0001144204-11-043364.txt : 20110802
0001144204-11-043364.hdr.sgml : 20110802
20110802150334
ACCESSION NUMBER: 0001144204-11-043364
CONFORMED SUBMISSION TYPE: 13F-HR
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20110630
FILED AS OF DATE: 20110802
DATE AS OF CHANGE: 20110802
EFFECTIVENESS DATE: 20110802
FILER:
COMPANY DATA:
COMPANY CONFORMED NAME: EMERALD ADVISERS INC/PA
CENTRAL INDEX KEY: 0001015083
IRS NUMBER: 000000000
FILING VALUES:
FORM TYPE: 13F-HR
SEC ACT: 1934 Act
SEC FILE NUMBER: 028-05618
FILM NUMBER: 111003314
BUSINESS ADDRESS:
STREET 1: 1857 WILLIAM PENN WAY
STREET 2: SUITE 203
CITY: LANCASTER
STATE: PA
ZIP: 17601
BUSINESS PHONE: 7173961116
13F-HR
1
v230578_13f-hr.txt
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form 13F
Form 13F COVER PAGE
Report for the Calendar Year or Quarter Ended: June 30, 2011
Check here if Amendment [ ]; Amendment Number: ___
This Amendment (Check only one.): [ ] is a restatement.
[ ] adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: Emerald Advisers, Inc.
Address: 1703 Oregon Pike
Suite 101
Lancaster, PA 17601
Form 13F File Number: 028-05618
The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct and
complete, and that it is understood that all required items, statements,
schedules, lists and tables, are considered integral parts of this form.
Person Signing this Report on Behalf of Reporting Manager:
Name: Kenneth G. Mertz II
Title: President
Phone: 717-396-1116
Signature, Place, and Date of Signing:
Kenneth G. Mertz II Lancaster, Pennsylvania August 1, 2011
Report Type (Check only one.):
[x] 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager
are reported in this report.
[ ] 13F NOTICE. (Check here if no holdings reported are in this report, and
all holdings are reported by other reporting manager(s).)
[ ] 13F COMBINATION REPORT. (Check here if a portion of the holdings for this
reporting manager are reported in this report and a portion are reported
by other reporting manager(s).)
List of Other Managers Reporting for this Manager:
None.
Form 13F SUMMARY PAGE
REPORT SUMMARY:
NUMBER OF OTHER INCLUDED MANAGERS: 0
FORM 13F INFORMATION TABLE ENTRY TOTAL: 366
FORM 13F INFORMATION TABLE VALUE TOTAL: $1,407,715
(thousands)
List of other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all
institutional investment managers with respect to which this report is filed,
other than the manager filing this report.
[If there are no entries in this list, state NONE and omit the column headings
and list entries.]
NONE
EMERALD ADVISERS PAGE 1
FORM 13F INFORMATION TABLE
AS OF DATE: 06/30/11
VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
3M COMPANY COM COM 88579Y101 287 3027 SH SOLE 3027 0 0
3-D SYS CORP DEL COM NEW COM 88554D205 13117 665510 SH SOLE 471491 0 194019
A T & T INC (NEW) COM 00206R102 844 26867 SH SOLE 26867 0 0
ABBOTT LABS COM 002824100 260 4947 SH SOLE 4947 0 0
ABINGTON COMMUNITY BANCORP COM 00350L109 1470 140918 SH SOLE 21421 0 119497
ABOVENET INC COM COM 00374N107 12745 180878 SH SOLE 139321 0 41557
ACME PACKET INC COM COM 004764106 9966 142105 SH SOLE 110050 0 32055
ADTRAN INC COM COM 00738A106 6441 166384 SH SOLE 127052 0 39332
AFFILIATED MANAGERS GROUP INCO COM 008252108 2143 21123 SH SOLE 20122 0 1001
AIR TRANSPORT SERVICES GROUP COM 00922R105 3253 474827 SH SOLE 356582 0 118245
AIRGAS INC COM COM 009363102 7164 102280 SH SOLE 15560 0 86720
ALKERMES INC COM COM 01642T108 10057 540682 SH SOLE 425685 0 114997
ALLEGHENY TECHNOLOGIES INC COM COM 01741R102 10005 157639 SH SOLE 57950 0 99689
ALLIED NEVADA GOLD CORP COM COM 019344100 11519 325675 SH SOLE 260331 0 65344
