OBERWEIS ASSET MANAGEMENT INC/ - Q2 2023 holdings

$823 Million is the total value of OBERWEIS ASSET MANAGEMENT INC/'s 187 reported holdings in Q2 2023. The portfolio turnover from Q1 2023 to Q2 2023 was 33.1% .

 Value Shares↓ Weighting
CSTM SellConstellium NV Cl A$48,147,461
-30.8%
2,799,271
-38.5%
5.85%
-45.8%
ACLS SellAxcelis Technologies$44,072,349
+21.6%
240,399
-11.6%
5.36%
-4.7%
AEHR BuyAehr Test Systems$36,015,705
+66.1%
873,108
+24.9%
4.38%
+30.1%
ATEC BuyAlphatec Hldgs Inc.$17,628,851
+66.5%
980,470
+44.5%
2.14%
+30.5%
PI BuyImpinj, Inc.$16,060,349
-19.0%
179,145
+22.5%
1.95%
-36.5%
LNTH SellLantheus Hldgs Inc.$13,945,826
-5.4%
166,180
-6.9%
1.70%
-25.9%
BuyPerion Network, Ltd.$13,073,088
-14.7%
426,250
+10.1%
1.59%
-33.2%
VCYT BuyVeracyte, Inc.$12,284,436
+159.6%
482,310
+127.3%
1.49%
+103.4%
DECK SellDeckers Outdoor Corp.$12,199,499
-4.0%
23,120
-18.2%
1.48%
-24.8%
CROX BuyCrocs, Inc.$11,862,420
-10.9%
105,500
+0.1%
1.44%
-30.2%
TMDX BuyTransMedics Group, Inc.$10,665,460
+30.0%
127,000
+17.3%
1.30%
+1.9%
ICFI BuyICF International, Inc.$9,976,078
+43.4%
80,200
+26.5%
1.21%
+12.3%
BDC BuyBelden, Inc.$9,445,959
+17.5%
98,755
+6.6%
1.15%
-8.0%
VRTV BuyVeritiv Corp.$9,143,152
+0.2%
72,790
+7.9%
1.11%
-21.5%
ALGM BuyAllegro MicroSystems, Inc.$8,849,246
+49.3%
196,040
+58.7%
1.08%
+16.8%
EXTR BuyExtreme Networks, Inc.$8,802,295
+129.0%
337,900
+68.1%
1.07%
+79.5%
AMPH SellAmphastar Pharmaceuticals, Inc$8,494,066
+27.1%
147,800
-17.1%
1.03%
-0.5%
CLH SellClean Harbors, Inc.$7,416,615
+2.3%
45,105
-11.3%
0.90%
-19.8%
TCMD BuyTactile Sys Technology, Inc.$7,353,104
+72.5%
294,950
+13.6%
0.89%
+35.2%
BELFB  Bel Fuse, Inc.$6,975,315
+52.8%
121,5000.0%0.85%
+19.8%
EVH BuyEvolent Health, Inc.$6,905,673
+26.9%
227,910
+35.9%
0.84%
-0.6%
MODN BuyModel N, Inc.$6,888,764
+40.7%
194,818
+33.2%
0.84%
+10.3%
VC BuyVisteon Corp.$6,858,814
+11.0%
47,760
+21.2%
0.83%
-13.0%
BLBD BuyBlue Bird Corporation$6,773,224
+160.4%
301,300
+136.7%
0.82%
+103.7%
NewNavitas Semiconductor Corp.$6,745,600640,000
+100.0%
0.82%
UCTT BuyUltra Clean Holdings$6,572,814
+49.4%
170,900
+28.8%
0.80%
+17.0%
POWI NewPower Integrations$6,557,79169,270
+100.0%
0.80%
MMSI BuyMerit Medical System Inc$6,537,302
+101.8%
78,160
+78.4%
0.79%
+57.9%
TMCI BuyTreace Medical Concepts, Inc.$6,433,370
+65.5%
251,500
+63.0%
0.78%
+29.7%
AXNX BuyAxonics, Inc.$6,330,957
+21.2%
125,440
+31.0%
0.77%
-5.1%
OSPN BuyOneSpan, Inc.$6,185,980
-2.2%
416,845
+15.4%
0.75%
-23.3%
VRT NewVertiv Holdings Co.$6,151,382248,340
+100.0%
0.75%
ADMA BuyADMA Biologics, Inc.$6,157,503
+59.1%
1,668,700
+42.7%
0.75%
+24.5%
STRL BuySterling Construction Co., Inc$5,953,860
+60.5%
106,700
+9.0%
0.72%
+25.9%
SIBN NewSI-BONE, Inc.$5,940,996220,200
+100.0%
0.72%
SEAS BuySeaWorld Entertainment Inc.$5,578,596
+12.6%
99,600
+23.3%
0.68%
-11.8%
