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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 (2016Q4)
Portfolio Summary: 135 holdings with a total value of $334,652,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 SHOPIFY INC 696,100 29,842,000 8.92%
2 COTT CORP QUE 2,372,453 26,880,000 8.03%
3 INPHI CORP 279,355 12,465,000 3.72%
4 LogMeIn Inc 115,577 11,159,000 3.33%
5 GIGAMON INC 232,260 10,579,000 3.16%
6 CEVA Inc 247,830 8,315,000 2.48%
7 TAL EDUCATION GROUP 116,280 8,157,000 2.44%
8 LIGAND PHARMACEUTICALS INC 77,922 7,918,000 2.37%
9 DIAMONDBACK ENERGY 73,870 7,465,000 2.23%
10 INOGEN INC COM 107,400 7,214,000 2.16%
11 EAGLE BANCORP INC MD 116,478 7,099,000 2.12%
12 Callidus Software Inc 383,629 6,445,000 1.93%
13 GLAUKOS CORP 186,400 6,394,000 1.91%
14 AMN HEALTHCARE SERVICES INC 164,160 6,312,000 1.89%
15 MAXLINEAR INC COM 289,070 6,302,000 1.88%
16 PATRICK INDS INC COM 82,300 6,279,000 1.88%
17 ITRON INC 97,550 6,131,000 1.83%
18 CHINA BIOLOGIC PRODS INC 55,855 6,006,000 1.79%
19 CAMBREX CORP 108,965 5,879,000 1.76%
20 BROADSOFT INC 129,370 5,337,000 1.59%
21 COOPER STD HLDGS INC COM 49,206 5,087,000 1.52%
22 Ikang Healthcare Group, Inc. A 290,000 5,026,000 1.50%
23 CYBERARK SOFTWARE LTD SHS 109,220 4,970,000 1.49%
24 Heska Corp 58,459 4,186,000 1.25%
25 PEGASYSTEMS INC 116,013 4,176,000 1.25%
26 ABIOMED INC 37,050 4,175,000 1.25%
27 OSHKOSH CORP 61,873 3,998,000 1.19%
28 DEXCOM 66,280 3,957,000 1.18%
29 Tenneco Inc Com 60,570 3,784,000 1.13%
30 CHILDRENS PL INC NEW COM 36,150 3,649,000 1.09%
31 NUVASIVE INC COM 52,020 3,504,000 1.05%
32 ELDORADO RESORTS INC COM 204,730 3,470,000 1.04%
33 ALIBABA GROUP HLDG LTD 37,435 3,287,000 0.98%
34 NEW ORIENTAL ED & TECH GRP I 75,500 3,179,000 0.95%
35 HEALTHEQUITY INC COM 77,978 3,160,000 0.94%
36 VCA INCORPORATED 44,805 3,076,000 0.92%
37 NAUTILUS INC COM 162,950 3,015,000 0.90%
38 CENTERSTATE BANKS COMMON STK USD0.01 118,860 2,992,000 0.89%
39 CRYOLIFE INC 155,570 2,979,000 0.89%
40 CTRIP COM INTL LTD 70,250 2,810,000 0.84%
41 INTRALINKS HLDGS INC 174,850 2,364,000 0.71%
42 MONOLITHIC PWR SYS INC COM 26,820 2,197,000 0.66%
43 DEL TACO RESTAURANTS INC 149,300 2,108,000 0.63%
44 CARBONITE INC 109,660 1,798,000 0.54%
45 ZTO EXPRESS CAYMAN INC 144,550 1,745,000 0.52%
46 SINA CORP 28,000 1,702,000 0.51%
47 SPDR S&P 500 ETF TR 7,600 1,699,000 0.51%
48 CALLON PETE CO DEL 107,250 1,648,000 0.49%
49 CHINA ONLINE ED GROUP 97,810 1,521,000 0.45%
50 APPLIED OPTOELECTRONICS INC 56,100 1,315,000 0.39%
Page 1 of 3

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001144204-17-008530, filed 2017.02.14).

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.