ALTRIA GROUP INC COM COM 02209S103 234 8860 SH SOLE 8860 0 0
AMARIN CORP PLC SPONS ADR NEW COM 023111206 2654 183917 SH SOLE 174451 0 9466
AMERICAN CAMPUS CMNTYS INC COM COM 024835100 211 5930 SH SOLE 5930 0 0
AMERICAN EAGLE OUTFITTERS INC. COM 02553E106 2302 180533 SH SOLE 27465 0 153068
AMERICAN EXPRESS CO COM 025816109 318 6149 SH SOLE 6149 0 0
AMERICAN RAILCAR INDS INC COM COM 02916P103 6134 261565 SH SOLE 200162 0 61403
AMERIGROUP CORP COM COM 03073T102 1255 17806 SH SOLE 16880 0 926
AMERISOURCEBERGEN CORP COM COM 03073E105 7980 192750 SH SOLE 29271 0 163479
AMETEK INC NEW COM COM 031100100 10737 239121 SH SOLE 36364 0 202757
AMGEN INC COM COM 031162100 240 4120 SH SOLE 4120 0 0
AMPCO-PITTSBURG CORP COM COM 032037103 475 20255 SH SOLE 3096 0 17159
ANSYS INC COM COM 03662Q105 10214 186835 SH SOLE 28898 0 157937
APACHE CORP COM COM 037411105 289 2341 SH SOLE 2341 0 0
APPLE COMPUTER INC COM 037833100 1227 3655 SH SOLE 3655 0 0
APPLIED INDL TECHNLGIES INC CO COM 03820C105 3368 94576 SH SOLE 71896 0 22680
AQUA AMERICA INC COM 03836W103 3713 168922 SH SOLE 25651 0 143271
ARCOS DORADOS HOLDINGS INC COM G0457F107 314 14900 SH SOLE 14900 0 0
ARUBA NETWORKS INC COM COM 043176106 12668 428700 SH SOLE 342027 0 86673
ASPEN INSURANCE HOLDINGS LTDSH COM G05384105 213 8280 SH SOLE 8280 0 0
ATLAS AIR WORLDWIDE HLDGS INCO COM 049164205 1923 32322 SH SOLE 30640 0 1682
ATLAS ENERGY LP COM 04930A104 1489 68513 SH SOLE 10761 0 57752
ATMEL CORP COM COM 049513104 1848 131314 SH SOLE 124487 0 6827
AXIS CAPITAL HOLDINGS SHS COM G0692U109 212 6860 SH SOLE 6860 0 0
BANCORP INC DEL COM COM 05969A105 416 39830 SH SOLE 39830 0 0
BANK OF MARIN BANCORP COM COM 063425102 350 9897 SH SOLE 9897 0 0
BANK OF THE OZARKS INC COM COM 063904106 7665 147225 SH SOLE 117382 0 29843
BASIC ENERGY SVCS INC NEW COM COM 06985P100 12676 402808 SH SOLE 317952 0 84856
BE AEROSPACE INC COM COM 073302101 2578 63165 SH SOLE 59904 0 3261
BERKSHIRE HATHAWAY INC DEL CL COM 084670702 768 9920 SH SOLE 9920 0 0
BIOMIMETIC THERAPEUTICS INC CO COM 09064X101 521 101680 SH SOLE 77680 0 24000
BIO-REFERENCE LABS INC COM PAR COM 09057G602 5358 256354 SH SOLE 195785 0 60569
BJ'S RESTAURANT INC COM 09180C106 13150 251147 SH SOLE 176230 0 74917
BLACK BOX CORP COM COM 091826107 6606 211260 SH SOLE 32109 0 179151
BLACKBOARD INC COM COM 091935502 593 13659 SH SOLE 12948 0 711
BLUEGREEN CORP COM COM 096231105 2737 934058 SH SOLE 709068 0 224990
BODY CENTRAL CORP COM 09689U102 11087 471194 SH SOLE 364344 0 106850
BORG WARNER AUTOMOTIVE INC COM COM 099724106 2204 27275 SH SOLE 25856 0 1419
EMERALD ADVISERS PAGE 2
FORM 13F INFORMATION TABLE
AS OF DATE: 06/30/11
VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
BRANDYWINE RLTY TR SH BEN INT COM 105368203 1295 111750 SH SOLE 16990 0 94760
BRAVO BRIO RESTAURANT GROUP COM 10567B109 5223 213776 SH SOLE 163399 0 50377
BRISTOL MYERS SQUIBB CO COM 110122108 292 10071 SH SOLE 10071 0 0
BROADSOFT INC COM COM 11133B409 239 6275 SH SOLE 6275 0 0
BROCADE COMMUNICATIONS SYS ICO COM 111621306 871 134770 SH SOLE 127790 0 6980
BRYN MAWR BK CORP COM COM 117665109 3641 179787 SH SOLE 32905 0 146882
BUFFALO WILD WINGS INC COM COM 119848109 345 5200 SH SOLE 5200 0 0
CALIFORNIA UTD BK ENCINO CA CO COM 130781107 307 25070 SH SOLE 25070 0 0
CAPITAL ONE FINL CORP COM COM 14040H105 224 4326 SH SOLE 4326 0 0
CAPITOL FEDERAL FINANCIAL COM 14057J101 129 10949 SH SOLE 10949 0 0
CARBO CERAMICS INC COM COM 140781105 1784 10948 SH SOLE 10378 0 570
CARDINAL FINL CORP COM COM 14149F109 271 24770 SH SOLE 24770 0 0
