Fund Holdings — OBERWEIS ASSET MANAGEMENT INC/

Total Portfolio Value:
$2.30B
Total Bought:
$556.69M
Total Sold:
$383.41M
Net Transaction:
+$173.28M
Notable People:
James Walter Oberweis
Securities
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SharesValue
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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Credo Technology Group
ORDINARY SHARES
1,259,915758,568-501,347$50.60M$70.24M3.06%+$19.64M
ADMA Biologics, Inc.3,426,2603,135,890-290,370$67.98M$57.10M2.48%-$10.87M
Applied Optoelectronics, Inc.(AAOI)1,384,8411,888,041+503,200$21.26M$48.50M2.11%+$27.25M
SharkNinja, Inc.(SN)500,160484,560-15,600$41.72M$47.97M2.09%+$6.25M
Encompass Health Corporation(EHC)370,720359,025-11,695$37.55M$44.03M1.92%+$6.48M
Sportradar Group AG(SRAD)1,144,7001,377,400+232,700$24.75M$38.68M1.68%+$13.93M
Ambarella, Inc.(AMBA)568,825573,360+4,535$28.63M$37.88M1.65%+$9.25M
Itron, Inc.(ITRI)272,510284,500+11,990$28.55M$37.45M1.63%+$8.90M
Frontdoor, Inc.(FTDR)599,460610,860+11,400$23.03M$36.00M1.57%+$12.97M
SkyWest, Inc.(SKYW)319,150331,000+11,850$27.88M$34.08M1.48%+$6.20M
Rambus Inc.(RMBS)507,350505,780-1,570$26.27M$32.38M1.41%+$6.11M
Nova Ltd.(NVMI)111,000113,100+2,100$20.46M$31.13M1.35%+$10.66M
Freshworks Inc.(FRSH)1,728,5202,050,820+322,300$24.39M$30.58M1.33%+$6.19M
Waystar Holding Corp.(WAY)713,040744,980+31,940$26.64M$30.45M1.32%+$3.81M
Flowserve Corporation(FLS)513,184522,172+8,988$25.06M$27.34M1.19%+$2.27M
Q2 Holdings, Inc.(QTWO)242,990292,010+49,020$19.44M$27.33M1.19%+$7.89M
Clean Harbors, Inc.(CLH)110,320117,300+6,980$21.74M$27.12M1.18%+$5.37M
Stride, Inc.(LRN)207,300181,800-25,500$26.22M$26.40M1.15%+$172.1K
MACOM Technology Solutions Holdings, Inc.(MTSI)232,520179,520-53,000$23.34M$25.72M1.12%+$2.38M
Lumentum Holdings Inc.(LITE)0269,050+269,050$0$25.58M1.11%+$25.58M
Fabrinet(FN)84,60086,200+1,600$16.71M$25.40M1.11%+$8.69M
Life Time Group Holdings, Inc.(LTH)797,000812,300+15,300$24.07M$24.64M1.07%+$567.7K
American Superconductor668,200668,2000$12.12M$24.52M1.07%+$12.40M
OSI Systems, Inc.(OSIS)100,400109,000+8,600$19.51M$24.51M1.07%+$5.00M
Mr. Cooper Group Inc.147,100155,800+8,700$17.59M$23.25M1.01%+$5.65M
Carpenter Technology Corporation(CRS)81,41182,911+1,500$14.75M$22.91M1.00%+$8.16M
Box, Inc.(BOX)597,100653,920+56,820$18.43M$22.34M0.97%+$3.92M
Commvault Systems, Inc.(CVLT)107,000125,900+18,900$16.88M$21.95M0.95%+$5.07M
Mercury Systems, Inc.(MRCY)412,300398,500-13,800$17.77M$21.46M0.93%+$3.70M
Pegasystems Inc.(PEGA)195,400389,800+194,400$13.58M$21.10M0.92%+$7.52M
