NPORT-P false 0000855396 XXXXXXXX S000028719 C000087850 LORD ABBETT SERIES FUND INC 811-05876 0000855396 549300MNKALF1QZZNY95 90 HUDSON STREET JERSEY CITY 07302 201-827-2000 Developing Growth Portfolio S000028719 549300QGKE9JFJ5L7T44 2020-12-31 2020-12-31 N 138855383.05 1361302.29 137494080.76 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 N AZEK Co Inc/The N/A 05478C105 24147.00000000 NS USD 928452.15000000 0.675266996853 Long EC CORP US N 1 N N N Penn National Gaming Inc N/A 707569109 21495.00000000 NS USD 1856523.15000000 1.350256781774 Long EC CORP US N 1 N N N Sonos Inc 549300WEPU6075I77M08 83570H108 30171.00000000 NS USD 705699.69000000 0.513258233444 Long EC CORP US N 1 N N N Upwork Inc N/A 91688F104 17219.00000000 NS USD 594399.88000000 0.432309432314 Long EC CORP US N 1 N N N Fidelity Investments 549300FQDFZGLUOCWN51 31607A703 1041422.00000000 NS USD 1041422.00000000 0.757430424817 Long STIV RF US N 1 N N Redfin Corp 549300HXWD3JEMZU3O57 75737F108 30264.00000000 NS USD 2077018.32000000 1.510623809053 Long EC CORP US N 1 N N N Trex Co Inc N/A 89531P105 11046.00000000 NS USD 924771.12000000 0.672589768874 Long EC CORP US N 1 N N N Cerence Inc 5493002WL2W5WMS89568 156727109 8247.00000000 NS USD 828658.56000000 0.602686715980 Long EC CORP US N 1 N N N Altra Industrial Motion Corp NQ0NIXPGW4YKG4MWM571 02208R106 15573.00000000 NS USD 863211.39000000 0.627817128729 Long EC CORP US N 1 N N N Repligen Corp 54930006QJ0T5AUO1E71 759916109 9410.00000000 NS USD 1803238.30000000 1.311502495258 Long EC CORP US N 1 N N N Fiverr International Ltd 549300Z8OREY6THCPF67 000000000 6253.00000000 NS USD 1219960.30000000 0.887282051166 Long EC CORP IL N 1 N N N Semtech Corp 549300J7WUY317SW6O61 816850101 24176.00000000 NS USD 1742847.84000000 1.267580269904 Long EC CORP US N 1 N N N Fixed Income Clearing Corp 549300H47WTHXPU08X20 000000000 2291934.43000000 PA USD 2291934.43000000 1.666933163472 Long RA CORP US N 2 Repurchase N 0.00000000 2021-01-04 2337800.00000000 USD 2337800.00000000 USD UST N N N ChemoCentryx Inc 529900YTTXUSFQTAKY40 16383L106 13263.00000000 NS USD 821244.96000000 0.597294774771 Long EC CORP US N 1 N N N LiveRamp Holdings Inc 254900GXS75LG1X7RF88 53815P108 10598.00000000 NS USD 775667.62000000 0.564146191394 Long EC CORP US N 1 N N N CEVA Inc 529900G9T7CVU2J2VU73 157210105 24258.00000000 NS USD 1103739.00000000 0.802753830491 Long EC CORP US N 1 N N N Planet Fitness Inc 549300LLE5HUPF6H8G33 72703H101 13896.00000000 NS USD 1078746.48000000 0.784576669800 Long EC CORP US N 1 N N N Pacific Biosciences of California Inc N/A 69404D108 39946.00000000 NS USD 1036199.24000000 0.753631890385 Long EC CORP US N 1 N N N Berkeley Lights Inc 549300LTLRE4N65CD358 084310101 10146.00000000 NS USD 907153.86000000 0.659776664555 Long EC CORP US N 1 N N N Stamps.com Inc 5299008VAXLEGU4Y4038 852857200 4331.00000000 NS USD 849698.89000000 0.617989432929 Long EC CORP US N 1 N N N Axonics Modulation Technologies Inc 549300LJY4X7N57VJL05 05465P101 31330.00000000 NS USD 1563993.60000000 1.137498859118 Long EC CORP US N 1 N N N iRhythm Technologies Inc 549300FJI72RJGDQS384 450056106 4689.00000000 NS USD 1112277.69000000 0.808964054199 Long EC CORP US N 1 N N N Tandem Diabetes Care Inc 549300JEPFOD0K4D3I05 875372203 3799.00000000 NS USD 363488.32000000 0.264366522537 Long EC CORP US N 1 N N N Acceleron Pharma Inc 529900TQRID2UY164805 00434H108 10860.00000000 NS USD 