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| Name: |
OBERWEIS ASSET MANAGEMENT INC/ |
| City: |
NORTH AURORA |
| State: |
IL |
| Zip: |
60542 |
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 |
Ticker |
Company Name |
Position
Rank |
New/Closed
Postion |
Last
Close |
Value |
Shares Held |
% of
Portfolio |
Value
Change |
Change In
Shares Held |
% of Company |
Industry |
|
ACLS |
Axcelis Technologies Inc |
2 |
- |
$103.06 |
$31,817,000 |
245,329 |
2.96% |
257,000 |
51,770 |
0.732 |
Semiconductor Equipme... |
|
|
AEHR |
Aehr Test Systems |
3 |
- |
$11.47 |
$28,950,000 |
1,091,202 |
2.7% |
-12,642,000 |
181,094 |
4.681 |
Semiconductor Equipme... |
|
|
ATEC |
Alphatec Holdings, Inc. |
4 |
- |
$12.44 |
$24,294,000 |
1,607,820 |
2.26% |
8,263,000 |
371,780 |
1.619 |
Medical Instruments &... |
|
|
WFTLF |
Weatherford International Plc |
5 |
- |
$127.97 |
$23,485,000 |
240,060 |
2.19% |
5,697,000 |
43,140 |
0.343 |
Oil & Gas Equipment &... |
|
|
AMPH |
Amphastar Pharmaceuticals, ... |
6 |
- |
$41.11 |
$21,045,000 |
340,265 |
1.96% |
14,032,000 |
187,765 |
0.716 |
N/A |
|
|
VCYT |
Veracyte, Inc. |
7 |
- |
$19.31 |
$18,069,000 |
656,810 |
1.68% |
4,726,000 |
59,270 |
0.793 |
Biotechnology |
|
|
AAOI |
Applied Optoelectronics, Inc. |
8 |
- |
$10.85 |
$17,232,000 |
891,915 |
1.61% |
12,093,000 |
423,500 |
3.881 |
N/A |
|
|
TMDX |
Transmedics Group, Inc. |
9 |
- |
$92.08 |
$16,804,000 |
212,900 |
1.57% |
8,531,000 |
61,800 |
0.667 |
N/A |
|
|
OLED |
Universal Display Corp |
11 |
- |
$158.31 |
$12,727,000 |
66,542 |
1.19% |
2,991,000 |
4,527 |
0.141 |
Computer Peripherals |
|
|
ADMA |
ADMA Biologics Inc |
12 |
- |
$6.55 |
$12,252,000 |
2,710,700 |
1.14% |
4,811,000 |
632,300 |
1.384 |
Biotechnology |
|
|
CAMT |
Camtek Ltd |
13 |
- |
$82.16 |
$12,105,000 |
174,480 |
1.13% |
1,746,000 |
8,100 |
0.445 |
Scientific & Technica... |
|
|
AXNX |
Axonics Modulation Technolo... |
15 |
- |
$66.69 |
$11,106,000 |
178,470 |
1.03% |
2,036,000 |
16,850 |
0.338 |
N/A |
|
|
OSK |
Oshkosh Corp |
16 |
- |
$121.25 |
$10,722,000 |
98,899 |
1% |
5,556,000 |
44,763 |
0.145 |
Trucks & Other Vehicles |
|
|
FLS |
Flowserve Corp |
17 |
- |
$46.76 |
$10,110,000 |
245,271 |
0.94% |
1,725,000 |
34,431 |
0.188 |
Diversified Machinery |
|
|
CLH |
Clean Harbors Inc |
18 |
- |
$194.00 |
$9,957,000 |
57,055 |
0.93% |
2,356,000 |
11,640 |
0.103 |
Waste Management |
|
|
HLS |
Encompass Health Corp |
19 |
- |
$82.47 |
$9,691,000 |
145,245 |
0.9% |
2,196,000 |
33,645 |
0.148 |
Hospitals |
|
|
FTDR |
Frontdoor Inc |
20 |
- |
$31.05 |
$9,548,000 |
271,100 |
0.89% |
4,510,000 |
106,400 |
0.29 |
N/A |
|
|
HAE |
Haemonetics Corp |
21 |
- |
$90.99 |