CIR NewCIRCOR International, Inc.$5,362,75095,000
+100.0%
0.65%
PLYA BuyPlaya Hotels & Resorts N.V.$5,334,142
+45.0%
655,300
+71.0%
0.65%
+13.5%
EHC NewEncompass Health Corporation$5,288,15178,100
+100.0%
0.64%
CAMT BuyCamtek, Ltd.$5,280,437
+58.3%
148,202
+25.9%
0.64%
+23.9%
CECE BuyCECO Environmental Corp.$5,245,136
+68.4%
392,600
+76.4%
0.64%
+31.9%
WFRD BuyWeatherford International PLC$5,219,284
+200.1%
78,580
+168.2%
0.63%
+134.8%
VECO NewVeeco Instruments, Inc.$5,200,200202,500
+100.0%
0.63%
INMD BuyInmode Ltd.$5,120,685
+24.2%
137,100
+6.3%
0.62%
-2.8%
CHEF BuyThe Chefs Warehouse, Inc.$5,060,040
+43.4%
141,500
+36.6%
0.62%
+12.4%
CIEN  Ciena Corporation$5,026,779
-19.1%
118,3050.0%0.61%
-36.6%
PLAB BuyPhotronics, Inc.$5,021,313
+78.9%
194,700
+15.0%
0.61%
+39.9%
FORM BuyFormfactor Inc.$4,893,460
+51.4%
143,000
+40.9%
0.60%
+18.5%
VEC BuyV2X, Inc.$4,846,968
+56.8%
97,800
+25.7%
0.59%
+23.0%
SNCY NewSun Country Airlines Holdings,$4,792,736213,200
+100.0%
0.58%
MGPI BuyMGP Ingredients, Inc.$4,766,658
+54.3%
44,850
+40.4%
0.58%
+20.9%
HLIT BuyHarmonic, Inc.$4,758,831
+113.9%
294,300
+93.0%
0.58%
+67.5%
DGII NewDigi International I$4,750,434120,600
+100.0%
0.58%
FSS BuyFederal Signal Corp.$4,731,817
+49.7%
73,900
+26.8%
0.58%
+17.3%
ATI BuyATI, Inc.$4,723,764
+64.2%
106,800
+46.5%
0.57%
+28.7%
RES BuyRPC, Inc.$4,697,784
-0.6%
657,033
+6.9%
0.57%
-22.2%
MGNI NewMagnite, Inc.$4,650,555340,700
+100.0%
0.56%
HXL BuyHexcel Corporation$4,485,180
+89.9%
59,000
+70.5%
0.54%
+48.9%
SP BuySP Plus Corporation$4,446,807
+49.4%
113,700
+31.0%
0.54%
+16.9%
FLS NewFlowserve Corporation$4,428,280119,200
+100.0%
0.54%
LFUS NewLittelfuse, Inc.$4,427,91215,200
+100.0%
0.54%
WWD NewWoodward, Inc.$4,411,56137,100
+100.0%
0.54%
NewWeave Communications, Inc.$4,382,895394,500
+100.0%
0.53%
GVA BuyGranite Construction$4,379,778
+124.5%
110,100
+131.8%
0.53%
+75.6%
ALSN BuyAllison Transmission Holdings,$4,370,004
+45.5%
77,400
+16.6%
0.53%
+13.9%
PSN NewParsons Corp.$4,351,85690,400
+100.0%
0.53%
EZPW BuyEZCorp, Inc.$4,241,956
+32.8%
506,200
+36.3%
0.52%
+4.0%
FELE BuyFranklin Electric$4,208,610
+29.6%
40,900
+18.6%
0.51%
+1.4%
CBT BuyCabot Corp.$4,174,286
-9.8%
62,405
+3.4%
0.51%
-29.4%
CDNS SellCadence Design System, Inc.$4,127,552
+11.0%
17,600
-0.6%
0.50%
-13.0%
IPAR BuyInter Parfums$4,110,992
+18.4%
30,400
+24.6%
0.50%
-7.1%
ACHC BuyAcadia Healthcare Co., Inc.$4,093,496
+62.8%
51,400
+47.7%
0.50%
+27.4%
KWR BuyQuaker Chemical Corporation$4,053,920
+42.2%
20,800
+44.4%
0.49%
+11.5%
ZETA BuyZeta Global Holdings Corp.$4,052,230
+75.4%
474,500
+122.5%
0.49%
+37.4%
HAE BuyHaemonetics Corp.$4,044,150
+32.4%
47,500
+28.7%
0.49%
+3.6%
MMS BuyMaximus, Inc.$4,039,578
+25.8%
47,800
+17.2%
0.49%
-1.4%
SLAB BuySilicon Laboratories, Inc.$4,023,947
+10.4%
25,510
+22.6%
0.49%
-13.5%
