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Oberweis Asset Management Inc

Portfolio

Holdings
SymbolName CountrySectorIndustryMost recent quarter% of Total Shares% of Total AssetsSharesBook ValueMarket Price ValueFundamental Score 
AAOI.NASDAQApplied OptUSATechnologyCommunication Equipment2024-09-301.9210.635865.9k$3.7m$34.4m
  
  
ACMR.NASDAQAcm Research IncUSATechnologySemiconductor Equipment & Materials2024-09-300.6650.433416.5k$6.6m$6.4m
  
  
ADMA.NASDAQADMA Biologics IncUSAHealthcareBiotechnology2024-09-301.232.9782.9m$2.7m$50.6m
  
  
AEHR.NASDAQAehr Test SystemsUSATechnologySemiconductor Equipment & Materials2024-08-311.8040.352534.4k$2.2m$8m
  
  
AMPH.NASDAQAmphastar PUSAHealthcareDrug Manufacturers - Specialty & Generic2024-09-300.8531.327417.8k$5.8m$15.9m
  
  
AMSC.NASDAQAmerican Superconductor CorporationUSAIndustrialsSpecialty Industrial Machinery2024-09-301.6840.803664.4k$3.1m$16.6m
  
  
AORT.NYSEArtivion IncUSAHealthcareMedical Devices2024-09-300.6740.385282.4k$2m$8m
  
  
AOSL.NASDAQAlpha and Omega Semiconductor LtdUSATechnologySemiconductors2024-09-300.7050.389204.7k$6.3m$8.1m
  
  
ASYS.NASDAQAmtech Systems IncUSATechnologySemiconductor Equipment & Materials2024-06-300.8380.096118.9k$681.6k$652.1k
  
  
ATEC.NASDAQAlphatec Holdings IncUSAHealthcareMedical Devices2024-09-300.9871.3821.3m-$12.4k$12.7m
  
  
AVNW.NASDAQAviat Networks IncUSATechnologyCommunication Equipment2024-09-301.5710.221199.3k$3.8m$3.3m
  
  
AVPT.NASDAQAvepoint IncUSATechnologySoftware - Infrastructure2024-09-300.2310.303425k$449.6k$7.5m
  
  
AXTI.NASDAQAXT IncUSATechnologySemiconductor Equipment & Materials2024-09-301.9350.107865.7k$5.1m$1.9m
  
  
BELFB.NASDAQBel Fuse B IncUSATechnologyElectronic Components2024-09-300.9530.616121.5k$3.5m$10.1m
  
  
BLBD.NASDAQBlue Bird CorpUSAIndustrialsFarm & Heavy Construction Machinery2024-09-300.9370.823301.3k$1.4m$11.7m
  
  
BLZE.NASDAQBackblaze IncUSATechnologySoftware - Infrastructure2024-09-301.0440.176538.7k$447.1k$3.4m
  
  
BVS.NASDAQBioventus IncUSAHealthcareMedical Devices2024-09-300.7820.313510.9k$1.4m$5.4m
  
  
CAMT.NASDAQCamtek LtdUSATechnologySemiconductor Equipment & Materials2024-09-300.3310.642148.2k$1.4m$12.4m
  
  
CLFD.NASDAQClearfield IncUSATechnologyCommunication Equipment2024-09-300.621.89294.5k$1.8m$2.9m
  
  
CLW.NYSEClearwater Paper CorporationUSABasic MaterialsPaper & Paper Products2024-09-301.0580.256175.2k$7m$5.7m
  
  
CSTM.NYSEConstellium NvUSABasic MaterialsAluminum2024-09-301.2572.1251.8m$11.9m$18.9m
  
  
CVV.NASDAQCVD Equipment CorporationUSAIndustrialsSpecialty Industrial Machinery2024-09-301.5090.073103k$373.7k$417.1k
  
  
CYBE.NASDAQCYBE.NASDAQ----0.5760.37842.8k--
  
  
DADA.NASDAQDada Nexus LtdUSAConsumer CyclicalInternet Retail2024-09-300.1790.678457.6k$1.3m$631.5k
  
  
DAVA.NYSEEndava LtdUSATechnologySoftware - Infrastructure2024-09-300.6978.844395.8k$5.2m$12.2m
  
  
DXLG.NASDAQDestination XL Group IncUSAConsumer CyclicalApparel Retail2024-10-310.7170.198415.7k$997.2k$1.1m
  
  
DZSI.NASDAQDZS IncUSATechnologyCommunication Equipment2024-09-300.4210.485117.8k$98.2k$91.8k
  
  
EZPW.NASDAQEZCORP IncUSAFinancial ServicesCredit Services2024-09-301.2590.394685.5k$6.6m$8.1m
  
