OBERWEIS ASSET MANAGEMENT INC/ Q3 2023 Filing

Filed November 14, 2023

Portfolio Value

$941.5T

Holdings

195

Report Date

Q3 2023

Filing Type

13F-HR

All Holdings (195 positions)

#StockSharesValue% PortfolioType
1
CSTMConstellium NV Cl A
2,933,071$53.4M0.00%
2
AEHRAehr Test Systems
910,108$41.6M0.00%
3
ACLSAxcelis Technologies
193,559$31.6M0.00%
4
WFRDWeatherford International PLC
196,920$17.8M0.00%
5
ATECAlphatec Hldgs Inc.
1,236,040$16.0M0.00%
6
PERIPerion Network, Ltd.
470,290$14.4M0.00%
7
VRTVertiv Holdings Co.
380,990$14.2M0.00%
8
VCYTVeracyte, Inc.
597,540$13.3M0.00%
9
DECKDeckers Outdoor Corp.
25,700$13.2M0.00%
10
LNTHLantheus Hldgs Inc.
169,340$11.8M0.00%
11
ICFIICF International, Inc.
95,700$11.6M0.00%
12
CAMTCamtek, Ltd.
166,380$10.4M0.00%
13
OLEDUniversal Display Corp.
62,015$9.7M0.00%
14
EXTRExtreme Networks, Inc.
381,470$9.2M0.00%
15
AXNX*Axonics, Inc.
161,620$9.1M0.00%
16
BDCBelden, Inc.
91,480$8.8M0.00%
17
FLSFlowserve Corporation
210,840$8.4M0.00%
18
TMDXTransMedics Group, Inc.
151,100$8.3M0.00%
19
STRLSterling Construction Co., Inc
110,000$8.1M0.00%
20
VCVisteon Corp.
57,970$8.0M0.00%
21
JPXAerovironment, Inc.
69,100$7.7M0.00%
22
CLHClean Harbors, Inc.
45,415$7.6M0.00%
23
EHCEncompass Health Corporation
111,600$7.5M0.00%
24
ADMAADMA Biologics, Inc.
2,078,400$7.4M0.00%
25
PWIPower Integrations
94,573$7.2M0.00%
26
ALGMAllegro MicroSystems, Inc.
225,930$7.2M0.00%
27
PSNParsons Corp.
131,300$7.1M0.00%
28
AMPHAmphastar Pharmaceuticals, Inc
152,500$7.0M0.00%
29
EVHEvolent Health, Inc.
255,460$7.0M0.00%
30
CROXCrocs, Inc.
78,730$6.9M0.00%
31
HAEHaemonetics Corp.
77,400$6.9M0.00%
32
SIBNSI-BONE, Inc.
315,100$6.7M0.00%
33
CECOCECO Environmental Corp.
416,700$6.7M0.00%
34
MMSIMerit Medical System Inc
95,660$6.6M0.00%
35
FMFFormfactor Inc.
188,100$6.6M0.00%
36
BLBDBlue Bird Corporation
306,500$6.5M0.00%
37
UCTTUltra Clean Holdings
218,100$6.5M0.00%
38
VECOVeeco Instruments, Inc.
226,800$6.4M0.00%
39
NVTSNavitas Semiconductor Corp.
912,500$6.3M0.00%
40
RESRPC, Inc.
708,576$6.3M0.00%
41
FCFSFirstCash Holdings, Inc
61,700$6.2M0.00%
42
ACMRACM Research, Inc. Class A
341,800$6.2M0.00%
43
WWDWoodward, Inc.
48,800$6.1M0.00%
44
MODNEURModel N, Inc.
241,430$5.9M0.00%
45
HNIHNI Corp.
169,700$5.9M0.00%
46
PRIMPrimoris Services Corp.
178,600$5.8M0.00%
47
HURNHuron Consulting Group, Inc.
55,900$5.8M0.00%
48
VVXV2X, Inc.
112,500$5.8M0.00%
49
BELFBBel Fuse, Inc.
121,500$5.8M0.00%
