OBERWEIS ASSET MANAGEMENT INC/
13F Reported Value
ⓘ$4.8B
Holdings
176
Latest Filing
2026-06-30
Filing Quarter
Q2 2026
Portfolio Overview
OBERWEIS ASSET MANAGEMENT INC/ disclosed 176 positions worth $4.8B in its Form 13F-HR for Q2 2026, led by $CRDO (Credo Technology Group Holding Ltd) at 5.7% of the equity portfolio, followed by $AAOI and $DOCN. During the quarter the fund opened 22 new positions and exited 26 — including a new stake in $MXL and a full exit from $FLS. The portfolio is most concentrated in Technology (49.7% of disclosed assets). All figures are sourced directly from OBERWEIS ASSET MANAGEMENT INC/’s Form 13F-HR filing with the SEC under CIK 937886.
AI Fund Analysis
StableSector Allocation
AUM History
Top Equity Holdings by Value
Quarterly Activity — Q2 2026
Click any card to unlockTop Holdings
- 55.1#1,296
Quality
$275.6M1,013,428 sh - 40.1#2,117
Quality
$265.4M1,791,127 sh - 67.2#376
Quality
$146.0M930,005 sh - —
Quality
$105.4M316,350 sh - 40.1
Quality
$92.3M647,276 sh - 66.8
Quality
$90.4M593,500 sh - 66.1
Quality
$89.1M119,501 sh - 63.3
Quality
$82.7M1,185,280 sh - 74.9
Quality
$71.0M855,476 sh - 70.2
Quality
$70.0M527,016 sh
| Company | Quality | Value | Shares |
|---|---|---|---|
| 55.1#1,296 | $275.6M | 1,013,428 | |
| 40.1#2,117 | $265.4M | 1,791,127 | |
| 67.2#376 | $146.0M | 930,005 | |
| — | $105.4M | 316,350 | |
| 40.1 | $92.3M | 647,276 | |
| 66.8 | $90.4M | 593,500 | |
| 66.1 | $89.1M | 119,501 | |
| 63.3 | $82.7M | 1,185,280 | |
| 74.9 | $71.0M | 855,476 | |
| 70.2 | $70.0M | 527,016 |
Unlock AI quality scores for every holding
32-signal composite ranking on each of OBERWEIS ASSET MANAGEMENT INC/'s 176 positions.
Showing top 10 of 176 holdings.
Sector Allocation
Technology
$2.4B
Healthcare
$768.6M
Industrials
$734.4M
Consumer Discretionary
$248.8M
Financials
$182.9M
Energy
$179.2M
Communication Services
$167.6M
Materials
$93.4M
Full Holdings — OBERWEIS ASSET MANAGEMENT INC/ (Q2 2026)
All 176 disclosed positions from the latest Form 13F-HR, with quarter-over-quarter share changes and 13F Pro quality scores. Sourced from SEC EDGAR.
| # | Ticker | Company | Value | Weight | QoQ | Quality |
|---|---|---|---|---|---|---|
| 1 | Credo Technology Group Holding Ltd | $275.6M | 5.7% | -1% | 55.1 | |
| 2 | APPLIED OPTOELECTRONICS, INC. | $265.4M | 5.5% | -24% | 40.1 | |
| 3 | DigitalOcean Holdings, Inc. | $146.0M | 3.0% | +0% | 67.2 | |
| 4 | Silicon Motion Technology CORP | $105.4M | 2.2% | +12% | — | |
| 5 | Ultra Clean Holdings, Inc. | $92.3M | 1.9% | +1% | 40.1 | |
| 6 | SharkNinja, Inc. | $90.4M | 1.9% | -1% | 66.8 | |
