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  Name: OBERWEIS ASSET MANAGEMENT INC/
  City: NORTH AURORA
  State: IL
  Zip: 60542
   
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Portfolio Summary View Filing
  Filing Report Date : 2025-03-31
  Total Value : $2,006,315,000
  Total Value Change : $-115,045,000
  Securities Held Change : -4
   
All Securities Held : 192
  New Positions : 24
  Closed Positions : 28
  Increased Positions : 67
  Unchanged Positions : 82
  Decreased Positions : 19

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Holdings Found : 100     View All Holdings Currently Viewing:  ALL     Page 1 of 1
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Ticker Company Name Position
Rank
New/Closed
Postion
Last
Close
    Value Shares Held
% of
Portfolio
Value
Change
Change In
Shares Held
   % of Company    Industry
   (ADMA)1 Year Chart         ADMA ADMA Biologics Inc 1 - $18.16 $67,977,000 3,426,260 3.39% 10,652,000 83,700 1.452    Biotechnology
   (CRDO)1 Year Chart         CRDO Credo Technology Group Hold... 2 - $93.49 $50,598,000 1,259,915 2.52% -13,896,000 300,321 0.87    N/A
   (SN)1 Year Chart         SN SharkNinja, Inc 3 - $96.50 $41,718,000 500,160 2.08% -6,893,000 870 0.36    N/A
   (HLS)1 Year Chart         HLS Encompass Health Corp 4 - $85.88 $37,546,000 370,720 1.87% 6,070,000 29,891 0.377    Hospitals
   (DOCS)1 Year Chart         DOCS Doximity, Inc. 5 - $61.09 $33,893,000 584,060 1.69% 3,295,000 10,960 0.315    N/A
   (AMBA)1 Year Chart         AMBA Ambarella Inc 6 - $67.06 $28,629,000 568,825 1.43% 15,332,000 386,025 1.644    Semiconductor Equipme...
   (ITRI)1 Year Chart         ITRI Itron Inc 7 - $132.46 $28,548,000 272,510 1.42% 6,929,000 73,400 0.502    Scientific & Technica...
   (SKYW)1 Year Chart         SKYW SkyWest Inc 8 - $103.40 $27,884,000 319,150 1.39% -4,072,000 0 0.637    Regional Airlines
   (WAY)1 Year Chart         WAY Waystar Holding Corp. 9 - $39.76 $26,639,000 713,040 1.33% 18,150,000 481,740 0.428    N/A
   (G)1 Year Chart         G Genpact Ltd 10 - $43.54 $26,379,000 523,600 1.31% 3,890,000 0 0.277    Management Services
   (RMBS)1 Year Chart         RMBS Rambus Inc 11 - $64.00 $26,268,000 507,350 1.31% 4,627,000 97,950 0.445    Semiconductor - Memor...
   (LRN)1 Year Chart         LRN Stride, Inc 12 - $23.84 $26,223,000 207,300 1.31% 4,678,000 0 0.423    Publishing
   (DORM)1 Year Chart         DORM Dorman Products Inc 13 - $91.37 $25,135,000 208,520 1.25% 1,852,000 28,800 0.646    Auto Parts
   (FLS)1 Year Chart         FLS Flowserve Corp 14 - $53.64 $25,064,000 513,184 1.25% -1,889,000 44,594 0.393    Diversified Machinery
   (ZETA)1 Year Chart         ZETA Zeta Global Holdings Corp. 15 - $15.11 $24,994,000 1,843,240 1.25% -8,108,000 3,200 1.201    N/A
   (SRAD)1 Year Chart         SRAD Sportradar Group Ord Shs Cl... 16 - $28.05 $24,748,000 1,144,700 1.23% 12,109,000 415,800 0.557    N/A
   (FRSH)1 Year Chart         FRSH Freshworks Inc. 17 - $14.82 $24,389,000 1,728,520 1.22% 11,023,000 901,920 0.855    N/A
   (LTH)1 Year Chart         LTH Life Time Group Holdings, Inc. 18 New $30.05 $24,069,000 797,000 1.2% 24,069,000 797,000 0.412    N/A
   (MTSI)1 Year Chart         MTSI MA Com Technology Solutions... 19 - $92.81 $23,340,000 232,520 1.16% 77,000 53,450 0.348    N/A
   (FTDR)1 Year Chart         FTDR Frontdoor Inc 20 - $58.59 $23,031,000 599,460 1.15% -2,527,000 131,960 0.642    N/A
   (VCYT)1 Year Chart         VCYT Veracyte, Inc. 21 - $27.38 $22,811,000 769,350 1.14% -6,838,000 20,630 0.929    Biotechnology
   (PRMB)1 Year Chart         PRMB Primo Brands Corp 22 - $29.35 $22,444,000 632,400 1.12% 2,985,000 0 0.201    N/A
   (MMSI)1 Year Chart         MMSI Merit Medical Systems Inc 23 - $93.50 $22,047,000 208,560 1.1% 1,856,000 -200 0.346    Medical Instruments &...
