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Institutional Investment Manager
EMERALD ADVISERS, LLC
EMERALD ADVISERS, LLC (CIK: 0001015083) incorporated in Pennsylvania, located at 3175 Oregon Pike, Leola, PA. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q4)
Portfolio Summary: 320 holdings with a total value of $2,117,815,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 EPAM SYS INC 607,026 47,724,000 2.25%
2 MICROSTRATEGY INC CL A NEW 184,883 33,148,000 1.57%
3 BANK OF THE OZARKS 634,126 31,364,000 1.48%
4 VEEVA SYS INC 1,071,542 30,914,000 1.46%
5 QLIK TECHNOLOGIES INC COM 950,174 30,083,000 1.42%
6 WELLCARE HEALTH PLANS INC COM 371,308 29,040,000 1.37%
7 JACK IN THE BOX INC 377,895 28,988,000 1.37%
8 APOGEE ENTERPRISES INC COM 648,567 28,219,000 1.33%
9 ACADIA HEALTHCARE COMPANY IN 446,213 27,870,000 1.32%
10 VONAGE HLDGS CORP COM 4,749,822 27,264,000 1.29%
11 IMPERVA INC 423,031 26,782,000 1.26%
12 AMERICAN EAGLE OUTFITTERS IN 1,706,653 26,453,000 1.25%
13 PROOFPOINT INC 404,395 26,290,000 1.24%
14 OPUS BK IRVINE CALIF 702,132 25,958,000 1.23%
15 LENDINGTREE INC NEW COM 282,856 25,253,000 1.19%
16 TREX CO INC COM 656,410 24,970,000 1.18%
17 MATTHEWS INTL CORP 460,270 24,601,000 1.16%
18 WALKER & DUNLOP INC COM 841,983 24,258,000 1.15%
19 FIVE BELOW INC COM 701,729 22,526,000 1.06%
20 KORN FERRY COM NEW 674,049 22,365,000 1.06%
21 8X8 INC NEW COM 1,910,019 21,870,000 1.03%
22 KFORCE INC COM 841,930 21,284,000 1.00%
23 DAVE & BUSTERS ENTMT INC COM 492,948 20,576,000 0.97%
24 RED ROBIN GOURMET BURGERS INC COM 327,368 20,212,000 0.95%
25 MICROSEMI CORP 612,610 19,965,000 0.94%
26 CUSTOMERS BANCORP INC COM 731,997 19,925,000 0.94%
27 PRIVATEBANCORP INC 473,367 19,418,000 0.92%
28 BOFI HLDG INC 899,292 18,930,000 0.89%
29 RENTRAK CORP 392,487 18,655,000 0.88%
30 ATRICURE INC 795,104 17,842,000 0.84%
31 FCB FINL HLDGS INC 493,438 17,660,000 0.83%
32 NEUROCRINE BIOSCIE COM USD0.001 303,207 17,152,000 0.81%
33 WABTEC 238,387 16,954,000 0.80%
34 AMICUS THERAPEUTICS INC 1,734,566 16,825,000 0.79%
35 GUIDEWIRE SOFTWARE INC 277,180 16,675,000 0.79%
36 IPG PHOTONICS CORP 186,177 16,600,000 0.78%
37 GTT COMMUNICATIONS INC COM 968,433 16,521,000 0.78%
38 CEPHEID 448,118 16,370,000 0.77%
39 BURLINGTON STORES INC 373,356 16,017,000 0.76%
40 CAVIUM INC 241,057 15,840,000 0.75%
41 CANTEL MED CORP 252,696 15,703,000 0.74%
42 SPIRIT AIRLS INC 393,524 15,682,000 0.74%
43 K2M GROUP HLDGS INC COM 792,955 15,653,000 0.74%
44 SYNCHRONOSS TECHNOLOGIES INC COM 444,183 15,649,000 0.74%
45 GIGAMON INC 586,823 15,592,000 0.74%
46 FIRST NBC BK HLDG CO 395,795 14,799,000 0.70%
47 BLUEBIRD BIO INCORPORATED 230,252 14,787,000 0.70%
48 CHUYS HLDGS INC 467,172 14,641,000 0.69%
49 CIENA CORP COM NEW 706,995 14,628,000 0.69%
50 PENN NATL GAMING INC 875,543 14,026,000 0.66%
Page 1 of 7

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001144204-16-076789, filed 2016.01.25).

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.