OBERWEIS ASSET MANAGEMENT INC

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Type
Submitted
Adviser OBERWEIS ASSET MANAGEMENT INC/ Type 13F-HR Submitted
02/14/2025
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker000899104 Stock NameADMA Biologics, Inc. $ Position$57.3 b % Position3.00 % $ Change-1.00 % # Shares3,342,560 # Change15.00 %
Stock TickerG25457105 Stock NameCredo Technology Group $ Position$64.5 b % Position3.00 % $ Change153.00 % # Shares959,594 # Change16.00 %
Stock Ticker98956A105 Stock NameZeta Global Holdings Corp. $ Position$33.1 b % Position2.00 % $ Change-31.00 % # Shares1,840,040 # Change15.00 %
Stock TickerG8068L108 Stock NameSharkNinja, Inc. $ Position$48.6 b % Position2.00 % $ Change-3.00 % # Shares499,290 # Change8.00 %
Stock Ticker830879102 Stock NameSkywest Inc $ Position$32.0 b % Position2.00 % $ Change35.00 % # Shares319,150 # Change15.00 %
Adviser OBERWEIS ASSET MANAGEMENT INC/ Type 13F-HR Submitted
11/14/2024
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker000899104 Stock NameADMA Biologics, Inc. $ Position$58.1 b % Position3.00 % $ Change155.00 % # Shares2,907,080 # Change42.00 %
Stock TickerG8068L108 Stock NameSharkNinja, Inc. $ Position$50.2 b % Position3.00 % $ Change69.00 % # Shares462,190 # Change17.00 %
Stock Ticker98956A105 Stock NameZeta Global Holdings Corp. $ Position$47.9 b % Position2.00 % $ Change71.00 % # Shares1,604,130 # Change1.00 %
Stock Ticker29261A100 Stock NameEncompass Health Corporation $ Position$29.6 b % Position2.00 % $ Change18.00 % # Shares306,608 # Change5.00 %
Stock Ticker33768G107 Stock NameFirstCash Holdings, Inc $ Position$11.2 b % Position1.00 % $ Change30.00 % # Shares97,900 # Change19.00 %
Adviser OBERWEIS ASSET MANAGEMENT INC/ Type N-PX Submitted
08/30/2024
Adviser OBERWEIS ASSET MANAGEMENT INC/ Type 13F-HR Submitted
08/14/2024
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker98956A105 Stock NameZeta Global Holdings Corp. $ Position$28.0 b % Position2.00 % $ Change117.00 % # Shares1,588,380 # Change34.00 %
Stock TickerG48833118 Stock NameWeatherford International PLC $ Position$35.8 b % Position2.00 % $ Change40.00 % # Shares292,770 # Change32.00 %
Stock TickerF21107101 Stock NameConstellium NV Cl A $ Position$34.7 b % Position2.00 % $ Change-13.00 % # Shares1,838,871 # Change2.00 %
Stock TickerG25457105 Stock NameCredo Technology Group $ Position$24.9 b % Position2.00 % $ Change265.00 % # Shares780,330 # Change142.00 %
Stock Ticker29261A100 Stock NameEncompass Health Corporation $ Position$25.1 b % Position2.00 % $ Change49.00 % # Shares292,187 # Change43.00 %
Adviser OBERWEIS ASSET MANAGEMENT INC/ Type 13F-HR Submitted
05/15/2024
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock TickerF21107101 Stock NameConstellium NV Cl A $ Position$39.9 b % Position3.00 % $ Change8.00 % # Shares1,803,271 # Change-3.00 %
Stock TickerG48833118 Stock NameWeatherford International PLC $ Position$25.6 b % Position2.00 % $ Change9.00 % # Shares222,100 # Change-7.00 %
Stock Ticker054540208 Stock NameAxcelis Technologies $ Position$23.3 b % Position2.00 % $ Change-27.00 % # Shares209,339 # Change-15.00 %
Stock Ticker095306106 Stock NameBlue Bird Corporation $ Position$11.5 b % Position1.00 % $ Change48.00 % # Shares299,100 # Change4.00 %
Stock Ticker05465P101 Stock NameAxonics, Inc. $ Position$11.3 b % Position1.00 % $ Change2.00 % # Shares163,570 # Change-8.00 %