Parsons Corporation(PSN)291,460284,150-7,310$17.26M$20.39M0.89%+$3.14M
ICU Medical, Inc.(ICUI)155,690150,890-4,800$21.62M$19.94M0.87%-$1.68M
Merit Medical Systems, Inc.(MMSI)208,560212,810+4,250$22.05M$19.89M0.87%-$2.15M
Veracyte, Inc.(VCYT)769,350726,490-42,860$22.81M$19.64M0.85%-$3.17M
Arcosa, Inc.203,000221,600+18,600$15.66M$19.21M0.84%+$3.56M
Sprouts Farmers Market, Inc.(SFM)108,500114,600+6,100$16.56M$18.87M0.82%+$2.31M
BrightSpring Health Services, Inc.(BTSG)0775,800+775,800$0$18.30M0.80%+$18.30M
Primo Brands Corporation(PRMB)632,400611,300-21,100$22.44M$18.11M0.79%-$4.34M
Camtek Ltd.(CAMT)199,980213,580+13,600$11.72M$18.06M0.79%+$6.34M
DigitalOcean Holdings, Inc.(DOCN)586,500631,920+45,420$19.58M$18.05M0.79%-$1.54M
Federal Signal Corporation(FSS)229,830166,500-63,330$16.90M$17.72M0.77%+$814.9K
Tutor Perini Corporation(TPC)336,200377,800+41,600$7.79M$17.67M0.77%+$9.88M
Zeta Global Holdings Corp.(ZETA)1,843,2401,136,400-706,840$24.99M$17.60M0.77%-$7.39M
CarGurus, Inc.(CARG)500,000518,400+18,400$14.56M$17.35M0.75%+$2.79M
Silicon Motion Technology Corporation(SIMO)183,100230,600+47,500$9.26M$17.33M0.75%+$8.08M
The Gap, Inc.(GAP)817,600790,300-27,300$16.85M$17.24M0.75%+$385.7K
Grand Canyon Education, Inc.(LOPE)88,70090,400+1,700$15.35M$17.09M0.74%+$1.74M
Qorvo, Inc.0200,300+200,300$0$17.01M0.74%+$17.01M
Assurant, Inc.(AIZ)81,00083,000+2,000$16.99M$16.39M0.71%-$598.1K
Dutch Bros Inc.(BROS)219,000238,000+19,000$13.52M$16.27M0.71%+$2.75M
AAR Corp.220,000236,500+16,500$12.32M$16.27M0.71%+$3.95M
Imax Corp.579,600579,6000$15.27M$16.21M0.71%+$933.2K
Blue Bird Corporation358,900373,400+14,500$11.62M$16.12M0.70%+$4.50M
Rush Street Interactive, Inc.(RSI)991,9001,069,700+77,800$10.63M$15.94M0.69%+$5.31M
SiTime Corporation(SITM)073,496+73,496$0$15.66M0.68%+$15.66M
Urban Outfitters, Inc.(URBN)0212,100+212,100$0$15.39M0.67%+$15.39M
BellRing Brands, Inc.(BRBR)273,300264,200-9,100$20.35M$15.31M0.67%-$5.04M
ACI Worldwide Inc.386,202331,602-54,600$21.13M$15.22M0.66%-$5.91M
Advanced Energy Industry, Inc.0114,700+114,700$0$15.20M0.66%+$15.20M
GeneDx Holdings Corp.(WGS)123,500162,900+39,400$10.94M$15.04M0.65%+$4.10M
Primoris Services Corporation(PRIM)242,900192,400-50,500$13.94M$15.00M0.65%+$1.05M
Five9, Inc.(FIVN)366,600555,900+189,300$9.95M$14.72M0.64%+$4.77M
Badger Meter059,910+59,910$0$14.67M0.64%+$14.67M
Everus Construction Group, Inc.(ECG)0230,100+230,100$0$14.62M0.64%+$14.62M
Argan, Inc65,79065,791+1$8.63M$14.51M0.63%+$5.88M
Ultra Clean Holdings, Inc.(UCTT)613,300613,3000$13.13M$13.84M0.60%+$711.4K
National Vision Holdings, Inc.(EYE)0594,900+594,900$0$13.69M0.60%+$13.69M
Genpact Ltd.
