Fund Holdings — OBERWEIS ASSET MANAGEMENT INC/

Total Portfolio Value
$2.61B
Total Bought
$442.23M
Total Sold
$324.78M
Net Transaction
+$117.45M
Filing Period:
Securities
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SharesValue ($K)
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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Lumentum Hldgs, Inc.(LITE)269,050328,630+59,58025,57653,4712.05%+27,895
Credo Technology Group
ORDINARY SHARES
758,568643,948-114,62070,23693,7653.59%+23,529
Levi Strauss & Co.(LEVI)0903,500+903,500021,0520.81%+21,052
Rambus, Inc(RMBS)505,780507,899+2,11932,38052,9232.03%+20,543
Lattice Semiconductor Corporat(LSCC)0275,536+275,536020,2020.77%+20,202
Impinj, Inc.(PI)0107,120+107,120019,3620.74%+19,362
SiTime Corporation(SITM)73,496106,396+32,90015,66132,0581.23%+16,398
Littelfuse, Inc.(LFUS)062,300+62,300016,1360.62%+16,136
American Superconductor668,200665,700-2,50024,51639,5361.51%+15,020
New York Times Co. Cl A(NYT)0252,000+252,000014,4650.55%+14,465
Green Dot Corp. Cl A(GDOT)0970,300+970,300013,0310.50%+13,031
Sensient Technologies Corp.(SXT)0134,200+134,200012,5950.48%+12,595
Ambarella, Inc.(AMBA)573,360611,360+38,00037,87950,4491.93%+12,570
Genius Sports Ltd.
SHARES CL A
01,015,100+1,015,100012,5670.48%+12,567
Zurn Elkay Water Solutions Cor(ZWS)0266,000+266,000012,5100.48%+12,510
CommScope Holding Company, Inc(VISN)0790,912+790,912012,2430.47%+12,243
Primoris Services Corp.(PRIM)192,400192,400014,99626,4221.01%+11,427
LivaNova Plc(LIVN)0186,000+186,00009,7430.37%+9,743
Mercury Systems, Inc.(MRCY)398,500398,500021,46330,8441.18%+9,381
BrightSpring Health Services(BTSG)775,800908,000+132,20018,30126,8401.03%+8,539
Rush Street Interactive, Inc.(RSI)1,069,7001,191,560+121,86015,93924,4030.93%+8,465
Digital Ocean Holdings, Inc.(DOCN)631,920772,000+140,08018,04826,3721.01%+8,324
American Eagle Outfitters0484,000+484,00008,2810.32%+8,281
Genpact Ltd.
SHS
306,100516,800+210,70013,47121,6490.83%+8,177
nLIGHT Inc.(LASR)0266,000+266,00007,8820.30%+7,882
Everus Construction Group(ECG)230,100259,800+29,70014,61822,2780.85%+7,660
Tutor Perini Corp.(TPC)377,800377,800017,67324,7800.95%+7,106
Qorvo, Inc.(QRVO)200,300260,900+60,60017,00723,7630.91%+6,755
Alphatec Hldgs Inc.(ATEC)0461,122+461,12206,7050.26%+6,705
Powell Industries Inc.(POWL)37,20047,500+10,3007,82914,4780.55%+6,650
Coursera, Inc.(COUR)0561,000+561,00006,5690.25%+6,569
Build A Bear(BBW)091,600+91,60005,9730.23%+5,973
Genedx Holdings Corp.(WGS)162,900193,920+31,02015,03720,8930.80%+5,856
Pagaya Technologies Ltd.0190,000+190,00005,6410.22%+5,641
Atricure, Inc.(ATRC)0153,500+153,50005,4110.21%+5,411
Blue Bird Corporation373,400373,400016,11621,4890.82%+5,373
Remitly Global, Inc.(RELY)594,5001,002,800+408,30011,15916,3460.63%+5,187
Expro Group Holdings N.V.0435,500+435,50005,1740.20%+5,174
Veracyte, Inc.(VCYT)726,490721,690-4,80019,63724,7760.95%+5,139
Frontdoor, Inc.(FTDR)610,860610,860036,00441,1051.57%+5,101
Nova Ltd.(NVMI)113,100113,285+18531,12536,2131.39%+5,088
AAR Corp.236,500236,500016,26921,2070.81%+4,938
Dutch Bros., Inc.(BROS)238,000404,500+166,50016,27221,1720.81%+4,899
Grand Canyon Education, Inc.(LOPE)90,40099,800+9,40017,08621,9080.84%+4,822
CECO Environmental Corp.(CECO)092,008+92,00804,7110.18%+4,711
Silicon Motion Techn ADR(SIMO)230,600230,600017,33421,8630.84%+4,529
Camtek, Ltd.(CAMT)213,580213,580018,06022,4370.86%+4,376
Solaris Energy Infrastructur(SEI)366,900366,900010,38014,6650.56%+4,285