   (CLH)1 Year Chart         CLH Clean Harbors Inc 24 - $231.05 $21,744,000 110,320 1.08% -1,829,000 7,890 0.2    Waste Management
   (ICUI)1 Year Chart         ICUI ICU Medical Inc 25 - $131.82 $21,619,000 155,690 1.08% -2,693,000 -990 0.623    Medical Instruments &...
   (AAOI)1 Year Chart         AAOI Applied Optoelectronics, Inc. 26 - $26.22 $21,257,000 1,384,841 1.06% 2,981,000 889,026 3.656    N/A
   (ACIW)1 Year Chart         ACIW ACI Worldwide Inc 27 - $45.49 $21,129,000 386,202 1.05% 3,842,000 53,190 0.332    Technical & System So...
   (NVMI)1 Year Chart         NVMI Nova Measuring Instruments,... 28 - $267.64 $20,461,000 111,000 1.02% -1,400,000 0 0.393    Semiconductor Equipme...
   (BRBR)1 Year Chart         BRBR Bellring Brands, Inc. 29 - $58.54 $20,350,000 273,300 1.01% 1,281,000 20,200 0.202    N/A
   (DOCN)1 Year Chart         DOCN Digitalocean Holdings, Inc. 30 - $0.00 $19,583,000 586,500 0.98% 5,079,000 160,800 0.557    N/A
   (OSIS)1 Year Chart         OSIS OSI Systems Inc 31 - $224.05 $19,512,000 100,400 0.97% 2,702,000 0 0.56    Semiconductor Equipme...
   (QTWO)1 Year Chart         QTWO Q2 Holdings, Inc. 32 - $93.99 $19,442,000 242,990 0.97% 7,716,000 126,490 0.377    N/A
   (DECK)1 Year Chart         DECK Deckers Outdoor Corp 33 - $104.20 $18,993,000 169,870 0.95% 2,271,000 87,530 0.112    Textile - Apparel Foo...
   (BOX)1 Year Chart         BOX Box Inc 34 - $34.00 $18,427,000 597,100 0.92% 778,000 38,600 0.381    N/A
   (MRCY)1 Year Chart         MRCY Mercury Systems 35 New $53.41 $17,766,000 412,300 0.89% 17,766,000 412,300 0.631    Communication Equipment
   (COOP)1 Year Chart         COOP Mr. Cooper Group Inc 36 - $149.22 $17,593,000 147,100 0.88% 3,470,000 0 0.16    Savings & Loans
   (PSN)1 Year Chart         PSN Parsons Corp 37 - $70.57 $17,257,000 291,460 0.86% -7,417,000 23,990 0.264    N/A
   (AIZ)1 Year Chart         AIZ Assurant Inc 38 - $196.84 $16,990,000 81,000 0.85% -281,000 0 0.136    Life & Health Insurance
   (FSS)1 Year Chart         FSS Federal Signal Corp 39 - $80.84 $16,904,000 229,830 0.84% -4,330,000 0 0.38    Trucks & Other Vehicles
   (CVLT)1 Year Chart         CVLT Commvault Systems Inc 40 New $174.33 $16,880,000 107,000 0.84% 16,880,000 107,000 0.227    Application Software
   (GPS)1 Year Chart         GPS Gap Inc 41 - $21.90 $16,851,000 817,600 0.84% -316,000 91,100 0.219    Apparel Stores
   (FN)1 Year Chart         FN Fabrinet 42 - $295.62 $16,709,000 84,600 0.83% 2,681,000 20,800 0.191    Electronic Equipment
   (CCS)1 Year Chart         CCS Century Communities, Inc. 43 - $56.08 $16,641,000 248,000 0.83% -1,552,000 0 0.744    N/A
   (SFM)1 Year Chart         SFM Sprouts Farmers Market, Inc. 44 - $162.13 $16,561,000 108,500 0.83% 2,774,000 0 0.092    N/A
   (BFAM)1 Year Chart         BFAM Bright Horizons Family Solu... 45 - $122.31 $16,503,000 129,904 0.82% 2,103,000 0 0.204    Personal Services
   (YOU)1 Year Chart         YOU Clear Secure, Inc. 46 - $27.62 $15,790,000 609,400 0.79% -444,000 0 0.605    N/A
   (ONTO)1 Year Chart         ONTO Onto Innovation Inc 47 - $98.88 $15,674,000 129,175 0.78% -5,866,000 -60 0.263    Scientific & Technica...
