0001144204-16-129839.txt : 20161027
0001144204-16-129839.hdr.sgml : 20161027
20161027143029
ACCESSION NUMBER: 0001144204-16-129839
CONFORMED SUBMISSION TYPE: 13F-HR
PUBLIC DOCUMENT COUNT: 2
CONFORMED PERIOD OF REPORT: 20160930
FILED AS OF DATE: 20161027
DATE AS OF CHANGE: 20161027
EFFECTIVENESS DATE: 20161027
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: 161955167
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
09-30-2016
09-30-2016
false
EMERALD ADVISERS INC/PA
3175 Oregon Pike
Leola
PA
17540
13F HOLDINGS REPORT
028-05618
N
Kenneth G. Mertz II
President
717-396-1116
/s/ Kenneth G. Mertz II
Lancaster
PA
10-27-2016
0
319
2246496
INFORMATION TABLE
2
infotable.xml
APPLIED OPTOELECTRONICS INC
COM
03823U102
9209
414641
SH
SOLE
355981
0
58660
APPLE INC
COM
37833100
1179
10427
SH
SOLE
10427
0
0
AMERISOURCEBERGEN CORP
COM
03073E105
5227
64710
SH
SOLE
0
0
64710
ABBOTT LABS
COM
2824100
1915
45291
SH
SOLE
43254
0
2037
AMERICAN CAMPUS CMNTYS INC
COM
24835100
1030
20254
SH
SOLE
2174
0
18080
ACADIA HEALTHCAREPANY INC
COM
00404A109
7170
144697
SH
SOLE
124362
0
20335
ACTUA CORP
COM
5094107
5427
419103
SH
SOLE
13333
0
405770
ADAMAS PHARMACEUTICALS INC
COM
00548A106
8278
504474
SH
SOLE
425664
0
78810
ALLIANCE DATA SYS CORP
COM
18581108
3484
16239
SH
SOLE
15536
0
703
AMERICAN EAGLE OUTFITTERS INC.
COM
02553E106
25321
1417749
SH
SOLE
744371
0
673378
ATLAS FINANCIAL HOLDINGS INC
COM
G06207115
3921
248662
SH
SOLE
209437
0
39225
APPLIED GENETIC TECHNOLOGIES
COM
03820J100
2837
290046
SH
SOLE
247336
0
42710
AIMMUNE THERAPEUTICS INC
COM
00900T107
6965
464364
SH
SOLE
389808
0
74556
ALDER BIOPHARMACEUITICALS INC
COM
14339105
13449
410415
SH
SOLE
347003
0
63412
ALNYLAM PHARMACEUTICALS INC
COM
02043Q107
2911
42947
SH
SOLE
26969
0
15978
ALARM.COM HOLDINGS INC
COM
11642105
13643
472732
SH
SOLE
400022
0
72710
APPLIED MICRO CIRCUITS CORP
COM
03822W406
102
14693
SH
SOLE
14693
0
0
AMETEK INC
COM
31100100
1963
41090
SH
SOLE
575
0
40515
AFFILIATED MANAGERS GROUP INC
COM
8252108
3341
23086
SH
SOLE
22048
0
1038
ALBANY MOLECULAR RESEARCH INC
COM
12423109
6830
413678
SH
SOLE
350651
0
63027
AMAZON.COM, INC
COM
23135106
1161
1387
SH
SOLE
1387
0
0
ANSYS INC
COM
03662Q105
10243
110599
SH
SOLE
3912
0
106687
SMITH AO CORP
COM
831865209
479
4853
SH
SOLE
4609
0
244
ANADARKO PETROLEUM CORP
COM
32511107
759
11984
SH
SOLE
11397
0
587
APOGEE ENTERPRISES INC
COM
37598109
28353
634432
SH
SOLE
520694
0
113738
ARAMARK
COM
03852U106
7778
204530
SH
SOLE
5300
0
199230
ARRIS INTERNATIONAL PLC
COM
G0551A103
3880
136963
SH
SOLE
131922
0
5041
ASPEN AEROGELS
COM
04523Y105
77
12882
SH
SOLE
12882
0
