GAMCO Investors Buys Liberty Broadband Corp, Matthews International Corp, Modine Manufacturing Co, Sells Rollins Inc, GCI Liberty Inc, Quidel Corp

• New Purchases: CKH, MTSC, RP, EIGI, FBM, PH, CRWD, CMI, FISV, AMD, BEAT, ARA, EV, CVGI, NET, IVZ, GAN, FGNA, AAN, ADI, POR, PRVL, ALXN, DG, IPHI, TMTS, SOGO, PS, SWI, WORK, XLNX, BIDU, BXP, UGI, GFI, HMSY, IAG, CLGX, PCG, DBX, MAR, EIDX, ELAN, RLH, CLCT, CBRE, TMTSU, BMRN, VFH, VAC, KTOS, BR, WLL, UBA, TNAV, TPL, SSSS, GRPN, AYX, GMED, RESI, BMCH, TEX, SPWH, VEC, SPG,
• Added Positions: LBRDK, AJRD, MATW, MOD, MS, PNM, SBGI, SJM, LBTYA, LORL, VTRS, NGHC, ENR, BAC, BHC, CUTR, DRQ, MRK, QCOM, SMG, STRT, NLOK, TNC, GCP, IAC, SPY, AZZ, AN, BLK, BG, DCO, EGO, TV, LHX, IFF, IIN, KGC, FSTR, MIC, NUVA, PKOH, SLGN, SSYS, TGT, TIF, TG, TWIN, WMT, SBH, SPLP, BALY, ARD, PETQ, IIIV, PLAN, STNE, IVW, MMM, ABB, AEM, APD, AMP, ABCB, AVA, GOLD, BDX, OPCH, CSX, LUMN, C, CNSL, CTO, CACC, DENN, DLTR, FARM, FDX, FBNC, GHM, SFST, HMY, HWKN, INFO, IP, ISBC, LOW, MAT, MXIM, MNR, MOV, NATH, NYCB, NXST, OCFC, ORCL, OTTR, PGC, PCH, RWT, RUSHA, CRM, SBCF, SSRM, WPM, TTWO, VAR, VLGEA, GHC, WLTW, GTN.A, GGT, PGTI, SONA, GDL, IBKR, LLNW, GRX, VRTU, AGI, CFX, HCHC, VEON, GM, CLVS, MN, WPX, FEYE, HLT, SABR, XENT, LTRPA, CZR, FTAI, LILA, LILAK, SILV, ACBI, AC, WBT, AGR, AFI, MGP, GTYH, INVH, CADE, CNNE, FOCS, SVMK, LTHM, CTVA, BRBR, CARR, OTIS, VRM, PLTR, IYR,
• Reduced Positions: ROL, NAV, QDEL, LPX, SNE, HON, LYV, CTB, PMVC.U, AXP, RSG, AMZN, DE, GGG, WFC, AME, CIR, RHP, HD, TIGO, TMO, RTX, UNH, XYL, HRI, AMT, BK, CHDN, HAIN, IEX, JPM, KAMN, MSFT, NFLX, ROK, TXT, WM, WTS, HPE, T, ATVI, VIAC, CHE, CSCO, CNS, CMCSA, CAG, CR, SSP, NPO, FLS, GATX, GPC, MDLZ, NFG, NEM, PCAR, PNC, ROP, SBUX, VIACA, BF.A, LEN.B, MWA, FBHS, FB, ZTS, BABA, KEYS, JHG, AES, ADBE, ALL, AAPL, ADM, ASTE, BSET, BIO, BA, BYD, BMY, BF.B, BC, CTS, CVS, CWST, CAKE, CI, CBB, KO, CPRT, GLW, PRMW, CW, DEO, DBD, DISCA, DCI, DD, XOM, FMC, FELE, FCX, GIS, GSK, GOOGL, INDT, GFF, HAL, MTCH, ITT, IPG, JNJ, JCI, K, LZB, MGM, MCD, SPGI, MDT, MDP, NVDA, ES, NTRS, ORLY, PDCO, PFE, PG, RCI, RGLD, SXT, SHW, JOE, STT, SNV, TROW, TXN, TR, USM, VMC, WRB, WDR, WCN, ZBH, PRG, MA, LBTYK, MASI, IGT, IRDM, KDP, DISCK, AMCX, POST, NOW, ABBV, TMX, MSGS, LSXMA, LSXMK, VVV, REZI, FOXA, XLF, CB, PLD, ASML, ABT, ACCO, A, AIN, ATI, HES, AEP, AIG, AMGN, AP, APA, AMAT, AVID, BP, BMI, BLL, B, BAX, BBGI, BWA, SAM, BPFH, BSX, CMS, CPT, CPB, CMD, CASY, CAT, CVX, CMA, JCS, CNMD, COP, CNX, CMT, COST, CUZ, XRAY, DHR, DXCM, DGII, EGBN, ECL, EW, LLY, ENB, EPD, EQR, EL, ETH, EXPE, NEE, FSS, FHI, PACW, FHN, BANC, FE, FFIC, FMX, GBL, GENC, GE, GNW, GS, GVA, ITGR, GEF, HRB, HIG, HE, HEI, HSIC, HSKA, HPQ, HXL, HST, HUBB, HBAN, IBM, ICUI, ITW, ILMN, TT, INTC, ISRG, KLAC, KMT, KBAL, GDEN, LRCX, LVS, LAWS, LWAY, LECO, LNN, LFUS, LDL, MTB, MCS, MPX, MMC, MRVL, MKC, MET, MIDD, MSEX, TAP, MGI, NCR, FIZZ, NWL, NKE, NOC, OXY, OII, OLN, OKE, ORA, OFIX, PKE, PTEN, PENN, PKI, RES, RYN, RDI, REG, SRGA, SALM, SASR, SEE, BH, SUP, CDOR, TISI, THO, TKR, TOT, TRN, TRMK, TYL, UNP, UMH, URI, VMI, VZ, VICR, VNO, WBA, WDC, WWW, WWD, WYNN, EBAY, HEI.A, HEES, CATC, HAYN, NEO, ET, PRTK, CSII, GTLS, HBI, HTZGQ, WLDN, SCOR, TEL, MSCI, AHC, V, JBT, FTNT, CLNY, MSGN, KKR, HCA, APO, GRFS, MPC, PVG, APTV, PSX, AMBA, FWONA, GOGO, NWS, AMH, EQX, ESI, OGS, GOOG, ATEN, LE, GRUB, TMST, NEP, FWONK, NOMD, LBRDA, AXTA, SHAK, NVTA, EVH, FIT, CABO, GKOS, PYPL, SRG, KHC, PJT, BATRK, ACIA, COUP, LW, HWM, CVNA, IR, AQUA, CDLX, ZUO, BH.A, KLXE, ACA, DELL, UBER, CCO, IAA, SDC, ARNC, AMLP, KRE, SDS, SDY,
• Sold Out: GLIBA, RST, IMMU, WMGI, AIMT, ADSW, CETV, CCI, FGNA.U, AKCA, ALB, JCAP, LVGO, HUD, GTXMQ, IBB, FTCH, PACB, AMTD, WEN, SNY, AU, TFC, DAR, EA, NBL, DLPH, TCO, VOD, CBBPB.PFD, CIH, MNCL, FTAC, MRNA, CELH, GD, EQH, GT, SINA, BCOR, KREF, KMB, FSM, NAK, MOBL, PRCP, QGEN, REV, TSLA,