   (ACA)1 Year Chart         ACA Arcosa, Inc. 48 - $0.00 $15,655,000 203,000 0.78% -3,983,000 0 0.421    N/A
   (LOPE)1 Year Chart         LOPE Grand Canyon Education, Inc. 49 - $189.45 $15,347,000 88,700 0.76% 3,684,000 17,500 0.189    Education & Training ...
   (IMAX)1 Year Chart         IMAX Imax Corp 50 - $27.81 $15,272,000 579,600 0.76% 434,000 0 0.976    Movie Production & Di...
   (CRS)1 Year Chart         CRS Carpenter Technology Corp 51 - $275.82 $14,750,000 81,411 0.74% 589,000 -2,030 0.17    Steel & Iron
   (CARG)1 Year Chart         CARG Cargurus, Inc. 52 - $33.26 $14,565,000 500,000 0.73% -3,705,000 0 0.486    N/A
   (DLB)1 Year Chart         DLB Dolby Laboratories Inc 53 - $74.05 $14,536,000 181,000 0.72% 400,000 0 0.281    Electronic Equipment
   (PRIM)1 Year Chart         PRIM Primoris Services Corp 54 - $80.05 $13,945,000 242,900 0.7% -4,613,000 0 0.456    General Contractors
   (PEGA)1 Year Chart         PEGA Pegasystems Inc 55 - $53.32 $13,584,000 195,400 0.68% 23,000 49,900 0.242    Business Software & S...
   (BROS)1 Year Chart         BROS Dutch Bros Inc. 56 - $69.34 $13,521,000 219,000 0.67% 2,050,000 0 0.183    N/A
   (CLBT)1 Year Chart         CLBT Cellebrite Di Ord Shs 57 - $0.00 $13,463,000 692,910 0.67% -1,802,000 0 0.154    N/A
   (UCTT)1 Year Chart         UCTT Ultra Clean Holdings Inc 58 - $22.74 $13,131,000 613,300 0.65% -8,917,000 0 1.401    Semiconductor - Speci...
   (CBT)1 Year Chart         CBT Cabot Corp 59 - $76.45 $12,704,000 152,800 0.63% -1,248,000 0 0.27    Specialty Chemicals
   (AIR)1 Year Chart         AIR AAR Corp 60 New $69.04 $12,318,000 220,000 0.61% 12,318,000 220,000 0.623    Aerospace/Defense Pro...
   (AMSC)1 Year Chart         AMSC American Superconductor Corp 61 - $36.44 $12,121,000 668,200 0.6% -4,243,000 3,800 1.692    Diversified Electronics
   (CAMT)1 Year Chart         CAMT Camtek Ltd 62 - $84.46 $11,725,000 199,980 0.58% -4,427,000 0 0.51    Scientific & Technica...
   (OMCL)1 Year Chart         OMCL Omnicell Inc 63 - $29.38 $11,649,000 333,200 0.58% -3,185,000 0 0.701    Computer Based Systems
   (BLBD)1 Year Chart         BLBD Blue Bird Corp 64 - $43.12 $11,618,000 358,900 0.58% -2,246,000 0 1.122    N/A
   (CPRX)1 Year Chart         CPRX Catalyst Pharmaceutical Par... 65 - $21.78 $11,339,000 467,600 0.57% 1,591,000 500 0.451    Drugs - Generic
   (WGS)1 Year Chart         WGS GeneDx Holdings Corp 66 - $91.10 $10,938,000 123,500 0.55% 1,446,000 0 0.483    N/A
   (NOV)1 Year Chart         NOV NOV Inc 67 New $13.73 $10,904,000 716,400 0.54% 10,904,000 716,400 0.181    Oil & Gas Equipment &...
   (RSI)1 Year Chart         RSI Rush Street Interactive, Inc 68 - $14.71 $10,633,000 991,900 0.53% -2,976,000 0 1.127    N/A
   (CBSH)1 Year Chart         CBSH Commerce Bancshares Inc 69 - $62.08 $10,442,000 167,790 0.52% -13,000 0 0.15    Domestic Regional Banks
   (EZPW)1 Year Chart         EZPW Ezcorp Inc 70 - $13.62 $10,091,000 685,500 0.5% 1,714,000 0 1.068    Specialty Retail, Other
   (UAA)1 Year Chart         UAA Under Armour Inc 71 - $6.89 $9,958,000 1,593,200 0.5% 410,000 440,000 0.845    Textile - Apparel Clo...
