0001144204-17-038977.txt : 20170728 0001144204-17-038977.hdr.sgml : 20170728 20170728142943 ACCESSION NUMBER: 0001144204-17-038977 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20170630 FILED AS OF DATE: 20170728 DATE AS OF CHANGE: 20170728 EFFECTIVENESS DATE: 20170728 FILER: COMPANY DATA: COMPANY CONFORMED NAME: EMERALD ADVISERS INC/PA CENTRAL INDEX KEY: 0001015083 IRS NUMBER: 000000000 STATE OF INCORPORATION: PA FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-05618 FILM NUMBER: 17989432 BUSINESS ADDRESS: STREET 1: 3175 OREGON PIKE CITY: LEOLA STATE: PA ZIP: 17540 BUSINESS PHONE: 717-556-8900 MAIL ADDRESS: STREET 1: 3175 OREGON PIKE CITY: LEOLA STATE: PA ZIP: 17540 13F-HR 1 primary_doc.xml 13F-HR LIVE false false false 0001015083 XXXXXXXX 06-30-2017 06-30-2017 false EMERALD ADVISERS INC/PA

3175 Oregon Pike Leola PA 17540

13F HOLDINGS REPORT 028-05618 N Kenneth G. Mertz II 717-396-1116 /s/ Kenneth G. Mertz II Lancaster PA 07-28-2017 0 225 2393173 INFORMATION TABLE 2 infotable.xml APPLIED OPTOELECTRONICS INC COM 03823U102 12163 196851 SH SOLE 131156 0 65695 APPLE INC COM 037833100 1491 10353 SH SOLE 10353 0 0 ABBOTT LABS COM 002824100 988 20329 SH SOLE 19096 0 1233 ACADIA HEALTHCAREPANY INC COM 00404A109 2883 58394 SH SOLE 54456 0 3938 ACTUA CORP COM 005094107 147 10497 SH SOLE 10497 0 0 ADAMAS PHARMACEUTICALS INC COM 00548A106 9317 532727 SH SOLE 410845 0 121882 ALLIANCE DATA SYS CORP COM 018581108 2482 9668 SH SOLE 9032 0 636 AMERICAN EAGLE OUTFITTERS INC. COM 02553E106 5589 463798 SH SOLE 295682 0 168116 APPLIED GENETIC TECHNOLOGIES COM 03820J100 55 10875 SH SOLE 10875 0 0 AIMMUNE THERAPEUTICS INC COM 00900T107 11492 558946 SH SOLE 354736 0 204210 ALDER BIOPHARMACEUITICALS INC COM 014339105 13668 1193672 SH SOLE 745529 0 448143 ALNYLAM PHARMACEUTICALS INC COM 02043Q107 1382 17322 SH SOLE 16257 0 1065 ALARM.COM HOLDINGS INC COM 011642105 19860 527782 SH SOLE 336801 0 190981 AFFILIATED MANAGERS GROUP INC COM 008252108 2859 17237 SH SOLE 16068 0 1169 AMAZON.COM, INC COM 023135106 1331 1375 SH SOLE 1375 0 0 APOGEE ENTERPRISES INC COM 037598109 41607 731995 SH SOLE 466485 0 265510 ARRIS INTERNATIONAL PLC COM G0551A103 688 24561 SH SOLE 23249 0 1312 ATRICURE INC COM 04963C209 13259 546761 SH SOLE 324733 0 222028 ACTIVISION BLIZZARD INC COM 00507V109 1081 18781 SH SOLE 17595 0 1186 BROADCOM LTD COM Y09827109 2382 10221 SH SOLE 9425 0 796 AXALTA COATING SYSTEMS LTD COM G0750C108 1822 56870 SH SOLE 53278 0 3592 AUTOZONE INC COM 053332102 1290 2262 SH SOLE 2081 0 181 BIOTELEMETRY INC COM 090672106 756 22611 SH SOLE 22611 0 0 BERRY GLOBAL GROUP INC COM 08579W103 2494 43752 SH SOLE 40353 0 3399 BIOHAVEN PHARMACEUTICAL