CAROLINA TR BK LINCOLNTON NCCO COM 144200102 35 11950 SH SOLE 11950 0 0
CARPENTER TECHNOLOGY CORP COM COM 144285103 6552 113600 SH SOLE 17260 0 96340
CASS INFORMATION SYS INC COM COM 14808P109 464 12290 SH SOLE 12290 0 0
CATALYST HEALTH SOLUTIONS INC COM 14888B103 11518 206345 SH SOLE 161292 0 45053
CATERPILLAR INC COM COM 149123101 250 2345 SH SOLE 2345 0 0
CAVIUM INC COM COM 14964U108 9222 211570 SH SOLE 138014 0 73556
CB RICHARD ELLIS GROUP INC CL COM 12497T101 1097 43687 SH SOLE 41416 0 2271
CELGENE CORP COM COM 151020104 267 4420 SH SOLE 4420 0 0
CF INDS HLDGS INC COM COM 125269100 1899 13401 SH SOLE 12704 0 697
CHARMING SHOPPES INC COM COM 161133103 1541 370421 SH SOLE 56343 0 314078
CHART INDS INC COM PAR $0.01 COM 16115Q308 9741 180447 SH SOLE 149267 0 31180
CHENIERE ENERGY INC COM NEW COM 16411R208 4777 521467 SH SOLE 280123 0 241344
CHEVRONTEXACO CORPORATION COM 166764100 1415 13762 SH SOLE 13762 0 0
CHICOS FAS INC COM COM 168615102 962 63174 SH SOLE 59887 0 3287
CHIPOTLE MEXICAN GRILL-CL A COM 169656105 2071 6721 SH SOLE 6413 0 308
CISCO SYS INC COM COM 17275R102 396 25393 SH SOLE 25393 0 0
CITIGROUP INC COM 172967424 612 14699 SH SOLE 14699 0 0
CITIZENS FINL SVCS INC COM COM 174615104 837 23147 SH SOLE 5230 0 17917
CITIZENS & NORTHERN CORP COM COM 172922106 1578 104717 SH SOLE 15912 0 88805
CITRIX SYS INC COM COM 177376100 1939 24233 SH SOLE 22983 0 1250
CNB FINL CORP PA COM COM 126128107 1804 129901 SH SOLE 19738 0 110163
COACH INC COM COM 189754104 2073 32419 SH SOLE 30733 0 1686
COCA COLA CO COM 191216100 820 12186 SH SOLE 12186 0 0
COMCAST CORP NEW COM CL A COM 20030N101 313 12369 SH SOLE 12369 0 0
CONOCOPHILLIPS COM COM 20825C104 896 11914 SH SOLE 11914 0 0
CONSOL ENERGY INC COM COM 20854P109 1224 25250 SH SOLE 23936 0 1314
COOPER COS INC COM NEW COM 216648402 1248 15747 SH SOLE 14928 0 819
COST PLUS INC CALIF COM COM 221485105 7481 748099 SH SOLE 577030 0 171069
CROCS INC COM COM 227046109 14442 560857 SH SOLE 431289 0 129568
CROWN HOLDINGS INC COM COM 228368106 4958 127730 SH SOLE 19415 0 108315
CUMMINS ENGINE INC COM COM 231021106 2798 27033 SH SOLE 25634 0 1399
CVS CORP COM COM 126650100 258 6874 SH SOLE 6874 0 0
CYPRESS SEMICONDUCTOR CORP COM COM 232806109 1247 59001 SH SOLE 55933 0 3068
DALECO RES CORP COM NEW COM 23437P208 206 687500 SH SOLE 0 0 687500
DELL INC COM 24702R101 195 11708 SH SOLE 11708 0 0
DEMANDTEC INC COM 24802R506 7183 789298 SH SOLE 608238 0 181060
DENDREON CORP COM COM 24823Q107 1011 25643 SH SOLE 24310 0 1333
DENTSPLY INTL INC NEW COM COM 249030107 3497 91846 SH SOLE 13965 0 77881
DIAMOND FOODS INC COM 252603105 15320 200681 SH SOLE 154226 0 46455
EMERALD ADVISERS PAGE 3
FORM 13F INFORMATION TABLE
AS OF DATE: 06/30/11
VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
DIAMONDROCK HOSPITALITY CO COM COM 252784301 271 25280 SH SOLE 25280 0 0
DICE HLDGS INC COM COM 253017107 4455 329517 SH SOLE 251667 0 77850
DICKS SPORTING GOODS INC OC-CO COM 253393102 7100 184664 SH SOLE 53427 0 131237
DISNEY WALT PRODTNS COM 254687106 318 8146 SH SOLE 8146 0 0
DOLLAR TREE INC COM 256746108 2878 43199 SH SOLE 40967 0 2232
DOMINION RES INC VA NEW COM COM 25746U109 248 5145 SH SOLE 5145 0 0
DONEGAL GROUP INC J CL A COM 257701201 1051 82106 SH SOLE 12485 0 69621
DORMAN PRODUCTS INC COM COM 258278100 2582 65237 SH SOLE 9915 0 55322
DUPONT FABROS TECHNOLOGY INCCO COM 26613Q106 6571 260763 SH SOLE 177061 0 83702
EAGLE BANCORP INC MD COM COM 268948106 230 17303 SH SOLE 17303 0 0
EAST WEST BANCORP INC COM COM 27579R104 410 20270 SH SOLE 20270 0 0
EASTERN INS HLDGS INC COM COM 276534104 1114 84251 SH SOLE 12799 0 71452
