Fund HoldingsOBERWEIS ASSET MANAGEMENT INC/

Total Portfolio Value
$1.38B
Total Bought
$481.06M
Total Sold
$196.00M
Net Transaction
+$285.05M
Filing Period:
Securities
SharesValue ($K)
Q4 2023
Q1 2024
Change
Q4 2023
Q1 2024
Weight (%)
Change
SharkNinja, Inc.(SN)0235,200+235,200014,6511.06%+14,651
Onto Innovation, Inc.(ONTO)44,600106,930+62,3306,81919,3631.40%+12,544
Silicon Motion Techn ADR(SIMO)76,400217,400+141,0004,68116,7271.21%+12,046
Century Communities, Inc.(CCS)0121,200+121,200011,6960.85%+11,696
Itron Inc(ITRI)0125,600+125,600011,6210.84%+11,621
Silicon Laboratories, Inc.(SLAB)078,000+78,000011,2100.81%+11,210
Skywest Inc(SKYW)133,700262,360+128,6606,97918,1241.31%+11,145
Azek Co., Inc.0220,900+220,900011,0940.80%+11,094
Crocs, Inc.(CROX)095,400+95,400013,7190.99%+13,719
Cabot Corp.(CBT)092,100+92,10008,4920.61%+8,492
Nextracker, Inc.0235,700+235,700013,2630.96%+13,263
Installed Building Products, I(IBP)030,400+30,40007,8650.57%+7,865
Vertiv Holdings Co.(VRT)0229,650+229,650018,7561.36%+18,756
LivaNova Plc(LIVN)74,200202,500+128,3003,83911,3280.82%+7,489
ESAB Corporation(ESAB)79,100129,200+50,1006,85214,2861.03%+7,434
Encompass Health Corporation(EHC)145,245204,136+58,8919,69116,8581.22%+7,167
ACI Worldwide Inc.144,262344,562+200,3004,41411,4430.83%+7,028
Credo Technology Group
ORDINARY SHARES
0321,900+321,90006,8210.49%+6,821
Aerovironment, Inc.69,800101,570+31,7708,79815,5691.13%+6,771
Clean Harbors, Inc.(CLH)57,05581,295+24,2409,95716,3651.18%+6,409
Krystal Biotech, Inc.(KRYS)035,700+35,70006,3520.46%+6,352
International Seaways, Inc.(INSW)0198,700+198,700010,5710.76%+10,571
Ultra Clean Holdings(UCTT)247,100319,600+72,5008,43614,6821.06%+6,246
ADMA Biologics, Inc.2,710,7002,790,700+80,00012,25218,4191.33%+6,166
Oshkosh Corp.(OSK)98,899133,827+34,92810,72216,6901.21%+5,968
Parsons Corp.(PSN)133,000172,140+39,1408,34014,2791.03%+5,939
ICF International, Inc.(ICFI)096,900+96,900014,5961.06%+14,596
Informatica Corp.182,100309,000+126,9005,17010,8150.78%+5,645
NeoGenomics, Inc.(NEO)392,700737,200+344,5006,35411,5890.84%+5,235
ACM Research, Inc. Class A(ACMR)393,400441,130+47,7307,68712,8550.93%+5,167
Rush Street Interactive, Inc.(RSI)0776,700+776,70005,0560.37%+5,056
Acadia Healthcare Co., Inc.(ACHC)90,200151,650+61,4507,01412,0140.87%+5,000
Liveramp Hldgs, Inc.(RAMP)139,000295,780+156,7805,26510,2040.74%+4,939
Grocery Outlet Hldg Corp.(GO)0296,000+296,00008,5190.62%+8,519
Zeta Global Holdings Corp.(ZETA)935,4801,181,980+246,5008,25112,9190.93%+4,668
e.l.f. Beauty, Inc.(ELF)28,50043,720+15,2204,1148,5700.62%+4,457
Cellebrite DI Ltd.(CLBT)0397,900+397,90004,4090.32%+4,409
Oscar Health, Inc.(OSCR)0295,000+295,00004,3870.32%+4,387
American Superconductor375,800634,400+258,6004,1868,5710.62%+4,384
Clear Secure, Inc.(YOU)303,500500,500+197,0006,26710,6460.77%+4,378
Integer Holdings Corporation(ITGR)71,00096,700+25,7007,03511,2830.82%+4,248
Exlservice Holdings(EXLS)0133,200+133,20004,2360.31%+4,236
Gentherm, Inc.(THRM)073,500+73,50004,2320.31%+4,232
Sprouts Farmers Markets LLC(SFM)064,700+64,70004,1720.30%+4,172
Duolingo, Inc.(DUOL)018,900+18,90004,1690.30%+4,169
Formfactor Inc.(FORM)0236,700+236,700010,8010.78%+10,801
Evolent Health, Inc.0338,940+338,940011,1140.80%+11,114
Imax Corp.0236,200+236,20003,8190.28%+3,819