HOLDINGS COM G11196105 12447 497880 SH SOLE 314247 0 183633 BLUEBIRD BIO INC COM 09609G100 20608 196174 SH SOLE 125789 0 70385 BOFI HLDG INC COM 05566U108 31701 1336463 SH SOLE 854033 0 482430 BOX INC COM 10316T104 10805 592400 SH SOLE 367890 0 224510 BURLINGTON STORES INC COM 122017106 17140 186322 SH SOLE 121388 0 64934 BORGWARNER INC COM 099724106 1391 32837 SH SOLE 30688 0 2149 CITIGROUP INC COM 172967424 345 5151 SH SOLE 5151 0 0 CADENCE BANCORP COM 12739A100 1458 66650 SH SOLE 66650 0 0 CAVIUM INC COM 14964U108 28856 464452 SH SOLE 302617 0 161835 CROWN HOLDINGS INC COM 228368106 2300 38557 SH SOLE 35955 0 2602 CNB FINL CORP PA COM 126128107 9324 389003 SH SOLE 18616 0 370387 COGENT COMMUNICATIONS HOLDINGS COM 19239V302 22967 572738 SH SOLE 342331 0 230407 CHURCHILL DOWNS INC COM 171484108 8965 48907 SH SOLE 29788 0 19119 CHEGG INC COM 163092109 30871 2511894 SH SOLE 1688544 0 823350 CHUY'S HOLDINGS INC COM 171604101 10525 449771 SH SOLE 278588 0 171183 CIENA CORP COM 171779309 27717 1107807 SH SOLE 697619 0 410188 CLOUDERA INC COM 18914U100 5706 356180 SH SOLE 245080 0 111100 CLIFFS NATURAL RESOURCES INC COM 18683K101 10985 1587421 SH SOLE 1004351 0 583070 CLOVIS ONCOLOGY INC COM 189464100 23784 254024 SH SOLE 166142 0 87882 CINEMARK HOLDINGS INC COM 17243V102 2586 66574 SH SOLE 62182 0 4392 COHERENT INC COM 192479103 6945 30867 SH SOLE 19966 0 10901 CALLON PETROLEUM CO COM 13123X102 14748 1389984 SH SOLE 891422 0 498562 SALESFORCE.COM INC COM 79466L302 222 2563 SH SOLE 2563 0 0 CIRRUS LOGIC INC COM 172755100 7112 113390 SH SOLE 71310 0 42080 COSTAR GROUP INC COM 22160N109 631 2394 SH SOLE 2205 0 189 CATALENT INC COM 148806102 1809 51544 SH SOLE 47485 0 4059 CARETRUST REIT INC COM 14174T107 22741 1226579 SH SOLE 690261 0 536318 CITRIX SYS INC COM 177376100 471 5920 SH SOLE 5454 0 466 CUBESMART COM 229663109 763 31727 SH SOLE 29228 0 2499 CUSTOMERS BANCORP INC COM 23204G100 17792 629146 SH SOLE 342840 0 286306 DISNEY WALT PRODTNS COM 254687106 313 2946 SH SOLE 2946 0 0 DICKS SPORTING GOODS INC COM 253393102 1375 34513 SH SOLE 32330 0 2183 DELPHI AUTOMOTIVE PLC COM G27823106 1201 13698 SH SOLE 12620 0 1078 MASONITE INTERNATIONAL CORP COM 575385109 28140 372713 SH SOLE 236353 0 136360 DYCOM INDUSTRIES INC COM 267475101 38825 433699 SH SOLE 282136 0 151563 CHANNELADVISOR CORP COM 159179100 7622 659935 SH SOLE 531612 0 128323 8X8 INC NEW COM 282914100 34459 2368287 SH SOLE 1502330 0 865957 ENDOLOGIX INC COM 29266S106 142 29215 SH SOLE 29215 0 0 ELLIE MAE INC COM 28849P100 9691 88174 SH SOLE 55331 0 32843 ENERGIZER HOLDINGS INC COM 29272W109 1599 33295 SH SOLE 30672 0 2623 EPAM SYSTEMS INC COM 29414B104 36858 