EDUCATION MANAGEMENT CORP COM 28140M103 999 41730 SH SOLE 6350 0 35380
ENERSYS COM COM 29275Y102 5276 153270 SH SOLE 23320 0 129950
ENVESTNET INC COM 29404K106 318 21410 SH SOLE 21410 0 0
ENVIRONMENTAL TECTONICS CORPCO COM 294092101 463 243835 SH SOLE 23350 0 220485
EQT CORP COM COM 26884L109 3301 62861 SH SOLE 9776 0 53085
ERIE INDTY CO CL A COM 29530P102 1604 22684 SH SOLE 3455 0 19229
ESTERLINE TECHNOLOGIES CORP CO COM 297425100 14371 188103 SH SOLE 147590 0 40513
EXXON CORPORATION COM 30231G102 2262 27793 SH SOLE 27793 0 0
F N B CORP PA COM COM 302520101 1635 158010 SH SOLE 27710 0 130300
F5 NETWORKS INC COM COM 315616102 287 2600 SH SOLE 2600 0 0
FARO TECHNOLOGIES INC COM COM 311642102 18272 417178 SH SOLE 319385 0 97793
FINISH LINE INC CL A COM 317923100 10412 486564 SH SOLE 373374 0 113190
FIRST CALIFORNIA FINANCIAL GCO COM 319395109 136 38000 SH SOLE 38000 0 0
FIRST CTZNS BANCSHARES NC CL A COM 31946M103 270 1442 SH SOLE 1442 0 0
FIRST FINL BANCORP COM COM 320209109 178 10667 SH SOLE 10667 0 0
FIRST FINL BANCSHARES INC COM COM 32020R109 248 7200 SH SOLE 7200 0 0
FIRST LONG IS CORP COM COM 320734106 361 12945 SH SOLE 12945 0 0
FIRSTMERIT CORP COM COM 337915102 226 13713 SH SOLE 13713 0 0
FORD MTR CO DEL COM PAR $0.01 COM 345370860 330 23931 SH SOLE 23931 0 0
FORTINET INC COM 34959E109 14078 515849 SH SOLE 400309 0 115540
FOSTER L B CO COM COM 350060109 1563 47490 SH SOLE 7220 0 40270
FREEPORT MCMORAN COPPER&GOLDCL COM 35671D857 466 8816 SH SOLE 8816 0 0
FRESH MARKET INC COM 35804H106 5082 131388 SH SOLE 101378 0 30010
FULTON FINL CORP PA COM COM 360271100 892 83315 SH SOLE 12668 0 70647
FUSION-IO INC COM 36112J107 1298 43139 SH SOLE 34466 0 8673
GARDNER DENVER MACHY INC COM COM 365558105 7579 90170 SH SOLE 12994 0 77176
GENERAL ELEC CO COM 369604103 893 47358 SH SOLE 47358 0 0
GEVO INC COM 374396109 3894 247532 SH SOLE 189168 0 58364
GLOBAL GEOPHYSICAL SVCS INC CO COM 37946S107 242 13600 SH SOLE 13600 0 0
GNC HOLDINGS INC COM 36191G107 14243 653059 SH SOLE 270771 0 382288
GOLDMAN SACHS GROUP INC COM COM 38141G104 541 4064 SH SOLE 4064 0 0
GOOGLE INC CL A COM 38259P508 480 948 SH SOLE 948 0 0
GREEN DOT CORP CL A COM 39304D102 625 18394 SH SOLE 17437 0 957
GREEN MTN COFFEE ROASTERS INCO COM 393122106 1640 18378 SH SOLE 17656 0 722
GUARANTY BANCORP DEL COM COM 40075T102 59 43430 SH SOLE 43430 0 0
GUESS INC COM COM 401617105 1570 37325 SH SOLE 35384 0 1941
GULFPORT ENERGY CORP COM NEW COM 402635304 16137 543506 SH SOLE 351848 0 191658
G-III APPAREL GROUP LTD COM COM 36237H101 6115 177233 SH SOLE 135355 0 41878
HANCOCK HLDG CO COM COM 410120109 255 8237 SH SOLE 8237 0 0
EMERALD ADVISERS PAGE 4
FORM 13F INFORMATION TABLE
AS OF DATE: 06/30/11
VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
HARSCO CORP COM COM 415864107 2668 81840 SH SOLE 12425 0 69415
HASBRO INC COM COM 418056107 836 19041 SH SOLE 18050 0 991
HEALTHCARE SVCS GROUP INC COM COM 421906108 1599 98400 SH SOLE 15052 0 83348
HEALTHSOUTH CORP COM 421924309 9701 369554 SH SOLE 283030 0 86524
HERBALIFE LTD COM USD SHS COM G4412G101 1998 34663 SH SOLE 32860 0 1803
HERITAGE FINL CORP WASH COM COM 42722X106 145 11250 SH SOLE 11250 0 0
HERSHA HOSPITALITY TR PRIORITY COM 427825104 4208 755515 SH SOLE 125796 0 629719
HEWLETT PACKARD CO COM COM 428236103 544 14953 SH SOLE 14953 0 0
HIBBETT SPORTS INC COM COM 428567101 12665 311100 SH SOLE 237014 0 74086
HOLOGIC INC COM 436440101 1207 59831 SH SOLE 56718 0 3113
HOME BANCSHARES INC COM COM 436893200 227 9610 SH SOLE 9610 0 0
HOME DEPOT INC COM COM 437076102 267 7361 SH SOLE 7361 0 0
