llc added to a holding in Mattel Inc by 66.32%. The purchase prices were between $12.08 and $18.12, with an estimated average price of $14.83. The stock is now traded at around $18.820000. The impact to a portfolio due to this purchase was 0.69%. The holding were 13,276,032 shares as of 2020-12-31.

Frontier Capital Management Co Llc added to a holding in MasTec Inc by 516.30%. The purchase prices were between $42.61 and $70.4, with an estimated average price of $56.56. The stock is now traded at around $80.990000. The impact to a portfolio due to this purchase was 0.61%. The holding were 1,442,817 shares as of 2020-12-31.

Frontier Capital Management Co Llc added to a holding in LPL Financial Holdings Inc by 220.15%. The purchase prices were between $76.15 and $104.25, with an estimated average price of $90.34. The stock is now traded at around $119.560000. The impact to a portfolio due to this purchase was 0.56%. The holding were 1,050,817 shares as of 2020-12-31.

Frontier Capital Management Co Llc added to a holding in Splunk Inc by 36.46%. The purchase prices were between $153.49 and $219.46, with an estimated average price of $191.18. The stock is now traded at around $172.960000. The impact to a portfolio due to this purchase was 0.34%. The holding were 1,021,503 shares as of 2020-12-31.

Frontier Capital Management Co Llc added to a holding in Paycom Software Inc by 29.96%. The purchase prices were between $331.53 and $465.13, with an estimated average price of $400.79. The stock is now traded at around $397.330000. The impact to a portfolio due to this purchase was 0.3%. The holding were 383,582 shares as of 2020-12-31.

Frontier Capital Management Co Llc sold out a holding in IHS Markit Ltd. The sale prices were between $77.36 and $99.46, with an estimated average price of $86.84.

Frontier Capital Management Co Llc sold out a holding in Seagen Inc. The sale prices were between $164.63 and $211.93, with an estimated average price of $186.01.

Frontier Capital Management Co Llc sold out a holding in Xilinx Inc. The sale prices were between $102.59 and $152.11, with an estimated average price of $130.68.

Frontier Capital Management Co Llc sold out a holding in Domino's Pizza Inc. The sale prices were between $376.03 and $433.78, with an estimated average price of $392.41.

Frontier Capital Management Co Llc sold out a holding in Masco Corp. The sale prices were between $51.59 and $58.07, with an estimated average price of $55.09.

Frontier Capital Management Co Llc sold out a holding in Roper Technologies Inc. The sale prices were between $367.5 and $433.89, with an estimated average price of $411.22.

Frontier Capital Management Co Llc reduced to a holding in Monolithic Power Systems Inc by 80.24%. The sale prices were between $272.37 and $366.23, with an estimated average price of $321.43. The stock is now traded at around $391.320000. The impact to a portfolio due to this sale was -0.52%. Frontier Capital Management Co Llc still held 52,465 shares as of 2020-12-31.

Frontier Capital Management Co Llc reduced to a holding in Insulet Corp by 25.04%. The sale prices were between $215.97 and $265.89, with an estimated average price of $248.42. The stock is now traded at around $284.460000. The impact to a portfolio due to this sale was -0.45%. Frontier Capital Management Co Llc still held 654,466 shares as of 2020-12-31.

Frontier Capital Management Co Llc reduced to a holding in O'Reilly Automotive Inc by 41.06%. The sale prices were between $436.33 and $469.5, with an estimated average price of $452.63. The stock is now traded at around $463.940000. The impact to a portfolio due to this sale was -0.41%. Frontier Capital Management Co Llc still held 146,298 shares as of 2020-12-31.

Frontier Capital Management Co Llc reduced to a holding in MongoDB Inc by 39.04%. The sale prices were between $224.18 and $396, with an estimated average price of $281.27. The stock is now traded at around $368.000000. The impact to a portfolio due to this sale was -0.4%. Frontier Capital Management Co Llc still held 309,026 shares as of 2020-12-31.

Frontier Capital Management Co Llc reduced to a holding in Dollar General Corp by 42.09%. The sale prices were between $205.87 and $223, with an estimated average price of $213.65. The stock is now traded at around $206.060000. The impact to a portfolio due to this sale was -0.39%. Frontier Capital Management Co Llc still held 292,664 shares as of 2020-12-31.