438319 SH SOLE 285212 0 153107 EQUINIX INC COM 29444U700 1256 2926 SH SOLE 2696 0 230 ENTERCOMMUNICATIONS CORP COM 293639100 230 22180 SH SOLE 22180 0 0 EDWARDS LIFESCIENCES COM 28176E108 618 5230 SH SOLE 4819 0 411 EAGLE MATLS INC COM 26969P108 604 6540 SH SOLE 6040 0 500 DIAMONDBACK ENERGY INC COM 25278X109 2002 22541 SH SOLE 21149 0 1392 FACEBOOK INC COM 30303M102 1417 9384 SH SOLE 9384 0 0 FCB FINANCIAL HOLDINGS INC COM 30255G103 30346 635513 SH SOLE 402653 0 232860 FIRST DATA CORP COM 32008D106 626 34420 SH SOLE 31710 0 2710 FIVE BELOW COM 33829M101 27107 549051 SH SOLE 363320 0 185731 NATIONAL BEVERAGE CORP COM 635017106 5763 61602 SH SOLE 43165 0 18437 FOOT LOCKER INC COM 344849104 242 4911 SH SOLE 4911 0 0 KEANE GROUP INC COM 48669A108 13508 844227 SH SOLE 531297 0 312930 FRESHPET INC COM 358039105 11230 676504 SH SOLE 346521 0 329983 FORTINET INC COM 34959E109 2339 62476 SH SOLE 58094 0 4382 GLU MOBILE INC COM 379890106 141 56300 SH SOLE 56300 0 0 GMS INC COM 36251C103 22937 816257 SH SOLE 521885 0 294372 ALPHABET INC CL C COM 02079K107 523 575 SH SOLE 575 0 0 ALPHABET INC CLA A COM 02079K305 535 575 SH SOLE 575 0 0 GSV CAP CORP COM 36191J101 3253 749452 SH SOLE 542308 0 207144 G1 THERAPEUTICS INC COM 3621LQ109 12390 710456 SH SOLE 448026 0 262430 GTT COMMUNICATIONS INC COM 362393100 37029 1169966 SH SOLE 768512 0 401454 GUIDEWIRE SOFTWARE INC COM 40171V100 20356 296260 SH SOLE 186188 0 110072 HOME DEPOT INC COM 437076102 308 2009 SH SOLE 2009 0 0 HAMILTON LANE INC COM 407497106 266 12080 SH SOLE 12080 0 0 INSTALLED BUILDING PRODUCTS COM 45780R101 39193 740196 SH SOLE 480495 0 259701 IntercontinentalExchange Group, Inc COM 45866F104 593 9000 SH SOLE 9000 0 0 IMPERVA INC COM 45321L100 27157 567542 SH SOLE 359503 0 208039 INCYTE PHARMACEUTICALS INC COM 45337C102 1622 12883 SH SOLE 12066 0 817 INOVIO PHARMACEUTICALS INC COM 45773H201 87 11043 SH SOLE 11043 0 0 INSMED INC COM 457669307 22057 1285365 SH SOLE 811880 0 473485 INTUIT INC COM 461202103 1015 7642 SH SOLE 7041 0 601 INNOSPEC INC COM 45768S105 16863 257253 SH SOLE 161535 0 95718 IPG PHOTONICS CORP COM 44980X109 25991 179125 SH SOLE 115325 0 63800 INPHI CORP COM 45772F107 8991 262142 SH SOLE 165862 0 96280 INTEGER HOLDINGS CORP COM 45826H109 11817 273230 SH SOLE 181541 0 91689 JACK IN THE BOX INC COM 466367109 16293 165409 SH SOLE 105996 0 59413 JAZZ PHARMACEUTICALS PLC SHS COM G50871105 1281 8238 SH SOLE 7589 0 649 JONES ENERGY INC COM 48019R108 92 57432 SH SOLE 57432 0 0 JONES SODA CO COM 48023P106 47 94124 SH SOLE 94124 0 0 KORN FERRY INTERNATIONAL COM 500643200 913 26435 SH SOLE 24357 0 2078 KLX INC COM 482539103 30946 618917 SH SOLE 392862 0 226055 KENNAMETAL