Fund Holdings — OBERWEIS ASSET MANAGEMENT INC/

Total Portfolio Value
$2.30B
Total Bought
$556.69M
Total Sold
$383.41M
Net Transaction
+$173.28M
Filing Period:
Securities
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SharesValue ($K)
Q1 2025
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Q2 2025
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Change
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Q1 2025
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Q2 2025
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Weight (%)
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Change
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Applied Optoelectronics Inc.(AAOI)1,384,8411,888,041+503,20021,25748,5042.11%+27,246
Lumentum Hldgs, Inc.(LITE)0269,050+269,050025,5761.11%+25,576
Credo Technology Group
ORDINARY SHARES
1,259,915758,568-501,34750,59870,2363.06%+19,638
BrightSpring Health Services(BTSG)0775,800+775,800018,3010.80%+18,301
Qorvo, Inc.(QRVO)0200,300+200,300017,0070.74%+17,007
SiTime Corporation(SITM)073,496+73,496015,6610.68%+15,661
Urban Outfitters, Inc.(URBN)0212,100+212,100015,3860.67%+15,386
Advanced Energy Industry, Inc.0114,700+114,700015,1980.66%+15,198
Badger Meter059,910+59,910014,6750.64%+14,675
Everus Construction Group(ECG)0230,100+230,100014,6180.64%+14,618
Sportradar Group(SRAD)1,144,7001,377,400+232,70024,74838,6771.68%+13,929
National Vision Holdings, Inc.(EYE)0594,900+594,900013,6890.60%+13,689
Frontdoor, Inc.(FTDR)599,460610,860+11,40023,03136,0041.57%+12,973
Irhythm Technologies Inc(IRTC)081,200+81,200012,5020.54%+12,502
American Superconductor668,200668,200012,12124,5161.07%+12,395
Diodes, Inc.(DIOD)0218,700+218,700011,5670.50%+11,567
Remitly Global, Inc.(RELY)0594,500+594,500011,1590.49%+11,159
Nova Ltd.(NVMI)111,000113,100+2,10020,46131,1251.35%+10,664
Magnite, Inc.(MGNI)205,700514,000+308,3002,34712,3980.54%+10,051
Tutor Perini Corp.(TPC)336,200377,800+41,6007,79317,6730.77%+9,880
Halozyme Therapeutics, Inc.(HALO)0182,200+182,20009,4780.41%+9,478
Ambarella, Inc.(AMBA)568,825573,360+4,53528,62937,8791.65%+9,250
Itron Inc(ITRI)272,510284,500+11,99028,54837,4491.63%+8,901
Fabrinet(FN)84,60086,200+1,60016,70925,4011.11%+8,692
Carpenter Technology Corp.(CRS)81,41182,911+1,50014,75022,9151.00%+8,165
Silicon Motion Techn ADR(SIMO)183,100230,600+47,5009,25817,3340.75%+8,077
Q2 Holdings, Inc.(QTWO)242,990292,010+49,02019,44227,3291.19%+7,888
Turning PT Brands, Inc.(TPB)0101,000+101,00007,6530.33%+7,653
Pegasystems Inc.(PEGA)195,400389,800+194,40013,58421,1000.92%+7,516
Adaptive Biotechnologies(ADPT)0589,400+589,40006,8670.30%+6,867
Dave, Inc.(DAVE)024,322+24,32206,5280.28%+6,528
Encompass Health Corporation(EHC)370,720359,025-11,69537,54644,0271.92%+6,481
Camtek, Ltd.(CAMT)199,980213,580+13,60011,72518,0600.79%+6,335
SharkNinja, Inc.(SN)500,160484,560-15,60041,71847,9672.09%+6,248
Skywest Inc(SKYW)319,150331,000+11,85027,88434,0831.48%+6,199
Freshworks, Inc.(FRSH)1,728,5202,050,820+322,30024,38930,5781.33%+6,188
Rambus, Inc(RMBS)507,350505,780-1,57026,26832,3801.41%+6,112
Evolv Technologies Holdings(EVLV)0948,400+948,40005,9180.26%+5,918
Argan, Inc65,79065,791+18,63014,5060.63%+5,876
Mr. Cooper Group Inc.147,100155,800+8,70017,59323,2471.01%+5,654
Clean Harbors, Inc.(CLH)110,320117,300+6,98021,74427,1171.18%+5,373
Rush Street Interactive, Inc.(RSI)991,9001,069,700+77,80010,63315,9390.69%+5,305
Commvault Systems, Inc.(CVLT)107,000125,900+18,90016,88021,9480.95%+5,068
Osi Systems, Inc.(OSIS)100,400109,000+8,60019,51224,5101.07%+4,998
Powell Industries Inc.(POWL)16,80037,200+20,4002,8627,8290.34%+4,967
Oscar Health, Inc.(OSCR)568,330578,430+10,1007,45112,4020.54%+4,951