HORIZON BANCORP IND COM COM 440407104 232 8634 SH SOLE 8634 0 0
HORSEHEAD HOLDING CORP COM 440694305 2502 187811 SH SOLE 28556 0 159255
HUB GROUP INC CL A COM 443320106 9945 264076 SH SOLE 209757 0 54319
I B M COM 459200101 976 5687 SH SOLE 5687 0 0
IBERIABANK CORP COM COM 450828108 600 10414 SH SOLE 10414 0 0
ICG GROUP INC COM COM 44928D108 6964 569405 SH SOLE 88076 0 481329
II-VI INC COM COM 902104108 27660 1080484 SH SOLE 525040 0 555444
INCYTE PHARMACEUTICALS INC COM COM 45337C102 7170 378550 SH SOLE 294717 0 83833
INPHI CORP COM COM 45772F107 4825 277307 SH SOLE 217240 0 60067
INTEL CORP COM COM 458140100 810 36530 SH SOLE 36530 0 0
INTERDIGITAL INC PA COM 45867G101 16620 406854 SH SOLE 170820 0 236034
INTRALINKS HLDGS INC COM COM 46118H104 6048 349988 SH SOLE 267922 0 82066
INTUITIVE SURGICAL INC COM NEW COM 46120E602 255 685 SH SOLE 685 0 0
IPG PHOTONICS CORP COM 44980X109 24545 337578 SH SOLE 263466 0 74112
IXIA COM COM 45071R109 2864 223769 SH SOLE 171138 0 52631
JARDEN CORP COM COM 471109108 978 28326 SH SOLE 26852 0 1474
JOHNSON & JOHNSON COM 478160104 727 10933 SH SOLE 10933 0 0
JOY GLOBAL INC COM COM 481165108 1692 17761 SH SOLE 16837 0 924
JPMORGAN CHASE & CO COM COM 46625H100 1350 32984 SH SOLE 32984 0 0
KENEXA CORP COM COM 488879107 1817 75760 SH SOLE 11510 0 64250
KENNAMETAL INC COM COM 489170100 12166 288235 SH SOLE 92014 0 196221
KNOLL INC COM NEW COM 498904200 4059 202230 SH SOLE 30765 0 171465
KODIAK OIL & GAS CORP COM COM 50015Q100 8109 1405367 SH SOLE 914194 0 491173
KOPPERS HOLDINGS INC COM 50060P106 8697 229295 SH SOLE 35427 0 193868
KRAFT FOODS INC CL A COM 50075N104 201 5696 SH SOLE 5696 0 0
KRATON PERFORMANCE POLYMERS CO COM 50077C106 11088 283075 SH SOLE 220764 0 62311
KRONOS WORLDWIDE INC COM COM 50105F105 264 8400 SH SOLE 8400 0 0
LAKELAND FINL CORP COM COM 511656100 260 11678 SH SOLE 11678 0 0
LAUDER ESTEE COS INC CL A COM 518439104 1492 14183 SH SOLE 13445 0 738
LIBERTY PPTY TR SH BEN INT COM 531172104 3512 107810 SH SOLE 16390 0 91420
LILLY, ELI AND COMPANY COM 532457108 285 7588 SH SOLE 7588 0 0
LINKEDIN CORP COM 53578A108 449 4980 SH SOLE 4724 0 256
LOGMEIN INC COM 54142L109 5091 132006 SH SOLE 102959 0 29047
LPL INVESTMENT HOLDINGS INC COM 50213H100 314 9170 SH SOLE 9170 0 0
LULULEMON ATHLETICA INC COM COM 550021109 352 6300 SH SOLE 6300 0 0
MAGNUM HUNTER RES CORP DEL COM COM 55973B102 7235 1070239 SH SOLE 831668 0 238571
MAKO SURGICAL CORP COM COM 560879108 250 8400 SH SOLE 8400 0 0
MARATHON OIL CORP COM COM 565849106 263 4989 SH SOLE 4989 0 0
MASIMO CORPORATION COM 574795100 5146 173379 SH SOLE 135810 0 37569
EMERALD ADVISERS PAGE 5
FORM 13F INFORMATION TABLE
AS OF DATE: 06/30/11
VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
MATTHEWS INTL CORP CL A COM 577128101 1002 24956 SH SOLE 3795 0 21161
MCDERMOTT INTL INC COM COM 580037109 2172 109650 SH SOLE 103945 0 5705
MCDONALDS CORP COM 580135101 340 4035 SH SOLE 4035 0 0
MDC PARTNERS INC CL A SUB VTG COM 552697104 224 12400 SH SOLE 12400 0 0
MEADOWBROOK INS GROUP INC COM COM 58319P108 338 34093 SH SOLE 34093 0 0
MEDNAX INC COM COM 58502B106 961 13306 SH SOLE 12614 0 692
MERCADOLIBRE INC COM COM 58733R102 249 3135 SH SOLE 3135 0 0
MERIT MED SYS INC COM COM 589889104 6152 342365 SH SOLE 261428 0 80937
MET PRO CORP COM COM 590876306 1393 122397 SH SOLE 18609 0 103788
METLIFE INC COM COM 59156R108 240 5470 SH SOLE 5470 0 0
MICROSEMI CORP COM COM 595137100 8922 435226 SH SOLE 226851 0 208375
MICROSOFT CORP COM COM 594918104 1400 53839 SH SOLE 53839 0 0
MIDDLEBY CORP COM COM 596278101 9943 105734 SH SOLE 80502 0 25232