  
FLL.NASDAQFull House Resorts IncUSAConsumer CyclicalResorts & Casinos2024-09-300.6450.101223.1k$324.8k$888.1k
  
  
KVHI.NASDAQKVH Industries IncUSATechnologyCommunication Equipment2024-09-300.4660.10191k$655.8k$483.2k
  
  
LMB.NASDAQLimbach Holdings IncUSAIndustrialsBuilding Products & Equipment2024-09-300.9830.43110.8k$1.3m$9.7m
  
  
LYTS.NASDAQLSI Industries IncUSATechnologyElectronic Components2024-09-301.0280.504298.7k$2m$5.8m
  
  
MBWM.NASDAQMercantile Bank CorporationUSAFinancial ServicesBanks - Regional2024-09-300.5570.22489.8k$3.2m$4m
  
  
NGVC.NYSENatural Grocers by Vitamin Cottage IncUSAConsumer DefensiveGrocery Stores2024-09-300.4590.16105k$789.4k$4.1m
  
  
NIC.NYSENicolet Bankshares Inc.USAFinancial ServicesBanks - Regional2024-09-300.3050.22746.4k$3.4m$4.9m
  
  
NINE.NYSENine Energy Service IncUSAEnergyOil & Gas Equipment & Services2024-09-300.6670.11235.8k-$320.4k$228.9k
  
  
NRDS.NASDAQNerdwallet IncUSACommunication ServicesInternet Content & Information2024-09-300.2320.359175.9k$715.2k$2.3m
  
  
NVMI.NASDAQNova LtdUSATechnologySemiconductor Equipment & Materials2024-09-301.80310.33517.2k$14.5m$105m
  
  
NVTS.NASDAQNavitas Semiconductor CorpUSATechnologySemiconductors2024-09-300.5420.2441m$2m$4m
  
  
OSPN.NASDAQOneSpan IncUSATechnologySoftware - Infrastructure2024-09-300.9760.317370.7k$1.8m$6.8m
  
  
PERI.NASDAQPerion NetworkUSACommunication ServicesInternet Content & Information2024-09-300.9711.53470.2k$7m$3.9m
  
  
PLYA.NASDAQPlaya Hotels & Resorts BVUSAConsumer CyclicalResorts & Casinos2024-09-300.6360.307772.5k$2.9m$9.4m
  
  
RFIL.NASDAQRF Industries LtdUSAIndustrialsElectrical Equipment & Parts2024-07-310.6130.03263.1k$205.2k$239.7k
  
  
RSI.NYSERush Street Interactive IncUSAConsumer CyclicalGambling2024-09-301.0970.54971.9k$787.2k$13m
  
  
TCMD.NASDAQTactile Systems Technology IncUSAHealthcareMedical Devices2024-09-301.40.493330.3k$2.8m$5.7m
  
  
UCTT.NASDAQUltra Clean Holdings IncUSATechnologySemiconductor Equipment & Materials2024-09-300.9770.9440.1k$9m$16m
  
  
ULH.NASDAQUniversal Logistics Holdings IncUSAIndustrialsTrucking2024-09-300.2620.15269k$1.6m$3.2m
  
  
USAP.NASDAQUniversal Stainless & AlloyUSABasic MaterialsSteel2024-09-300.8590.1680.9k$2m$3.5m
  
  
WEAV.NYSEWeave Communications IncUSAHealthcareHealth Information Services2024-09-300.8370.4609.4k$576.4k$9.7m
  
  
WLDN.NASDAQWilldan Group IncUSAIndustrialsEngineering & Construction2024-09-300.5650.1479.1k$1.2m$3m
  
  

