0001026710-21-000004.txt : 20210517 0001026710-21-000004.hdr.sgml : 20210517 20210517123453 ACCESSION NUMBER: 0001026710-21-000004 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20210331 FILED AS OF DATE: 20210517 DATE AS OF CHANGE: 20210517 EFFECTIVENESS DATE: 20210517 FILER: COMPANY DATA: COMPANY CONFORMED NAME: GRANAHAN INVESTMENT MANAGEMENT INC/MA CENTRAL INDEX KEY: 0001026710 IRS NUMBER: 042856200 STATE OF INCORPORATION: MA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-05876 FILM NUMBER: 21928960 BUSINESS ADDRESS: STREET 1: 404 WYMAN STREET STREET 2: SUITE 460 CITY: WALTHAM STATE: MA ZIP: 02451 BUSINESS PHONE: 7818904412 MAIL ADDRESS: STREET 1: 404 WYMAN STREET STREET 2: SUITE 460 CITY: WALTHAM STATE: MA ZIP: 02451 13F-HR 1 primary_doc.xml 13F-HR LIVE false false false 0001026710 XXXXXXXX 03-31-2021 03-31-2021 GRANAHAN INVESTMENT MANAGEMENT INC/MA

404 WYMAN STREET SUITE 460 WALTHAM MA 02451

13F HOLDINGS REPORT 028-05876 N Susan Rawley 781-902-1413 Susan Rawley Waltham MA 05-17-2021 0 191 4715808 false INFORMATION TABLE 2 13F-GIM20210331-final.xml Q1'2021 13F FROM GRANAHAN INV. 2U INC COM 90214J101 94405 2469408 SH SOLE NA 1933157 0 536251 908 DEVICES INC COM 65443P102 21978 453146 SH SOLE NA 394400 0 58746 ABIOMED INC COM 003654100 3270 10260 SH SOLE NA 10118 0 142 ACACIA RESEARCH COM 003881307 14956 2248950 SH SOLE NA 2201330 0 47620 ACCELERON PHARMA INC COM 00434H108 10364 76424 SH SOLE NA 63220 0 13204 AERIE PHARMACEUTICALS INC COM 00771V108 20717 1159309 SH SOLE NA 1004209 0 155100 AFFIMED N V COM N01045108 26773 3384738 SH SOLE NA 3230831 0 153907 AIRGAIN INC COM 00938A104 7458 351944 SH SOLE NA 306932 0 45012 AKOUSTIS TECHNOLOGIES INC COM 00973N102 10141 760219 SH SOLE NA 706489 0 53730 ALTA EQUIPMENT GROUP INC COM 02128L106 17474 1344137 SH SOLE NA 1201787 0 142350 AMERESCO INC COM 00236E111 6892 141724 SH SOLE NA 138584 0 3140 ARRAY TECHNOLOGIES INC COM 04271T100 6422 215360 SH SOLE NA 210120 0 5240 ATRICURE INC COM 04963C209 8702 132822 SH SOLE NA 109882 0 22940 AUTOLUS THERAPEUTICS PLC ADR 05280R100 1954 340947 SH SOLE NA 296994 0 43953 AXON ENTERPRISE INC COM 05464C101 136025 955099 SH SOLE NA 758685 0 196414 AXT INC COM 00246W103 4652 399010 SH SOLE NA 352440 0 46570 BALLARD PWR SYS INC NEW COM 058586108 5232 214937 SH SOLE NA 210157 0 4780 BEAM THERAPEUTICS INC COM 07373V105 7731 96591 SH SOLE NA 84117 0 12474 BGC PARTNERS, INC COM 05541T101 10597 2194037 SH SOLE NA 2146207 0 47830 BIOCRYST PHARMACTL COM 09058V103 4372 429902 SH SOLE NA 355432 0 74470 BIOLIFE SOLUTIONS COM 09062W204 11367 315755 SH SOLE NA 276196 0 39559 BIOMERICA INC COM 09061H307 4532 830058 SH SOLE NA 791903 0 38155 BLACKLINE INC COM 09239B109 1727 15936 SH SOLE NA 15936 0 0 BLUEPRINT MEDICINES CORP COM 09627Y109 5728 58907 SH SOLE NA 48717 0 10190 BRIGHT HORIZONS FAMILY SOLNS COM 109194100 73043 426028 SH SOLE NA 329697 0 96331 BROOKS AUTOMATION COM 114340102 94573 1158268 SH SOLE NA 