ALGT NewAllegiant Travel Co.$3,838,91230,400
+100.0%
0.47%
MOD BuyModine Mfg Co Com$3,797,300
+72.0%
115,000
+20.0%
0.46%
+34.4%
FTDR NewFrontdoor, Inc.$3,754,630117,700
+100.0%
0.46%
HEES BuyH&E Equipment Services, Inc.$3,756,075
+52.2%
82,100
+47.1%
0.46%
+19.1%
BuyFirstCash Holdings, Inc$3,742,533
+83.4%
40,100
+87.4%
0.46%
+43.5%
ACMR BuyACM Research, Inc. Class A$3,735,648
+48.1%
285,600
+32.5%
0.45%
+16.1%
HAYN BuyHaynes Intl, Inc.$3,689,532
+44.7%
72,600
+42.6%
0.45%
+13.1%
AVNW BuyAviat Networks, Inc.$3,654,249
+12.2%
109,507
+15.9%
0.44%
-12.1%
MTSI BuyMacom Technology Solutions$3,650,021
+16.8%
55,700
+26.3%
0.44%
-8.5%
CRY NewArtivion, Inc$3,632,247211,300
+100.0%
0.44%
OPCH BuyOption Care Health Inc.$3,606,390
+16.5%
111,000
+14.0%
0.44%
-8.8%
STKL BuySunOpta, Inc.$3,597,213
+11.0%
537,700
+27.8%
0.44%
-13.1%
OI BuyO-I Glass, Inc.$3,585,573
+31.6%
168,100
+40.1%
0.44%
+3.1%
SHLS NewShoals Technology Group, Inc.$3,568,176139,600
+100.0%
0.43%
LYTS BuyLSI Industries Inc.$3,563,272
+41.6%
283,700
+57.0%
0.43%
+10.7%
EIG BuyEmployers Holdings, Inc.$3,557,691
+47.4%
95,100
+64.2%
0.43%
+15.2%
JELD NewJELD-WEN Holding, Inc.$3,541,326201,900
+100.0%
0.43%
AIT BuyApplied Industrial$3,533,852
+32.3%
24,400
+29.8%
0.43%
+3.4%
NewSPX Technologies, Inc.$3,526,25541,500
+100.0%
0.43%
MHO BuyM/I Homes, Inc.$3,522,476
+130.7%
40,400
+66.9%
0.43%
+80.6%
NEO NewNeoGenomics, Inc.$3,422,910213,000
+100.0%
0.42%
ALIT BuyAlight, Inc.$3,338,412
+49.9%
361,300
+49.4%
0.41%
+17.7%
EVRI SellEveri Hldgs, Inc.$3,314,232
-35.9%
229,200
-23.9%
0.40%
-49.8%
SMCI NewSuper Micro Computer Inc.$3,265,17513,100
+100.0%
0.40%
BOOT SellBoot Barn Hldgs, Inc.$3,201,282
+1.4%
37,800
-8.3%
0.39%
-20.6%
ESTE BuyEarthstone Energy Inc.$3,186,670
+27.6%
223,000
+16.2%
0.39%0.0%
MCRI BuyMonarch Casino & Resort, Inc.$3,184,340
+21.3%
45,200
+27.7%
0.39%
-4.9%
DVAX BuyDynavax Technologies Corp.$3,170,568
+82.7%
245,400
+38.7%
0.38%
+43.1%
PFBC BuyPreferred Bank$3,134,430
+11.0%
57,000
+10.7%
0.38%
-13.0%
ATEN SellA10 Networks, Inc.$3,043,474
-8.1%
208,600
-2.4%
0.37%
-28.0%
UNM BuyUNUM Group$2,986,020
+48.0%
62,600
+22.7%
0.36%
+16.0%
NEWR BuyNew Relic, Inc.$2,964,432
+34.4%
45,300
+54.6%
0.36%
+5.3%
ABM BuyABM Industries, Inc.$2,921,525
+12.3%
68,500
+18.3%
0.36%
-12.1%
INSW BuyInternational Seaways, Inc.$2,860,352
+33.5%
74,800
+45.5%
0.35%
+4.8%
PDCE SellPDC Energy, Inc.$2,817,454
+9.9%
39,604
-0.9%
0.34%
-14.1%
OXM BuyOxford Inds, Inc.$2,716,392
+4.6%
27,600
+12.2%
0.33%
-18.1%
PTEN BuyPatterson-Uti Energy, Inc.$2,711,205
+41.4%
226,500
+38.2%
0.33%
+10.4%
IMXI BuyInternational Money Express, I$2,656,599
+12.3%
108,300
+18.0%
0.32%
-12.0%
VSEC BuyVSE Corp.$2,608,713
+50.9%
47,700
+23.9%
0.32%
+18.3%
SWAV BuyShockWave Medical, Inc.$2,582,961
+73.9%
9,050
+32.1%
0.31%
+36.5%