$9,054,000 |
105,880 |
0.84% |
2,121,000 |
28,480 |
0.206 |
Medical Instruments &... |
|
|
AVAV |
Aerovironment Inc |
23 |
- |
$158.09 |
$8,798,000 |
69,800 |
0.82% |
1,091,000 |
700 |
0.29 |
Aerospace/Defense Pro... |
|
|
CECE |
Ceco Environmental Corp |
24 |
- |
$25.32 |
$8,653,000 |
426,700 |
0.81% |
1,998,000 |
10,000 |
1.198 |
Industrial Electrical... |
|
|
UCTT |
Ultra Clean Holdings Inc |
25 |
- |
$41.96 |
$8,436,000 |
247,100 |
0.79% |
1,965,000 |
29,000 |
0.564 |
Semiconductor - Speci... |
|
|
PSN |
Parsons Corp |
26 |
- |
$79.73 |
$8,340,000 |
133,000 |
0.78% |
1,204,000 |
1,700 |
0.121 |
N/A |
|
|
BELFB |
Bel Fuse, Inc. |
27 |
- |
$57.91 |
$8,300,000 |
124,300 |
0.77% |
2,502,000 |
2,800 |
1.217 |
Diversified Electronics |
|
|
ZETA |
Zeta Global Holdings Corp. |
28 |
- |
$12.89 |
$8,251,000 |
935,480 |
0.77% |
2,617,000 |
260,780 |
0.609 |
N/A |
|
|
MMSI |
Merit Medical Systems Inc |
29 |
- |
$73.78 |
$8,135,000 |
107,090 |
0.76% |
1,533,000 |
11,430 |
0.193 |
Medical Instruments &... |
|
|
POWI |
Power Integrations Inc |
30 |
- |
$67.27 |
$8,063,000 |
98,195 |
0.75% |
846,000 |
3,622 |
0.164 |
Semiconductor - Integ... |
|
|
FCFS |
First Cash Financial Servic... |
32 |
- |
$115.71 |
$8,043,000 |
74,200 |
0.75% |
1,850,000 |
12,500 |
0.153 |
Specialty Retail, Other |
|
|
ALGM |
Allegro Microsystems, Inc. |
33 |
- |
$30.10 |
$7,809,000 |
257,980 |
0.73% |
593,000 |
32,050 |
0.136 |
N/A |
|
|
PLAB |
Photronics Inc |
34 |
- |
$28.28 |
$7,764,000 |
247,500 |
0.72% |
3,114,000 |
17,400 |
0.377 |
Semiconductor Equipme... |
|
|
NVTS |
Navitas Semiconductor Corp |
35 |
- |
$4.46 |
$7,746,000 |
959,900 |
0.72% |
1,404,000 |
47,400 |
0.815 |
N/A |
|
|
ACMR |
Acm Research Inc |
38 |
- |
$27.04 |
$7,687,000 |
393,400 |
0.72% |
1,499,000 |
51,600 |
0.728 |
N/A |
|
|
FSS |
Federal Signal Corp |
39 |
- |
$80.84 |
$7,584,000 |
98,830 |
0.71% |
2,125,000 |
7,430 |
0.163 |
Trucks & Other Vehicles |
|
|
VECO |
Veeco Instruments Inc |
40 |
- |
$35.16 |
$7,447,000 |
240,000 |
0.69% |
1,072,000 |
13,200 |
0.41 |
Semiconductor Equipme... |
|
|
SPXC |
SPX Technologies, Inc |
41 |
- |
$119.90 |
$7,374,000 |
73,000 |
0.69% |
1,839,000 |
5,000 |
0.162 |
Auto Parts |
|
|
WWD |
Woodward Inc |
43 |
- |
$150.58 |
$7,079,000 |
52,000 |
0.66% |
1,015,000 |
3,200 |
0.083 |
Industrial Electrical... |
|
|
ACHC |
Acadia Healthcare Company Inc |
45 |
- |
$73.18 |
$7,014,000 |
90,200 |
0.65% |
1,544,000 |
12,400 |
0.091 |
N/A |
|
|
WEAV |
Weave Communications, Inc. |
46 |
- |
$0.00 |
$6,990,000 |
609,400 |
0.65% |
2,723,000 |
85,800 |
0.949 |
N/A |
|
|
PRIM |
Primoris Services Corp |
48 |
- |
$46.42 |
$6,971,000 |
209,900 |
0.65% |
