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Institutional Investment Manager
OBERWEIS ASSET MANAGEMENT INC/
OBERWEIS ASSET MANAGEMENT INC/ (CIK: 0000937886) incorporated in Illinois, located at 3333 Warrenville Road, Lisle, IL. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q2)
Portfolio Summary: 166 holdings with a total value of $377,952,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 ICON PLC 424,700 28,582,000 7.56%
2 COTT CORP QUE 1,661,474 16,249,000 4.30%
3 GENTHERM INC COM 233,431 12,818,000 3.39%
4 Diplomat Pharmacy Inc 256,159 11,463,000 3.03%
5 CHINA MOBILE GAMES & ENTMT G 483,222 10,215,000 2.70%
6 SKECHERS U S A INC 88,713 9,740,000 2.58%
7 ABIOMED INC 145,540 9,566,000 2.53%
8 SYNCHRONOSS TECHNOLOGIES INC COM 206,145 9,427,000 2.49%
9 LIGAND PHARMACEUTICALS INC 93,307 9,415,000 2.49%
10 VIPSHOP HLDGS LTD 416,090 9,258,000 2.45%
11 ANI PHARMACEUTICALS INC COM 144,785 8,984,000 2.38%
12 MIMEDX GROUP INC COM 744,480 8,629,000 2.28%
13 BOFI HLDG INC 80,918 8,554,000 2.26%
14 RUBICON PROJ INC 567,410 8,488,000 2.25%
15 AMN HEALTHCARE SERVICES INC 262,180 8,282,000 2.19%
16 HEALTHEQUITY INC COM 244,705 7,843,000 2.08%
17 INFINERA CORPORATION COM 371,470 7,793,000 2.06%
18 LogMeIn Inc 120,310 7,759,000 2.05%
19 PGT INNOVATIONS INC COM 520,690 7,555,000 2.00%
20 INPHI CORP 326,810 7,471,000 1.98%
21 NETEASE INC 50,510 7,317,000 1.94%
22 SYNAPTICS INC 84,106 7,295,000 1.93%
23 G III APPAREL GROUP LTD COM 102,418 7,205,000 1.91%
24 TARENA INTL INC 561,118 7,104,000 1.88%
25 EAGLE BANCORP INC MD 157,198 6,910,000 1.83%
26 Callidus Software Inc 443,209 6,905,000 1.83%
27 COMSCORE INC 125,304 6,674,000 1.77%
28 INSPERITY INC COM 130,090 6,622,000 1.75%
29 CHINA BIOLOGIC PRODS INC 53,500 6,161,000 1.63%
30 BONANZA CREEK ENERGY INC 329,797 6,019,000 1.59%
31 FINANCIAL ENGINES INC 137,394 5,836,000 1.54%
32 IMAX CORP COM 144,030 5,800,000 1.53%
33 Ikang Healthcare Group, Inc. A 244,700 4,732,000 1.25%
34 21VIANET GROUP INC 161,009 3,304,000 0.87%
35 QIHOO 360 TECHNOLOGY CO LTD 40,000 2,708,000 0.72%
36 ASTRONICS CORP COM 35,268 2,500,000 0.66%
37 JD COM INC ADR 65,510 2,234,000 0.59%
38 ALIBABA GROUP HLDG LTD 25,605 2,107,000 0.56%
39 BITAUTO HLDGS LIMITED SPONSORED ADS 40,000 2,042,000 0.54%
40 NV5 GLOBAL INC COM 84,000 2,038,000 0.54%
41 DIAMONDBACK ENERGY 23,260 1,753,000 0.46%
42 SPDR S&P 500 ETF TR 7,600 1,564,000 0.41%
43 WEBSITE PROS INC COM 63,550 1,539,000 0.41%
44 HERITAGE INS HLDGS INC COM 64,850 1,491,000 0.39%
45 OMNICELL COM COM 39,500 1,490,000 0.39%
46 ENVESTNET INC 36,612 1,480,000 0.39%
47 DEXCOM 18,300 1,464,000 0.39%
48 CANADIAN SOLAR INC 45,710 1,307,000 0.35%
49 CAMBREX CORP 29,500 1,296,000 0.34%
50 ChinaCache International Holdi 100,000 1,252,000 0.33%
Page 1 of 4

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001144204-15-049445, filed 2015.08.14).

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.