Fund Holdings — OBERWEIS ASSET MANAGEMENT INC/

Total Portfolio Value:
$2.61B
Total Bought:
$442.23M
Total Sold:
$324.78M
Net Transaction:
+$117.45M
Notable People:
James Walter Oberweis
Securities
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SharesValue
Q2 2025
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Q3 2025
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Change
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Q2 2025
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Q3 2025
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Weight (%)
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Change
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Credo Technology Group
ORDINARY SHARES
758,568643,948-114,620$70.24M$93.77M3.59%+$23.53M
Lumentum Holdings Inc.(LITE)269,050328,630+59,580$25.58M$53.47M2.05%+$27.90M
Rambus Inc.(RMBS)505,780507,899+2,119$32.38M$52.92M2.03%+$20.54M
Ambarella, Inc.(AMBA)573,360611,360+38,000$37.88M$50.45M1.93%+$12.57M
SharkNinja, Inc.(SN)484,560482,810-1,750$47.97M$49.80M1.91%+$1.84M
Applied Optoelectronics, Inc.(AAOI)1,888,0411,888,0410$48.50M$48.96M1.87%+$453.1K
Encompass Health Corporation(EHC)359,025358,800-225$44.03M$45.57M1.75%+$1.55M
Frontdoor, Inc.(FTDR)610,860610,8600$36.00M$41.10M1.57%+$5.10M
ADMA Biologics, Inc.3,135,8902,712,040-423,850$57.10M$39.76M1.52%-$17.35M
American Superconductor668,200665,700-2,500$24.52M$39.54M1.51%+$15.02M
Sportradar Group AG(SRAD)1,377,4001,379,100+1,700$38.68M$37.10M1.42%-$1.58M
Nova Ltd.(NVMI)113,100113,285+185$31.13M$36.21M1.39%+$5.09M
Itron, Inc.(ITRI)284,500284,150-350$37.45M$35.39M1.36%-$2.06M
SkyWest, Inc.(SKYW)331,000330,790-210$34.08M$33.28M1.27%-$799.0K
SiTime Corporation(SITM)73,496106,396+32,900$15.66M$32.06M1.23%+$16.40M
Waystar Holding Corp.(WAY)744,980836,550+91,570$30.45M$31.72M1.21%+$1.27M
Mercury Systems, Inc.(MRCY)398,500398,5000$21.46M$30.84M1.18%+$9.38M
Clean Harbors, Inc.(CLH)117,300116,770-530$27.12M$27.12M1.04%-$1.1K
Stride, Inc.(LRN)181,800181,8000$26.40M$27.08M1.04%+$681.8K
BrightSpring Health Services, Inc.(BTSG)775,800908,000+132,200$18.30M$26.84M1.03%+$8.54M
Primoris Services Corporation(PRIM)192,400192,4000$15.00M$26.42M1.01%+$11.43M
DigitalOcean Holdings, Inc.(DOCN)631,920772,000+140,080$18.05M$26.37M1.01%+$8.32M
OSI Systems, Inc.(OSIS)109,000101,400-7,600$24.51M$25.27M0.97%+$763.2K
Tutor Perini Corporation(TPC)377,800377,8000$17.67M$24.78M0.95%+$7.11M
Veracyte, Inc.(VCYT)726,490721,690-4,800$19.64M$24.78M0.95%+$5.14M
Rush Street Interactive, Inc.(RSI)1,069,7001,191,560+121,860$15.94M$24.40M0.93%+$8.46M
Commvault Systems, Inc.(CVLT)125,900128,600+2,700$21.95M$24.28M0.93%+$2.33M
Freshworks Inc.(FRSH)2,050,8202,059,470+8,650$30.58M$24.24M0.93%-$6.34M
Life Time Group Holdings, Inc.(LTH)812,300866,400+54,100$24.64M$23.91M0.92%-$724.4K
Qorvo, Inc.200,300260,900+60,600$17.01M$23.76M0.91%+$6.76M
Parsons Corporation(PSN)284,150272,730-11,420$20.39M$22.61M0.87%+$2.22M
Camtek Ltd.(CAMT)213,580213,5800$18.06M$22.44M0.86%+$4.38M
Pegasystems Inc.(PEGA)389,800389,400-400$21.10M$22.39M0.86%+$1.29M
Everus Construction Group, Inc.(ECG)230,100259,800+29,700$14.62M$22.28M0.85%+$7.66M
MACOM Technology Solutions Holdings, Inc.(MTSI)179,520177,790-1,730$25.72M$22.13M0.85%-$3.59M
Grand Canyon Education, Inc.(LOPE)90,40099,800+9,400$17.09M$21.91M0.84%+$4.82M
Silicon Motion Technology Corporation(SIMO)230,600230,6000$17.33M$21.86M0.84%+$4.53M
Flowserve Corporation(FLS)522,172409,285-112,887$27.34M$21.75M0.83%-$5.59M
Genpact Ltd.
