OBERWEIS ASSET MANAGEMENT INC/ Q1 2021 Filing

Filed May 17, 2021

Portfolio Value

$488.9B

Holdings

170

Report Date

Q1 2021

Filing Type

13F-HR

All Holdings (170 positions)

#StockSharesValue% PortfolioType
101
FUTUFutu Holdings Ltd.
4,500$715.0M0.15%
102
ATSG*Air Transport Services Group,
24,000$702.0M0.14%
103
MSFTMicrosoft Corp.
2,880$679.0M0.14%
104
JPMJP Morgan Chase & Company Inc.
4,430$674.0M0.14%
105
ADTNEURAdtran, Inc.
39,800$664.0M0.14%
106
CLFDClearfield, Inc.
21,600$651.0M0.13%
107
AMEDAmedisys Inc.
2,402$636.0M0.13%
108
QFIN360 DigiTech, Inc.
24,000$624.0M0.13%
109
HPHelmerich & Payne
22,981$620.0M0.13%
110
VREXVarex Imaging Corp.
30,000$615.0M0.13%
111
LOCOEl Pollo Loco Hldgs, Inc.
38,000$613.0M0.13%
112
BIDUNBaidu Inc. Spon ADR
2,760$600.0M0.12%
113
NGVCNatural Grocers By Vitamin C
31,200$548.0M0.11%
114
XPEVXPeng, Inc.
15,000$548.0M0.11%
115
TALTal Education Group ADR
10,000$539.0M0.11%
116
ACMRACM Research, Inc. Class A
6,000$485.0M0.10%
117
PLPCPreformed Line Prods Co.
7,000$481.0M0.10%
118
MAMastercard, Inc.
1,344$478.0M0.10%
119
KCKingsoft Cloud Holdings Limite
12,100$476.0M0.10%
120
BABAAlibaba Group Holding Ltd ADR
1,920$435.0M0.09%
121
HLXHelix Energy Solutions Group,
83,300$421.0M0.09%
122
JNJJohnson & Johnson
2,487$409.0M0.08%
123
XEJAccuray Inc.
81,000$401.0M0.08%
124
AMGNAmgen, Inc.
1,495$372.0M0.08%
125
NEMNewmont Mining
6,176$372.0M0.08%
126
INTCIntel Corporation
5,787$370.0M0.08%
127
TRVThe Travelers Co., Inc.
2,440$367.0M0.08%
128
ZHZhihu, Inc
45,000$365.0M0.07%
129
SEMSelect Medical Hldgs. Corp
9,300$317.0M0.06%
130
AMZNAmazon.com
100$309.0M0.06%
131
ADNTAdient Plc
6,900$305.0M0.06%
132
CLHClean Harbors, Inc.
3,600$303.0M0.06%
133
HOMEAt Home Group, Inc.
10,200$293.0M0.06%
134
CNXCConcentrix Corp.
1,900$284.0M0.06%
135
RMEResmed Inc.
1,450$281.0M0.06%
136
AEISAdvanced Energy Industry, Inc.
2,500$273.0M0.06%
137
UFPIUniversal FST Prods Inc.
3,500$265.0M0.05%
138
BECNUSDBeacon Roofing Supply
5,000$262.0M0.05%
139
CVLTCommvault Systems, Inc.
3,900$252.0M0.05%
140
HIHillenbrand, Inc.
5,200$248.0M0.05%
141
ICFIICF International, Inc.
2,800$245.0M0.05%
142
GDOTGreen Dot Corp. Cl A
5,300$243.0M0.05%
143
MCDMcDonald's Corporation
1,076$241.0M0.05%
144
WMTWal Mart Stores Inc.
1,758$239.0M0.05%
145
HHR1USDHeadhunter Group Plc Spon ADR
6,800$231.0M0.05%
146
AMKRAmkor Technology Inc.
9,700$230.0M0.05%
147
QSIIEURNextgen Healthcare, Inc.
12,700$230.0M0.05%
148
STCStewart Information Services
4,400$229.0M0.05%
149
2U, Inc.
6,000$229.0M0.05%
150
HOUSRealogy Hldgs Corp.
15,000$227.0M0.05%
151
TTECTTEC Hldgs, Inc.
2,200$221.0M0.05%
152
CENTCentral Garden & Pet Co.
3,800$220.0M0.04%
153
MTSIMacom Technology Solutions
3,800$220.0M0.04%
154
TDCTeradata Corp
5,700$220.0M0.04%
155
BHPBHP Billiton Ltd. ADR
3,043$211.0M0.04%
156
MMSIMerit Medical System Inc
3,500$210.0M0.04%
157
Alphabet, Inc. Cl C
100$207.0M0.04%
158
GU9Guess, Inc
8,800$207.0M0.04%
159
PFSIPennyMac Finl Svcs, Inc.
3,100$207.0M0.04%
160
BKBank of New York Mellon Corp.
4,247$201.0M0.04%
161
ASGNASGN, Inc.
2,100$200.0M0.04%
162
Cornerstone Ondemand, Inc.
4,600$200.0M0.04%
163
GPRKGeopark Ltd.
12,500$200.0M0.04%
164
OPCHOption Care Health Inc.
10,200$181.0M0.04%
165
NOVNOV, Inc.
12,800$176.0M0.04%
166
Xenacare Hldgs, Inc.
140,000$00.00%
167
American Power Corp
10,000$00.00%
168
Titan Oil & Gas, Inc.
10,000$00.00%
169
Avatar Ventures
10,000$00.00%
170
AMR Corp Escrow
18,000$00.00%
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