INC COM 489170100 26016 695238 SH SOLE 449772 0 245466 KNOLL INC COM 498904200 7573 377718 SH SOLE 233119 0 144599 KOPPERS HOLDINGS INC COM 50060P106 539 14898 SH SOLE 14898 0 0 THE KROGER CO COM 501044101 2335 100146 SH SOLE 92360 0 7786 KRATOS DEFENSE AND SECURITY COM 50077B207 23266 1960072 SH SOLE 1234298 0 725774 K2M GROUP HOLDINGS INC COM 48273J107 27040 1110020 SH SOLE 702517 0 407503 LAZARD LTD-CL A COM G54050102 1347 29082 SH SOLE 27114 0 1968 LEAF GROUP LTD COM 52177G102 89 11423 SH SOLE 11423 0 0 LUMENTUM HOLDINGS INC COM 55024U109 30852 540788 SH SOLE 341319 0 199469 SOUTHWEST AIR COM 844741108 1934 31126 SH SOLE 29289 0 1837 MID-AMER APT CMNTYS INC COM 59522J103 659 6252 SH SOLE 5759 0 493 MASCO CORP COM 574599106 2395 62684 SH SOLE 58493 0 4191 MATTHEWS INTL CORP CL A COM 577128101 16683 272369 SH SOLE 165410 0 106959 MOELIS & CO COM 60786M105 17871 460001 SH SOLE 296532 0 163469 MGM RESORTS INTERNATIONAL COM 552953101 3510 112165 SH SOLE 104651 0 7514 MACROGENICS INC COM 556099109 7956 454345 SH SOLE 285097 0 169248 MIDDLEBY CORP COM 596278101 1413 11631 SH SOLE 10927 0 704 MALVERN BANCORP INC COM 561409103 892 37251 SH SOLE 5524 0 31727 MONSTER BEVERAGE CORPORATION COM 61174X109 949 19093 SH SOLE 17962 0 1131 MODEL N INC COM 607525102 10495 789070 SH SOLE 580518 0 208552 MID PENN BANCORP INC COM 59540G107 813 30098 SH SOLE 1009 0 29089 MERCURY SYSTEMS INC COM 589378108 28139 668551 SH SOLE 419390 0 249161 MICROSEMI CORP COM 595137100 22340 477357 SH SOLE 305454 0 171903 MICROSOFT CORP COM 594918104 1549 22472 SH SOLE 22472 0 0 MICROSTRATEGY INC COM 594972408 33203 173230 SH SOLE 109952 0 63278 MERITAGE CORP COM 59001A102 15147 358938 SH SOLE 225338 0 133600 MACOM TECHNOLOGY SOLUTIONS COM 55405Y100 5773 103510 SH SOLE 66563 0 36947 MANITOWOC COMPANY COM 563571108 9457 1573625 SH SOLE 1027810 0 545815 MICRON TECHNOLOGY INC COM 595112103 1060 35504 SH SOLE 33127 0 2377 MAXLINEAR INC CLASS A COM 57776J100 12959 464640 SH SOLE 291960 0 172680 NEUROCRINE BIOSCIENCES, INC COM 64125C109 4639 100844 SH SOLE 63192 0 37652 NEOGENOMICS INC COM 64049M209 11185 1248371 SH SOLE 802710 0 445661 NANTHEALTH INC COM 630104107 2058 486515 SH SOLE 350606 0 135909 SERVICENOW INC COM 81762P102 2533 23893 SH SOLE 22295 0 1598 NUTRI SYS INC NEW COM 67069D108 30449 584998 SH SOLE 369658 0 215340 NV5 GLOBAL INC COM 62945V109 6946 163435 SH SOLE 108530 0 54905 NEXSTAR MEDIA GROUP INC COM 65336K103 25431 425260 SH SOLE 288240 0 137020 OASIS PETE INC NEW COM 674215108 759 94276 SH SOLE 88130 0 6146 OBALON THERAPEUTICS INC COM 67424L100 100 10072 SH SOLE 10072 0 0 OCLARO INC COM 67555N206 17357 1858334 SH SOLE 1178404 0 679930 