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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 (2014Q2)
Portfolio Summary: 432 holdings with a total value of $1,772,660,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 SPIRIT AIRLS INC 658,766 41,660,000 2.35%
2 MWI VETERINARY SUP 266,979 37,908,000 2.14%
3 Penn Virginia Corp 1,815,981 30,781,000 1.74%
4 WESCO INTL INC 331,350 28,622,000 1.61%
5 WABTEC 285,457 23,576,000 1.33%
6 ACADIA HEALTHCARE COMPANY IN 514,065 23,390,000 1.32%
7 BANK OF THE OZARKS 675,556 22,597,000 1.27%
8 EPAM SYS INC 505,057 22,096,000 1.25%
9 PROOFPOINT INC 581,641 21,788,000 1.23%
10 TREX CO INC COM 711,913 20,517,000 1.16%
11 ALNYLAM PHARMACEUTICALS INC 310,870 19,638,000 1.11%
12 HOMEAWAY INC 557,189 19,401,000 1.09%
13 MIDDLEBY CORP 223,887 18,520,000 1.04%
14 POLYONE CORP 431,557 18,186,000 1.03%
15 JACK IN THE BOX INC 302,470 18,100,000 1.02%
16 MULTIMEDIA GAMES H 593,209 17,583,000 0.99%
17 FARO TECHNOLOGIES INC COM 340,890 16,745,000 0.94%
18 CUSTOMERS BANCORP INC COM 830,813 16,625,000 0.94%
19 Magnum Hunter Resources Corp 1,995,728 16,365,000 0.92%
20 OPUS BK IRVINE CALIF 563,008 16,361,000 0.92%
21 CEPHEID 341,206 16,357,000 0.92%
22 SANCHEZ ENERGY 431,988 16,238,000 0.92%
23 DIAMONDBACK ENERGY 176,543 15,677,000 0.88%
24 ACUITY BRANDS INC 111,616 15,431,000 0.87%
25 CAVIUM INC 301,910 14,993,000 0.85%
26 H&E EQUIPMENT SERVICES LLC COM 403,142 14,650,000 0.83%
27 Ultimate Software Group Inc 105,770 14,614,000 0.82%
28 Horizon Pharma Inc 907,591 14,358,000 0.81%
29 LITHIA MTRS INC COM 151,721 14,272,000 0.81%
30 IPG PHOTONICS CORP 205,107 14,111,000 0.80%
31 U S SILICA HLDGS INC COM 252,480 13,997,000 0.79%
32 ROADRUNNER TRANSHOLDINGS INC 492,007 13,825,000 0.78%
33 AMTRUST FINL SVCS INC 330,422 13,815,000 0.78%
34 ANSYS 179,876 13,638,000 0.77%
35 TUTOR PERINI CORP 424,069 13,460,000 0.76%
36 PENSKE AUTOMOTIVE GRP INC 268,162 13,274,000 0.75%
37 FIRST NBC BK HLDG CO 395,520 13,254,000 0.75%
38 WESCO AIRCRAFT HLDGS INC COM 634,807 12,671,000 0.71%
39 MICROSEMI CORP 472,029 12,631,000 0.71%
40 FIVE BELOW INC COM 316,226 12,621,000 0.71%
41 ASTRONICS CORP COM 221,724 12,516,000 0.71%
42 Mylan Inc 240,871 12,419,000 0.70%
43 AMETEK 233,040 12,183,000 0.69%
44 TILE SHOP HLDGS INC 790,921 12,093,000 0.68%
45 RED ROBIN GOURMET BURGERS INC COM 167,453 11,923,000 0.67%
46 CUBESMART 644,120 11,800,000 0.67%
47 PRIMORIS SVCS CORP 393,800 11,357,000 0.64%
48 CENCORA 155,517 11,300,000 0.64%
49 CAMBREX CORP 541,952 11,218,000 0.63%
50 ARMSTRONG WORLD INDS INC NEW COM 194,495 11,170,000 0.63%
Page 1 of 9

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001144204-14-043531, filed 2014.07.17).

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.