AYX  Alteryx, Inc. Com Cl A$2,558,290
-22.8%
56,3500.0%0.31%
-39.5%
INSP BuyInspire Medical Systems, Inc.$2,483,496
+78.3%
7,650
+28.6%
0.30%
+39.8%
CPRX BuyCatalyst Pharmaceuticals, Inc.$2,464,896
+0.9%
183,400
+24.4%
0.30%
-20.8%
PDFS BuyPdf Solutions, Inc.$2,457,950
+34.8%
54,500
+26.7%
0.30%
+5.7%
CRK BuyComstock Res$2,394,966
+9.5%
206,463
+1.9%
0.29%
-14.2%
JBI BuyJanus International Group, Inc$2,395,302
+14.6%
224,700
+6.0%
0.29%
-10.2%
AMOT  Allied Motion Technologies$2,260,604
+3.3%
56,6000.0%0.28%
-18.9%
MRC BuyMRC Global, Inc.$2,249,638
+32.0%
223,400
+27.4%
0.27%
+3.4%
NSP SellInsperity, Inc.$2,141,280
-7.8%
18,000
-5.8%
0.26%
-27.8%
LMAT BuyLeMaitre Vascular, Inc.$2,126,048
+43.9%
31,600
+10.1%
0.26%
+12.7%
NSSC NewNapco Sec Technologies, Inc.$2,054,74559,300
+100.0%
0.25%
HFWA BuyHeritage Financial Corporation$2,045,505
-0.3%
126,500
+31.9%
0.25%
-21.7%
DXLG BuyDestination XL Group, Inc.$2,036,930
-10.0%
415,700
+1.2%
0.25%
-29.3%
VPG BuyVishay Precision Group$2,024,675
-9.2%
54,500
+2.1%
0.25%
-28.9%
MTDR BuyMatador Resources Company$2,003,856
+12.4%
38,300
+2.4%
0.24%
-11.6%
NOVT BuyNovanta, Inc.$1,951,460
+75.2%
10,600
+51.4%
0.24%
+37.0%
ALTG BuyAlta Equipment Group, Inc.$1,908,033
+11.5%
110,100
+1.9%
0.23%
-12.8%
TXRH BuyTexas Roadhouse$1,875,076
+30.5%
16,700
+25.6%
0.23%
+2.2%
BuyAmylyx Pharmaceuticals, Inc.$1,833,450
+3.6%
85,000
+41.0%
0.22%
-18.9%
SellNerdWallet, Inc.$1,766,257
-52.5%
187,700
-18.3%
0.22%
-62.7%
SSD NewSimpson Manufacturing$1,745,10012,600
+100.0%
0.21%
MBWM BuyMercantile Bank Corp.$1,734,219
-5.5%
62,789
+4.6%
0.21%
-26.0%
FIX NewComfort Systems USA Inc.$1,724,10010,500
+100.0%
0.21%
SCSC SellScansource, Inc.$1,720,392
-22.5%
58,200
-20.2%
0.21%
-39.2%
MNSO SellMINISO Group Holding Limited$1,644,632
-26.9%
96,800
-23.7%
0.20%
-42.7%
MGY  Magnolia Oil & Gas Corp.$1,617,660
-4.5%
77,4000.0%0.20%
-25.1%
CAL BuyCaleres Inc.$1,600,917
+28.5%
66,900
+16.1%
0.20%
+1.0%
SPY BuySPDR S&P 500 ETF Trust$1,594,581
+8.6%
3,597
+0.3%
0.19%
-14.9%
BRKL BuyBrookline Bancorp, Inc.$1,573,200
-0.3%
180,000
+19.8%
0.19%
-22.0%
WAFD  Washington Federal, Inc.$1,543,464
-12.0%
58,2000.0%0.19%
-30.9%
FRME BuyFirst Merchants Corporation$1,547,004
+11.5%
54,800
+30.2%
0.19%
-12.6%
WING NewWingstop, Inc.$1,521,2167,600
+100.0%
0.18%
NOV BuyNOV, Inc.$1,515,780
-9.5%
94,500
+4.4%
0.18%
-29.2%
FLL  Full House Resorts, Inc.$1,495,058
-7.3%
223,1430.0%0.18%
-27.2%
MUSA BuyMurphy USA, Inc.$1,493,328
+44.7%
4,800
+20.0%
0.18%
+13.1%
LBRT  Liberty Energy, Inc.$1,469,363
+4.4%
109,9000.0%0.18%
-17.9%
LI NewLi Auto, Inc. ADR$1,158,30033,000
+100.0%
0.14%
ASYS  Amtech Systems, Inc.$1,136,684
+0.2%
118,9000.0%0.14%
-21.6%
PDD SellPDD Holdings Inc.$1,106,240
-41.7%
16,000
-36.0%
0.13%
-54.4%
TSM NewTaiwan Semiconductor$1,059,66010,500
+100.0%
0.13%
AAPL SellApple, Inc.$1,057,102
