OBERWEIS ASSET MANAGEMENT INC/ Q2 2023 Filing

Filed August 14, 2023

Portfolio Value

$822.8T

Holdings

187

Report Date

Q2 2023

Filing Type

13F-HR

All Holdings (187 positions)

#StockSharesValue% PortfolioType
1
CSTMConstellium NV Cl A
2,799,271$48.1M0.00%
2
ACLSAxcelis Technologies
240,399$44.1M0.00%
3
AEHRAehr Test Systems
873,108$36.0M0.00%
4
ATECAlphatec Hldgs Inc.
980,470$17.6M0.00%
5
PIImpinj, Inc.
179,145$16.1M0.00%
6
LNTHLantheus Hldgs Inc.
166,180$13.9M0.00%
7
PERIPerion Network, Ltd.
426,250$13.1M0.00%
8
VCYTVeracyte, Inc.
482,310$12.3M0.00%
9
DECKDeckers Outdoor Corp.
23,120$12.2M0.00%
10
CROXCrocs, Inc.
105,500$11.9M0.00%
11
TMDXTransMedics Group, Inc.
127,000$10.7M0.00%
12
ICFIICF International, Inc.
80,200$10.0M0.00%
13
BDCBelden, Inc.
98,755$9.4M0.00%
14
VRTVEURVeritiv Corp.
72,790$9.1M0.00%
15
ALGMAllegro MicroSystems, Inc.
196,040$8.8M0.00%
16
EXTRExtreme Networks, Inc.
337,900$8.8M0.00%
17
AMPHAmphastar Pharmaceuticals, Inc
147,800$8.5M0.00%
18
CLHClean Harbors, Inc.
45,105$7.4M0.00%
19
TCMDTactile Sys Technology, Inc.
294,950$7.4M0.00%
20
BELFBBel Fuse, Inc.
121,500$7.0M0.00%
21
EVHEvolent Health, Inc.
227,910$6.9M0.00%
22
MODNEURModel N, Inc.
194,818$6.9M0.00%
23
VCVisteon Corp.
47,760$6.9M0.00%
24
BLBDBlue Bird Corporation
301,300$6.8M0.00%
25
NVTSNavitas Semiconductor Corp.
640,000$6.7M0.00%
26
UCTTUltra Clean Holdings
170,900$6.6M0.00%
27
PWIPower Integrations
69,270$6.6M0.00%
28
MMSIMerit Medical System Inc
78,160$6.5M0.00%
29
TMCITreace Medical Concepts, Inc.
251,500$6.4M0.00%
30
AXNX*Axonics, Inc.
125,440$6.3M0.00%
31
OSPNOneSpan, Inc.
416,845$6.2M0.00%
32
ADMAADMA Biologics, Inc.
1,668,700$6.2M0.00%
33
VRTVertiv Holdings Co.
248,340$6.2M0.00%
34
STRLSterling Construction Co., Inc
106,700$6.0M0.00%
35
SIBNSI-BONE, Inc.
220,200$5.9M0.00%
36
PRKSSeaWorld Entertainment Inc.
99,600$5.6M0.00%
37
CIR2USDCIRCOR International, Inc.
95,000$5.4M0.00%
38
PLYAPlaya Hotels & Resorts N.V.
655,300$5.3M0.00%
39
EHCEncompass Health Corporation
78,100$5.3M0.00%
40
CAMTCamtek, Ltd.
148,202$5.3M0.00%
41
CECOCECO Environmental Corp.
392,600$5.2M0.00%
42
WFRDWeatherford International PLC
78,580$5.2M0.00%
43
VECOVeeco Instruments, Inc.
202,500$5.2M0.00%
44
INMDInmode Ltd.
137,100$5.1M0.00%
45
CHEFThe Chefs Warehouse, Inc.
141,500$5.1M0.00%
46
CIENCiena Corporation
118,305$5.0M0.00%
47
PLABPhotronics, Inc.
194,700$5.0M0.00%
48