For the details of Mario Gabelli's stock buys and sells, go to https://www.gurufocus.com/guru/mario+gabelli/current-portfolio/portfolio

1. Herc Holdings Inc (HRI) - 3,310,353 shares, 2.06% of the total portfolio. Shares reduced by 2.68%
2. Sony Corp (SNE) - 2,065,305 shares, 1.95% of the total portfolio. Shares reduced by 5.77%
3. Aerojet Rocketdyne Holdings Inc (AJRD) - 3,215,931 shares, 1.59% of the total portfolio. Shares added by 4.23%
4. GATX Corp (GATX) - 1,880,945 shares, 1.46% of the total portfolio. Shares reduced by 1.29%
5. Navistar International Corp (NAV) - 3,063,523 shares, 1.26% of the total portfolio. Shares reduced by 12.19%

GAMCO Investors initiated holding in SEACOR Holdings Inc. The purchase prices were between $29.5 and $42.08, with an estimated average price of $35.17. The stock is now traded at around $42.330000. The impact to a portfolio due to this purchase was 0.04%. The holding were 103,793 shares as of 2020-12-31.

GAMCO Investors initiated holding in MTS Systems Corp. The purchase prices were between $19.99 and $58.54, with an estimated average price of $36.4. The stock is now traded at around $58.910000. The impact to a portfolio due to this purchase was 0.04%. The holding were 79,900 shares as of 2020-12-31.

GAMCO Investors initiated holding in Parker Hannifin Corp. The purchase prices were between $203.23 and $279.86, with an estimated average price of $248.42. The stock is now traded at around $279.470000. The impact to a portfolio due to this purchase was 0.03%. The holding were 10,269 shares as of 2020-12-31.

GAMCO Investors initiated holding in Cummins Inc. The purchase prices were between $210.34 and $236.55, with an estimated average price of $224.84. The stock is now traded at around $229.630000. The impact to a portfolio due to this purchase was 0.03%. The holding were 11,872 shares as of 2020-12-31.

GAMCO Investors initiated holding in Fiserv Inc. The purchase prices were between $93.52 and $117.99, with an estimated average price of $107.82. The stock is now traded at around $112.220000. The impact to a portfolio due to this purchase was 0.03%. The holding were 25,625 shares as of 2020-12-31.