0
ATRICURE INC
COM
04963C209
7300
461433
SH
SOLE
389873
0
71560
ACTIVISION BLIZZARD INC
COM
00507V109
2551
57579
SH
SOLE
54882
0
2697
BROADCOM LTD
COM
Y09827109
2747
15923
SH
SOLE
15127
0
796
ARMSTRONG WORLD INDS INC
COM
04247X102
6816
164965
SH
SOLE
2245
0
162720
AXALTA COATING SYSTEMS LTD
COM
G0750C108
10366
366667
SH
SOLE
81247
0
285420
ACUITY BRANDS INC
COM
00508Y102
6156
23267
SH
SOLE
8576
0
14691
BRUNSWICK CORP
COM
117043109
1584
32476
SH
SOLE
31153
0
1323
BRANDYWINE RLTY TR SH BEN INT
COM
105368203
3359
215028
SH
SOLE
2970
0
212058
BIOTELEMETRY INC
COM
90672106
4551
245061
SH
SOLE
26195
0
218866
BERRY PLASTICS GROUP INC
COM
08579W103
8371
190890
SH
SOLE
160720
0
30170
BIG LOTS INC
COM
89302103
423
8852
SH
SOLE
8852
0
0
BUILDERS FIRSTSOURCE INC
COM
12008R107
239
20806
SH
SOLE
20806
0
0
BLUEBIRD BIO INC
COM
09609G100
25319
373554
SH
SOLE
296779
0
76775
BRYN MAWR BK CORP
COM
117665109
1239
38717
SH
SOLE
0
0
38717
BOFI HLDG INC
COM
05566U108
19009
848605
SH
SOLE
723561
0
125044
BURLINGTON STORES INC
COM
122017106
28459
351256
SH
SOLE
271556
0
79700
CITIGROUP INC
COM
172967424
245
5183
SH
SOLE
5183
0
0
CONAGRA FOODS INC
COM
205887102
1056
22415
SH
SOLE
21427
0
988
META FINANCIAL GROUP, INC
COM
59100U108
378
6242
SH
SOLE
6242
0
0
CAVIUM INC
COM
14964U108
24966
428963
SH
SOLE
343782
0
85181
CALGON CARBON CORP COM
COM
129603106
1623
107000
SH
SOLE
2710
0
104290
CROWN HOLDINGS INC
COM
228368106
15243
266991
SH
SOLE
55919
0
211072
CNB FINL CORP PA
COM
126128107
10587
500349
SH
SOLE
24151
0
476198
COGENT COMMUNICATIONS HOLDINGS
COM
19239V302
8791
238817
SH
SOLE
201997
0
36820
CEDAR SHOPPING CTRS INC
COM
150602209
714
99138
SH
SOLE
99138
0
0
CHURCHILL DOWNS INC
COM
171484108
18367
125502
SH
SOLE
106071
0
19431
CHEGG INC
COM
163092109
14650
2066302
SH
SOLE
1757452
0
308850
CHUY`S HOLDINGS INC
COM
171604101
8738
312753
SH
SOLE
264373
0
48380
CIENA CORP
COM
171779309
16751
768409
SH
SOLE
649931
0
118478
CLIFFS NATURAL RESOURCES INC
COM
18683K101
256
43827
SH
SOLE
43827
0
0
CANTEL MEDICAL CORP
COM
138098108
8924
114444
SH
SOLE
96724
0
17720
CINEMARK HOLDINGS INC
COM
17243V102
3405
88939
SH
SOLE
84749
0
4190
CONNECTONE BANCORP INC
COM
20786W107
248
13733
SH
SOLE
13733
0
0
CABOT OIL & GAS CORP
COM
127097103
1997
77409
SH
SOLE
73547
0
3862
CYRUSONE INC
COM
23283R100
14815
311431
SH
SOLE
266951
0
44480
CALLON PETROLEUM CO
COM
13123X102
13819
880176
SH
SOLE
744949
0
135227
CARLISLE COS INC
COM
142339100
838
8174
SH
SOLE
7764
0
410
CORNERSTONE ONDEMAND INC
COM
21925Y103
15738
342510
SH
SOLE
290180
0
52330
CARRIAGE SVCS INC
COM
143905107
625
26415
SH
SOLE
26415