| 7 | SITIME Corp | $89.1M | 1.8% | +0% | 66.1 | |
| 8 | BrightSpring Health Services, Inc. | $82.7M | 1.7% | +2% | 63.3 | |
| 9 | Hinge Health, Inc. | $71.0M | 1.5% | +84% | 74.9 | |
| 10 | RAMBUS INC | $70.0M | 1.4% | +0% | 70.2 | |
| 11 | MACOM Technology Solutions Holdings, Inc. | $68.2M | 1.4% | -17% | 69.4 | |
| 12 | Lumentum Holdings Inc. | $61.9M | 1.3% | -73% | 44.3 | |
| 13 | LATTICE SEMICONDUCTOR CORP | $59.9M | 1.2% | +5% | 48.7 | |
| 14 | NOVA LTD. | $59.0M | 1.2% | -21% | — | |
| 15 | CARPENTER TECHNOLOGY CORP | $57.5M | 1.2% | -1% | 64.6 | |
| 16 | Frontdoor, Inc. | $55.8M | 1.1% | +0% | 60.3 | |
| 17 | Everus Construction Group, Inc. | $54.5M | 1.1% | +1% | 66.3 | |
| 18 | VERACYTE, INC. | $51.5M | 1.1% | +5% | 68.6 | |
| 19 | POWELL INDUSTRIES INC | $51.4M | 1.1% | +426% | 69.8 | |
| 20 | Life Time Group Holdings, Inc. | $48.6M | 1.0% | +3% | 60.9 | |
| 21 | Rush Street Interactive, Inc. | $48.4M | 1.0% | +13% | 66.4 | |
| 22 | MERCURY SYSTEMS INC | $48.0M | 1.0% | +0% | 47.8 | |
| 23 | Dutch Bros Inc. | $47.1M | 1.0% | +10% | 63.6 | |
| 24 | CLEAN HARBORS INC | $45.9M | 0.9% | +6% | 55.6 | |
| 25 | Solaris Energy Infrastructure, Inc. | $45.4M | 0.9% | +6% | 56.4 | |
| 26 | DIODES INC /DEL/ | $45.3M | 0.9% | +84% | 52.1 | |
| 27 | Arcosa, Inc. | $42.9M | 0.9% | +10% | 60.2 | |
| 28 | Blue Bird Corp | $41.8M | 0.9% | +36% | 63.3 | |
| 29 | CAMTEK LTD | $41.3M | 0.8% | +14% | — | |
| 30 | LivaNova PLC | $41.1M | 0.8% | +55% | — | |
| 31 | AMERICAN SUPERCONDUCTOR CORP /DE/ | $41.0M | 0.8% | +16% | 66 | |
| 32 | MAXLINEAR, INC | $40.9M | 0.8% | NEW | 33.1 | |
| 33 | GLOBUS MEDICAL INC | $40.5M | 0.8% | +31% | 79.5 | |
| 34 | NOVANTA INC | $39.6M | 0.8% | NEW | 51.2 | |
| 35 | SKYWEST INC | $38.1M | 0.8% | -2% | 69.4 | |
| 36 | VIAVI SOLUTIONS INC. | $37.9M | 0.8% | +34% | 51.5 | |
| 37 | MOOG INC. | $36.8M | 0.8% | +93% | 65.1 | |
| 38 | LITTELFUSE INC /DE | $36.3M | 0.8% | +11% | 51.6 | |
| 39 | Arcutis Biotherapeutics, Inc. | $36.0M | 0.7% | +1% | 62.9 | |
| 40 | FirstCash Holdings, Inc. | $35.9M | 0.7% | +0% | 69.3 | |
| 41 | BillionToOne, Inc. | $35.9M | 0.7% | NEW | 61.9 | |
| 42 | DANA Inc | $35.9M | 0.7% | -18% | 56.7 | |
| 43 | Element Solutions Inc | $35.3M | 0.7% | NEW | 46.2 | |
| 44 | AAR CORP | $35.2M | 0.7% | +0% | 60.8 | |
| 45 | Remitly Global, Inc. | $35.2M | 0.7% | +8% | 72.5 | |
| 46 | ICU MEDICAL INC/DE | $34.8M | 0.7% | +16% | 49 | |
| 47 | FEDERAL SIGNAL CORP /DE/ | $34.6M | 0.7% | +1% | 68.7 | |
| 48 | Ouster, Inc. | $34.1M | 0.7% | NEW | 36.2 | |
| 49 | LEVI STRAUSS & CO | $33.7M | 0.7% | +16% | 63.4 | |