MSA Safety Inc(MSA)28,10044,200+16,1004,7448,5570.62%+3,813
Blue Bird Corporation286,700299,100+12,4007,72911,4670.83%+3,738
Merit Medical System Inc(MMSI)107,090156,490+49,4008,13511,8540.86%+3,720
Backblaze, Inc.0357,800+357,80003,6600.26%+3,660
FirstCash Holdings, Inc(FCFS)74,20091,700+17,5008,04311,6950.85%+3,653
Janus International Group, Inc528,400695,400+167,0006,89610,5210.76%+3,626
Woodward, Inc.(WWD)068,400+68,400010,5420.76%+10,542
Arlo Technologies, Inc.(ARLO)0273,400+273,40003,4590.25%+3,459
Aviat Networks, Inc.0199,307+199,30707,6410.55%+7,641
Osi Systems, Inc.(OSIS)35,30055,300+20,0004,5557,8980.57%+3,342
Assurant, Inc.(AIZ)30,70045,000+14,3005,1738,4710.61%+3,298
Federal Signal Corp.(FSS)98,830127,830+29,0007,58410,8490.78%+3,265
Wingstop, Inc.(WING)15,90020,000+4,1004,0807,3280.53%+3,248
Haemonetics Corp.(HAE)105,880143,695+37,8159,05412,2640.89%+3,211
RxSight, Inc.83,100126,640+43,5403,3516,5320.47%+3,181
Constellium NV Cl A(CSTM)01,803,271+1,803,271039,8702.88%+39,870
Sterling Construction Co., Inc(STRL)096,600+96,600010,6560.77%+10,656
Camtek, Ltd.(CAMT)174,480178,180+3,70012,10514,9261.08%+2,821
Aris Water Solutions, Inc.0195,200+195,20002,7620.20%+2,762
Trex Company, Inc.(TREX)40,10060,100+20,0003,3205,9950.43%+2,675
Comfort Systems USA Inc.(FIX)17,70019,800+2,1003,6406,2910.45%+2,650
ATI, Inc.(ATI)0141,900+141,90007,2610.53%+7,261
Matrix Service Co.0198,500+198,50002,5860.19%+2,586
Quaker Chemical Corporation(KWR)27,00040,500+13,5005,7628,3130.60%+2,550
Matador Resources Company(MTDR)082,400+82,40005,5020.40%+5,502
Sweetgreen, Inc.097,851+97,85102,4720.18%+2,472
Maximus, Inc.(MMS)089,700+89,70007,5260.54%+7,526
Flowserve Corporation(FLS)245,271274,378+29,10710,11012,5340.91%+2,423
Monarch Casino & Resort, Inc.(MCRI)086,200+86,20006,4640.47%+6,464
Liberty Energy, Inc.(LBRT)0236,300+236,30004,8960.35%+4,896
Grand Canyon Education, Inc.(LOPE)26,80043,200+16,4003,5395,8840.43%+2,346
AxoGen Inc.(AXGN)0286,400+286,40002,3110.17%+2,311
Couchbase, Inc.087,800+87,80002,3100.17%+2,310
Limbach Hldgs, Inc.(LMB)99,494164,800+65,3064,5246,8260.49%+2,302
Magnolia Oil & Gas Corp.(MGY)0184,600+184,60004,7900.35%+4,790
Primo Water Corp.0323,500+323,50005,8910.43%+5,891
Liquidia Corp.(LQDA)0150,000+150,00002,2130.16%+2,213
Weatherford International PLC(WFRD)240,060222,100-17,96023,48525,6351.85%+2,150
OneSpaWorld Holdings Limited
COM
248,400420,400+172,0003,5025,5620.40%+2,059
EZCorp, Inc.(EZPW)0685,500+685,50007,7670.56%+7,767
Veeco Instruments, Inc.(VECO)0269,100+269,10009,4640.68%+9,464
CECO Environmental Corp.(CECO)426,700463,400+36,7008,65310,6670.77%+2,014
Primoris Services Corp.(PRIM)209,900209,90006,9718,9350.65%+1,965
Carpenter Technology Corp.(CRS)35,70061,800+26,1002,5284,4140.32%+1,886
Rapid7, Inc.094,500+94,50004,6340.34%+4,634
Light & Wonder Inc.(LNWO)30,10042,600+12,5002,4724,3490.31%+1,878
Simpson Manufacturing(SSD)16,80024,800+8,0003,3265,0880.37%+1,762
Evolus, Inc.371,400397,300+25,9003,9115,5620.40%+1,651
Blackbaud(BLKB)30,10057,300+27,2002,6104,2480.31%+1,639
Stride, Inc.(LRN)42,50066,000+23,5002,5234,1610.30%+1,638
HealthEquity Inc.(HQY)38,70051,300+12,6002,5664,1880.30%+1,622
LeMaitre Vascular, Inc.(LMAT)080,001+80,00105,3090.38%+5,309
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