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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 (2016Q2)
Portfolio Summary: 170 holdings with a total value of $336,450,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 COTT CORP QUE 2,410,153 33,646,000 10.00%
2 GIGAMON INC 285,270 10,666,000 3.17%
3 DEXCOM 133,175 10,565,000 3.14%
4 LIGAND PHARMACEUTICALS INC 84,442 10,071,000 2.99%
5 INPHI CORP 305,175 9,775,000 2.91%
6 STAMPS COM INC COM NEW 107,330 9,383,000 2.79%
7 Callidus Software Inc 457,649 9,144,000 2.72%
8 CHINA BIOLOGIC PRODS INC 82,775 8,801,000 2.62%
9 Diplomat Pharmacy Inc 237,515 8,313,000 2.47%
10 TAL EDUCATION GROUP 130,360 8,090,000 2.40%
11 INOGEN INC COM 142,720 7,152,000 2.13%
12 DIAMONDBACK ENERGY 77,680 7,085,000 2.11%
13 AMN HEALTHCARE SERVICES INC 175,090 6,998,000 2.08%
14 COOPER STD HLDGS INC COM 84,330 6,661,000 1.98%
15 CAMBREX CORP 114,795 5,938,000 1.76%
16 MAXLINEAR INC COM 327,810 5,894,000 1.75%
17 ABIOMED INC 53,630 5,861,000 1.74%
18 EAGLE BANCORP INC MD 119,978 5,772,000 1.72%
19 LogMeIn Inc 89,380 5,669,000 1.68%
20 HEALTHEQUITY INC COM 175,375 5,329,000 1.58%
21 CYBERARK SOFTWARE LTD SHS 109,460 5,319,000 1.58%
22 Ikang Healthcare Group, Inc. A 290,000 5,319,000 1.58%
23 QIHOO 360 TECHNOLOGY CO LTD 69,650 5,088,000 1.51%
24 NAUTILUS INC COM 285,050 5,085,000 1.51%
25 Adeptus Health Inc 93,942 4,853,000 1.44%
26 RUBICON PROJ INC 352,670 4,814,000 1.43%
27 PRIVATEBANCORP INC 106,181 4,675,000 1.39%
28 ELDORADO RESORTS INC COM 289,970 4,406,000 1.31%
29 VCA INCORPORATED 59,735 4,039,000 1.20%
30 PATRICK INDS INC COM 63,020 3,799,000 1.13%
31 AMSURG CORP 46,900 3,637,000 1.08%
32 NUVASIVE INC COM 56,580 3,379,000 1.00%
33 MOMO INC 320,700 3,242,000 0.96%
34 PEGASYSTEMS INC 116,997 3,153,000 0.94%
35 CTRIP COM INTL LTD 70,000 2,884,000 0.86%
36 U S CONCRETE INC 45,480 2,770,000 0.82%
37 NETEASE INC 13,710 2,649,000 0.79%
38 Tenneco Inc Com 55,120 2,569,000 0.76%
39 CHINA ONLINE ED GROUP 123,870 2,456,000 0.73%
40 ALIBABA GROUP HLDG LTD 30,685 2,440,000 0.73%
41 INCONTACT INC 171,000 2,368,000 0.70%
42 SKYWEST INC COM 87,900 2,326,000 0.69%
43 CEVA Inc 84,000 2,282,000 0.68%
44 VIPSHOP HLDGS LTD 200,280 2,237,000 0.66%
45 NEW ORIENTAL ED & TECH GRP I 52,000 2,178,000 0.65%
46 21VIANET GROUP INC 190,400 1,944,000 0.58%
47 JD COM INC ADR 80,510 1,709,000 0.51%
48 SPDR S&P 500 ETF TR 7,600 1,592,000 0.47%
49 CALLON PETE CO DEL 137,550 1,545,000 0.46%
50 BITAUTO HLDGS LIMITED SPONSORED ADS 55,000 1,483,000 0.44%
Page 1 of 4

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001144204-16-119055, filed 2016.08.15).

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.