Adviser OBERWEIS ASSET MANAGEMENT INC/ Type 13F-HR Submitted
02/14/2024
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker054540208 Stock NameAxcelis Technologies $ Position$31.8 b % Position3.00 % $ Change1.00 % # Shares245,329 # Change27.00 %
Stock TickerF21107101 Stock NameConstellium NV Cl A $ Position$36.9 b % Position3.00 % $ Change-31.00 % # Shares1,850,371 # Change-37.00 %
Stock Ticker00760J108 Stock NameAehr Test Systems $ Position$28.9 b % Position3.00 % $ Change-30.00 % # Shares1,091,202 # Change20.00 %
Stock Ticker02081G201 Stock NameAlphatec Hldgs Inc. $ Position$24.3 b % Position2.00 % $ Change52.00 % # Shares1,607,820 # Change30.00 %
Stock Ticker03209R103 Stock NameAmphastar Pharmaceuticals, Inc $ Position$21.0 b % Position2.00 % $ Change200.00 % # Shares340,265 # Change123.00 %
Adviser OBERWEIS ASSET MANAGEMENT INC/ Type 13F-HR Submitted
11/14/2023
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock TickerF21107101 Stock NameConstellium NV Cl A $ Position$53.4 b % Position6.00 % $ Change11.00 % # Shares2,933,071 # Change5.00 %
Stock Ticker00760J108 Stock NameAehr Test Systems $ Position$41.6 b % Position4.00 % $ Change15.00 % # Shares910,108 # Change4.00 %
Stock Ticker054540208 Stock NameAxcelis Technologies $ Position$31.6 b % Position3.00 % $ Change-28.00 % # Shares193,559 # Change-19.00 %
Stock Ticker02081G201 Stock NameAlphatec Hldgs Inc. $ Position$16.0 b % Position2.00 % $ Change-9.00 % # Shares1,236,040 # Change26.00 %
Stock Ticker92537N108 Stock NameVertiv Holdings Co. $ Position$14.2 b % Position2.00 % $ Change130.00 % # Shares380,990 # Change53.00 %
Adviser OBERWEIS ASSET MANAGEMENT INC/ Type 13F-HR Submitted
08/14/2023
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock TickerF21107101 Stock NameConstellium NV Cl A $ Position$48.1 b % Position6.00 % $ Change-31.00 % # Shares2,799,271 # Change-39.00 %
Stock Ticker054540208 Stock NameAxcelis Technologies $ Position$44.1 b % Position5.00 % $ Change22.00 % # Shares240,399 # Change-12.00 %
Stock Ticker00760J108 Stock NameAehr Test Systems $ Position$36.0 b % Position4.00 % $ Change66.00 % # Shares873,108 # Change25.00 %
Stock Ticker02081G201 Stock NameAlphatec Hldgs Inc. $ Position$17.6 b % Position2.00 % $ Change67.00 % # Shares980,470 # Change44.00 %
Stock Ticker453204109 Stock NameImpinj, Inc. $ Position$16.1 b % Position2.00 % $ Change-19.00 % # Shares179,145 # Change22.00 %
Adviser OBERWEIS ASSET MANAGEMENT INC/ Type 13F-HR Submitted
05/15/2023
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock TickerF21107101 Stock NameConstellium NV Cl A $ Position$69.6 b % Position11.00 % $ Change19.00 % # Shares4,553,786 # Change-8.00 %
Stock Ticker054540208 Stock NameAxcelis Technologies $ Position$36.2 b % Position6.00 % $ Change63.00 % # Shares271,989 # Change-3.00 %
Stock Ticker453204109 Stock NameImpinj, Inc. $ Position$19.8 b % Position3.00 % $ Change64.00 % # Shares146,275 # Change32.00 %
Stock Ticker00760J108 Stock NameAehr Test Systems $ Position$21.7 b % Position3.00 % $ Change78.00 % # Shares699,108 # Change15.00 %
Stock Ticker227046109 Stock NameCrocs, Inc. $ Position$13.3 b % Position2.00 % $ Change18.00 % # Shares105,350 # Change1.00 %
Adviser OBERWEIS ASSET MANAGEMENT INC/ Type 13F-HR Submitted
02/14/2023
