Fund HoldingsOBERWEIS ASSET MANAGEMENT INC/

Total Portfolio Value
$2.73B
Total Bought
$534.03M
Total Sold
$422.04M
Net Transaction
+$111.99M
Filing Period:
Securities
SharesValue ($K)
Q3 2025
Q4 2025
Change
Q3 2025
Q4 2025
Weight (%)
Change
Lumentum Hldgs, Inc.(LITE)328,630280,930-47,70053,471103,5483.79%+50,077
Globus Medical, Inc.-A(GMED)0270,000+270,000023,5740.86%+23,574
Arcutis Biotherapeutics, Inc.(ARQT)0808,400+808,400023,4760.86%+23,476
Applied Optoelectronics Inc.(AAOI)02,039,641+2,039,641071,1022.60%+71,102
Dana Inc.(DAN)0796,500+796,500018,9250.69%+18,925
Core Natural Resources, Inc.(CNR)0178,400+178,400015,7900.58%+15,790
Indivior Plc0424,941+424,941015,2470.56%+15,247
Super Group SGHC Ltd.
ORD SHS
01,268,500+1,268,500015,1590.55%+15,159
Alighnment Healthcare, Inc.(ALHC)0747,500+747,500014,7630.54%+14,763
Alphatec Hldgs Inc.(ATEC)461,1221,000,400+539,2786,70521,0480.77%+14,344
Mirion Technologies, Inc.(MIR)0607,800+607,800014,2350.52%+14,235
American Eagle Outfitters484,000814,500+330,5008,28121,4780.79%+13,197
Calix, Inc.(CALX)0244,600+244,600012,9470.47%+12,947
Digital Ocean Holdings, Inc.(DOCN)772,000778,830+6,83026,37237,4771.37%+11,106
Workiva, Inc.(WK)0127,500+127,500010,9970.40%+10,997
EPlus, Inc.(PLUS)0110,898+110,89809,7260.36%+9,726
SharkNinja, Inc.(SN)482,810526,310+43,50049,80258,8942.15%+9,092
Viavi Solutions, Inc.(VIAV)0508,100+508,10009,0540.33%+9,054
ProPetro Holding Corp.(PUMP)0947,900+947,90009,0150.33%+9,015
Macom Technology Solutions(MTSI)0178,960+178,960030,6521.12%+30,652
Benchmark Electronics Inc(BHE)0198,300+198,30008,4790.31%+8,479
Phibro Animal Health Corp(PAHC)0209,800+209,80007,8380.29%+7,838
Irhythm Holdings, Inc.(IRTC)81,200119,700+38,50013,96621,2400.78%+7,274
BrightSpring Health Services(BTSG)908,000908,000026,84034,0051.24%+7,164
Fastly, Inc.(FSLY)0689,800+689,80007,0220.26%+7,022
Flowserve Corporation(FLS)0409,941+409,941028,4421.04%+28,442
New York Times Co. Cl A(NYT)252,000302,700+50,70014,46521,0130.77%+6,549
ICU Medical, Inc.(ICUI)0168,040+168,040023,9740.88%+23,974
Veracyte, Inc.(VCYT)721,690726,740+5,05024,77630,5961.12%+5,820
Tactile Sys Technology, Inc.0199,100+199,10005,7740.21%+5,774
Carpenter Technology Corp.(CRS)082,611+82,611026,0090.95%+26,009
SiTime Corporation(SITM)106,396106,396032,05837,5781.37%+5,520
nLIGHT Inc.(LASR)266,000356,400+90,4007,88213,3690.49%+5,487
FirstCash Holdings, Inc(FCFS)97,800131,300+33,50015,49320,9270.77%+5,433
Vistance Networks, Inc.(VISN)790,912960,912+170,00012,24317,4210.64%+5,178
AxoGen Inc.(AXGN)328,100336,200+8,1005,85311,0040.40%+5,151
Imax Corp.579,600652,300+72,70018,98224,1090.88%+5,127
Skywest Inc(SKYW)0382,220+382,220038,3791.40%+38,379
Sensient Technologies Corp.(SXT)134,200188,000+53,80012,59517,6630.65%+5,068
Genedx Holdings Corp.(WGS)193,920198,770+4,85020,89325,8520.95%+4,959
Genius Sports Ltd.