Trades

Buys
Report date: 2024-09-30
TradeCurrent
SymbolShares%Total$ RangePrice%
NGVC.NYSE105k-2.6m21-30$39.9090.8%
NIC.NYSE46.4k-4.3m80-105$106.3233.2%
Report date: 2024-06-30
TradeCurrent
SymbolShares%Total$ RangePrice%
AXTI.NASDAQ659k-2.3m3-5$2.27-17.5%
BVS.NASDAQ380.9k-2m4-7$10.68173.8%
OSPN.NASDAQ370.7k-4.4m10-14$18.3990.0%
ULH.NASDAQ62.2k-2.5m32-51$47.1548.4%
USAP.NASDAQ80.9k-2.3m23-35$44.0592.3%
WLDN.NASDAQ79.1k-2.3m26-35$38.4248.3%
Report date: 2024-03-31
TradeCurrent
SymbolShares%Total$ RangePrice%
AMSC.NASDAQ634.4k-7.8m9-15$25.02167.0%
BLZE.NASDAQ357.8k-3.3m7-13$6.37-7.8%
LMB.NASDAQ164.8k-7.1m35-53$88.01149.8%
RSI.NYSE776.7k-4.1m4-7$13.42276.8%
Report date: 2023-09-30
TradeCurrent
SymbolShares%Total$ RangePrice%
AAOI.NASDAQ468.4k-4.9m6-16$39.82599.8%
AVPT.NASDAQ425k-2.6m6-7$17.80222.5%
Report date: 2023-06-30
TradeCurrent
SymbolShares%Total$ RangePrice%
WEAV.NYSE394.5k-2.6m4-12$16.01296.3%
Report date: 2023-03-31
TradeCurrent
SymbolShares%Total$ RangePrice%
CVV.NASDAQ32.3k-364.5k5-16$4.05-25.7%
Report date: 2022-12-31
TradeCurrent
SymbolShares%Total$ RangePrice%
KVHI.NASDAQ88k-893.1k9-12$5.31-39.0%
NRDS.NASDAQ175.9k-1.9m8-14$13.1755.9%
Sells
Report date: 2022-06-30
TradeCurrent
SymbolShares%TotalPrice RangePrice%
ATRS.NASDAQ-344.2k-100.0-0.000-0--
Adds
Report date: 2024-09-30
TradeCurrent
SymbolShares%Total$ RangePrice%
ADMA.NASDAQ866.3k42.513.4m10-20$17.4170.5%
AOSL.NASDAQ24.7k13.7937.9k32-47$39.7925.4%
AXTI.NASDAQ206.7k31.4584.7k2-4$2.2713.5%
BVS.NASDAQ130k34.11.1m5-12$10.6895.2%
CLW.NYSE63k56.22.4m28-57$32.6617.9%
UCTT.NASDAQ120.5k37.74.9m32-56$36.4912.9%
ULH.NASDAQ6.8k10.9281.3k36-47$47.1531.0%
Report date: 2024-06-30
TradeCurrent
SymbolShares%Total$ RangePrice%
AAOI.NASDAQ16.3k1.9179.1k8-15$39.82382.7%
AMSC.NASDAQ30k4.7495.5k11-27$25.02120.2%
BLZE.NASDAQ180.9k50.61.4m5-11$6.3718.6%
CSTM.NYSE35.6k2.0740.3k19-23$10.33-45.1%
MBWM.NASDAQ563.000.621k33-41$45.3935.7%
NVTS.NASDAQ205.8k25.5865.8k3-5$3.9814.4%
RSI.NYSE195.2k25.11.5m6-10$13.42134.9%
Report date: 2024-03-31
TradeCurrent
SymbolShares%Total$ RangePrice%
AAOI.NASDAQ381.2k81.46.4m12-25$39.82228.0%
ACMR.NASDAQ99.3k29.12.2m16-34$15.38-2.0%
ADMA.NASDAQ712.3k34.33.8m4-7$17.41298.4%
AEHR.NASDAQ57.7k6.3962.3k11-26$15.1343.6%
AMPH.NASDAQ265.3k174.013.7m42-66$38.27-9.2%
AORT.NYSE34.2k13.8636.7k16-22$28.5573.2%
ATEC.NASDAQ149.8k12.12.2m13-17$9.23-27.4%
AVNW.NASDAQ74k59.12.4m29-39$16.88-41.3%
WEAV.NYSE85.8k16.41m11-14$16.0152.5%
Report date: 2023-09-30
TradeCurrent
SymbolShares%Total$ RangePrice%
AEHR.NASDAQ37k4.21.7m38-54$15.13-60.0%
AORT.NYSE36.9k17.5598k15-18$28.5595.8%
ATEC.NASDAQ255.5k26.14m12-19$9.23-23.6%
AVNW.NASDAQ15.8k14.4499.8k28-36$16.88-38.6%
CSTM.NYSE133.8k4.82.3m16-19$10.33-35.5%
LYTS.NASDAQ15k5.3208.9k12-17$19.5566.5%
MBWM.NASDAQ22.8k36.3743.6k27-37$45.3968.4%
NVTS.NASDAQ272.5k42.62.4m7-11$3.98-40.8%
PERI.NASDAQ44k10.31.4m30-37$8.36-71.7%