SHS
306,100516,800+210,700$13.47M$21.65M0.83%+$8.18M
Blue Bird Corporation373,400373,4000$16.12M$21.49M0.82%+$5.37M
AAR Corp.236,500236,5000$16.27M$21.21M0.81%+$4.94M
Dutch Bros Inc.(BROS)238,000404,500+166,500$16.27M$21.17M0.81%+$4.90M
Q2 Holdings, Inc.(QTWO)292,010292,260+250$27.33M$21.16M0.81%-$6.17M
Levi Strauss & Co.(LEVI)0903,500+903,500$0$21.05M0.81%+$21.05M
Box, Inc.(BOX)653,920652,320-1,600$22.34M$21.05M0.81%-$1.29M
GeneDx Holdings Corp.(WGS)162,900193,920+31,020$15.04M$20.89M0.80%+$5.86M
Arcosa, Inc.221,600221,6000$19.21M$20.77M0.80%+$1.55M
Carpenter Technology Corporation(CRS)82,91182,611-300$22.91M$20.28M0.78%-$2.63M
Lattice Semiconductor Corporation(LSCC)0275,536+275,536$0$20.20M0.77%+$20.20M
Federal Signal Corporation(FSS)166,500166,5000$17.72M$19.81M0.76%+$2.09M
Impinj, Inc.(PI)0107,120+107,120$0$19.36M0.74%+$19.36M
Merit Medical Systems, Inc.(MMSI)212,810232,010+19,200$19.89M$19.31M0.74%-$583.3K
CarGurus, Inc.(CARG)518,400518,4000$17.35M$19.30M0.74%+$1.95M
Imax Corp.579,600579,6000$16.21M$18.98M0.73%+$2.78M
Assurant, Inc.(AIZ)83,00083,0000$16.39M$17.98M0.69%+$1.59M
ICU Medical, Inc.(ICUI)150,890149,130-1,760$19.94M$17.89M0.68%-$2.05M
ACI Worldwide Inc.331,602330,702-900$15.22M$17.45M0.67%+$2.23M
National Vision Holdings, Inc.(EYE)594,900594,9000$13.69M$17.37M0.66%+$3.68M
Fabrinet(FN)86,20045,900-40,300$25.40M$16.74M0.64%-$8.67M
Urban Outfitters, Inc.(URBN)212,100234,300+22,200$15.39M$16.74M0.64%+$1.35M
Ultra Clean Holdings, Inc.(UCTT)613,300613,3000$13.84M$16.71M0.64%+$2.87M
Argan, Inc65,79160,571-5,220$14.51M$16.36M0.63%+$1.85M
Remitly Global, Inc.(RELY)594,5001,002,800+408,300$11.16M$16.35M0.63%+$5.19M
Littelfuse, Inc.(LFUS)062,300+62,300$0$16.14M0.62%+$16.14M
Sprouts Farmers Market, Inc.(SFM)114,600145,500+30,900$18.87M$15.83M0.61%-$3.04M
FirstCash Holdings, Inc.(FCFS)97,80097,8000$13.22M$15.49M0.59%+$2.28M
Zeta Global Holdings Corp.(ZETA)1,136,400761,200-375,200$17.60M$15.13M0.58%-$2.48M
Solaris Energy Infrastructure, Inc.(SEI)366,900366,9000$10.38M$14.66M0.56%+$4.29M
Powell Industries, Inc.(POWL)37,20047,500+10,300$7.83M$14.48M0.55%+$6.65M
The New York Times Company(NYT)0252,000+252,000$0$14.46M0.55%+$14.46M
SPX Technologies, Inc.76,90076,9000$12.89M$14.36M0.55%+$1.47M