FMFFormfactor Inc.
143,000$4.9M0.00%
49
VVXV2X, Inc.
97,800$4.8M0.00%
50
SNCYSun Country Airlines Holdings,
213,200$4.8M0.00%
51
MGPIMGP Ingredients, Inc.
44,850$4.8M0.00%
52
HLITHarmonic, Inc.
294,300$4.8M0.00%
53
DGIIDigi International I
120,600$4.8M0.00%
54
FSSFederal Signal Corp.
73,900$4.7M0.00%
55
ATDATI, Inc.
106,800$4.7M0.00%
56
RESRPC, Inc.
657,033$4.7M0.00%
57
MGNIMagnite, Inc.
340,700$4.7M0.00%
58
HXLHexcel Corporation
59,000$4.5M0.00%
59
SPUSDSP Plus Corporation
113,700$4.4M0.00%
60
FLSFlowserve Corporation
119,200$4.4M0.00%
61
LFUSLittelfuse, Inc.
15,200$4.4M0.00%
62
WWDWoodward, Inc.
37,100$4.4M0.00%
63
WEAVWeave Communications, Inc.
394,500$4.4M0.00%
64
GVAGranite Construction
110,100$4.4M0.00%
65
ALSNAllison Transmission Holdings,
77,400$4.4M0.00%
66
PSNParsons Corp.
90,400$4.4M0.00%
67
EZPWEZCorp, Inc.
506,200$4.2M0.00%
68
FELEFranklin Electric
40,900$4.2M0.00%
69
CBTCabot Corp.
62,405$4.2M0.00%
70
CDNSCadence Design System, Inc.
17,600$4.1M0.00%
71
IPARInter Parfums
30,400$4.1M0.00%
72
ACHCAcadia Healthcare Co., Inc.
51,400$4.1M0.00%
73
KWRQuaker Chemical Corporation
20,800$4.1M0.00%
74
ZETAZeta Global Holdings Corp.
474,500$4.1M0.00%
75
HAEHaemonetics Corp.
47,500$4.0M0.00%
76
MMSMaximus, Inc.
47,800$4.0M0.00%
77
SLABSilicon Laboratories, Inc.
25,510$4.0M0.00%
78
ALGTAllegiant Travel Co.
30,400$3.8M0.00%
79
MODModine Mfg Co Com
115,000$3.8M0.00%
80
HEESEURH&E Equipment Services, Inc.
82,100$3.8M0.00%
81
FTDRFrontdoor, Inc.
117,700$3.8M0.00%
82
FCFSFirstCash Holdings, Inc
40,100$3.7M0.00%
83
ACMRACM Research, Inc. Class A
285,600$3.7M0.00%
84
HAYNUSDHaynes Intl, Inc.
72,600$3.7M0.00%
85
AVNWAviat Networks, Inc.
109,507$3.7M0.00%
86
MTSIMacom Technology Solutions
55,700$3.6M0.00%
87
AORTArtivion, Inc
211,300$3.6M0.00%
88
OPCHOption Care Health Inc.
111,000$3.6M0.00%
89
SOYSunOpta, Inc.
537,700$3.6M0.00%
90
OI*O-I Glass, Inc.
168,100$3.6M0.00%
91
SHLSShoals Technology Group, Inc.
139,600$3.6M0.00%
92
LYTSLSI Industries Inc.
283,700$3.6M0.00%
93
EIGEmployers Holdings, Inc.
95,100$3.6M0.00%
94
JELDJELD-WEN Holding, Inc.
201,900$3.5M0.00%
95
Applied Industrial
24,400$3.5M0.00%
96
SPXCSPX Technologies, Inc.
41,500$3.5M0.00%
97
MHOM/I Homes, Inc.
40,400$3.5M0.00%
98
NEONeoGenomics, Inc.
213,000$3.4M0.00%
99
ALITAlight, Inc.
361,300$3.3M0.00%
100
G2CEveri Hldgs, Inc.
229,200$3.3M0.00%
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