MIDSOUTH BANCORP INC COM COM 598039105 145 10667 SH SOLE 10667 0 0
MID-AMER APT CMNTYS INC COM COM 59522J103 6037 89470 SH SOLE 54100 0 35370
MOLINA HEALTHCARE INC COM COM 60855R100 10618 391517 SH SOLE 303595 0 87922
MORGAN STANLEY DEAN WITTER COM COM 617446448 213 9259 SH SOLE 9259 0 0
MSC INDL DIRECT INC CL A COM 553530106 1194 18009 SH SOLE 17072 0 937
MSCI INC COM 55354G100 939 24933 SH SOLE 23636 0 1297
MWI VETERINARY SUPPLY INC COM COM 55402X105 26365 326424 SH SOLE 218991 0 107433
MYLAN LABS INC COM COM 628530107 5759 233460 SH SOLE 35500 0 197960
NATIONAL PENN BANCSHARES INCCO COM 637138108 1714 216170 SH SOLE 36570 0 179600
NATUS MEDICAL INC DEL COM COM 639050103 7781 513592 SH SOLE 393389 0 120203
NETLOGIC MICROSYSTEMS INC COM COM 64118B100 5051 124951 SH SOLE 97209 0 27742
NEWMARKET CORP COM COM 651587107 7809 45746 SH SOLE 35204 0 10542
NORDSON CORP COM COM 655663102 6107 111331 SH SOLE 89455 0 21876
NORTHWEST BANCSHARES INC MD CO COM 667340103 3159 251110 SH SOLE 38200 0 212910
NPS PHARMACEUTICALS INC COM COM 62936P103 4864 514686 SH SOLE 393136 0 121550
OCCIDENTAL PETE CORP COM COM 674599105 377 3625 SH SOLE 3625 0 0
OCZ TECHNOLOGY GROUP INC COM COM 67086E303 252 31500 SH SOLE 31500 0 0
OIL STS INTL INC COM COM 678026105 2553 31948 SH SOLE 30297 0 1651
OMNIVISION TECHNOLOGIES INC CO COM 682128103 2766 79456 SH SOLE 75756 0 3700
ORACLE SYS CORP COM 68389X105 498 15137 SH SOLE 15137 0 0
ORRSTOWN FINL SVCS INC COM COM 687380105 7436 282635 SH SOLE 53074 0 229561
PACIFIC PREMIER BANCORP COM COM 69478X105 73 11420 SH SOLE 11420 0 0
PALOMAR MED TECHNOLOGIES INCCO COM 697529303 3739 331435 SH SOLE 253272 0 78163
PANDORA MEDIA INC COM 698354107 1568 82898 SH SOLE 63346 0 19552
PARAGON TECHNOLOGIES INC COM COM 69912T108 184 79250 SH SOLE 0 0 79250
PAREXEL INTL CORP COM COM 699462107 5266 223498 SH SOLE 173217 0 50281
PATTERSON-UTI ENERGY INC COM COM 703481101 1756 55537 SH SOLE 52649 0 2888
PENN MILLERS HOLDING CORPORATI COM 707561106 2275 134535 SH SOLE 20462 0 114073
PENN NATL GAMING INC COM COM 707569109 3900 96680 SH SOLE 14685 0 81995
PENSECO FINL SRVCS CORP COM COM 709570105 536 14042 SH SOLE 1875 0 12167
PEP BOYS MANNY MOE & JACK COM COM 713278109 2053 187810 SH SOLE 28530 0 159280
PEPSICO INC COM 713448108 544 7728 SH SOLE 7728 0 0
PERRIGO CO COM COM 714290103 1222 13903 SH SOLE 13180 0 723
PETROHAWK ENERGY CORP COM COM 716495106 1264 51253 SH SOLE 48619 0 2634
PFIZER INC COM 717081103 429 20812 SH SOLE 20812 0 0
PHARMASSET INC COM COM 71715N106 11224 100032 SH SOLE 81698 0 18334
PHILIP MORRIS INTL INC COM COM 718172109 479 7174 SH SOLE 7174 0 0
PLAINS EXPLORATION & PROD COCO COM 726505100 1705 44730 SH SOLE 42425 0 2305
EMERALD ADVISERS PAGE 6
FORM 13F INFORMATION TABLE
AS OF DATE: 06/30/11
VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
POLYCOM INC COM COM 73172K104 1340 41686 SH SOLE 39518 0 2168
PREFERRED APARTMENT COMMUNITIE COM 74039L103 306 33669 SH SOLE 33669 0 0
PRICESMART INC COM COM 741511109 240 4680 SH SOLE 4680 0 0
PROCTER & GAMBLE COMPANY COM 742718109 790 12431 SH SOLE 12431 0 0
PROSPERITY BANCSHARES INC COM COM 743606105 359 8186 SH SOLE 8186 0 0
PRUDENTIAL FINL INC COM COM 744320102 203 3193 SH SOLE 3193 0 0
PULSE ELECTRONICS CORP COM COM 74586W106 1262 285490 SH SOLE 43356 0 242134
QLIK TECHNOLOGIES INC COM 74733T105 22200 651780 SH SOLE 330383 0 321397
QUAKER CHEM CORP COM COM 747316107 9672 224878 SH SOLE 34179 0 190699
QUALCOMM INC COM COM 747525103 213 3757 SH SOLE 3757 0 0
QUALITY SYS INC COM COM 747582104 5702 65310 SH SOLE 49879 0 15431
