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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 (2014Q1)
Portfolio Summary: 356 holdings with a total value of $1,778,310,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 SPIRIT AIRLS INC 700,379 41,603,000 2.34%
2 MWI VETERINARY SUP 267,178 41,578,000 2.34%
3 TREX CO INC COM 415,764 30,417,000 1.71%
4 EPAM SYS INC 847,026 27,867,000 1.57%
5 PROOFPOINT INC 726,341 26,933,000 1.51%
6 BANK OF THE OZARKS 369,328 25,136,000 1.41%
7 Magnum Hunter Resources Corp 2,951,850 25,091,000 1.41%
8 ACADIA HEALTHCARE COMPANY IN 538,175 24,282,000 1.37%
9 SVB FINANCIAL GROUP 184,002 23,696,000 1.33%
10 MIDDLEBY CORP 86,724 22,913,000 1.29%
11 WESCO INTL INC 270,891 22,544,000 1.27%
12 WABTEC 284,376 22,039,000 1.24%
13 ALNYLAM PHARMACEUTICALS INC 296,738 19,923,000 1.12%
14 NPS Pharmaceuticals, Inc. 659,671 19,744,000 1.11%
15 HOMEAWAY INC 505,293 19,034,000 1.07%
16 IMPERVA INC 315,494 17,573,000 0.99%
17 CEPHEID 338,056 17,437,000 0.98%
18 MULTIMEDIA GAMES H 589,034 17,106,000 0.96%
19 GULFPORT ENERGY CORP 238,013 16,942,000 0.95%
20 CAVIUM INC 384,145 16,799,000 0.94%
21 KATE SPADE & CO 437,012 16,209,000 0.91%
22 QLIK TECHNOLOGIES INC COM 593,672 15,786,000 0.89%
23 H&E EQUIPMENT SERVICES LLC COM 384,632 15,558,000 0.87%
24 CUSTOMERS BANCORP INC COM 737,846 15,399,000 0.87%
25 ACUITY BRANDS INC 114,780 15,216,000 0.86%
26 JACK IN THE BOX INC 256,478 15,117,000 0.85%
27 IPG PHOTONICS CORP 207,040 14,716,000 0.83%
28 POLYONE CORP 400,815 14,694,000 0.83%
29 Ultimate Software Group Inc 106,435 14,582,000 0.82%
30 WESCO AIRCRAFT HLDGS INC COM 639,404 14,073,000 0.79%
31 FIRST NBC BK HLDG CO 392,390 13,679,000 0.77%
32 8X8 INC NEW COM 1,242,626 13,433,000 0.76%
33 INTERMUNE INC 385,290 12,896,000 0.73%
34 TILE SHOP HLDGS INC 810,959 12,529,000 0.70%
35 Rex Energy Corp 662,263 12,391,000 0.70%
36 Horizon Pharma Inc 817,410 12,359,000 0.69%
37 DICKS SPORTING GOODS 222,080 12,128,000 0.68%
38 AMETEK 233,040 11,999,000 0.67%
39 RED ROBIN GOURMET BURGERS INC COM 166,041 11,902,000 0.67%
40 Penn Virginia Corp 670,464 11,726,000 0.66%
41 INFOBLOX INC 578,325 11,601,000 0.65%
42 DIAMONDBACK ENERGY 171,768 11,562,000 0.65%
43 CORNERSTONE ONDEMAND INC 240,856 11,530,000 0.65%
44 CAMBREX CORP 610,057 11,512,000 0.65%
45 CHANNELADVISOR CORP COM 297,047 11,211,000 0.63%
46 AMTRUST FINL SVCS INC 293,953 11,056,000 0.62%
47 CUBESMART 644,120 11,053,000 0.62%
48 FARO TECHNOLOGIES INC COM 205,635 10,899,000 0.61%
49 Mylan Inc 222,959 10,887,000 0.61%
50 INTREXON CORP 410,662 10,796,000 0.61%
Page 1 of 8

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001144204-14-026135, filed 2014.04.30).

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.