+17.0%
5,450
-0.5%
0.13%
-8.6%
MSFT  Microsoft Corp.$1,040,350
+18.1%
3,0550.0%0.13%
-8.0%
MXL SellMaxlinear, Inc. Class A$994,298
-79.9%
31,505
-77.6%
0.12%
-84.2%
TME SellTencent Music Entertainment$922,500
-28.1%
125,000
-19.4%
0.11%
-43.7%
NINE BuyNine Energy Service, Inc.$903,114
-27.9%
235,800
+4.7%
0.11%
-43.3%
KVHI  KVH Industries, Inc.$831,740
-19.7%
91,0000.0%0.10%
-37.3%
LEGN NewLegend Biotech Corp.$828,36012,000
+100.0%
0.10%
CVV BuyCVD Equipment Corp.$759,110
+76.7%
103,000
+218.9%
0.09%
+37.3%
JPM BuyJP Morgan Chase & Company Inc.$595,518
+11.7%
4,095
+0.1%
0.07%
-13.3%
JNJ BuyJohnson & Johnson$448,676
+6.9%
2,711
+0.1%
0.06%
-15.4%
TRV BuyThe Travelers Co., Inc.$394,446
+3.2%
2,271
+1.9%
0.05%
-18.6%
MA SellMastercard, Inc.$371,727
+6.0%
945
-2.1%
0.04%
-16.7%
RMD  Resmed Inc.$316,825
-0.2%
1,4500.0%0.04%
-20.4%
AMGN BuyAmgen, Inc.$306,992
-8.1%
1,383
+0.1%
0.04%
-28.8%
LLY  Eli Lilly & Company$285,643
+36.6%
6090.0%0.04%
+9.4%
RFIL  RF Industries Ltd.$261,865
-5.7%
63,1000.0%0.03%
-25.6%
AMZN  Amazon.com$260,720
+26.2%
2,0000.0%0.03%0.0%
WMT BuyWal Mart Stores Inc.$249,690
+6.7%
1,589
+0.1%
0.03%
-16.7%
MCD BuyMcDonald's Corporation$250,850
+6.9%
841
+0.1%
0.03%
-16.7%
ARCO NewArcos Dorados Holdings, Inc.$237,80023,200
+100.0%
0.03%
OMAB SellGrupo Aeroportuario del Centro$229,068
-14.7%
2,700
-10.0%
0.03%
-33.3%
NEM SellNewmont Mining$218,660
-24.4%
5,126
-13.1%
0.03%
-40.0%
PEP NewPepsico, Inc.$202,8161,095
+100.0%
0.02%
VLRS SellControladora Vuela Comp de Avi$167,400
-27.7%
12,000
-35.5%
0.02%
-44.4%
DADA SellDada Nexus Limited$121,068
-95.9%
22,800
-93.5%
0.02%
-96.7%
AMPW  American Power Corp$010,0000.0%0.00%
TNGS  Titan Oil & Gas, Inc.$010,0000.0%0.00%
ATAR  Avatar Ventures$010,0000.0%0.00%
XCHO  Xenacare Hldgs, Inc.$0140,0000.0%0.00%
 AMR Corp Escrow$018,0000.0%0.00%
VVI ExitViad Corp.$0-11,886
-100.0%
-0.04%
BEKE ExitKE Holdings, Inc.$0-40,000
-100.0%
-0.12%
RCKY ExitRocky Brands, Inc.$0-36,100
-100.0%
-0.13%
MP ExitMP Materials Corp.$0-52,600
-100.0%
-0.23%
UNVR ExitUnivar Solutions, Inc.$0-51,600
-100.0%
-0.28%
TWOU Exit2U, Inc.$0-264,300
-100.0%
-0.28%
TITN ExitTitan Machinery, Inc.$0-60,100
-100.0%
-0.28%
GES ExitGuess, Inc$0-96,200
-100.0%
-0.29%
CLW ExitClearwater Paper Corp$0-56,500
-100.0%
-0.29%
ExitAdtran, Inc.$0-131,300
-100.0%
-0.32%
AVID ExitAvid Technology, Inc.$0-65,000
-100.0%
-0.32%
KTB ExitKontoor Brands, Inc.$0-46,300
-100.0%
-0.35%
FC ExitFranklin Covey Co.$0-68,200
-100.0%
-0.41%
ELY ExitTopgolf Callaway Brands Corp.$0-138,300
-100.0%
-0.46%
SITM ExitSiTime Corporation$0-21,800
-100.0%
-0.48%
CALX ExitCalix, Inc.$0-61,100
-100.0%
-0.51%
SYNA ExitSynaptics, Inc.$0-40,260
-100.0%
-0.69%
FN ExitFabrinet$0-40,145
-100.0%
-0.74%
HALO ExitHalozyme Therapeutics, Inc.$0-164,040
-100.0%
-0.97%
Original filings