RACKSPACE HOSTING INC COM COM 750086100 9829 229979 SH SOLE 157109 0 72870
RANGE RES CORP COM COM 75281A109 220 3970 SH SOLE 3970 0 0
RAVEN INDS INC COM COM 754212108 6497 116615 SH SOLE 89251 0 27364
RED HAT INC COM COM 756577102 2002 43625 SH SOLE 41358 0 2267
RESPONSYS INC COM 761248103 7351 414610 SH SOLE 291399 0 123211
REX ENERGY CORPORATION COM COM 761565100 2944 286687 SH SOLE 44725 0 241962
RIVERBED TECHNOLOGY INC COM COM 768573107 5052 127609 SH SOLE 86957 0 40652
ROADRUNNER TRNSN SVCS HLDG ICO COM 76973Q105 3792 251489 SH SOLE 192093 0 59396
ROBBINS & MYERS INC COM COM 770196103 4926 93213 SH SOLE 77399 0 15814
ROVI CORP COM COM 779376102 6076 105919 SH SOLE 87420 0 18499
RPC INC COM COM 749660106 8640 352060 SH SOLE 248560 0 103500
RUE21 INC COM 781295100 2668 82086 SH SOLE 12487 0 69599
RUSH ENTERPISES INC CL A COM 781846209 4622 242874 SH SOLE 186307 0 56567
S & T BANCORP INC COM COM 783859101 1470 79068 SH SOLE 12022 0 67046
SAGENT PHARMACEUTICALS INC COM 786692103 10417 386109 SH SOLE 255503 0 130606
SALESFORCE.COM INC COM 79466L302 2162 14515 SH SOLE 13777 0 738
SALIX PHARMACEUTICALS LTD COM COM 795435106 9672 242828 SH SOLE 192263 0 50565
SCHLUMBERGER COM 806857108 259 2995 SH SOLE 2995 0 0
SCHWEITZER-MAUDUIT INTL INC CO COM 808541106 5285 94121 SH SOLE 94121 0 0
SELECT MEDICAL HOLDINGS CORP COM 81619Q105 3711 418362 SH SOLE 63545 0 354817
SHORETEL INC COM COM 825211105 9725 953469 SH SOLE 729946 0 223523
SHUFFLE MASTER INC COM COM 825549108 8717 931830 SH SOLE 715501 0 216329
SIGNATURE BK NEW YORK N Y COM COM 82669G104 10345 180855 SH SOLE 137809 0 43046
SIRONA DENTAL SYSTEMS INC COM COM 82966C103 4831 90987 SH SOLE 69467 0 21520
SODASTREAM INTERNATIONAL LTDUS COM M9068E105 347 5700 SH SOLE 5700 0 0
SOLERA HOLDINGS INC COM COM 83421A104 1267 21413 SH SOLE 20295 0 1118
SOTHEBY HLDGS INC CL A COM 835898107 2275 52295 SH SOLE 49574 0 2721
SOURCEFIRE INC COM COM 83616T108 6423 216113 SH SOLE 165800 0 50313
STARBUCKS CORP COM COM 855244109 290 7350 SH SOLE 7350 0 0
STIFEL FINL CORP COM COM 860630102 7143 199184 SH SOLE 157112 0 42072
STILLWATER MNG CO COM COM 86074Q102 4084 185545 SH SOLE 154751 0 30794
SUCCESSFACTORS INC COM 864596101 12191 414658 SH SOLE 254396 0 160262
SUMMIT HOTEL PROPERTIES INC COM 866082100 5068 446521 SH SOLE 347638 0 98883
SUSQUEHANNA BANCSHARES INC COM COM 869099101 3240 404951 SH SOLE 80144 0 324807
SVB FINL GROUP COM COM 78486Q101 572 9581 SH SOLE 9581 0 0
SYNCHRONOSS TECHNOLOGIES INCCO COM 87157B103 5672 178768 SH SOLE 139508 0 39260
TALEO CORP COM 87424N104 4417 119292 SH SOLE 91488 0 27804
TARGACEPT INC COM COM 87611R306 913 43317 SH SOLE 41063 0 2254
TECHE HLDG CO COM COM 878330109 233 6700 SH SOLE 6700 0 0
TELEFLEX INC COM COM 879369106 3054 50024 SH SOLE 7606 0 42418
EMERALD ADVISERS PAGE 7
FORM 13F INFORMATION TABLE
AS OF DATE: 06/30/11
VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
TEMPUR-PEDIC INTL INC COM COM 88023U101 1105 16293 SH SOLE 15445 0 848
TENNANT CO COM COM 880345103 4619 115675 SH SOLE 88412 0 27263
TESCO CORP COM COM 88157K101 4511 232390 SH SOLE 177526 0 54864
TEXAS CAPITAL BANCSHARES INC COM 88224Q107 5933 229678 SH SOLE 184116 0 45562
TEXAS INSTRS INC COM COM 882508104 202 6161 SH SOLE 6161 0 0
TEXAS ROADHOUSE INC CL A COM 882681109 16490 940413 SH SOLE 633195 0 307218
THERAVANCE INC COM COM 88338T104 3598 161984 SH SOLE 123904 0 38080
TIBCO SOFTWARE INC COM COM 88632Q103 12760 439682 SH SOLE 337417 0 102265
TIFFANY & CO NEW COM COM 886547108 1223 15579 SH SOLE 14768 0 811
TMS INTERNATIONAL CORP COM 87261Q103 6525 500000 SH SOLE 76050 0 423950