1,125,000 |
31,300 |
0.394 |
General Contractors |
|
|
IPAR |
Inter Parfums Inc |
49 |
- |
$119.56 |
$6,970,000 |
48,400 |
0.65% |
1,381,000 |
6,800 |
0.153 |
Personal Products |
|
|
JBI |
Janus International Group |
50 |
- |
$14.54 |
$6,896,000 |
528,400 |
0.64% |
2,845,000 |
149,800 |
0.387 |
N/A |
|
|
ONTO |
Onto Innovation Inc |
52 |
- |
$189.77 |
$6,819,000 |
44,600 |
0.64% |
1,578,000 |
3,500 |
0.091 |
Scientific & Technica... |
|
|
MHO |
M I Schottenstein Homes Inc |
53 |
- |
$120.07 |
$6,722,000 |
48,800 |
0.63% |
2,999,000 |
4,500 |
0.17 |
Residential Construct... |
|
|
GIII |
G III Apparel Group Ltd |
54 |
- |
$28.42 |
$6,680,000 |
196,600 |
0.62% |
3,092,000 |
52,600 |
0.406 |
Textile - Apparel Foo... |
|
|
PFBC |
Preferred Bank of L.A. |
56 |
- |
$76.45 |
$6,545,000 |
89,600 |
0.61% |
1,403,000 |
7,000 |
0.601 |
Domestic Regional Banks |
|
|
NEO |
NeoGenomics Inc |
58 |
- |
$14.14 |
$6,354,000 |
392,700 |
0.59% |
2,745,000 |
99,300 |
0.319 |
N/A |
|
|
MGPI |
MGP Ingredients Inc |
59 |
- |
$80.54 |
$6,350,000 |
64,450 |
0.59% |
691,000 |
10,800 |
0.293 |
Processed & Packaged ... |
|
|
FN |
Fabrinet |
60 |
- |
$175.45 |
$6,319,000 |
33,200 |
0.59% |
2,620,000 |
11,000 |
0.09 |
Electronic Equipment |
|
|
RES |
RPC Inc |
62 |
- |
$7.12 |
$6,247,000 |
858,128 |
0.58% |
-88,000 |
149,552 |
0.399 |
Oil & Gas Equipment &... |
|
|
PETQ |
Petiq, Inc. |
66 |
- |
$16.53 |
$6,012,000 |
304,400 |
0.56% |
1,686,000 |
84,800 |
0.977 |
N/A |
|
|
UPWK |
Upwork Inc |
67 |
- |
$11.56 |
$5,902,000 |
396,900 |
0.55% |
4,273,000 |
253,500 |
0.33 |
N/A |
|
|
CPRX |
Catalyst Pharmaceutical Par... |
68 |
- |
$14.89 |
$5,860,000 |
348,600 |
0.55% |
2,428,000 |
55,000 |
0.336 |
Drugs - Generic |
|
|
DVAX |
Dynavax Technologies Corp |
69 |
- |
$11.21 |
$5,835,000 |
417,400 |
0.54% |
146,000 |
32,200 |
0.31 |
Drug Manufacturers - ... |
|
|
KWR |
Quaker Chemical Corp |
70 |
- |
$190.23 |
$5,762,000 |
27,000 |
0.54% |
1,682,000 |
1,500 |
0.151 |
Specialty Chemicals |
|
|
EZPW |
Ezcorp Inc |
71 |
- |
$11.36 |
$5,729,000 |
655,500 |
0.53% |
818,000 |
60,200 |
1.021 |
Specialty Retail, Other |
|
|
SMCI |
Super Micro Computer Inc |
73 |
- |
$857.44 |
$5,429,000 |
19,100 |
0.51% |
1,124,000 |
3,400 |
0.037 |
Networking & Communic... |
|
|
BJRI |
BJs Restaurants Inc |
74 |
- |
$33.44 |
$5,351,000 |
148,600 |
0.5% |
2,719,000 |
36,400 |
0.635 |
Restaurants |
|
|
HEES |
H&E Equipment Services, Inc. |
76 |
- |
$58.65 |
$5,174,000 |
98,900 |
0.48% |
1,192,000 |
6,700 |
0.274 |
Industrial Equipment ... |
|
|
MOD |
Modine Manufacturing Co |
79 |
- |
$90.76 |
$5,164,000 |
86,500 |
0.48% |
1,294,000 |
1,900 |
0.169 |
Auto Parts |
|
|
ROVR |