SHS
523,600306,100-217,500$26.38M$13.47M0.59%-$12.91M
FirstCash Holdings, Inc.(FCFS)70,10097,800+27,700$8.43M$13.22M0.58%+$4.78M
SPX Technologies, Inc.75,40076,900+1,500$9.71M$12.89M0.56%+$3.18M
iRhythm Holdings, Inc.(IRTC)081,200+81,200$0$12.50M0.54%+$12.50M
Oscar Health, Inc.(OSCR)568,330578,430+10,100$7.45M$12.40M0.54%+$4.95M
Magnite, Inc.(MGNI)205,700514,000+308,300$2.35M$12.40M0.54%+$10.05M
Matador Resources Company(MTDR)175,300253,900+78,600$8.96M$12.12M0.53%+$3.16M
Qualys, Inc.(QLYS)72,10084,000+11,900$9.08M$12.00M0.52%+$2.92M
HealthEquity, Inc.(HQY)105,900113,820+7,920$9.36M$11.92M0.52%+$2.57M
Limbach Holdings, Inc.(LMB)110,80083,700-27,100$8.25M$11.73M0.51%+$3.48M
Diodes Incorporated(DIOD)0218,700+218,700$0$11.57M0.50%+$11.57M
Remitly Global, Inc.(RELY)0594,500+594,500$0$11.16M0.49%+$11.16M
Commerce Bancshares, Inc.(CBSH)167,790176,890+9,100$10.44M$11.00M0.48%+$555.7K
OneSpan Inc.(OSPN)546,350635,150+88,800$8.33M$10.60M0.46%+$2.27M
Solaris Energy Infrastructure, Inc.(SEI)360,000366,900+6,900$7.83M$10.38M0.45%+$2.55M
Catalyst Pharmaceuticals, Inc.467,600468,200+600$11.34M$10.16M0.44%-$1.18M
Ameris Bancorp(ABCB)144,100156,400+12,300$8.30M$10.12M0.44%+$1.82M
Bright Horizons Family Solutions Inc.(BFAM)129,90479,604-50,300$16.50M$9.84M0.43%-$6.66M
LeMaitre Vascular, Inc.(LMAT)102,065114,666+12,601$8.56M$9.52M0.41%+$959.8K
EZCORP, Inc.(EZPW)685,500685,5000$10.09M$9.51M0.41%-$575.8K
OneSpaWorld Holdings Limited
COM
465,400465,4000$7.81M$9.49M0.41%+$1.68M
Halozyme Therapeutics, Inc.(HALO)0182,200+182,200$0$9.48M0.41%+$9.48M
Blueprint Medicines Corp.75,00072,500-2,500$6.64M$9.29M0.40%+$2.65M
NOV Inc.(NOV)716,400730,200+13,800$10.90M$9.08M0.39%-$1.83M
ANI Pharmaceuticals, Inc.(ANIP)65,600138,900+73,300$4.39M$9.06M0.39%+$4.67M
Addus Homecare Corp.59,90078,200+18,300$5.92M$9.01M0.39%+$3.08M
Varonis Systems, Inc.(VRNS)173,300176,600+3,300$7.01M$8.96M0.39%+$1.95M
Interface, Inc.(TILE)425,300425,3000$8.44M$8.90M0.39%+$463.6K
ExlService Holdings, Inc.(EXLS)190,800194,400+3,600$9.01M$8.51M0.37%-$494.9K
Magnolia Oil & Gas Corporation(MGY)369,200376,300+7,100$9.33M$8.46M0.37%-$866.8K
Kiniksa Pharmaceuticals International, plc(KNSA)237,200305,200+68,000$5.27M$8.44M0.37%+$3.18M
The Vita Coco Company, Inc.(COCO)230,000230,0000$7.05M$8.30M0.36%+$1.25M
Faro Technologies, Inc.163,000187,200+24,200$4.45M$8.22M0.36%+$3.77M
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