OLLIE'S BARGAIN OUTLET HOLDINGS COM 681116109 26835 629923 SH SOLE 385279 0 244644 ON SEMICONDUCTOR CORPORATION COM 682189105 1471 104775 SH SOLE 96519 0 8256 OPUS BANK COM 684000102 14756 609732 SH SOLE 392903 0 216829 OSI SYSTEMS INC COM 671044105 207 2758 SH SOLE 2758 0 0 BANK OF THE OZARKS INC COM 063904106 37744 805300 SH SOLE 526365 0 278935 PACWEST BANCORP DEL COM 695263103 760 16279 SH SOLE 14994 0 1285 PALO ALTO NETWORKS, INC COM 697435105 1728 12915 SH SOLE 12031 0 884 VERIFONE SYSTEMS INC COM 92342Y109 1053 58173 SH SOLE 53595 0 4578 PUMA BIOTECHNOLOGY INC COM 74587V107 27765 317680 SH SOLE 204840 0 112840 PDC ENERGY INC COM 69327R101 10785 250166 SH SOLE 168978 0 81188 PARSLEY ENERGY INC COM 701877102 1163 41893 SH SOLE 38596 0 3297 PENN NATL GAMING INC COM 707569109 5671 264985 SH SOLE 157489 0 107496 PROOFPOINT INC COM 743424103 35866 413059 SH SOLE 269125 0 143934 DAVE & BUSTER'S ENTERTAINMENT INC. COM 238337109 13153 197759 SH SOLE 122865 0 74894 PLANET FITNESS INC COM 72703H101 17104 732815 SH SOLE 467864 0 264951 Plug Power, Inc COM 72919P202 20 10015 SH SOLE 10015 0 0 PACIFIC PREMIER BANCORP COM 69478X105 28678 777172 SH SOLE 508685 0 268487 PRIMORIS SERVICES CORP COM 74164F103 20923 838934 SH SOLE 529426 0 309508 PTC INC COM 69370C100 1650 29941 SH SOLE 27817 0 2124 PORTOLA PHARMACEUTICALS INC COM 737010108 24952 444218 SH SOLE 279575 0 164643 QTS REALTY TRUST INC COM 74736A103 26639 509061 SH SOLE 321544 0 187517 ROYAL CARIBBEAN CRUISES LTD COM V7780T103 2362 21621 SH SOLE 20121 0 1500 REATA PHARMACEUTICALS INC COM 75615P103 12859 406426 SH SOLE 261726 0 144700 RICE ENERGY COM 762760106 613 23031 SH SOLE 21919 0 1112 RANGE RES CORP COM 75281A109 1368 59054 SH SOLE 54403 0 4651 RED ROBIN GOURMET BURGERS INC COM 75689M101 11144 170783 SH SOLE 107324 0 63459 IGNYTA INC COM 451731103 16905 1633345 SH SOLE 1038767 0 594578 SAGE THERAPEUTICS INC COM 78667J108 14559 182804 SH SOLE 112774 0 70030 SPIRIT AIRLS INC COM 848577102 30527 591042 SH SOLE 385154 0 205888 SBA COMMUNICATIONS CORP CL A COM 78410G104 2454 18188 SH SOLE 16876 0 1312 SINCLAIR BROADCAST GROUP INCCL A COM 829226109 2149 65327 SH SOLE 60803 0 4524 STARBUCKS CORP COM 855244109 416 7129 SH SOLE 7129 0 0 SAFEGUARD SCIENTIFICS INC COM 786449207 144 12087 SH SOLE 12087 0 0 MADDEN STEVEN LTD COM 556269108 15855 396877 SH SOLE 249787 0 147090 SVB FINL GROUP COM 78486Q101 1237 7036 SH SOLE 6560 0 476 SIX FLAGS ENTERTAINMENT CORP COM 83001A102 1997 33494 SH SOLE 30858 0 2636 US SILICA HOLDINGS INC COM 90346E103 16305 459437 SH SOLE 296183 0 163254 SM ENERGY CO COM 78454L100 583 35243 SH SOLE 32993 0 2250 SNAP-ON INC COM 833034101 1604 10151 SH SOLE 