0
0
CATALENT INC
COM
148806102
1947
75346
SH
SOLE
71565
0
3781
CARETRUST REIT INC
COM
14174T107
13177
891527
SH
SOLE
757897
0
133630
CUBIC CORP
COM
229669106
518
11075
SH
SOLE
11075
0
0
CUBESMART
COM
229663109
8425
309047
SH
SOLE
73259
0
235788
CUSTOMERS BANCORP INC
COM
23204G100
16200
643888
SH
SOLE
252933
0
390955
CODORUS VALLEY BANCORP
COM
192025104
1986
90779
SH
SOLE
3164
0
87615
CYBERARK SOFTWARE LTD
COM
M2682V108
410
8268
SH
SOLE
8268
0
0
CITIZENS FINL SVCS INC
COM
174615104
2112
41905
SH
SOLE
1125
0
40780
DUCOMMUN INCORPORATED
COM
264147109
661
28930
SH
SOLE
28930
0
0
DOLLAR GENERAL
COM
256677105
1735
24787
SH
SOLE
23542
0
1245
DONEGAL GROUP INC J CL A
COM
257701201
2204
136813
SH
SOLE
1490
0
135323
DISNEY WALT PRODTNS
COM
254687106
529
5699
SH
SOLE
5699
0
0
DICKS SPORTING GOODS INC
COM
253393102
13368
235683
SH
SOLE
30842
0
204841
MASONITE INTERNATIONAL CORP
COM
575385109
15996
257297
SH
SOLE
217647
0
39650
DYCOM INDUSTRIES INC
COM
267475101
17574
214898
SH
SOLE
185465
0
29433
ELECTRONIC ARTS INC
COM
285512109
924
10821
SH
SOLE
10278
0
543
CHANNELADVISOR CORP
COM
159179100
8958
692807
SH
SOLE
591584
0
101223
EDUCATION REALTY TRUST INC
COM
28140H203
18162
420995
SH
SOLE
356925
0
64070
8X8 INC NEW
COM
282914100
28960
1876875
SH
SOLE
1590918
0
285957
EGALET CORP
COM
28226B104
1730
227279
SH
SOLE
8066
0
219213
EMPLOYERS HOLDINGS INC
COM
292218104
526
17638
SH
SOLE
17638
0
0
ELF BEAUTY INC
COM
26856L103
683
24300
SH
SOLE
20540
0
3760
ELLIE MAE INC
COM
28849P100
13158
124953
SH
SOLE
104028
0
20925
EMCOR GROUP INC
COM
29084Q100
759
12738
SH
SOLE
12738
0
0
ENERSYS
COM
29275Y102
3252
47008
SH
SOLE
1213
0
45795
EPAM SYSTEMS INC
COM
29414B104
34635
499717
SH
SOLE
303892
0
195825
EQUINIX INC
COM
29444U700
1655
4593
SH
SOLE
4363
0
230
EQT CORP
COM
26884L109
2457
33840
SH
SOLE
2240
0
31600
ERIE INDTY CO CL A
COM
29530P102
3450
33799
SH
SOLE
980
0
32819
ENTERCOMMUNICATIONS CORP
COM
293639100
8335
644094
SH
SOLE
24520
0
619574
EVERYDAY HEALTH INC
COM
300415106
3194
415347
SH
SOLE
359090
0
56257
EVERI HOLDINGS INC
COM
30034T103
688
278515
SH
SOLE
278515
0
0
EDWARDS LIFESCIENCES
COM
28176E108
988
8191
SH
SOLE
7780
0
411
DIAMONDBACK ENERGY INC
COM
25278X109
2833
29349
SH
SOLE
28094
0
1255
FACEBOOK INC
COM
30303M102
1227
9563
SH
SOLE
9563
0
0
FCB FINANCIAL HOLDINGS INC
COM
30255G103
14463
376338
SH
SOLE
318768
0
57570
1ST FIN BANCORP
COM
320209109
518
23710
SH
SOLE
23710
0
0
FEDERATED INVESTORS INC
COM
314211103
6230
210250
SH
SOLE
7040
0
203210
FITBIT INC
COM
33812L102
2875
193701
SH
SOLE
184968
0
8733
FIVE BELOW
COM
33829M101
30400
754520
SH
SOLE
473286
0