1389428.40000000 1.010536884438 Long EC CORP US N 1 N N N Helen of Troy Ltd N/A 000000000 7747.00000000 NS USD 1721305.93000000 1.251912751796 Long EC CORP BM N 1 N N N Seres Therapeutics Inc 549300GMXBE5NUWISF13 81750R102 26936.00000000 NS USD 659932.00000000 0.479971207743 Long EC CORP US N 1 N N N Adaptive Biotechnologies Corp 549300ZTF7OT1FW66Q96 00650F109 17462.00000000 NS USD 1032528.06000000 0.750961826351 Long EC CORP US N 1 N N N Inphi Corp 549300DCMERAAZFGT726 45772F107 9828.00000000 NS USD 1577099.16000000 1.147030585813 Long EC CORP US N 1 N N N Balchem Corp 549300VR70OPMHUI3557 057665200 7464.00000000 NS USD 860002.08000000 0.625482984610 Long EC CORP US N 1 N N N National Vision Holdings Inc 549300JHURCBLI5ROA42 63845R107 38448.00000000 NS USD 1741309.92000000 1.266461734479 Long EC CORP US N 1 N N N Skillz Inc N/A 83067L109 46191.00000000 NS USD 923820.00000000 0.671898015458 Long EC CORP US N 1 N N N Invitae Corp 549300MYI59DZW1WIX92 46185L103 22340.00000000 NS USD 934035.40000000 0.679327717118 Long EC CORP US N 1 N N N Globant SA 2221008DCMSPYS42DS88 000000000 7493.00000000 NS USD 1630551.73000000 1.185906855762 Long EC CORP LU N 1 N N N Enphase Energy Inc 5493008U7KIGMI59Z314 29355A107 6410.00000000 NS USD 1124762.70000000 0.818044452374 Long EC CORP US N 1 N N N Inari Medical Inc N/A 45332Y109 14956.00000000 NS USD 1305509.24000000 0.949502140589 Long EC CORP US N 1 N N N Evoqua Water Technologies Corp 529900YQAOMEZRGRRP43 30057T105 64487.00000000 NS USD 1739859.26000000 1.265406663605 Long EC CORP US N 1 N N N Avalara Inc N/A 05338G106 5957.00000000 NS USD 982249.73000000 0.714394193968 Long EC CORP US N 1 N N N Turning Point Therapeutics Inc N/A 90041T108 13311.00000000 NS USD 1621945.35000000 1.179647400844 Long EC CORP US N 1 N N N Inspire Medical Systems Inc 549300XQQCQ7HCJKTW25 457730109 14398.00000000 NS USD 2708119.82000000 1.969626477758 Long EC CORP US N 1 N N N Generac Holdings Inc 529900S2H2AHJHSFFI84 368736104 7186.00000000 NS USD 1634168.26000000 1.188537172631 Long EC CORP US N 1 N N N Lemonade Inc N/A 52567D107 5586.00000000 NS USD 684285.00000000 0.497683242956 Long EC CORP US N 1 N N Sunrun Inc 54930007SJ77CI66U531 86771W105 20794.00000000 NS USD 1442687.72000000 1.049272602882 Long EC CORP US N 1 N N N Western Alliance Bancorp 5493003VJXZ5JXT9S762 957638109 10723.00000000 NS USD 642843.85000000 0.467542927263 Long EC CORP US N 1 N N N Axon Enterprise Inc 549300QP2IEEGFE16681 05464C101 16077.00000000 NS USD 1969914.81000000 1.432726993854 Long EC CORP US N 1 N N N Iovance Biotherapeutics Inc 549300220Z2GHH33XL82 462260100 26860.00000000 NS USD 1246304.00000000 0.906441930526 Long EC CORP US N 1 N N N Nevro Corp 254900SH91I4BOYKUE38 64157F103 9304.00000000 NS USD 1610522.40000000 1.171339443194 Long EC CORP US N 1 N N N Wingstop Inc 549300SSH3F8HPIM3Q47 974155103 10782.00000000 NS USD 1429154.10000000 1.039429546421 Long EC CORP US N 1 N N N Blackline Inc 529900P9N7PK9LV5EK56 09239B109 12112.00000000 NS USD 1615498.56000000 1.174958624451 Long EC CORP US N 1 N N N Twist Bioscience Corp 549300T23BL59LCOH584 90184D100 10736.00000000 NS USD 1516889.44000000 1.103239813390 Long EC CORP US N 1 N N N CRISPR Therapeutics AG 506700O6IRRIQLT3W370 000000000 8353.00000000 NS USD 1278927.83000000 0.930169373787 Long EC CORP CH N 1 N N N Mirati Therapeutics Inc 529900GYRW59IDQV6N54 60468T105 6819.00000000 NS USD 1497725.16000000 1.089301555180 