Insteel Industries Inc.(IIIN)0132,732+132,73204,9390.21%+4,939
FirstCash Holdings, Inc(FCFS)70,10097,800+27,7008,43413,2170.58%+4,782
Five9, Inc.(FIVN)366,600555,900+189,3009,95314,7200.64%+4,767
ANI Pharmaceuticals, Inc.(ANIP)65,600138,900+73,3004,3929,0630.39%+4,671
Blue Bird Corporation358,900373,400+14,50011,61816,1160.70%+4,498
NPK International, Inc.(NPKI)0496,500+496,50004,2250.18%+4,225
Genedx Holdings Corp.(WGS)123,500162,900+39,40010,93815,0370.65%+4,100
AAR Corp.220,000236,500+16,50012,31816,2690.71%+3,951
Box, Inc.(BOX)597,100653,920+56,82018,42722,3440.97%+3,918
Waystar Holding Corp.(WAY)713,040744,980+31,94026,63930,4471.32%+3,808
Faro Technologies, Inc.163,000187,200+24,2004,4508,2220.36%+3,772
Mercury Systems, Inc.(MRCY)412,300398,500-13,80017,76621,4630.93%+3,697
Arcosa, Inc.203,000221,600+18,60015,65519,2150.84%+3,560
Limbach Hldgs, Inc.(LMB)110,80083,700-27,1008,25111,7260.51%+3,475
IBEX Ltd.(IBEX)148,700236,000+87,3003,6216,8680.30%+3,247
Sterling Construction Co., Inc(STRL)27,30027,30003,0916,2990.27%+3,208
SPX Technologies, Inc.75,40076,900+1,5009,71012,8950.56%+3,185
Kiniksa Pharmaceuticals, Ltd.(KNSA)237,200305,200+68,0005,2688,4450.37%+3,177
Matador Resources Company(MTDR)175,300253,900+78,6008,95612,1160.53%+3,160
Parsons Corp.(PSN)291,460284,150-7,31017,25720,3930.89%+3,136
Addus Homecare Corp.59,90078,200+18,3005,9249,0080.39%+3,084
CorMedix, Inc.(CRMD)485,000485,00002,9885,9750.26%+2,988
Qualys, Inc.(QLYS)72,10084,000+11,9009,08012,0010.52%+2,922
CarGurus, Inc.(CARG)500,000518,400+18,40014,56517,3510.75%+2,786
Rev Group, Inc.172,600172,60005,4548,2140.36%+2,760
Dutch Bros., Inc.(BROS)219,000238,000+19,00013,52116,2720.71%+2,751
Blueprint Medicines Corp.75,00072,500-2,5006,6389,2930.40%+2,655
HealthEquity Inc.(HQY)105,900113,820+7,9209,35811,9240.52%+2,565
Solaris Energy Infrastructur(SEI)360,000366,900+6,9007,83410,3800.45%+2,546
Willdan Group Inc.(WLDN)110,100110,10004,4836,8820.30%+2,399
Macom Technology Solutions(MTSI)232,520179,520-53,00023,34025,7231.12%+2,383
Ducommun Inc.(DCO)95,70095,70005,5537,9080.34%+2,354
Sprouts Farmers Markets LLC(SFM)108,500114,600+6,10016,56118,8680.82%+2,306
Flowserve Corporation(FLS)513,184522,172+8,98825,06427,3361.19%+2,272
OneSpan, Inc.(OSPN)546,350635,150+88,8008,33210,6010.46%+2,269
Radware, Ltd.(RDWR)274,700274,70005,9398,0870.35%+2,148
Spotify Technology S.A.(SPOT)5,0006,200+1,2002,7504,7580.21%+2,007
Varonis Sys, Inc.(VRNS)173,300176,600+3,3007,0108,9620.39%+1,952
Kirby Corp.(KEX)56,95067,550+10,6005,7537,6610.33%+1,908
Artivion, Inc(AORT)190,400211,800+21,4004,6806,5870.29%+1,907
Alpha & Omega Semiconductor(AOSL)177,700244,300+66,6004,4186,2690.27%+1,851
Ameris Bancorp(ABCB)144,100156,400+12,3008,29610,1190.44%+1,823
Grand Canyon Education, Inc.(LOPE)88,70090,400+1,70015,34717,0860.74%+1,739
Red Violet, Inc.(RDVT)85,300100,300+15,0003,2064,9350.21%+1,728
OneSpaWorld Holdings Limited
COM
465,400465,40007,8149,4900.41%+1,675
Hawkins, Inc.(HWKN)45,70045,70004,8416,4940.28%+1,653
Malibu Boats, Inc.(MBUU)190,900238,200+47,3005,8577,4650.32%+1,608
Verint Sys Inc.274,100325,000+50,9004,8936,3930.28%+1,500
AvePoint, Inc.296,300296,30004,2795,7220.25%+1,443
Nicolet Bankshares, Inc.55,20060,200+5,0006,0157,4330.32%+1,419
Precision Drilling Corp.(PDS)68,40097,100+28,7003,1894,5870.20%+1,398
Lincoln EDL Svcs(LINC)189,600189,60003,0094,3700.19%+1,361
The Vita Coco Co., Inc.(COCO)230,000230,00007,0508,3030.36%+1,254
Delcath Systems, Inc.(DCTH)362,200419,400+57,2004,6115,7040.25%+1,093
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OBERWEIS ASSET MANAGEMENT INC/ — 13F Holdings — Q2 2025 | TickerTrail