iRhythm Holdings, Inc.(IRTC)81,20081,2000$12.50M$13.97M0.53%+$1.46M
HealthEquity, Inc.(HQY)113,820140,080+26,260$11.92M$13.28M0.51%+$1.35M
EZCORP, Inc.(EZPW)685,500685,5000$9.51M$13.05M0.50%+$3.54M
Green Dot Corporation(GDOT)0970,300+970,300$0$13.03M0.50%+$13.03M
Badger Meter59,91072,610+12,700$14.67M$12.97M0.50%-$1.71M
ANI Pharmaceuticals, Inc.(ANIP)138,900138,9000$9.06M$12.72M0.49%+$3.66M
Sensient Technologies Corporation(SXT)0134,200+134,200$0$12.59M0.48%+$12.59M
Genius Sports Ltd.
SHARES CL A
01,015,100+1,015,100$0$12.57M0.48%+$12.57M
Zurn Elkay Water Solutions Corporation(ZWS)0266,000+266,000$0$12.51M0.48%+$12.51M
Interface, Inc.(TILE)425,300425,3000$8.90M$12.31M0.47%+$3.41M
Vistance Networks, Inc.(VISN)0790,912+790,912$0$12.24M0.47%+$12.24M
Advanced Energy Industry, Inc.114,70069,700-45,000$15.20M$11.86M0.45%-$3.34M
Kiniksa Pharmaceuticals International, plc(KNSA)305,200305,2000$8.44M$11.85M0.45%+$3.41M
InterDigital, Inc.(IDCC)34,10034,1000$7.65M$11.77M0.45%+$4.13M
Diodes Incorporated(DIOD)218,700218,7000$11.57M$11.64M0.45%+$70.0K
Ameris Bancorp(ABCB)156,400156,4000$10.12M$11.47M0.44%+$1.35M
Matador Resources Company(MTDR)253,900253,9000$12.12M$11.41M0.44%-$708.4K
Magnite, Inc.(MGNI)514,000514,0000$12.40M$11.19M0.43%-$1.20M
Qualys, Inc.(QLYS)84,00084,0000$12.00M$11.12M0.43%-$885.4K
Skyward Specialty Insurance Group, Inc.(SKWD)131,600231,800+100,200$7.61M$11.02M0.42%+$3.42M
Adaptive Biotechnologies Corporation(ADPT)589,400726,500+137,100$6.87M$10.87M0.42%+$4.00M
M/I Homes, Inc.(MHO)58,20073,200+15,000$6.53M$10.57M0.40%+$4.05M
Commerce Bancshares, Inc.(CBSH)176,890176,8900$11.00M$10.57M0.40%-$426.3K
Catalyst Pharmaceuticals, Inc.468,200528,560+60,360$10.16M$10.41M0.40%+$252.7K
OneSpan Inc.(OSPN)635,150640,450+5,300$10.60M$10.18M0.39%-$423.9K
Varonis Systems, Inc.(VRNS)176,600176,6000$8.96M$10.15M0.39%+$1.19M
Turning Point Brands, Inc.(TPB)101,000101,0000$7.65M$9.98M0.38%+$2.33M
LeMaitre Vascular, Inc.(LMAT)114,666113,767-899$9.52M$9.96M0.38%+$432.7K
OneSpaWorld Holdings Limited
COM
465,400465,4000$9.49M$9.84M0.38%+$349.1K
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OBERWEIS ASSET MANAGEMENT INC/ — 13F Holdings — Q3 2025 | TickerTrail