TCMD.NASDAQ35.4k12.0695.7k13-26$17.3335.8%
WEAV.NYSE129.1k32.71.3m8-12$16.01101.1%
Report date: 2023-06-30
TradeCurrent
SymbolShares%Total$ RangePrice%
AEHR.NASDAQ174k24.95.7m23-44$15.13-34.5%
BLBD.NASDAQ174k136.73.7m17-29$38.85123.7%
CAMT.NASDAQ30.5k25.9873.9k25-37$83.94238.4%
CVV.NASDAQ70.7k218.9640.1k6-14$4.05-37.6%
NINE.NYSE10.6k4.741.3k3-7$0.97-66.5%
OSPN.NASDAQ55.5k15.4868.9k11-19$18.3971.2%
PERI.NASDAQ39k10.11.3m30-43$8.36-71.7%
Report date: 2023-03-31
TradeCurrent
SymbolShares%Total$ RangePrice%
AEHR.NASDAQ91.5k15.12.9m17-41$15.13-11.3%
ASYS.NASDAQ5k4.446.9k8-11$5.49-29.8%
BELFB.NASDAQ6.7k5.8241.2k31-42$83.68167.3%
KVHI.NASDAQ3k3.430.6k9-12$5.31-42.5%
NINE.NYSE126.1k127.21.3m5-17$0.97-80.1%
OSPN.NASDAQ144.4k66.62.1m11-19$18.3963.6%
PERI.NASDAQ139.7k56.54.6m25-40$8.36-66.2%
Report date: 2022-12-31
TradeCurrent
SymbolShares%Total$ RangePrice%
AEHR.NASDAQ99.2k19.52.1m14-28$15.1310.4%
BELFB.NASDAQ10k9.5326.4k25-38$83.68231.4%
CLFD.NASDAQ35.5k60.33.7m83-135$31.33-62.2%
DADA.NASDAQ25.9k6.0135.7k3-8$1.38-53.7%
PERI.NASDAQ80.4k48.11.9m19-28$8.36-56.5%
Report date: 2022-09-30
TradeCurrent
SymbolShares%Total$ RangePrice%
AEHR.NASDAQ333k190.04.4m7-19$15.13125.5%
ASYS.NASDAQ5k4.645.9k7-13$5.49-17.6%
BELFB.NASDAQ23.3k28.6544.5k15-30$83.68461.1%
CSTM.NYSE232.2k4.43m10-15$10.335.2%
PERI.NASDAQ22.7k15.7456.8k18-23$8.36-52.2%
Report date: 2022-06-30
TradeCurrent
SymbolShares%Total$ RangePrice%
DADA.NASDAQ182.7k50.91.4m5-11$1.38-74.0%
FLL.NASDAQ35.2k18.5273.4k5-10$3.98-24.5%
Reduces
Report date: 2024-09-30
TradeCurrent
SymbolShares%Total$ RangePrice%
ACMR.NASDAQ-24.6k-5.6-472.1k14-26$15.3810.3%
LMB.NASDAQ-54k-32.8-3.4m48-82$88.0182.7%
Report date: 2024-06-30
TradeCurrent
SymbolShares%Total$ RangePrice%
AEHR.NASDAQ-433.4k-44.8-5m10-14$15.1353.9%
Report date: 2024-03-31
TradeCurrent
SymbolShares%Total$ RangePrice%
CSTM.NYSE-1.1m-38.5-21.8m18-22$10.33-41.2%
Report date: 2023-06-30
TradeCurrent
SymbolShares%Total$ RangePrice%
CSTM.NYSE-1.7m-38.5-26.9m13-17$10.33-22.9%
Report date: 2023-03-31
TradeCurrent
SymbolShares%Total$ RangePrice%
CSTM.NYSE-385.5k-7.8-5.6m12-17$10.33-12.2%
Report date: 2022-12-31
TradeCurrent
SymbolShares%Total$ RangePrice%
CSTM.NYSE-565.7k-10.3-6.6m10-13$10.332.4%
Report date: 2022-09-30
TradeCurrent
SymbolShares%Total$ RangePrice%
NVMI.NASDAQ-22.6k-4.2-2.2m82-111$203.15148.9%
RFIL.NASDAQ-800.00-1.3-5.3k5-7$3.80-26.5%
Report date: 2022-06-30
TradeCurrent
SymbolShares%Total$ RangePrice%
AEHR.NASDAQ-2.9k-1.6-24.2k7-11$15.13120.6%
ASYS.NASDAQ-1.8k-1.6-15.6k7-10$5.49-21.5%
BELFB.NASDAQ-1.4k-1.7-22.8k15-19$83.68463.9%
CSTM.NYSE-274.2k-4.9-4.4m12-19$10.33-12.4%
CYBE.NASDAQ-700.00-1.6-28.6k34-49--
DAVA.NYSE-18.8k-4.6-1.9m83-141$30.84-62.7%
DZSI.NASDAQ-2k-1.7-29.4k12-20$0.78-93.3%
NVMI.NASDAQ-26.6k-4.7-2.6m86-116$203.15135.2%
RFIL.NASDAQ-1.1k-1.7-7k5-7$3.80-30.7%

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