GAMCO Investors initiated holding in CrowdStrike Holdings Inc. The purchase prices were between $123.5 and $224.9, with an estimated average price of $156.08. The stock is now traded at around $223.530000. The impact to a portfolio due to this purchase was 0.03%. The holding were 13,613 shares as of 2020-12-31.

GAMCO Investors added to a holding in Liberty Broadband Corp by 73.12%. The purchase prices were between $135.85 and $164.99, with an estimated average price of $152.25. The stock is now traded at around $148.610000. The impact to a portfolio due to this purchase was 0.23%. The holding were 361,852 shares as of 2020-12-31.

GAMCO Investors added to a holding in Modine Manufacturing Co by 24.47%. The purchase prices were between $6.17 and $12.71, with an estimated average price of $9.75. The stock is now traded at around $13.850000. The impact to a portfolio due to this purchase was 0.06%. The holding were 2,778,047 shares as of 2020-12-31.

GAMCO Investors added to a holding in Matthews International Corp by 25.02%. The purchase prices were between $21.44 and $30.01, with an estimated average price of $25.9. The stock is now traded at around $32.990000. The impact to a portfolio due to this purchase was 0.06%. The holding were 1,096,157 shares as of 2020-12-31.

GAMCO Investors added to a holding in Liberty Global PLC by 29.13%. The purchase prices were between $18.79 and $25.56, with an estimated average price of $22.3. The stock is now traded at around $24.620000. The impact to a portfolio due to this purchase was 0.03%. The holding were 517,014 shares as of 2020-12-31.

GAMCO Investors added to a holding in National General Holdings Corp by 191.52%. The purchase prices were between $33.75 and $34.2, with an estimated average price of $34.05. The stock is now traded at around $34.180000. The impact to a portfolio due to this purchase was 0.03%. The holding were 167,950 shares as of 2020-12-31.

GAMCO Investors added to a holding in Viatris Inc by 179.89%. The purchase prices were between $14.3 and $18.74, with an estimated average price of $16.33. The stock is now traded at around $17.895000. The impact to a portfolio due to this purchase was 0.03%. The holding were 209,914 shares as of 2020-12-31.

GAMCO Investors sold out a holding in GCI Liberty Inc. The sale prices were between $77.99 and $95.57, with an estimated average price of $87.36.

GAMCO Investors sold out a holding in Rosetta Stone Inc. The sale prices were between $29.88 and $29.99, with an estimated average price of $29.94.

GAMCO Investors sold out a holding in Immunomedics Inc. The sale prices were between $85.08 and $87.86, with an estimated average price of $86.65.

GAMCO Investors sold out a holding in Aimmune Therapeutics Inc. The sale prices were between $34.35 and $34.59, with an estimated average price of $34.45.

GAMCO Investors sold out a holding in Wright Medical Group NV. The sale prices were between $29.98 and $30.72, with an estimated average price of $30.51.

GAMCO Investors sold out a holding in Advanced Disposal Services Inc. The sale prices were between $30.24 and $30.3, with an estimated average price of $30.27.

GAMCO Investors reduced to a holding in Rollins Inc by 38.58%. The sale prices were between $36.09 and $42.19, with an estimated average price of $38.8. The stock is now traded at around $37.550000. The impact to a portfolio due to this sale was -0.49%. GAMCO Investors still held 2,941,287 shares as of 2020-12-31.

GAMCO Investors reduced to a holding in Quidel Corp by 29.44%. The sale prices were between $174.44 and $283.45, with an estimated average price of $222.2. The stock is now traded at around $237.000000. The impact to a portfolio due to this sale was -0.21%. GAMCO Investors still held 207,800 shares as of 2020-12-31.

GAMCO Investors reduced to a holding in Louisiana-Pacific Corp by 66.6%. The sale prices were between $27.9 and $39.76, with an estimated average price of $33.55. The stock is now traded at around $41.730000. The impact to a portfolio due to this sale was -0.11%. GAMCO Investors still held 171,500 shares as of 2020-12-31.

GAMCO Investors reduced to a holding in Live Nation Entertainment Inc by 23.82%. The sale prices were between $48.8 and $74.68, with an estimated average price of $63.27. The stock is now traded at around $74.340000. The impact to a portfolio due to this sale was -0.08%. GAMCO Investors still held 422,821 shares as of 2020-12-31.

GAMCO Investors reduced to a holding in PMV Consumer Acquisition Corp by 66.98%. The sale prices were between $9.91 and $10.53, with an estimated average price of $10.07. The stock is now traded at around $11.090000. The impact to a portfolio due to this sale was -0.07%. GAMCO Investors still held 283,200 shares as of 2020-12-31.

GAMCO Investors reduced to a holding in Cooper Tire & Rubber Co by 90.83%. The sale prices were between $33.71 and $42, with an estimated average price of $38.21. The stock is now traded at around $40.130000. The impact to a portfolio due to this sale was -0.07%. GAMCO Investors still held 20,000 shares as of 2020-12-31.