281234
FOOT LOCKER INC
COM
344849104
3429
50635
SH
SOLE
48344
0
2291
F N B CORP PA
COM
302520101
726
59025
SH
SOLE
2371
0
56654
FIRST NBC BANK HOLDING CO
COM
32115D106
151
15960
SH
SOLE
15960
0
0
AMICUS THERAPEUTICS INC
COM
03152W109
10025
1354790
SH
SOLE
1149170
0
205620
1ST MERCHANTS
COM
320817109
709
26518
SH
SOLE
26518
0
0
FRESHPET INC
COM
358039105
5833
674325
SH
SOLE
17849
0
656476
GILEAD SCIENCES INC
COM
375558103
373
4715
SH
SOLE
4715
0
0
GIGAMON INC
COM
37518B102
15043
274502
SH
SOLE
232371
0
42131
GAMING AND LEISURE PROPERTIES INC.
COM
36467J108
8759
261864
SH
SOLE
6762
0
255102
GLU MOBILE INC
COM
379890106
192
85913
SH
SOLE
85913
0
0
GLOBAL MEDICAL REIT INC
COM
37954A204
3539
362650
SH
SOLE
306420
0
56230
GMS INC
COM
36251C103
10545
474372
SH
SOLE
392560
0
81812
GNC HOLDINGS INC
COM
36191G107
2870
140561
SH
SOLE
6152
0
134409
GENERAC HOLDINGS INC
COM
368736104
11455
315572
SH
SOLE
268177
0
47395
ALPHABET INC CL C
COM
02079K107
451
580
SH
SOLE
580
0
0
ALPHABET INC CLA A
COM
02079K305
466
580
SH
SOLE
580
0
0
GULFPORT ENERGY CORP
COM
402635304
412
14577
SH
SOLE
14577
0
0
GSV CAP CORP
COM
36191J101
3607
764195
SH
SOLE
628778
0
135417
GRAY TELEVISION INC
COM
389375106
710
68563
SH
SOLE
68563
0
0
GTT COMMUNICATIONS INC
COM
362393100
22836
970523
SH
SOLE
828571
0
141952
GREAT WESTERN BANCORP INC
COM
391416104
771
23126
SH
SOLE
23126
0
0
GUIDEWIRE SOFTWARE INC
COM
40171V100
13467
224520
SH
SOLE
188950
0
35570
HAIN CELESTIAL GROUP INC
COM
405217100
1445
40608
SH
SOLE
38927
0
1681
HEALTHCARE SVCS GROUP INC
COM
421906108
4019
101547
SH
SOLE
3987
0
97560
HOME DEPOT INC
COM
437076102
261
2026
SH
SOLE
2026
0
0
HFF INC CLASS A
COM
40418F108
3367
121579
SH
SOLE
3720
0
117859
HILTON WORLDWIDE HOLDINGS INC
COM
43300A104
1755
76553
SH
SOLE
72708
0
3845
HERSHA HOSPITALITY TR PRIORITY A SHS
COM
427825500
3305
183420
SH
SOLE
7432
0
175988
HEADWATERS INC
COM
42210P102
15264
902124
SH
SOLE
766144
0
135980
MARINEMAX INC
COM
567908108
9671
461606
SH
SOLE
390626
0
70980
INSTALLED BUILDING PRODUCTS
COM
45780R101
21460
598279
SH
SOLE
508875
0
89404
IntercontinentalExchange Group, Inc
COM
45866F104
681
2528
SH
SOLE
2528
0
0
ICF INTERNATIONAL INC
COM
44925C103
362
8158
SH
SOLE
8158
0
0
INTERCEPT PHARMACEUTICAL
COM
45845P108
12522
76079
SH
SOLE
53648
0
22431
INTERVAL LEISURE GROUP
COM
46113M108
529
30797
SH
SOLE
30797
0
0
II-VI INC
COM
902104108
5721
235154
SH
SOLE
8104
0
227050
IMAX CORP
COM
45245E109
11958
412755
SH
SOLE
363217
0
49538
IMPERVA INC
COM
45321L100
16459
306440
SH
SOLE
224636
0
81804
INCYTE PHARMACEUTICALS INC
COM
45337C102
3689
39128
SH
SOLE
37284
0