928472 0 229796 BUMBLE INC COM 12047B105 39807 638139 SH SOLE NA 499275 0 138864 CAI INTERNATIONAL INC COM 12477X106 9984 219323 SH SOLE NA 214396 0 4927 CANADIAN SOLAR INC COM 136635109 31730 639330 SH SOLE NA 625180 0 14150 CARDIOVASCULAR SYS COM 141619106 18068 471265 SH SOLE NA 407659 0 63606 CASELLA WASTE SYSTEMS, INC COM 147448104 8401 132153 SH SOLE NA 113138 0 19015 CASTLE BIOSCIENCES INC COM 14843C105 19458 284221 SH SOLE NA 244128 0 40093 CENTOGENE N V COM N1976T109 726 59835 SH SOLE NA 59835 0 0 CERUS CORP COM 157085101 4459 741853 SH SOLE NA 719453 0 22400 CEVA INC COM 157210105 6725 119773 SH SOLE NA 108403 0 11370 CHART INDUSTRIES INC COM 16115Q308 115350 810330 SH SOLE NA 704632 0 105698 CHEFS WAREHOUSE IN COM 163086101 8031 263656 SH SOLE NA 236346 0 27310 CHEGG INC COM 163092109 80595 940872 SH SOLE NA 754244 0 186628 CHICKEN SOUP FOR THE SOUL ENT COM 16842Q100 15273 634788 SH SOLE NA 620160 0 14628 CIDARA THERAPEUTICS INC COM 171757107 133 50075 SH SOLE NA 44873 0 5202 CIENA CORPORATION COM 171779309 7375 134781 SH SOLE NA 116306 0 18475 CLEAN ENERGY FUELS CORP COM 184499101 10204 742622 SH SOLE NA 614432 0 128190 CLOUDERA INC COM 18914U100 44670 3670468 SH SOLE NA 3485008 0 185460 COLUMBUS MCKINNON CORPORATION COM 199333105 31414 595418 SH SOLE NA 519266 0 76152 COMPUTER TASK GRP COM 205477102 4817 504365 SH SOLE NA 504365 0 0 CONMED CORPORATION COM 207410101 22774 174394 SH SOLE NA 150639 0 23755 CORNERSTONE ONDEMAND, INC COM 21925Y103 43131 989703 SH SOLE NA 769437 0 220266 COSTAR GROUP INC COM 22160N109 113970 138668 SH SOLE NA 109013 0 29655 COUPA SOFTWARE INCORPORATED COM 22266L106 936 3678 SH SOLE NA 3678 0 0 CRICUT INC COM 22658D100 48389 2445131 SH SOLE NA 2033592 0 411539 CRISPR THERAPEUTICS AG COM H17182108 5882 48275 SH SOLE NA 42041 0 6234 CRYOPORT INC COM 229050307 15758 302986 SH SOLE NA 267469 0 35517 CYBER-ARK SOFTWARE LIMITED COM M2682V108 1841 14232 SH SOLE NA 11792 0 2440 CYTOSORBENTS CORP COM 23283X206 7917 912154 SH SOLE NA 871866 0 40288 DATTO HLDG CORP COM 23821D100 41469 1810077 SH SOLE NA 1390908 0 419169 DIGITAL TURBINE, INC COM 25400W102 125664 1563767 SH SOLE NA 1503970 0 59797 DMY TECHNOLOGY GROUP INC II COM 233277102 49664 3376177 SH SOLE NA 2641874 0 734303 DOMO INC COM 257554105 40173 713683 SH SOLE NA 558649 0 155034 DOUGLAS DYNAMICS I COM 25960R105 18435 399454 SH SOLE NA 348502 0 50952 ECHO GLOBAL LOGISTICS, INC COM 27875T101 9010 286863 SH SOLE NA 279993 0 6870 EDITAS MEDICINE INC COM 28106W103 5506 131104 SH SOLE NA 114201 0 16903 ENANTA PHARMACEUTICALS INC COM 29251M106 9539 193416 SH SOLE NA 168878 0 24538 ENCORE CAPITAL GROUP INC COM 292554102 1001 24880 SH SOLE NA 20565 0 4315 ENPHASE ENERGY INC COM 29355A107 179139 1104703 SH SOLE NA 949003 0 155700 ENTASIS THERAPEUTICS HLDGS COM 293614103 22 10064 SH SOLE NA 10064 0 0 EPIZYME INC COM 29428V104 10296 1182072 SH SOLE NA 1155362 0 26710 ESPERION THERAPEUTICS INC COM 29664W105 8862 