| 50 | MERIT MEDICAL SYSTEMS INC | $32.8M | 0.7% | +12% | 64 | |
| 51 | ASSURANT, INC. | $32.8M | 0.7% | +19% | 67.8 | |
| 52 | Waystar Holding Corp. | $32.6M | 0.7% | +36% | 65.5 | |
| 53 | CECO ENVIRONMENTAL CORP | $32.5M | 0.7% | +165% | 24.6 | |
| 54 | Liquidia Corp | $32.4M | 0.7% | +9% | 78.3 | |
| 55 | Encompass Health Corp | $32.0M | 0.7% | +9% | 66.9 | |
| 56 | Indivior Pharmaceuticals, Inc. | $32.0M | 0.7% | +19% | 58.5 | |
| 57 | COGNEX CORP | $31.0M | 0.6% | NEW | 66.9 | |
| 58 | GRANITE CONSTRUCTION INC | $30.5M | 0.6% | NEW | 54.4 | |
| 59 | PDF SOLUTIONS INC | $30.2M | 0.6% | NEW | 56.5 | |
| 60 | Envista Holdings Corp | $29.5M | 0.6% | +68% | 54.9 | |
| 61 | Dave Inc./DE | $29.4M | 0.6% | +18% | 80.2 | |
| 62 | AMBARELLA INC | $29.4M | 0.6% | +16% | 42.5 | |
| 63 | NLIGHT, INC. | $28.8M | 0.6% | +14% | 54.1 | |
| 64 | MYR GROUP INC. | $27.1M | 0.6% | NEW | 59.2 | |
| 65 | Adaptive Biotechnologies Corp | $27.0M | 0.6% | +56% | 41.4 | |
| 66 | Leonardo DRS, Inc. | $26.8M | 0.6% | +40% | 66.9 | |
| 67 | TUTOR PERINI CORP | $26.8M | 0.6% | -18% | 66.2 | |
| 68 | Kodiak Gas Services, Inc. | $26.7M | 0.6% | NEW | 57 | |
| 69 | Kiniksa Pharmaceuticals International, plc | $26.4M | 0.6% | +30% | — | |
| 70 | Chime Financial, Inc. | $26.0M | 0.5% | +22% | 53.5 | |
| 71 | Alignment Healthcare, Inc. | $25.9M | 0.5% | +13% | 64.2 | |
| 72 | HALOZYME THERAPEUTICS, INC. | $25.1M | 0.5% | +46% | 77.2 | |
| 73 | iRhythm Holdings, Inc. | $24.0M | 0.5% | +29% | 54.8 | |
| 74 | Ameris Bancorp | $23.9M | 0.5% | +0% | 59.8 | |
| 75 | Zurn Elkay Water Solutions Corp | $23.7M | 0.5% | +33% | 59.7 | |
| 76 | OSI SYSTEMS INC | $23.4M | 0.5% | +1% | 59.2 | |
| 77 | Omada Health, Inc. | $23.0M | 0.5% | NEW | 59.4 | |
| 78 | URBAN OUTFITTERS INC | $22.4M | 0.5% | +0% | 61.9 | |
| 79 | ANI PHARMACEUTICALS INC | $22.0M | 0.5% | +20% | 72.5 | |
| 80 | EZCORP INC | $21.8M | 0.5% | -1% | 63.4 | |
| 81 | Core Natural Resources, Inc. | $21.7M | 0.5% | +1% | 61.5 | |
| 82 | DUCOMMUN INC /DE/ | $21.1M | 0.4% | +14% | 34.1 | |
| 83 | Skyward Specialty Insurance Group, Inc. | $21.0M | 0.4% | +10% | 71.1 | |
| 84 | Willdan Group, Inc. | $20.8M | 0.4% | NEW | 63.7 | |
| 85 | A10 Networks, Inc. | $20.6M | 0.4% | +9% | 58.4 | |
| 86 | HEALTHEQUITY, INC. | $20.6M | 0.4% | +37% | 71.2 | |
| 87 | Super Group (SGHC) Ltd | $20.6M | 0.4% | +0% | — | |
| 88 | SPX Technologies, Inc. | $20.5M | 0.4% | +0% | 69.2 | |
| 89 | FORMFACTOR INC | $20.4M | 0.4% | NEW | 60 | |
| 90 | WATTS WATER TECHNOLOGIES INC | $19.9M | 0.4% | NEW | 64.5 | |
| 91 | OPENLANE, Inc. | $19.8M | 0.4% | NEW | 61 | |