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock TickerF21107101 Stock NameConstellium NV Cl A $ Position$58.4 b % Position12.00 % $ Change104578.00 % # Shares4,939,312 # Change-10.00 %
Stock Ticker054540208 Stock NameAxcelis Technologies $ Position$22.2 b % Position5.00 % $ Change144569.00 % # Shares279,549 # Change10.00 %
Stock Ticker00760J108 Stock NameAehr Test Systems $ Position$12.2 b % Position3.00 % $ Change170281.00 % # Shares607,608 # Change20.00 %
Stock Ticker453204109 Stock NameImpinj, Inc. $ Position$12.1 b % Position3.00 % $ Change422805.00 % # Shares110,665 # Change210.00 %
Stock Ticker40637H109 Stock NameHalozyme Therapeutics, Inc. $ Position$8.2 b % Position2.00 % $ Change176959.00 % # Shares143,390 # Change23.00 %
Adviser OBERWEIS ASSET MANAGEMENT INC/ Type 13F-HR Submitted
11/14/2022
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock TickerF21107101 Stock NameConstellium NV Cl A $ Position$55.8 m % Position13.06 % $ Change-19.86 % # Shares5,505,076 # Change4.40 %
Stock TickerM7516K103 Stock NameNova Measuring Instruments $ Position$44.1 m % Position10.33 % $ Change-7.70 % # Shares517,213 # Change-4.20 %
Stock Ticker29260V105 Stock NameEndava Plc Ads $ Position$29.8 m % Position6.98 % $ Change-14.66 % # Shares369,867 # Change-6.57 %
Stock Ticker054540208 Stock NameAxcelis Technologies $ Position$15.3 m % Position3.59 % $ Change34.29 % # Shares253,219 # Change21.61 %
Stock Ticker516544103 Stock NameLantheus Hldgs Inc. $ Position$13.6 m % Position3.19 % $ Change1.87 % # Shares193,950 # Change-4.35 %
Adviser OBERWEIS ASSET MANAGEMENT INC/ Type 13F-HR Submitted
08/15/2022
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock TickerF21107101 Stock NameConstellium NV Cl A $ Position$69.7 m % Position17.63 % $ Change-30.24 % # Shares5,272,876 # Change-4.94 %
Stock TickerM7516K103 Stock NameNova Measuring Instruments $ Position$47.8 m % Position12.10 % $ Change-22.51 % # Shares539,892 # Change-4.70 %
Stock Ticker29260V105 Stock NameEndava Plc Ads $ Position$34.9 m % Position8.84 % $ Change-36.67 % # Shares395,888 # Change-4.56 %
Stock Ticker516544103 Stock NameLantheus Hldgs Inc. $ Position$13.4 m % Position3.39 % $ Change17.37 % # Shares202,780 # Change-1.69 %
Stock Ticker054540208 Stock NameAxcelis Technologies $ Position$11.4 m % Position2.89 % $ Change-21.17 % # Shares208,220 # Change8.57 %
Adviser OBERWEIS ASSET MANAGEMENT INC/ Type 13F-HR Submitted
05/16/2022
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock TickerF21107101 Stock NameConstellium NV Cl A $ Position$99.8 m % Position20.00 % $ Change1.52 % # Shares5,547,097 # Change1.01 %
Stock TickerM7516K103 Stock NameNova Measuring Instruments $ Position$61.7 m % Position12.36 % $ Change-20.59 % # Shares566,500 # Change6.85 %
Stock Ticker29260V105 Stock NameEndava Plc Ads $ Position$55.2 m % Position11.05 % $ Change-19.69 % # Shares414,787 # Change1.37 %
Stock Ticker054540208 Stock NameAxcelis Technologies $ Position$14.5 m % Position2.90 % $ Change25.34 % # Shares191,790 # Change23.74 %
Stock Ticker516544103 Stock NameLantheus Hldgs Inc. $ Position$11.4 m % Position2.29 % $ Change268.71 % # Shares206,260 # Change92.59 %
Adviser OBERWEIS ASSET MANAGEMENT INC/ Type 13F-HR Submitted
02/14/2022
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock TickerF21107101 Stock NameConstellium NV Cl A $ Position$98.4 m % Position17.94 % $ Change-19.40 % # Shares5,491,697 # Change-15.48 %