TOWER BANCORP INC COM COM 891709107 4411 160987 SH SOLE 28812 0 132175
TOWER GROUP INC COM COM 891777104 337 14160 SH SOLE 14160 0 0
TRANSDIGM GROUP INC COM COM 893641100 321 3520 SH SOLE 3520 0 0
TRAVELZOO INC COM COM 89421Q106 268 4150 SH SOLE 4150 0 0
TRIUMPH GROUP INC NEW COM COM 896818101 26364 529494 SH SOLE 255532 0 273962
U STORE IT TR COM COM 91274F104 2648 251720 SH SOLE 45100 0 206620
ULTA SALON COSMETICS & FRAGR COM 90384S303 15862 245625 SH SOLE 177359 0 68266
ULTIMATE SOFTWARE GROUP INC CO COM 90385D107 12602 231521 SH SOLE 177939 0 53582
ULTRA CLEAN HLDGS INC COM COM 90385V107 4683 515789 SH SOLE 400447 0 115342
UNION PAC CORP COM 907818108 221 2118 SH SOLE 2118 0 0
UNITED PARCEL SVC INC CL B COM 911312106 284 3899 SH SOLE 3899 0 0
UNITED TECHNOLOGIES CORP COM 913017109 333 3758 SH SOLE 3758 0 0
UNITEDHEALTH GROUP INC COM COM 91324P102 376 7294 SH SOLE 7294 0 0
UNIVERSAL HEALTH SVCS INC CL B COM 913903100 2216 43000 SH SOLE 6500 0 36500
UNIVEST CORP PA COM COM 915271100 963 61599 SH SOLE 9357 0 52242
URBAN OUTFITTERS INC COM COM 917047102 1176 41790 SH SOLE 6355 0 35435
URSTADT BIDDLE PPTYS INC CL A COM 917286205 234 12900 SH SOLE 12900 0 0
US BANCORP DEL NEW COM NEW COM 902973304 232 9103 SH SOLE 9103 0 0
VALEANT PHARMACEUTICALS INTLCO COM 91911K102 1705 32820 SH SOLE 31113 0 1707
VALUEVISION INTL INC CL A COM 92047K107 5344 698534 SH SOLE 532247 0 166287
VARIAN MED SYS INC COM COM 92220P105 294 4200 SH SOLE 4200 0 0
VERIZON COMMUNICATIONS COM 92343V104 692 18596 SH SOLE 18596 0 0
VIASAT INC COM COM 92552V100 4904 113332 SH SOLE 86969 0 26363
VIEWPOINT FINL GROUP INC MD CO COM 92672A101 211 15312 SH SOLE 15312 0 0
VIROPHARMA INC COM COM 928241108 1117 60404 SH SOLE 9170 0 51234
VISA INC COM 92826C839 252 2994 SH SOLE 2994 0 0
VISHAY INTERTECHNOLOGY INC COM COM 928298108 8851 588524 SH SOLE 89475 0 499049
VISHAY PRECISION GROUP INC COM COM 92835K103 985 58344 SH SOLE 8874 0 49470
VIST FINANCIAL CORP COM COM 918255100 2481 353872 SH SOLE 67864 0 286008
VITAMIN SHOPPE INC COM COM 92849E101 13051 285207 SH SOLE 218330 0 66877
VOLCANO CORPORATION COM COM 928645100 8656 268069 SH SOLE 205517 0 62552
WABASH NATL CORP COM COM 929566107 7008 747894 SH SOLE 582514 0 165380
WABTEC CORPORATION COM 929740108 8435 128345 SH SOLE 20689 0 107656
WAL MART STORES INC COM 931142103 1096 20630 SH SOLE 20630 0 0
WALKER & DUNLOP INC COM 93148P102 6185 465036 SH SOLE 362472 0 102564
WARNACO GROUP INC CL A NEW COM 934390402 4250 81343 SH SOLE 62106 0 19237
WASHINGTON BKG CO OAK HBR WACO COM 937303105 161 12144 SH SOLE 12144 0 0
WATSON PHARMACEUTICALS INC COM COM 942683103 1389 20209 SH SOLE 19158 0 1051
WELLPOINT INC COM 94973V107 214 2715 SH SOLE 2715 0 0
WELLS FARGO NEW COM 949746101 1018 36292 SH SOLE 36292 0 0
WESCO INTL INC COM COM 95082P105 28676 530161 SH SOLE 251228 0 278933
EMERALD ADVISERS PAGE 8
FORM 13F INFORMATION TABLE
AS OF DATE: 06/30/11
VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
WEST PHARMACEUTICAL SVCS INCCO COM 955306105 1427 32600 SH SOLE 5000 0 27600
WESTERN ALLIANCE BANCORP COM 957638109 282 39776 SH SOLE 39776 0 0
WET SEAL INC CL A COM 961840105 4481 1002445 SH SOLE 788296 0 214149
WHITESTONE REIT CL B SBI COM 966084204 289 22700 SH SOLE 22700 0 0
WHITING PETE CORP NEW COM COM 966387102 1711 30068 SH SOLE 4861 0 25207
WILLIAMS SONOMA INC COM COM 969904101 1380 37815 SH SOLE 35849 0 1966
WINTRUST FINL CORP COM COM 97650W108 454 14120 SH SOLE 14120 0 0
WYNDHAM WORLDWIDE CORP COM 98310W108 1605 47699 SH SOLE 45219 0 2480
ZUMIEZ INC COM COM 989817101 262 10500 SH SOLE 10500 0 0