Rover Group Ord Shs Class A |
81 |
- |
$10.99 |
$5,072,000 |
466,200 |
0.47% |
2,518,000 |
58,200 |
0.266 |
N/A |
|
|
MMS |
Maximus Inc |
82 |
- |
$80.43 |
$5,065,000 |
60,400 |
0.47% |
943,000 |
5,200 |
0.094 |
Education & Training ... |
|
|
JELD |
Jeld-Wen Holding, Inc. |
83 |
- |
$21.40 |
$4,913,000 |
260,200 |
0.46% |
1,608,000 |
12,800 |
1.441 |
N/A |
|
|
NXT |
Nextracker Inc. |
87 |
- |
$43.76 |
$4,835,000 |
103,200 |
0.45% |
927,000 |
5,900 |
0.204 |
N/A |
|
|
SNCY |
Sun Country Airlines Holdin... |
89 |
- |
$0.00 |
$4,683,000 |
297,700 |
0.44% |
483,000 |
14,700 |
0.505 |
N/A |
|
|
ATI |
Allegheny Technologies Inc |
93 |
- |
$51.75 |
$4,661,000 |
102,500 |
0.43% |
752,000 |
7,500 |
0.073 |
Steel & Iron |
|
|
CRY |
Cryolife Inc |
94 |
- |
$20.57 |
$4,613,000 |
258,000 |
0.43% |
850,000 |
9,800 |
0.681 |
Specialized Health Se... |
|
|
OSIS |
OSI Systems Inc |
96 |
- |
$134.82 |
$4,555,000 |
35,300 |
0.42% |
1,557,000 |
9,900 |
0.197 |
Semiconductor Equipme... |
|
|
FSLY |
Fastly, Inc. |
99 |
- |
$12.95 |
$4,446,000 |
249,800 |
0.41% |
1,181,000 |
79,500 |
0.244 |
N/A |
|
|
INSW |
International Seaways, Inc. |
101 |
- |
$55.13 |
$4,302,000 |
94,600 |
0.4% |
409,000 |
8,100 |
0.187 |
N/A |
|
|
VSEC |
VSE Corp |
102 |
- |
$76.01 |
$4,284,000 |
66,300 |
0.4% |
1,878,000 |
18,600 |
0.522 |
Technical Services |
|
|
AVNW |
Aviat Networks Inc |
103 |
- |
$33.96 |
$4,220,000 |
129,207 |
0.39% |
310,000 |
3,900 |
1.158 |
Communication Equipment |
|
|
ELF |
E L F Beauty Inc |
105 |
- |
$179.63 |
$4,114,000 |
28,500 |
0.38% |
1,720,000 |
6,700 |
0.053 |
N/A |
|
|
WING |
Wingstop Inc. |
106 |
- |
$382.56 |
$4,080,000 |
15,900 |
0.38% |
1,526,000 |
1,700 |
0.048 |
N/A |
|
|
MCRI |
Monarch Casino & Resort Inc |
107 |
- |
$68.07 |
$4,045,000 |
58,500 |
0.38% |
704,000 |
4,700 |
0.32 |
Gambling/Resorts |
|
|
CLW |
Clearwater Paper Corp |
112 |
- |
$40.23 |
$3,753,000 |
103,900 |
0.35% |
92,000 |
2,900 |
0.759 |
Paper & Paper Products |
|
|
GO |
Grocery Outlet Holding Corp. |
113 |
- |
$26.17 |
$3,753,000 |
139,200 |
0.35% |
409,000 |
23,300 |
0 |
N/A |
|
|
LMAT |
Lemaitre Vascular Inc |
114 |
- |
$65.46 |
$3,706,000 |
65,300 |
0.35% |
601,000 |
8,300 |
0.317 |
Medical Instruments &... |
|
|
HLX |
Helix Energy Solutions Grou... |
115 |
- |
$11.32 |
$3,674,000 |
357,400 |
0.34% |
-75,000 |
21,800 |
0.238 |
Semiconductor Equipme... |
|
|
FIX |
Comfort Systems USA Inc |
117 |
- |
$302.00 |
$3,640,000 |
17,700 |
0.34% |
1,254,000 |
3,700 |
0.049 |
General Contractors |
|
|
PRMW |
Primo Water Corp |
118 |
- |
$18.95 |
$3,624,000 |
240,800 |
0.34% |
705,000 |
29,300 |
0.15 |
Beverage Soft Drinks... |
|
|
HALO |