| 92 | Q2 Holdings, Inc. | $19.7M | 0.4% | +4% | 63.8 | |
| 93 | BOX INC | $19.7M | 0.4% | -4% | 62 | |
| 94 | VSE CORP | $19.7M | 0.4% | +153% | 56.5 | |
| 95 | BENCHMARK ELECTRONICS INC | $19.6M | 0.4% | -2% | 47.7 | |
| 96 | NEW YORK TIMES CO | $19.4M | 0.4% | +31% | 68.2 | |
| 97 | ADVANCED ENERGY INDUSTRIES INC | $18.4M | 0.4% | +0% | 61.7 | |
| 98 | Eton Pharmaceuticals, Inc. | $18.2M | 0.4% | +14% | 67.5 | |
| 99 | Axogen, Inc. | $17.9M | 0.4% | +13% | 40.8 | |
| 100 | Fabrinet | $17.1M | 0.3% | +0% | 62.8 | |
| 101 | ARGAN INC | $16.9M | 0.3% | -37% | 81.4 | |
| 102 | Vistance Networks, Inc. | $16.6M | 0.3% | +19% | 33.8 | |
| 103 | TRIMAS CORP | $16.3M | 0.3% | NEW | 43.2 | |
| 104 | Zeta Global Holdings Corp. | $16.1M | 0.3% | -6% | 63.4 | |
| 105 | SEACOAST BANKING CORP OF FLORIDA | $15.9M | 0.3% | +26% | 62 | |
| 106 | INTERFACE INC | $15.9M | 0.3% | -0% | 58.9 | |
| 107 | Pediatrix Medical Group, Inc. | $15.8M | 0.3% | -11% | 56.2 | |
| 108 | ProPetro Holding Corp. | $15.7M | 0.3% | +14% | 41.8 | |
| 109 | Fastly, Inc. | $15.6M | 0.3% | -20% | 44.6 | |
| 110 | Matador Resources Co | $15.6M | 0.3% | +0% | 65.9 | |
| 111 | ONESPAWORLD HOLDINGS Ltd | $15.6M | 0.3% | +14% | — | |
| 112 | LEMAITRE VASCULAR INC | $15.2M | 0.3% | +7% | 66 | |
| 113 | CALIX, INC | $15.0M | 0.3% | +20% | 56.6 | |
| 114 | Arlo Technologies, Inc. | $14.7M | 0.3% | +11% | 56.4 | |
| 115 | INNODATA INC | $14.3M | 0.3% | NEW | 77.1 | |
| 116 | MAGNITE, INC. | $14.0M | 0.3% | +13% | 66.1 | |
| 117 | NICOLET BANKSHARES INC | $13.8M | 0.3% | +11% | 67.6 | |
| 118 | M/I HOMES, INC. | $13.4M | 0.3% | +9% | 47.9 | |
| 119 | Grand Canyon Education, Inc. | $13.2M | 0.3% | -21% | 65.2 | |
| 120 | IMAX CORP | $13.0M | 0.3% | -43% | 59.6 | |
| 121 | EPLUS INC | $12.6M | 0.3% | +10% | 49.9 | |
| 122 | Knowles Corp | $12.2M | 0.3% | +25% | 47.5 | |
| 123 | InterDigital, Inc. | $12.2M | 0.3% | +1% | 65 | |
| 124 | Boot Barn Holdings, Inc. | $12.0M | 0.3% | +7% | 62.6 | |
| 125 | LINDBLAD EXPEDITIONS HOLDINGS, INC. | $11.9M | 0.3% | +11% | 56.9 | |
| 126 | Magnolia Oil & Gas Corp | $11.7M | 0.2% | +0% | 67.3 | |
| 127 | V2X, Inc. | $11.0M | 0.2% | NEW | 53.9 | |
| 128 | Evolv Technologies Holdings, Inc. | $10.6M | 0.2% | +9% | 56.7 | |
| 129 | CorMedix Inc. | $10.4M | 0.2% | +9% | 78.6 | |
| 130 | GORMAN RUPP CO | $10.0M | 0.2% | +14% | 56.6 | |
| 131 | FB Financial Corp | $9.8M | 0.2% | +9% | 67 | |
| 132 | PHIBRO ANIMAL HEALTH CORP | $9.8M | 0.2% | +12% | 64.8 | |
| 133 | NPK International Inc. | $9.3M | 0.2% | +13% | 62.9 | |
| 134 | AMERICAN PUBLIC EDUCATION INC | $9.3M | 0.2% | +32% | 52.2 | |