315920 SH SOLE NA 271629 0 44291 ETSY INC COM 29786A106 185719 920907 SH SOLE NA 758958 0 161949 EURONET WORLDWIDE, INC COM 298736109 56463 408266 SH SOLE NA 361573 0 46693 EVERQUOTE INC COM 30041R108 24559 676755 SH SOLE NA 521619 0 155136 EVOLENT HEALTH, INC COM 30050B101 95415 4723511 SH SOLE NA 4276655 0 446856 EXECUTIVE NETWORK PTNRG CL A COM 30158L100 10383 1068254 SH SOLE NA 849666 0 218588 EXECUTIVE NETWORK PTNRG UNIT COM 30158L209 7100 712170 SH SOLE NA 566445 0 145725 EXECUTIVE NETWORK PTNRG WT WARR 30158L118 225 267063 SH SOLE NA 212416 0 54647 FENNEC PHARMS COM 31447P100 1349 217295 SH SOLE NA 210665 0 6630 FLEX LIMITED COM Y2573F102 19011 1038258 SH SOLE NA 1023388 0 14870 FLEXION THERAPEUTICS INC COM 33938J106 9389 1049081 SH SOLE NA 917595 0 131486 FREQUENCY THERAPEUTICS INC COM 35803L108 972 102317 SH SOLE NA 91117 0 11200 GAN LIMITED COM G3728V109 2377 130593 SH SOLE NA 126675 0 3918 GENTHERM INC COM 37253A103 15453 208521 SH SOLE NA 203980 0 4541 GLOBANT S A COM L44385109 36976 178105 SH SOLE NA 139739 0 38366 GRAND CANYON EDUCA COM 38526M106 11901 111122 SH SOLE NA 86902 0 24220 GRAY TELEVISION, INC COM 389375106 11391 619062 SH SOLE NA 605322 0 13740 HARVARD BIOSCIENCE COM 416906105 8296 1519323 SH SOLE NA 1448291 0 71032 HEALTH CATALYST INC COM 42225T107 5368 114777 SH SOLE NA 95017 0 19760 HEALTHEQUITY INC COM 42226A107 53572 787818 SH SOLE NA 619503 0 168315 HUBSPOT INC COM 443573100 2202 4848 SH SOLE NA 4848 0 0 HUDSON TECHNOLOGES COM 444144109 1124 698171 SH SOLE NA 676563 0 21608 IAC INTERACTIVECORP NEW COM 44891N109 6597 30498 SH SOLE NA 30058 0 440 ICAD INC COM 44934S206 19692 928010 SH SOLE NA 907765 0 20245 INMODE LTD COM M5425M103 6770 93553 SH SOLE NA 89163 0 4390 INNOVATIVE INDUSTRIAL PROP REIT 45781V101 14151 78545 SH SOLE NA 68966 0 9579 INSMED INC COM 457669307 11017 323459 SH SOLE NA 267659 0 55800 INTELLIA THERAPEUTICS INC COM 45826J105 16805 209389 SH SOLE NA 193439 0 15950 INTERSECT ENT INC COM 46071F103 289 13827 SH SOLE NA 13827 0 0 JAMES RIVER GROUP HOLDINGS COM G5005R107 17589 385546 SH SOLE NA 333706 0 51840 JOUNCE THERAPEUTICS INC COM 481116101 3481 338969 SH SOLE NA 295195 0 43774 KARYOPHARM THERAPEUTICS INC COM 48576U106 7263 690410 SH SOLE NA 675360 0 15050 KINDRED BIOSCIENCES INC COM 494577109 4130 831029 SH SOLE NA 738847 0 92182 KINSALE CAPITAL GROUP INC COM 49714P108 3893 23625 SH SOLE NA 19556 0 4069 KORNIT DIGITAL LIMITED COM M6372Q113 226112 2281191 SH SOLE NA 1925123 0 356068 KULICKE AND SOFFA INDUSTRIES COM 501242101 121870 2481582 SH SOLE NA 2387677 0 93905 LAWSON PRODUCTS COM 520776105 13888 267793 SH SOLE NA 238793 0 29000 LIFE MD COM 53216B104 2648 167358 SH SOLE NA 144538 0 22820 LIGAND PHARMACEUTICALS INC COM 53220K504 38179 250436 SH SOLE NA 244862 0 5574 LIMELIGHT NETWORKS COM 53261M104 4145 1160975 SH SOLE NA 970295 0 190680 LIQUIDITY SVCS INC COM 53635B107 27075 1457207 SH SOLE NA 1140347 0 316860 LITHIA MOTORS INCORPORATED