Halozyme Therapeutics Inc |
119 |
- |
$38.57 |
$3,559,000 |
96,300 |
0.33% |
1,630,000 |
45,800 |
0.07 |
Biotechnology |
|
|
QLYS |
Qualys, Inc. |
122 |
- |
$170.36 |
$3,455,000 |
17,600 |
0.32% |
923,000 |
1,000 |
0.045 |
Application Software |
|
|
ROCK |
Gibraltar Industires Inc |
125 |
- |
$72.26 |
$3,420,000 |
43,300 |
0.32% |
1,010,000 |
7,600 |
0.133 |
Steel & Iron |
|
|
CDRE |
Cadre Holdings, Inc. |
126 |
- |
$33.12 |
$3,368,000 |
102,400 |
0.31% |
2,107,000 |
55,100 |
0.298 |
N/A |
|
|
SSD |
Simpson Manufacturing Co Inc |
128 |
- |
$173.61 |
$3,326,000 |
16,800 |
0.31% |
1,124,000 |
2,100 |
0.039 |
Small Tools & Accesso... |
|
|
TREX |
Trex Co Inc |
129 |
- |
$90.53 |
$3,320,000 |
40,100 |
0.31% |
1,446,000 |
9,700 |
0.035 |
General Building Mate... |
|
|
SRCE |
1st Source Corp |
130 |
- |
$49.32 |
$3,297,000 |
60,000 |
0.31% |
944,000 |
4,100 |
0.235 |
Domestic Regional Banks |
|
|
NOV |
NOV Inc |
133 |
- |
$13.73 |
$3,182,000 |
156,900 |
0.3% |
235,000 |
15,900 |
0.04 |
Oil & Gas Equipment &... |
|
|
OXM |
Oxford Industries Inc |
134 |
- |
$106.71 |
$3,150,000 |
31,500 |
0.29% |
247,000 |
1,300 |
0.187 |
Textile - Apparel Clo... |
|
|
MGRC |
Mcgrath Rentcorp |
135 |
- |
$111.71 |
$3,122,000 |
26,100 |
0.29% |
1,007,000 |
5,000 |
0.108 |
Rental & Leasing Serv... |
|
|
HFWA |
Heritage Financial Corp |
136 |
- |
$17.87 |
$3,003,000 |
140,400 |
0.28% |
785,000 |
4,400 |
0.391 |
Savings & Loans |
|
|
MTDR |
Matador Resources Co |
137 |
- |
$65.61 |
$3,002,000 |
52,800 |
0.28% |
111,000 |
4,200 |
0.045 |
N/A |
|
|
FRME |
First Merchants Corp |
138 |
- |
$34.13 |
$2,937,000 |
79,200 |
0.27% |
909,000 |
6,300 |
0.146 |
Domestic Regional Banks |
|
|
RPD |
Rapid7, Inc. |
142 |
- |
$45.93 |
$2,752,000 |
48,200 |
0.26% |
742,000 |
4,300 |
0.082 |
N/A |
|
|
CAL |
Caleres Inc |
144 |
- |
$36.94 |
$2,717,000 |
88,400 |
0.25% |
301,000 |
4,400 |
0.233 |
Textile - Apparel Foo... |
|
|
PLUS |
ePlus Inc |
146 |
- |
$78.19 |
$2,659,000 |
33,300 |
0.25% |
645,000 |
1,600 |
0.124 |
Credit Services |
|
|
HWKN |
Hawkins Inc |
148 |
- |
$75.78 |
$2,641,000 |
37,500 |
0.25% |
546,000 |
1,900 |
0.177 |
Basic Materials Whole... |
|
|
POWL |
Powell Industries Inc |
152 |
- |
$148.82 |
$2,528,000 |
28,600 |
0.24% |
422,000 |
3,200 |
0.321 |
Industrial Electrical... |
|
|
MGY |
Magnolia Oil & Gas Corp |
155 |
- |
$26.34 |
$2,495,000 |
117,200 |
0.23% |
227,000 |
18,200 |
0.055 |
N/A |
|
|
ATRC |
Atricure, Inc. |
158 |
- |
$23.17 |
$2,466,000 |
69,100 |
0.23% |
394,000 |
21,800 |
0.15 |
Medical Instruments &... |
|
|
GRC |
Gorman Rupp Co |
160 |
- |
$33.38 |
$2,448,000 |
68,900 |
0.23% |
309,000 |
3,900 |
0.264 |
Diversified Machinery |
|
