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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 (2017Q1)
Portfolio Summary: 139 holdings with a total value of $339,338,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 WIX COM LTD 402,992 27,363,000 8.06%
2 INPHI CORPORATION 279,775 13,659,000 4.03%
3 TAL ED GROUP 102,280 10,900,000 3.21%
4 LOGMEIN INC 105,271 10,264,000 3.02%
5 GLAUKOS CORP 188,330 9,661,000 2.85%
6 SHOPIFY INC 138,899 9,458,000 2.79%
7 CEVA Inc 262,825 9,330,000 2.75%
8 INOGEN INC COM 102,910 7,982,000 2.35%
9 APPLIED OPTOELECTRONICS INC COM 134,110 7,530,000 2.22%
10 EAGLE BANCORP INC MD 123,878 7,396,000 2.18%
11 MAXLINEAR INC COM 257,070 7,211,000 2.13%
12 CYBERARK SOFTWARE LTD 128,350 6,529,000 1.92%
13 AMN HEALTHCARE SERVICES INC 156,690 6,362,000 1.87%
14 Callidus Software Inc 293,199 6,260,000 1.84%
15 ITRON INC 101,625 6,169,000 1.82%
16 CAMBREX CORP 109,765 6,043,000 1.78%
17 MONOLITHIC PWR SYS INC 65,040 5,990,000 1.77%
18 HESKA CORP 55,499 5,826,000 1.72%
19 CARBONITE INC COM 280,320 5,690,000 1.68%
20 DIAMONDBACK ENERGY INC 53,970 5,597,000 1.65%
21 COOPER STD HLDGS INC 50,211 5,570,000 1.64%
22 CHILDRENS PL INC 46,070 5,531,000 1.63%
23 PATRICK INDS INC 77,510 5,495,000 1.62%
24 LIGAND PHARMACEUTICALS INC 50,922 5,390,000 1.59%
25 BROADSOFT INC 126,680 5,093,000 1.50%
26 CAVIUM INC 62,010 4,444,000 1.31%
27 ABIOMED INC 33,480 4,192,000 1.24%
28 CALLON PETE CO DEL 305,860 4,025,000 1.19%
29 ALIBABA GROUP HLDG LTD 37,285 4,020,000 1.18%
30 NUVASIVE INC 51,850 3,872,000 1.14%
31 TENNECO INC 61,070 3,812,000 1.12%
32 Ikang Healthcare Group, Inc. A 254,600 3,717,000 1.10%
33 NEW ORIENTAL ED & TECH GRP I 61,500 3,713,000 1.09%
34 OSHKOSH CORP 53,165 3,647,000 1.07%
35 CHINA BIOLOGIC PRODS INC 35,385 3,543,000 1.04%
36 PACIFIC PREMIER BANCORP 90,180 3,476,000 1.02%
37 BURLINGTON STORES INC 35,420 3,446,000 1.02%
38 VISTEON CORP COM NEW 33,700 3,301,000 0.97%
39 CENTERSTATE BANKS COMMON STK USD0.01 117,300 3,038,000 0.90%
40 HEALTHEQUITY INC 70,270 2,983,000 0.88%
41 ELDORADO RESORTS INC COM 155,930 2,951,000 0.87%
42 CTRIP COM INTL LTD 60,000 2,949,000 0.87%
43 VCA INCORPORATED 27,225 2,491,000 0.73%
44 SEMTECH CORP COM 69,400 2,346,000 0.69%
45 Del Taco Restaurants, Inc. 150,100 1,990,000 0.59%
46 NETEASE INC 6,690 1,900,000 0.56%
47 SPDR S&P 500 ETF TR 7,600 1,791,000 0.53%
48 DEXCOM INC 20,580 1,744,000 0.51%
49 SINA CORP 23,000 1,659,000 0.49%
50 LHC GROUP INC 30,600 1,649,000 0.49%
Page 1 of 3

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001144204-17-027147, filed 2017.05.15).

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.