COM 536797103 11093 28436 SH SOLE NA 27856 0 580 LIVEPERSON INC COM 538146101 159197 3018533 SH SOLE NA 2364922 0 653611 LOVESAC COMPANY COM 54738L109 46426 820255 SH SOLE NA 640286 0 179969 LUXFER HOLDINGS PLC COM G5698W116 20995 986615 SH SOLE NA 864625 0 121990 MACROGENICS INC COM 556099109 7812 245277 SH SOLE NA 213845 0 31432 MAGNITE INC COM 55955D100 212771 5113469 SH SOLE NA 4482320 0 631149 MATERION CORP COM 576690101 11301 170603 SH SOLE NA 149417 0 21186 MONOLITHIC PWR SYS COM 609839105 2757 7805 SH SOLE NA 6485 0 1320 MOTORCAR PARTS OF COM 620071100 638 28341 SH SOLE NA 28341 0 0 NAUTILUS INC COM 63910B102 56266 3597568 SH SOLE NA 3429529 0 168039 NEOGENOMICS INC COM 64049M209 17327 359256 SH SOLE NA 308335 0 50921 NEOLEUKIN THERAPEUTICS INC COM 64049K104 2468 200518 SH SOLE NA 176162 0 24356 NEOPHOTONICS CORP COM 64051T100 11517 963794 SH SOLE NA 905972 0 57822 NEURONETICS INC COM 64131A105 6866 555062 SH SOLE NA 516753 0 38309 NEW RELIC INC COM 64829B100 2394 38945 SH SOLE NA 32275 0 6670 NEWMARK GROUP INC COM 65158N102 9353 934844 SH SOLE NA 914592 0 20252 NUTANIX INC COM 67059N108 13179 496212 SH SOLE NA 444082 0 52130 ONESPAWORLD HOLDINGS LIMITED COM P73684113 40635 3815450 SH SOLE NA 2996112 0 819338 ONTO INNOVATION INC COM 683344105 3937 59908 SH SOLE NA 49557 0 10351 ORGANOGENESIS HOLDINGS INC COM 68621F102 36629 2010348 SH SOLE NA 1844888 0 165460 ORTHOPEDIATRICS CORP COM 68752L100 6362 130502 SH SOLE NA 110341 0 20161 OSI SYSTEMS INC COM 671044105 61705 642095 SH SOLE NA 503785 0 138310 PACIRA BIOSCIENCES INC COM 695127100 1085 15478 SH SOLE NA 12969 0 2509 PARATEK PHARMACEUTICALS INC COM 699374302 6055 857578 SH SOLE NA 755228 0 102350 PAYCOM SOFTWARE INC COM 70432V102 74875 202331 SH SOLE NA 160189 0 42142 PERFICIENT INC COM 71375U101 6986 118979 SH SOLE NA 104489 0 14490 PLUG POWER INC COM 72919P202 6138 171255 SH SOLE NA 167275 0 3980 PORCH GROUP INC COM 733245104 86903 4909784 SH SOLE NA 4099311 0 810473 POWER INTEGRATIONS COM 739276103 9448 115958 SH SOLE NA 109088 0 6870 PROOFPOINT, INC COM 743424103 2433 19341 SH SOLE NA 16026 0 3315 PROS HOLDINGS INC COM 74346Y103 16166 380372 SH SOLE NA 328532 0 51840 PROTARA THERAPEUTICS INC COM 74365U107 819 52026 SH SOLE NA 50466 0 1560 PROTO LABS INC COM 743713109 2584 21227 SH SOLE NA 17547 0 3680 PTC INC COM 69370C100 4174 30325 SH SOLE NA 25115 0 5210 PURE STORAGE INC COM 74624M102 5706 264916 SH SOLE NA 229936 0 34980 PURPLE INNOVATION, INC COM 74640Y106 6270 198090 SH SOLE NA 193660 0 4430 QUALYS INC COM 74758T303 3189 30432 SH SOLE NA 25102 0 5330 QUANTERIX CORPORATION COM 74766Q101 28233 482855 SH SOLE NA 438523 0 44332 RADWARE COM M81873107 3720 142624 SH SOLE NA 120544 0 22080 RAPID7 INCORPORATION COM 753422104 6098 81737 SH SOLE NA 70727 0 11010 RBC BEARINGS INC COM 75524B104 11296 57409 SH SOLE NA 48788 0 8621 REPLIGEN CORPORATION COM 759916109 7101 36528 SH SOLE NA 31508 0 5020 RINGCENTRAL INC COM 76680R206 1735 