| 135 | CATALYST PHARMACEUTICALS, INC. | $9.2M | 0.2% | -62% | 74 | |
| 136 | Addus HomeCare Corp | $9.0M | 0.2% | +1% | 64.2 | |
| 137 | Babcock & Wilcox Enterprises, Inc. | $8.9M | 0.2% | +26% | 47 | |
| 138 | RADWARE LTD | $8.8M | 0.2% | -0% | — | |
| 139 | Amprius Technologies, Inc. | $8.8M | 0.2% | +9% | 34.4 | |
| 140 | PRECISION DRILLING Corp | $8.5M | 0.2% | -2% | — | |
| 141 | KFORCE INC | $8.3M | 0.2% | NEW | 39.7 | |
| 142 | 1ST SOURCE CORP | $7.7M | 0.2% | +9% | 60.6 | |
| 143 | PC CONNECTION INC | $7.6M | 0.2% | +8% | 47.6 | |
| 144 | Red Violet, Inc. | $7.6M | 0.2% | +14% | 63 | |
| 145 | Bioventus Inc. | $6.7M | 0.1% | +13% | 59.9 | |
| 146 | EXPRO GROUP HOLDINGS N.V. | $6.7M | 0.1% | -1% | — | |
| 147 | Chefs' Warehouse, Inc. | $5.5M | 0.1% | NEW | 54.7 | |
| 148 | Vita Coco Company, Inc. | $5.5M | 0.1% | -46% | 63.1 | |
| 149 | ROCKY BRANDS, INC. | $4.9M | 0.1% | -0% | 52.2 | |
| 150 | SPDR S&P 500 ETF TRUST | $1.8M | 0.0% | +0% | — | |
| 151 | ACM Research, Inc. | $1.6M | 0.0% | +0% | 54 | |
| 152 | JPMORGAN CHASE & CO | $1.0M | 0.0% | +1% | 70.7 | |
| 153 | Apple Inc. | $1.0M | 0.0% | +0% | 76.4 | |
| 154 | MICROSOFT CORP | $994,098 | 0.0% | +0% | 79.8 | |
| 155 | MICRON TECHNOLOGY INC | $808,003 | 0.0% | +0% | 86.2 | |
| 156 | Alphabet Inc. | $679,074 | 0.0% | +0% | 78.2 | |
| 157 | Freshworks Inc. | $584,430 | 0.0% | +0% | 68.6 | |
| 158 | JOHNSON & JOHNSON | $583,522 | 0.0% | +0% | 69 | |
| 159 | Alphabet Inc. | $572,395 | 0.0% | +0% | 78.2 | |
| 160 | TRAVELERS COMPANIES, INC. | $522,568 | 0.0% | +0% | 75.9 | |
| 161 | AMGEN INC | $375,334 | 0.0% | +0% | 79.2 | |
| 162 | Bank of New York Mellon Corp | $363,124 | 0.0% | +0% | 74.1 | |
| 163 | CATERPILLAR INC | $349,627 | 0.0% | -20% | 66.5 | |
| 164 | Mastercard Inc | $339,969 | 0.0% | +0% | 85.1 | |
| 165 | H World Group Ltd | $333,760 | 0.0% | -67% | — | |
| 166 | INTEL CORP | $323,143 | 0.0% | NEW | 45.6 | |
| 167 | RESMED INC | $282,576 | 0.0% | +0% | 74.3 | |
| 168 | NEWMONT Corp /DE/ | $268,629 | 0.0% | +0% | 86.8 | |
| 169 | WELLS FARGO & COMPANY/MN | $260,325 | 0.0% | +0% | 61.8 | |
| 170 | Walmart Inc. | $242,224 | 0.0% | +0% | 60.2 | |
| 171 | AFLAC INC | $234,500 | 0.0% | +0% | 61.3 | |
| 172 | MCDONALDS CORP | $231,448 | 0.0% | +0% | 69 | |
| 173 | FREEPORT-MCMORAN INC | $225,945 | 0.0% | +0% | 62 | |
| 174 | Merck & Co., Inc. | $222,305 | 0.0% | +0% | 59.9 | |
| 175 | ELI LILLY & Co | $219,496 | 0.0% | NEW | 87.5 | |
| 176 | — | Xenacare Hldgs, Inc. - COM | $0 | 0.0% | +0% | — |
New Positions (22)
Exited Positions (26)
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