Long EC CORP US N 1 N N N Calix Inc 5299002RQRZ4SXSCSJ58 13100M509 46212.00000000 NS USD 1375269.12000000 1.000238782933 Long EC CORP US N 1 N N N Myovant Sciences Ltd N/A 000000000 34305.00000000 NS USD 947504.10000000 0.689123557001 Long EC CORP BM N 1 N N N Marriott Vacations Worldwide Corp 549300WA6BT5H4F7IO94 57164Y107 4444.00000000 NS USD 609805.68000000 0.443514132847 Long EC CORP US N 1 N N N Guardant Health Inc 254900M8C3E5VC8BR186 40131M109 6760.00000000 NS USD 871228.80000000 0.633648223388 Long EC CORP US N 1 N N N Shift4 Payments Inc N/A 82452J109 34433.00000000 NS USD 2596248.20000000 1.888261796907 Long EC CORP US N 1 N N N Diodes Inc 549300XP2X1ARVH3BX23 254543101 18007.00000000 NS USD 1269493.50000000 0.923307747492 Long EC CORP US N 1 N N N LGI Homes Inc 549300W02B4WNV8CV109 50187T106 16253.00000000 NS USD 1720380.05000000 1.251239355534 Long EC CORP US N 1 N N N Karuna Therapeutics Inc N/A 48576A100 5539.00000000 NS USD 562707.01000000 0.409259080019 Long EC CORP US N 1 N N N Datto Holding Corp N/A 23821D100 14110.00000000 NS USD 380970.00000000 0.277081018974 Long EC CORP US N 1 N N Crocs Inc 549300B0J6YCXD63OG72 227046109 27672.00000000 NS USD 1733927.52000000 1.261092485156 Long EC CORP US N 1 N N N Everbridge Inc 549300WCY0UMR64ATW81 29978A104 7632.00000000 NS USD 1137702.24000000 0.827455432053 Long EC CORP US N 1 N N N Lumentum Holdings Inc 549300JLWRRC38DWEF52 55024U109 12671.00000000 NS USD 1201210.80000000 0.873645464124 Long EC CORP US N 1 N N N Paylocity Holding Corp 549300VH75FTB4DIEE07 70438V106 9600.00000000 NS USD 1976736.00000000 1.437688072878 Long EC CORP US N 1 N N N Citibank NA E57ODZWZ7FF32TWEFA76 000000000 115714.00000000 NS USD 115714.00000000 0.084159259337 Long STIV RF US N 1 N N Littelfuse Inc 549300MY7HLQFYTPCX75 537008104 3826.00000000 NS USD 974329.16000000 0.708633531432 Long EC CORP US N 1 N N N Blueprint Medicines Corp 5299004CC60O9T5HVM83 09627Y109 14680.00000000 NS USD 1646362.00000000 1.197405728959 Long EC CORP US N 1 N N N CareDx Inc 549300NQOFKL9NON0U06 14167L103 20623.00000000 NS USD 1494136.35000000 1.086691399179 Long EC CORP US N 1 N N N Bridgebio Pharma Inc 54930028YG89VTY2J114 10806X102 28122.00000000 NS USD 1999755.42000000 1.454430189973 Long EC CORP US N 1 N N N Goosehead Insurance Inc 549300WH5MBIWHJ9XY95 38267D109 12590.00000000 NS USD 1570728.40000000 1.142397106346 Long EC CORP US N 1 N N N YETI Holdings Inc 549300DSQICIGNT5GO63 98585X104 23904.00000000 NS USD 1636706.88000000 1.190383521205 Long EC CORP US N 1 N N N Deciphera Pharmaceuticals Inc 529900QR4WAPYY0CBF25 24344T101 9073.00000000 NS USD 517796.11000000 0.376595201144 Long EC CORP US N 1 N N N Shockwave Medical Inc 549300LDXO56IC5Y1538 82489T104 10506.00000000 NS USD 1089682.32000000 0.792530350380 Long EC CORP US N 1 N N N TG Therapeutics Inc 529900X21UKABN9NJ529 88322Q108 45125.00000000 NS USD 2347402.50000000 1.707275314707 Long EC CORP US N 1 N N N Endava PLC 213800JJ6CRPCWCQVZ25 29260V105 21914.00000000 NS USD 1681899.50000000 1.223252296173 Long EC CORP GB N 1 N N N Malibu Boats Inc N/A 56117J100 24828.00000000 NS USD 1550260.32000000 1.127510589132 Long EC CORP US N 1 N N N Schrodinger Inc/United States N/A 80810D103 9470.00000000 NS USD 749834.60000000 0.545357731660 Long EC CORP US N 1 N N N MKS Instruments Inc 549300KEQATBHAGVF505 55306N104 13503.00000000 NS USD 2031526.35000000 1.477537315621 Long EC CORP US N 1 N N