9353 0 798 S&P GLOBAL INC COM 78409V104 2004 13730 SH SOLE 12649 0 1081 SEQUENTIAL BRANDS GROUP INC COM 81734P107 4749 1190348 SH SOLE 827365 0 362983 SAREPTA THERAPEUTICS INC COM 803607100 29510 875407 SH SOLE 565110 0 310297 STEEL DYNAMICS INC COM 858119100 1318 36803 SH SOLE 33904 0 2899 CONSTELLATION BRANDS INC COM 21036P108 414 2136 SH SOLE 2136 0 0 SUPERNUS PHARMACEUTICALS INC COM 868459108 21474 498230 SH SOLE 313610 0 184620 SKYWORKS SOLUTIONS INC COM 83088M102 2310 24077 SH SOLE 22531 0 1546 TELADOC INC COM 87918A105 19639 565957 SH SOLE 359210 0 206747 THOR INDUSTRIES INC COM 885160101 629 6022 SH SOLE 5548 0 474 TILLY'S INC-CLASS A SHRS COM 886885102 6104 601408 SH SOLE 493886 0 107522 TIMKENSTEEL CORP COM 887399103 11509 748778 SH SOLE 471578 0 277200 TENNANT CO COM 880345103 17144 232308 SH SOLE 146693 0 85615 TOLL BROS INC COM 889478103 6099 154365 SH SOLE 53031 0 101334 TUTOR PERINI CORPORATION COM 901109108 27044 940661 SH SOLE 566873 0 373788 LENDINGTREE INC COM 52603B107 49570 287861 SH SOLE 197681 0 90180 TREX INC COM 89531P105 36542 540080 SH SOLE 339693 0 200387 TABULA RASA HEALTHCARE INC COM 873379101 5898 391884 SH SOLE 246465 0 145419 TRISTATE CAPITAL HOLDINGS COM 89678F100 361 14306 SH SOLE 14306 0 0 TETRA TECH INC COM 88162G103 26451 578157 SH SOLE 363705 0 214452 TILE SHOP HLDGS INC COM 88677Q109 21875 1059339 SH SOLE 671093 0 388246 TAKE TWO INTERACTIVE SOFTWARE COM 874054109 26398 359737 SH SOLE 230668 0 129069 HOSTESS BRANDS INC COM 44109J106 25625 1591603 SH SOLE 1032123 0 559480 ULTA BEAUTY INC COM 90384S303 1698 5908 SH SOLE 5442 0 466 USA TECHNOLOGIES INC COM 90328S500 64 12390 SH SOLE 12390 0 0 US CONCRETE INC COM 90333L201 29369 373886 SH SOLE 240096 0 133790 VEEVA SYSTEMS INC COM 922475108 32841 535660 SH SOLE 346972 0 188688 VONAGE HOLDINGS CORP COM 92886T201 33531 5127037 SH SOLE 3266552 0 1860485 VULCAN MATERIALS COMPANY COM 929160109 2510 19815 SH SOLE 18539 0 1276 VANTIV INC COM 92210H105 644 10160 SH SOLE 9360 0 800 VARONIS SYSTEMS INC COM 922280102 28176 757430 SH SOLE 479836 0 277594 VWR CORP COM 91843L103 267 8090 SH SOLE 8090 0 0 WABTEC CORPORATION COM 929740108 3420 37374 SH SOLE 35118 0 2256 WEST PHARMACEUTICAL SVCS INC COM 955306105 238 2520 SH SOLE 2520 0 0 WINTRUST FINANCIAL CORP COM 97650W108 288 3770 SH SOLE 3770 0 0 WYNN RESORTS LTD COM 983134107 1736 12947 SH SOLE 12056 0 891 INTREXON CORP COM 46122T102 657 27281 SH SOLE 25609 0 1672 DENTSPLY SIRONA INC COM 24906P109 1584 24423 SH SOLE 22863 0 1560 ZAGG INC COM 98884U108 94 10902 SH SOLE 10902 0 0 ZIMMER BIOMET HOLDINGS INC COM 98956P102 542 4222 SH SOLE 3890 0 332 ZYNGA INC COM 98986T108 122 33491 SH SOLE 33491 0 0