Stock TickerM7516K103 Stock NameNova Measuring Instruments $ Position$77.7 m % Position14.17 % $ ChangeN / A # Shares530,200 # ChangeN / A
Stock Ticker29260V105 Stock NameEndava Plc Ads $ Position$68.7 m % Position12.54 % $ Change-14.57 % # Shares409,187 # Change-30.88 %
Stock Ticker87157D109 Stock NameSynaptics, Inc. $ Position$14.9 m % Position2.73 % $ Change45.58 % # Shares51,620 # Change-9.63 %
Stock Ticker054540208 Stock NameAxcelis Technologies $ Position$11.6 m % Position2.11 % $ Change59.69 % # Shares155,000 # Change0.73 %
Adviser HR - OBERWEIS ASSET MANAGEMENT INC/ Type 13F-HR Submitted
11/15/2021
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock TickerF21107101 Stock NameConstellium NV Cl A $ Position$122.0 m % Position25.27 % $ Change-2.32 % # Shares6,497,497 # Change-1.44 %
Stock Ticker29260V105 Stock NameEndava Plc Ads $ Position$80.4 m % Position16.65 % $ Change18.67 % # Shares592,021 # Change-0.95 %
Stock Ticker81141R100 Stock NameSea Ltd $ Position$29.2 m % Position6.05 % $ Change86.97 % # Shares91,600 # Change61.09 %
Stock Ticker87157D109 Stock NameSynaptics, Inc. $ Position$10.3 m % Position2.13 % $ Change18.76 % # Shares57,120 # Change2.81 %
Stock Ticker159179100 Stock NameChannelAdvisor Corporation $ Position$9.8 m % Position2.04 % $ Change-4.04 % # Shares389,930 # Change-6.78 %
Adviser OBERWEIS ASSET MANAGEMENT INC/ Type 13F-HR Submitted
08/16/2021
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock TickerF21107101 Stock NameConstellium NV Cl A $ Position$124.9 m % Position27.37 % $ Change36.99 % # Shares6,592,097 # Change6.27 %
Stock Ticker29260V105 Stock NameEndava Plc Ads $ Position$67.8 m % Position14.85 % $ Change69.17 % # Shares597,721 # Change26.36 %
Stock Ticker81141R100 Stock NameSea Ltd $ Position$15.6 m % Position3.42 % $ Change39.72 % # Shares56,863 # Change13.58 %
Stock Ticker159179100 Stock NameChannelAdvisor Corporation $ Position$10.3 m % Position2.25 % $ Change1.74 % # Shares418,280 # Change-2.25 %
Stock Ticker68621F102 Stock NameOrganogenesis Hlgs, Inc. $ Position$9.3 m % Position2.04 % $ Change5.10 % # Shares561,608 # Change15.22 %
Adviser OBERWEIS ASSET MANAGEMENT INC/ Type 13F-HR Submitted
05/17/2021
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock TickerF21107101 Stock NameConstellium NV Cl A $ Position$91.2 m % Position18.65 % $ Change2.15 % # Shares6,203,397 # Change-2.78 %
Stock TickerM4R82T106 Stock NameFiverr Intl Ltd. $ Position$73.8 m % Position15.09 % $ Change8.26 % # Shares339,624 # Change-2.75 %
Stock TickerM6372Q113 Stock NameKornit Digital Ltd. $ Position$41.3 m % Position8.45 % $ ChangeN / A # Shares416,851 # ChangeN / A
Stock Ticker29260V105 Stock NameEndava Plc Ads $ Position$40.1 m % Position8.19 % $ Change11.19 % # Shares473,031 # Change0.77 %
Stock Ticker81141R100 Stock NameSea Ltd $ Position$11.2 m % Position2.29 % $ Change421.51 % # Shares50,063 # Change365.10 %
Adviser OBERWEIS ASSET MANAGEMENT INC/ Type 13F-HR Submitted
02/16/2021
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock TickerF21107101 Stock NameConstellium NV Cl A $ Position$89.3 m % Position23.50 % $ Change81.21 % # Shares6,380,797 # Change1.68 %
Stock TickerM4R82T106 Stock NameFiverr Intl Ltd. $ Position$68.1 m % Position17.94 % $ Change4.00 % # Shares349,224 # Change-25.92 %
Stock Ticker29260V105 Stock NameEndava Plc Ads $ Position$36.0 m % Position9.49 % $ Change36.17 % # Shares469,431 # Change12.04 %