Eton Pharmaceuticals, Inc.(ETON)0192,360+192,36004,1800.16%+4,180
Interdigital, Inc.(IDCC)34,10034,10007,64611,7720.45%+4,126
M/I Homes, Inc.(MHO)58,20073,200+15,0006,52510,5730.40%+4,048
Adaptive Biotechnologies(ADPT)589,400726,500+137,1006,86710,8680.42%+4,002
CRA Int'l Inc.(CRAI)19,00034,900+15,9003,5607,2780.28%+3,718
National Vision Holdings, Inc.(EYE)594,900594,900013,68917,3650.66%+3,676
ANI Pharmaceuticals, Inc.(ANIP)138,900138,90009,06312,7230.49%+3,660
EZCorp, Inc.(EZPW)685,500685,50009,51513,0520.50%+3,537
Skyward Specialty Ins Group(SKWD)131,600231,800+100,2007,60511,0240.42%+3,419
Interface, Inc.(TILE)425,300425,30008,90212,3080.47%+3,407
Kiniksa Pharmaceuticals, Ltd.(KNSA)305,200305,20008,44511,8510.45%+3,406
Liquidia Corp.(LQDA)321,200321,20004,0027,3040.28%+3,302
CorMedix, Inc.(CRMD)485,000785,700+300,7005,9759,1380.35%+3,162
Ultra Clean Holdings(UCTT)613,300613,300013,84216,7120.64%+2,870
Imax Corp.579,600579,600016,20618,9820.73%+2,776
Lincoln EDL Svcs(LINC)189,600301,600+112,0004,3707,0880.27%+2,717
IBEX Ltd.(IBEX)236,000236,00006,8689,5630.37%+2,695
Dave, Inc.(DAVE)24,32245,622+21,3006,5289,0950.35%+2,566
Natural Grocers by Vitamin Cot(NGVC)162,304218,806+56,5026,3708,7520.34%+2,382
Artivion, Inc(AORT)211,800211,80006,5878,9680.34%+2,381
Turning PT Brands, Inc.(TPB)101,000101,00007,6539,9850.38%+2,332
Commvault Systems, Inc.(CVLT)125,900128,600+2,70021,94824,2770.93%+2,329
AxoGen Inc.(AXGN)328,100328,10003,5605,8530.22%+2,293
FirstCash Holdings, Inc(FCFS)97,80097,800013,21715,4930.59%+2,277
ACI Worldwide Inc.331,602330,702-90015,22417,4510.67%+2,227
Parsons Corp.(PSN)284,150272,730-11,42020,39322,6150.87%+2,221
Federal Signal Corp.(FSS)166,500166,500017,71919,8120.76%+2,093
Backblaze, Inc.(BLZE)538,700538,70002,9634,9990.19%+2,036
CarGurus, Inc.(CARG)518,400518,400017,35119,3000.74%+1,949
Hawkins, Inc.(HWKN)45,70045,70006,4948,3500.32%+1,856
Argan, Inc65,79160,571-5,22014,50616,3570.63%+1,852
SharkNinja, Inc.(SN)484,560482,810-1,75047,96749,8021.91%+1,835
Assurant, Inc.(AIZ)83,00083,000016,39217,9780.69%+1,586
Arcosa, Inc.221,600221,600019,21520,7660.80%+1,551
Encompass Health Corporation(EHC)359,025358,800-22544,02745,5751.75%+1,548
Shopify, Inc.(SHOP)010,000+10,00001,4860.06%+1,486
SPX Technologies, Inc.76,90076,900012,89514,3630.55%+1,469
Irhythm Technologies Inc(IRTC)81,20081,200012,50213,9660.53%+1,464
The Vita Coco Co., Inc.(COCO)230,000228,300-1,7008,3039,6960.37%+1,393
NPK International, Inc.(NPKI)496,500496,50004,2255,6150.22%+1,390
HealthEquity Inc.(HQY)113,820140,080+26,26011,92413,2750.51%+1,352
Urban Outfitters, Inc.(URBN)212,100234,300+22,20015,38616,7360.64%+1,350
Ameris Bancorp(ABCB)156,400156,400010,11911,4660.44%+1,347
Cellebrite DI Ltd.(CLBT)395,970414,550+18,5806,3367,6820.29%+1,346
Alpha & Omega Semiconductor(AOSL)244,300271,100+26,8006,2697,5800.29%+1,311
Pediatrix Medical Group, Inc.(MD)545,600545,60007,8299,1390.35%+1,309
Ducommun Inc.(DCO)95,70095,70007,9089,2000.35%+1,292
Pegasystems Inc.(PEGA)389,800389,400-40021,10022,3910.86%+1,291
FB Financial Corp.(FBK)123,500123,50005,5956,8840.26%+1,289
Waystar Holding Corp.(WAY)744,980836,550+91,57030,44731,7221.21%+1,275
Evolv Technologies Holdings(EVLV)948,400948,40005,9187,1600.27%+1,242
Varonis Sys, Inc.(VRNS)176,600176,60008,96210,1490.39%+1,187
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OBERWEIS ASSET MANAGEMENT INC/ — 13F Holdings — Q3 2025 | TickerTrail