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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 (2015Q2)
Portfolio Summary: 319 holdings with a total value of $2,098,334,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 EPAM SYS INC 687,395 48,963,000 2.33%
2 IMPERVA INC 553,063 37,442,000 1.78%
3 INTREXON CORP 654,764 31,952,000 1.52%
4 ACADIA HEALTHCARE COMPANY IN 381,936 29,917,000 1.43%
5 APOGEE ENTERPRISES INC COM 563,576 29,667,000 1.41%
6 SPIRIT AIRLS INC 477,532 29,655,000 1.41%
7 QLIK TECHNOLOGIES INC COM 845,225 29,549,000 1.41%
8 PROOFPOINT INC 440,249 28,031,000 1.34%
9 BANK OF THE OZARKS 611,958 27,997,000 1.33%
10 JACK IN THE BOX INC 310,288 27,355,000 1.30%
11 WABTEC 276,853 26,091,000 1.24%
12 IPG PHOTONICS CORP 295,807 25,195,000 1.20%
13 MICROSEMI CORP 710,691 24,839,000 1.18%
14 TREX CO INC COM 499,881 24,709,000 1.18%
15 AMERICAN EAGLE OUTFITTERS IN 1,427,999 24,590,000 1.17%
16 CEPHEID 383,206 23,433,000 1.12%
17 OPUS BK IRVINE CALIF 647,277 23,418,000 1.12%
18 ASTRONICS CORP COM 314,056 22,263,000 1.06%
19 NEUROCRINE BIOSCIE COM USD0.001 465,446 22,230,000 1.06%
20 VEEVA SYS INC 790,369 22,154,000 1.06%
21 DEPOMED INC 1,009,301 21,660,000 1.03%
22 MICROSTRATEGY INC CL A NEW 126,916 21,586,000 1.03%
23 WALKER & DUNLOP INC COM 803,018 21,473,000 1.02%
24 CAVIUM INC 311,774 21,453,000 1.02%
25 CUSTOMERS BANCORP INC COM 783,012 21,055,000 1.00%
26 RED ROBIN GOURMET BURGERS INC COM 243,586 20,905,000 1.00%
27 LENDINGTREE INC NEW COM 264,045 20,757,000 0.99%
28 PORTOLA PHARMACEUTICALS INC 432,166 19,685,000 0.94%
29 GTT COMMUNICATIONS INC COM 796,139 19,004,000 0.91%
30 RENTRAK CORP 271,491 18,950,000 0.90%
31 HOMEAWAY INC 598,581 18,628,000 0.89%
32 GLU MOBILE INC 2,902,341 18,024,000 0.86%
33 KNOLL INC 706,579 17,686,000 0.84%
34 FARO TECHNOLOGIES INC COM 371,928 17,369,000 0.83%
35 KFORCE INC COM 750,831 17,172,000 0.82%
36 FIVE BELOW INC COM 431,891 17,073,000 0.81%
37 MARINEMAX INC COM 711,429 16,726,000 0.80%
38 VONAGE HLDGS CORP COM 3,353,459 16,465,000 0.78%
39 INTERCEPT PHARMACEUTICAL 67,504 16,294,000 0.78%
40 WELLCARE HEALTH PLANS INC COM 187,910 15,940,000 0.76%
41 MATTHEWS INTL CORP 297,869 15,829,000 0.75%
42 AMICUS THERAPEUTICS INC 1,099,630 15,560,000 0.74%
43 ANSYS 167,879 15,317,000 0.73%
44 FIRST NBC BK HLDG CO 417,810 15,041,000 0.72%
45 Marcus & Millichap Inc Com 323,780 14,939,000 0.71%
46 MACROGENICS INC 380,859 14,461,000 0.69%
47 SYNCHRONOSS TECHNOLOGIES INC COM 311,055 14,225,000 0.68%
48 K2M GROUP HLDGS INC COM 581,694 13,972,000 0.67%
49 FCB FINL HLDGS INC 438,469 13,943,000 0.66%
50 ATRICURE INC 561,648 13,839,000 0.66%
Page 1 of 7

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001144204-15-044575, filed 2015.07.28).

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.