The following EDGAR filing(s) were analyzed to create this report:

  • View 13F-HR filed 2023-08-14
Signatures

The EDGAR filing(s) were signed by:

Top long-term holdings
NameQuarters ownedLatest quarter ownedMax weighting
SPDR S&P 500 ETF Trust42Q3 20230.8%
Apple, Inc.42Q3 20230.3%
Microsoft Corp.42Q3 20230.3%
JP Morgan Chase & Company Inc.42Q3 20230.2%
Johnson & Johnson42Q3 20230.2%
The Travelers Co., Inc.42Q3 20230.1%
Amgen, Inc.42Q3 20230.2%
Xenacare Hldgs, Inc.42Q3 20230.0%
Mastercard, Inc.41Q3 20230.2%
Wal Mart Stores Inc.41Q3 20230.1%

View OBERWEIS ASSET MANAGEMENT INC/'s complete holdings history.

Latest significant ownerships (13-D/G)

View OBERWEIS ASSET MANAGEMENT INC/'s complete significant-ownership history.

Latest filings
TypeFiled
13F-HR2024-02-14
13F-HR2023-11-14
13F-HR2023-08-14
13F-HR2023-05-15
13F-HR2023-02-14
13F-HR2022-11-14
13F-HR2022-08-15
13F-HR2022-05-16
13F-HR2022-02-14
13F-HR2021-11-15

View OBERWEIS ASSET MANAGEMENT INC/'s complete filings history.

Compare quarters

Export OBERWEIS ASSET MANAGEMENT INC/'s holdings