Stock Ticker91688F104 Stock NameUpwork, Inc. $ Position$13.8 m % Position3.65 % $ Change98.20 % # Shares401,050 # Change0.14 %
Stock Ticker14843C105 Stock NameCastle Biosciences, Inc. $ Position$11.0 m % Position2.88 % $ Change32.46 % # Shares163,110 # Change1.49 %
Adviser OBERWEIS ASSET MANAGEMENT INC/ Type 13F-HR Submitted
11/16/2020
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock TickerM4R82T106 Stock NameFiverr Intl Ltd. $ Position$65.5 m % Position22.06 % $ Change44.00 % # Shares471,394 # Change-23.51 %
Stock TickerF21107101 Stock NameConstellium NV Cl A $ Position$49.3 m % Position16.58 % $ Change72.37 % # Shares6,275,307 # Change68.64 %
Stock Ticker29260V105 Stock NameEndava Plc Ads $ Position$26.5 m % Position8.91 % $ Change8.69 % # Shares418,982 # Change-16.87 %
Stock TickerM15342104 Stock NameAudio Codes ADR $ Position$14.7 m % Position4.96 % $ Change13.81 % # Shares468,012 # Change15.01 %
Stock Ticker14843C105 Stock NameCastle Biosciences, Inc. $ Position$8.3 m % Position2.78 % $ Change38.00 % # Shares160,720 # Change1.09 %
Adviser OBERWEIS ASSET MANAGEMENT INC/ Type 13F-HR Submitted
08/14/2020
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock TickerM4R82T106 Stock NameFiverr Intl Ltd. $ Position$45.5 m % Position17.86 % $ ChangeN / A # Shares616,296 # ChangeN / A
Stock TickerF21107101 Stock NameConstellium NV Cl A $ Position$28.6 m % Position11.22 % $ ChangeN / A # Shares3,721,211 # ChangeN / A
Stock Ticker29260V105 Stock NameEndava Plc Ads $ Position$24.3 m % Position9.56 % $ Change28.00 % # Shares504,000 # Change-6.82 %
Stock TickerM15342104 Stock NameAudio Codes ADR $ Position$12.9 m % Position5.08 % $ ChangeN / A # Shares406,947 # ChangeN / A
Stock Ticker01609W102 Stock NameAlibaba ADR $ Position$7.8 m % Position3.06 % $ Change11.20 % # Shares36,095 # Change0.25 %
Adviser OBERWEIS ASSET MANAGEMENT INC/ Type 13F-HR Submitted
05/15/2020
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Tickerm15342104 Stock NameAudio Codes ADR $ Position$28.1 m % Position15.48 % $ Change-3.02 % # Shares1,174,438 # Change4.28 %
Stock Ticker29260V105 Stock NameEndava Plc Ads $ Position$19.0 m % Position10.49 % $ ChangeN / A # Shares540,900 # ChangeN / A
Stock Ticker28238P109 Stock NameEhealth, Inc. $ Position$7.3 m % Position4.01 % $ Change-3.12 % # Shares51,651 # Change-33.89 %
Stock Ticker01609W102 Stock NameAlibaba ADR $ Position$7.0 m % Position3.86 % $ Change-8.49 % # Shares36,005 # Change-0.19 %
Stock Ticker45772F107 Stock NameINPHI Corp. $ Position$5.2 m % Position2.89 % $ Change76.19 % # Shares66,270 # Change64.73 %
Adviser OBERWEIS ASSET MANAGEMENT INC/ Type 13F-HR Submitted
02/14/2020
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock TickerF21107101 Stock NameConstellium NV Cl A $ Position$33.1 m % Position11.02 % $ ChangeN / A # Shares2,468,925 # ChangeN / A
Stock Tickerm15342104 Stock NameAudio Codes ADR $ Position$28.9 m % Position9.64 % $ ChangeN / A # Shares1,126,187 # ChangeN / A
Stock TickerG6564A105 Stock NameNomad Foods Ltd. $ Position$22.8 m % Position7.59 % $ ChangeN / A # Shares1,018,679 # ChangeN / A
Stock Ticker01609W102 Stock NameAlibaba ADR $ Position$7.7 m % Position2.55 % $ ChangeN / A # Shares36,075 # ChangeN / A
Stock Ticker28238P109 Stock NameEhealth, Inc. $ Position$7.5 m % Position2.50 % $ ChangeN / A # Shares78,132 # ChangeN / A

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