5824 SH SOLE NA 5824 0 0 RUSH ENTERPRISES COM 781846209 15270 306434 SH SOLE NA 266059 0 40375 SANGAMO THERAPEUTICS INC COM 800677106 2737 218468 SH SOLE NA 190307 0 28161 SAPIENS INTERNATIONAL CORP NV COM G7T16G103 21480 675674 SH SOLE NA 516694 0 158980 SCORPIO TANKERS INC COM Y7542C130 8968 485785 SH SOLE NA 471200 0 14585 SEER INC COM 81578P106 2338 46735 SH SOLE NA 38685 0 8050 SHARPS COMPLIANCE CORP COM 820017101 10859 755692 SH SOLE NA 755692 0 0 SHARPSPRING INC COM 820054104 7916 494736 SH SOLE NA 479488 0 15248 SHOTSPOTTER INCORPORATION COM 82536T107 20602 587453 SH SOLE NA 466733 0 120720 SI BONE INC COM 825704109 7900 248362 SH SOLE NA 223112 0 25250 SILICON LABORATORIES, INC COM 826919102 3034 21508 SH SOLE NA 17818 0 3690 SILICON MOTION TEC ADR 82706C108 7768 130793 SH SOLE NA 125646 0 5147 SILK ROAD MEDICAL INC COM 82710M100 14681 289846 SH SOLE NA 268143 0 21703 SPERO THERAPEUTICS INC COM 84833T103 5036 342113 SH SOLE NA 300484 0 41629 SPROUT SOCIAL INC COM 85209W109 58274 1008892 SH SOLE NA 794538 0 214354 SPS COMMERCE INC COM 78463M107 103235 1039525 SH SOLE NA 813262 0 226263 STAMPSCOM INC COM 852857200 43734 219205 SH SOLE NA 214440 0 4765 STRATEGIC EDUCATION INC COM 86272C103 29847 324742 SH SOLE NA 249472 0 75270 TECHTARGET INC COM 87874R100 5602 80656 SH SOLE NA 66756 0 13900 TETRA TECH INC COM 88162G103 4984 36721 SH SOLE NA 34964 0 1757 TEXAS CAPITAL BANCSHARES INC COM 88224Q107 11901 167803 SH SOLE NA 143383 0 24420 THE TRADE DESK INC COM 88339J105 5583 8567 SH SOLE NA 8567 0 0 TITAN MACHINERY INC COM 88830R101 13705 537437 SH SOLE NA 471917 0 65520 TRADEWEB MARKETS INC COM 892672106 1395 18856 SH SOLE NA 18856 0 0 TURNING POINT THERAPEUTICS INC COM 90041T108 4674 49413 SH SOLE NA 40869 0 8544 VAPOTHERM INC COM 922107107 8407 349989 SH SOLE NA 307473 0 42516 VARONIS SYSTEMS INC COM 922280102 12826 249825 SH SOLE NA 244095 0 5730 VERACYTE INC COM 92337F107 56907 1058737 SH SOLE NA 978687 0 80050 VERICEL CORPORATION COM 92346J108 20900 376229 SH SOLE NA 330910 0 45319 VICOR CORP COM 925815102 7201 84689 SH SOLE NA 80289 0 4400 VICTORY CAPITAL HOLDINGS, INC COM 92645B103 27786 1087088 SH SOLE NA 853255 0 233833 VIEW INC COM 92671V106 19756 2669779 SH SOLE NA 2067215 0 602564 VONAGE HOLDINGS CORPORATION COM 92886T201 4829 408549 SH SOLE NA 350579 0 57970 WESTERN DIGITAL CORP COM 958102105 21916 328327 SH SOLE NA 318637 0 9690 WILLSCOT MOBILE MINI HLDGS COM 971378104 13066 470857 SH SOLE NA 399909 0 70948 WIX COM LIMITED COM M98068105 3535 12662 SH SOLE NA 12482 0 180 WNS HOLDINGS LTD ADR 92932M101 5135 70885 SH SOLE NA 61165 0 9720 WORKIVA INC COM 98139A105 124229 1407538 SH SOLE NA 1102737 0 304801 XENCOR INC COM 98401F105 6139 142576 SH SOLE NA 117906 0 24670 XENON PHARMACEUTICALS INC COM 98420N105 1487 83088 SH SOLE NA 74278 0 8810 XERIS PHARMACEUTICALS INC COM 98422L107 1956 433710 SH SOLE NA 433710 0 0 ZSCALER INC COM 98980G102 3046 17741 SH SOLE NA 15556 0 2185