1844
INOVIO PHARMACEUTICALS INC
COM
45773H201
1899
203737
SH
SOLE
16205
0
187532
INSMED INC
COM
457669307
14529
1000610
SH
SOLE
844194
0
156416
INTUIT INC
COM
461202103
2912
26474
SH
SOLE
25151
0
1323
IPG PHOTONICS CORP
COM
44980X109
10138
123112
SH
SOLE
103761
0
19351
INPHI CORP
COM
45772F107
5835
134113
SH
SOLE
112923
0
21190
INDEPENDENCE REALTY TRUST INC
COM
45378A106
5925
658362
SH
SOLE
18957
0
639405
INTEGER HOLDINGS CORP
COM
45826H109
7093
327020
SH
SOLE
275480
0
51540
JACK IN THE BOX INC
COM
466367109
25735
268244
SH
SOLE
199980
0
68264
JAKKS PACIFIC
COM
47012E106
153
17682
SH
SOLE
17682
0
0
JONES ENERGY INC
COM
48019R108
122
34140
SH
SOLE
34140
0
0
JONES SODA CO
COM
48023P106
28
65640
SH
SOLE
65640
0
0
KATE SPADE & CO
COM
485865109
8060
470544
SH
SOLE
407799
0
62745
KFORCE INC
COM
493732101
451
21992
SH
SOLE
21992
0
0
KORN FERRY INTERNATIONAL
COM
500643200
1298
61828
SH
SOLE
59750
0
2078
KLX INC
COM
482539103
8049
228660
SH
SOLE
194038
0
34622
KENNAMETAL INC
COM
489170100
2595
89410
SH
SOLE
1250
0
88160
KNOLL INC
COM
498904200
19579
856865
SH
SOLE
434698
0
422167
COCA COLA CO
COM
191216100
200
4733
SH
SOLE
4733
0
0
KONA GRILL INC
COM
50047H201
247
19633
SH
SOLE
19633
0
0
KOPPERS HOLDINGS INC
COM
50060P106
3772
117213
SH
SOLE
20183
0
97030
K2M GROUP HOLDINGS INC
COM
48273J107
12896
725315
SH
SOLE
613184
0
112131
LAZARD LTD-CL A
COM
G54050102
1575
43311
SH
SOLE
41343
0
1968
LUMENTUM HOLDINGS INC
COM
55024U109
19275
461453
SH
SOLE
367620
0
93833
LIVE OAK BANCSHARES INC
COM
53803X105
7146
495532
SH
SOLE
431814
0
63718
LIBERTY PPTY TR SH BEN INT
COM
531172104
11089
274825
SH
SOLE
11085
0
263740
LULULEMON ATHLETICA INC
COM
550021109
656
10750
SH
SOLE
10313
0
437
SOUTHWEST AIR
COM
844741108
5204
133801
SH
SOLE
128073
0
5728
MID-AMER APT CMNTYS INC
COM
59522J103
1296
13790
SH
SOLE
13097
0
693
MASCO CORP
COM
574599106
3000
87436
SH
SOLE
83376
0
4060
MATTHEWS INTL CORP CL A
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MALIBU BOATS INC-CLASS A
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MEETME INC
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MERCER INTERNATIONAL INC
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MACROGENICS INC
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MALVERN BANCORP INC
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561409103
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MARCUS & MILLICHAP INC
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MODEL N INC
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NUTRI SYS INC NEW
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