SHARES CL A
1,015,1001,585,900+570,80012,56717,4770.64%+4,910
Urban Outfitters, Inc.(URBN)234,300286,400+52,10016,73621,5540.79%+4,818
Merit Medical System Inc(MMSI)0268,760+268,760023,6890.87%+23,689
Life Time Holdings, Inc.(LTH)01,059,300+1,059,300028,1561.03%+28,156
Liquidia Corp.(LQDA)321,200329,200+8,0007,30411,3540.42%+4,050
CECO Environmental Corp.(CECO)92,008145,508+53,5004,7118,7090.32%+3,998
Dave, Inc.(DAVE)45,62258,922+13,3009,09513,0460.48%+3,951
Dutch Bros., Inc.(BROS)404,500404,500021,17224,7630.91%+3,592
Credo Technology Group
ORDINARY SHARES
643,948675,388+31,44093,76597,1823.55%+3,416
LivaNova Plc(LIVN)186,000212,300+26,3009,74313,0630.48%+3,320
Catalyst Pharmaceuticals, Inc.(CPRX)0586,970+586,970013,7000.50%+13,700
Atricure, Inc.(ATRC)153,500217,992+64,4925,4118,6240.32%+3,213
Qualys, Inc.(QLYS)0107,800+107,800014,3270.52%+14,327
Q2 Holdings, Inc.(QTWO)0336,860+336,860024,3080.89%+24,308
Eton Pharmaceuticals, Inc.(ETON)192,360431,300+238,9404,1807,2930.27%+3,113
Rush Street Interactive, Inc.(RSI)1,191,5601,411,710+220,15024,40327,4301.00%+3,026
Pegasystems Inc.(PEGA)389,400424,840+35,44022,39125,3710.93%+2,981
Lattice Semiconductor Corporat(LSCC)275,536314,636+39,10020,20223,1510.85%+2,949
National Vision Holdings, Inc.(EYE)594,900784,500+189,60017,36520,2560.74%+2,891
Pediatrix Medical Group, Inc.(MD)545,600559,987+14,3879,13911,9780.44%+2,839
Arcosa, Inc.221,600221,600020,76623,5610.86%+2,794
Genpact Ltd.
SHS
516,800521,602+4,80221,64924,4010.89%+2,752
The Vita Coco Co., Inc.(COCO)228,300233,400+5,1009,69612,3730.45%+2,677
Boot Barn Hldgs, Inc.053,800+53,80009,4940.35%+9,494
Build A Bear91,600134,100+42,5005,9738,2160.30%+2,243
Solaris Energy Infrastructur(SEI)366,900366,900014,66516,8660.62%+2,201
ANI Pharmaceuticals, Inc.(ANIP)138,900188,830+49,93012,72314,9060.55%+2,183
Assurant, Inc.(AIZ)83,00083,000017,97819,9910.73%+2,013
FB Financial Corp.(FBK)123,500159,200+35,7006,8848,8830.32%+1,999
Precision Drilling Corp.(PDS)099,500+99,50007,1520.26%+7,152
SPDR S&P 500 ETF Trust(SPY)02,055+2,05501,4010.05%+1,401
AAR Corp.236,500272,700+36,20021,20722,5770.83%+1,370
Micron Technology(MU)04,500+4,50001,2840.05%+1,284
Turning PT Brands, Inc.(TPB)101,000103,500+2,5009,98511,2190.41%+1,235
Huron Consulting Group, Inc.(HURN)041,500+41,50007,1760.26%+7,176
Adaptive Biotechnologies(ADPT)726,500744,500+18,00010,86812,0910.44%+1,222
Tutor Perini Corp.(TPC)377,800387,200+9,40024,78025,9500.95%+1,170
H World Group Ltd.(HTHT)024,000+24,00001,1290.04%+1,129
Skyward Specialty Ins Group(SKWD)231,800237,500+5,70011,02412,1390.44%+1,114
Kiniksa Pharmaceuticals, Ltd.(KNSA)305,200312,800+7,60011,85112,9030.47%+1,052
Powell Industries Inc.(POWL)47,50048,700+1,20014,47815,5250.57%+1,046
SPX Technologies, Inc.76,90076,900014,36315,3850.56%+1,021
Weave Communications, Inc.0999,080+999,08007,5830.28%+7,583
Nova Ltd.(NVMI)113,285113,285036,21337,2021.36%+989
Climb Global Solutions, Inc.051,960+51,96005,3410.20%+5,341
Artivion, Inc(AORT)211,800217,060+5,2608,9689,9000.36%+932
Freshworks, Inc.(FRSH)02,054,470+2,054,470025,1670.92%+25,167
Camtek, Ltd.(CAMT)213,580218,880+5,30022,43723,2770.85%+840
Expro Group Holdings N.V.435,500446,300+10,8005,1745,9580.22%+784
Rev Group, Inc.0137,800+137,80008,3800.31%+8,380
Pagaya Technologies Ltd.190,000305,600+115,6005,6416,3870.23%+746
Shopify, Inc.(SHOP)10,00013,100+3,1001,4862,1090.08%+623
Red Violet, Inc.(RDVT)0102,800+102,80005,8540.21%+5,854
Lindblad Expeditions Holdings,(LIND)0306,800+306,80004,4240.16%+4,424
Osi Systems, Inc.(OSIS)0101,400+101,400025,8630.95%+25,863
CarGurus, Inc.(CARG)518,400518,400019,30019,8810.73%+581
Bioventus, Inc.0616,614+616,61404,5880.17%+4,588
Evolv Technologies Holdings(EVLV)948,4001,077,900+129,5007,1607,7180.28%+557
Zeta Global Holdings Corp.(ZETA)0767,020+767,020015,6090.57%+15,609
NPK International, Inc.(NPKI)496,500508,750+12,2505,6156,0640.22%+449
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