N Insmed Inc 529900Q55QAG41CCAC11 457669307 45969.00000000 NS USD 1530308.01000000 1.112999193522 Long EC CORP US N 1 N N N Constellation Pharmaceuticals Inc N/A 210373106 36218.00000000 NS USD 1043078.40000000 0.758635131224 Long EC CORP US N 1 N N N Cardlytics Inc 549300JETJBH94EIPC66 14161W105 16951.00000000 NS USD 2420094.27000000 1.760144332485 Long EC CORP US N 1 N N N RH 5493008MTS3OGGMHGK69 74967X103 4644.00000000 NS USD 2078282.88000000 1.511543528646 Long EC CORP US N 1 N N N Brooks Automation Inc 35ZN6X1ANPH25YN32Y17 114340102 9493.00000000 NS USD 644100.05000000 0.468456566595 Long EC CORP US N 1 N N N Monolithic Power Systems Inc 529900TB7O85LSZ1XU31 609839105 3520.00000000 NS USD 1289129.60000000 0.937589162292 Long EC CORP US N 1 N N N Natera Inc N/A 632307104 23547.00000000 NS USD 2343397.44000000 1.704362418401 Long EC CORP US N 1 N N N XPO Logistics Inc 54930096DB9LCLPN7H13 983793100 8189.00000000 NS USD 976128.80000000 0.709942416869 Long EC CORP US N 1 N N N Certara Inc N/A 15687V109 5358.00000000 NS USD 180671.76000000 0.131403300419 Long EC CORP US N 1 N N N Jamf Holding Corp N/A 47074L105 23713.00000000 NS USD 709492.96000000 0.516017094029 Long EC CORP US N 1 N N N Rapid7 Inc 549300GNVG5D60KEYN14 753422104 13830.00000000 NS USD 1246912.80000000 0.906884713223 Long EC CORP US N 1 N N N SVMK Inc N/A 78489X103 59038.00000000 NS USD 1508420.90000000 1.097080610061 Long EC CORP US N 1 N N N Sprout Social Inc N/A 85209W109 23671.00000000 NS USD 1074900.11000000 0.781779189371 Long EC CORP US N 1 N N N TPI Composites Inc 549300TI9H56OIY0QE39 87266J104 15549.00000000 NS USD 820676.22000000 0.596881127873 Long EC CORP US N 1 N N N Lightspeed POS Inc 254900T8MDWRTGMFZ257 53227R106 10337.00000000 NS USD 727621.43000000 0.529202003444 Long EC CORP CA N 1 N N N Boston Beer Co Inc/The 529900Q02MQ0DCQNRM58 100557107 1409.00000000 NS USD 1400954.61000000 1.018919943503 Long EC CORP US N 1 N N N Arena Pharmaceuticals Inc 529900CVGQMPJ3A3NI85 040047607 15478.00000000 NS USD 1189174.74000000 0.864891589097 Long EC CORP US N 1 N N N Trupanion Inc 549300J86GFKIDGMQP18 898202106 9335.00000000 NS USD 1117492.85000000 0.812757061120 Long EC CORP US N 1 N N N Rocket Pharmaceuticals Inc 549300R7VV82YUIN4Y93 77313F106 27173.00000000 NS USD 1490167.32000000 1.083804707637 Long EC CORP US N 1 N N N Deckers Outdoor Corp 5493008LG4W3I6K8J118 243537107 6129.00000000 NS USD 1757674.62000000 1.278363846853 Long EC CORP US N 1 N N N Five9 Inc 254900MXP6EWY0SFFR59 338307101 12538.00000000 NS USD 2186627.20000000 1.590342789968 Long EC CORP US N 1 N N N Freshpet Inc 549300S4ZK8ZQ6HNPN59 358039105 8870.00000000 NS USD 1259451.30000000 0.916004014891 Long EC CORP US N 1 N N N Chart Industries Inc EM7QGKC1GYOF3LSZSL80 16115Q308 15208.00000000 NS USD 1791350.32000000 1.302856319412 Long EC CORP US N 1 N N N Stitch Fix Inc 549300TNHOVBOJZIYE72 860897107 20443.00000000 NS USD 1200412.96000000 0.873065191872 Long EC CORP US N 1 N N N Digital Turbine Inc 549300D0WZR1VI2QGB24 25400W102 32321.00000000 NS USD 1828075.76000000 1.329566880185 Long EC CORP US N 1 N N N Q2 Holdings Inc 549300M9RKR9DZXWS696 74736L109 12674.00000000 NS USD 1603641.22000000 1.166334733201 Long EC CORP US N 1 N N N Appian Corp 529900NIARIFW7HGU386 03782L101 16140.00000000 NS USD 2616132.60000000 1.902723801300 Long EC CORP US N 1 N N 2021-01-21 LORD ABBETT SERIES FUND INC Vito Fronda Vito Fronda Treasurer