50
DVAXDynavax Technologies Corp.
385,200$5.7M0.00%
51
MGPIMGP Ingredients, Inc.
53,650$5.7M0.00%
52
ZETAZeta Global Holdings Corp.
674,700$5.6M0.00%
53
IPARInter Parfums
41,600$5.6M0.00%
54
ALSNAllison Transmission Holdings,
94,100$5.6M0.00%
55
SPXCSPX Technologies, Inc.
68,000$5.5M0.00%
56
PRKSSeaWorld Entertainment Inc.
119,280$5.5M0.00%
57
INMDInmode Ltd.
180,260$5.5M0.00%
58
ACHCAcadia Healthcare Co., Inc.
77,800$5.5M0.00%
59
FSSFederal Signal Corp.
91,400$5.5M0.00%
60
CIR2USDCIRCOR International, Inc.
97,900$5.5M0.00%
61
OPCHOption Care Health Inc.
167,800$5.4M0.00%
62
ONTOOnto Innovation, Inc.
41,100$5.2M0.00%
63
OSKOshkosh Corp.
54,136$5.2M0.00%
64
PFBCPreferred Bank
82,600$5.1M0.00%
65
AAOIApplied Optoelectronics Inc.
468,415$5.1M0.00%
66
PLYAPlaya Hotels & Resorts N.V.
701,500$5.1M0.00%
67
FTDRFrontdoor, Inc.
164,700$5.0M0.00%
68
BOOTBoot Barn Hldgs, Inc.
60,800$4.9M0.00%
69
EZPWEZCorp, Inc.
595,300$4.9M0.00%
70
ESTEEUREarthstone Energy Inc.
240,600$4.9M0.00%
71
HXLHexcel Corporation
73,300$4.8M0.00%
72
LYTSLSI Industries Inc.
298,700$4.7M0.00%
73
Applied Industrial
30,500$4.7M0.00%
74
TMCITreace Medical Concepts, Inc.
355,600$4.7M0.00%
75
PLABPhotronics, Inc.
230,100$4.7M0.00%
76
TCMDTactile Sys Technology, Inc.
330,350$4.6M0.00%
77
EIGEmployers Holdings, Inc.
112,200$4.5M0.00%
78
SPUSDSP Plus Corporation
122,500$4.4M0.00%
79
ALGTAllegiant Travel Co.
56,762$4.4M0.00%
80
GVAGranite Construction
114,600$4.4M0.00%
81
DGIIDigi International I
161,100$4.3M0.00%
82
PETQEURPetlQ Inc
219,600$4.3M0.00%
83
SMCIUSDSuper Micro Computer Inc.
15,700$4.3M0.00%
84
WEAVWeave Communications, Inc.
523,600$4.3M0.00%
85
BOOMDMC Global, Inc.
174,100$4.3M0.00%
86
SNCYSun Country Airlines Holdings,
283,000$4.2M0.00%
87
ANFAbercrombie & Fitch Co.
73,500$4.1M0.00%
88
MMSMaximus, Inc.
55,200$4.1M0.00%
89
KWRQuaker Chemical Corporation
25,500$4.1M0.00%
90
JBIJanus International Group, Inc
378,600$4.1M0.00%
91
CDNSCadence Design System, Inc.
17,200$4.0M0.00%
92
HEESEURH&E Equipment Services, Inc.
92,200$4.0M0.00%
93
ATDATI, Inc.
95,000$3.9M0.00%
94
AVNWAviat Networks, Inc.
125,307$3.9M0.00%
95
NXTNextracker, Inc.
97,300$3.9M0.00%
96
INSWInternational Seaways, Inc.
86,500$3.9M0.00%
97
MODModine Mfg Co Com
84,600$3.9M0.00%
98
UNMUNUM Group
76,700$3.8M0.00%
99
AORTArtivion, Inc
248,200$3.8M0.00%
100
CTVHelix Energy Solutions Group,
335,600$3.7M0.00%
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