   (FIVN)1 Year Chart         FIVN Five9, Inc. 72 New $26.74 $9,953,000 366,600 0.5% 9,953,000 366,600 0.438    N/A
   (SPXC)1 Year Chart         SPXC SPX Technologies, Inc 73 - $119.90 $9,710,000 75,400 0.48% -1,262,000 0 0.167    Auto Parts
   (DUOL)1 Year Chart         DUOL Duolingo, Inc. 74 - $411.26 $9,627,000 31,000 0.48% -424,000 0 0.087    N/A
   (PLYA)1 Year Chart         PLYA Playa Hotels & Resorts N.v. 75 - $13.48 $9,399,000 705,100 0.47% 479,000 0 0.478    N/A
   (HQY)1 Year Chart         HQY Healthequity Inc 76 - $0.00 $9,358,000 105,900 0.47% 579,000 14,400 0.119    N/A
   (MGY)1 Year Chart         MGY Magnolia Oil & Gas Corp 77 - $22.94 $9,326,000 369,200 0.46% 2,165,000 62,900 0.116    N/A
   (SIMO)1 Year Chart         SIMO Silicon Motion Technology Corp 78 - $75.77 $9,258,000 183,100 0.46% 724,000 25,200 0.521    Diversified Electronics
   (QLYS)1 Year Chart         QLYS Qualys, Inc. 79 - $141.03 $9,080,000 72,100 0.45% 2,377,000 24,300 0.184    Application Software
   (EXLS)1 Year Chart         EXLS Exlservice Holdings, Inc. 80 - $43.82 $9,008,000 190,800 0.45% 540,000 0 0.116    Business Services
   (MTDR)1 Year Chart         MTDR Matador Resources Co 81 - $48.22 $8,956,000 175,300 0.45% 810,000 30,500 0.15    N/A
   (WEAV)1 Year Chart         WEAV Weave Communications, Inc. 82 - $0.00 $8,641,000 779,200 0.43% -3,620,000 9,050 1.213    N/A
   (AGX)1 Year Chart         AGX Argan Inc 83 - $219.74 $8,630,000 65,790 0.43% 2,340,000 19,890 0.417    Consumer Services
   (LMAT)1 Year Chart         LMAT Lemaitre Vascular Inc 84 - $82.57 $8,563,000 102,065 0.43% -863,000 -240 0.464    Medical Instruments &...
   (KRYS)1 Year Chart         KRYS Krystal Biotech Inc 86 - $138.88 $8,438,000 46,800 0.42% 1,106,000 0 0    N/A
   (TILE)1 Year Chart         TILE InterFace Inc 85 - $21.08 $8,438,000 425,300 0.42% -3,252,000 -54,800 0.888    Textile Manufacturing
   (FCFS)1 Year Chart         FCFS First Cash Financial Servic... 87 - $134.52 $8,434,000 70,100 0.42% 1,172,000 0 0.145    Specialty Retail, Other
   (VDSI)1 Year Chart         VDSI Vasco Data Security Interna... 88 - $16.81 $8,332,000 546,350 0.42% -1,781,000 900 1.36    Security Software & S...
   (ABCB)1 Year Chart         ABCB Ameris Bancorp 89 - $64.92 $8,296,000 144,100 0.41% -720,000 0 0.207    Domestic Regional Banks
   (LMB)1 Year Chart         LMB Limbach Holdings Inc 90 - $139.39 $8,251,000 110,800 0.41% -1,227,000 0 0.149    N/A
   (EOLS)1 Year Chart         EOLS Evolus Inc 91 - $9.14 $8,152,000 677,600 0.41% 671,000 0 1.173    N/A
   (MD)1 Year Chart         MD Mednax Inc 92 - $14.03 $7,906,000 545,600 0.39% 1,784,000 79,000 0.619    Specialized Health Se...
   (GDYN)1 Year Chart         GDYN Grid Dynamics Holdings Ord ... 93 - $11.67 $7,872,000 503,000 0.39% -3,315,000 0 0.68    N/A
   (SOI)1 Year Chart         SOI Solaris Oilfield Infrastruc... 94 New $28.98 $7,834,000 360,000 0.39% 7,834,000 360,000 1.214    N/A
   (OSW)1 Year Chart         OSW Onespaworld Holdings Ltd 95 - $20.43 $7,814,000 465,400 0.39% -1,447,000 0 0.466    N/A
   (BOOT)1 Year Chart         BOOT Boot Barn Holdings, Inc. 96 - $154.55 $7,810,000 72,700 0.39% 98,000 21,900 0.178    N/A
   (TPC)1 Year Chart         TPC Tutor Perini Corporation 97 New $46.85 $7,793,000 336,200 0.39% 7,793,000 336,200 0.658    Wireless Communications
   (ICHR)1 Year Chart         ICHR Ichor Holdings Ltd 98 - $19.51 $7,638,000 337,800 0.38% -3,246,000 0 1.003    N/A
   (CDNA)1 Year Chart         CDNA Caredx, Inc. 99 - $19.23 $7,513,000 423,271 0.37% -1,554,000 -200 0.689    N/A
   (OSCR)1 Year Chart         OSCR Oscar Health, Inc. 100 - $0.00 $7,451,000 568,330 0.37% -530,000 -25,520 0.235    N/A

      100 Records Found
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