13F-HR filed by OBERWEIS ASSET MANAGEMENT INC/
OBERWEIS ASSET MANAGEMENT INC/ filed this 13F-HR for the quarter ended 2025-03-31, filed 2025-05-15, with 192 holding rows worth $2,006,310,493.
- Accession
- 0001213900-25-043859
- Filer
- CIK 937886
- Filed
- 2025-05-15
- Accepted by EDGAR
- acceptance time not in the bulk data set
- Ingested
- Source
- SEC quarterly data set
13F report for Q1 2025
A holdings report, 192 entries on the cover page, a total value of $2,006,310,493 stated on the cover page (in dollars after the unit check, H1), rows summing to $2,006,310,493 with VALUE read as dollars as filed, 13F file number 028-04688. The quarter's positions are built on this report. The resolved quarter.
The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).
| Issuer as filed | CUSIP | Class | Amount | Value | Value read as | Type |
|---|---|---|---|---|---|---|
| ADMA BIOLOGICS INC | 000899104 | COM | 3,426,260 | $67,976,998 | dollars as filed | |
| CREDO TECHNOLOGY GROUP HOLDING ORDINARY SHARES | G25457105 | Stock | 1,259,915 | $50,598,186 | dollars as filed | |
| SHARKNINJA INC COM SHS | G8068L108 | Stock | 500,160 | $41,718,346 | dollars as filed | |
| ENCOMPASS HEALTH CORP COM | 29261A100 | Stock | 370,720 | $37,546,487 | dollars as filed | |
| DOXIMITY INC CL A | 26622P107 | Stock | 584,060 | $33,893,002 | dollars as filed | |
| AMBARELLA INC | G037AX101 | SHS | 568,825 | $28,628,962 | dollars as filed | |
| ITRON INC COM | 465741106 | Stock | 272,510 | $28,548,148 | dollars as filed | |
| SKYWEST INC COM | 830879102 | Stock | 319,150 | $27,884,136 | dollars as filed | |
| WAYSTAR HLDG CORP | 946784105 | COM | 713,040 | $26,639,174 | dollars as filed | |
| GENPACT LIMITED SHS | G3922B107 | Stock | 523,600 | $26,378,968 | dollars as filed | |
| RAMBUS INC DEL COM | 750917106 | Stock | 507,350 | $26,268,046 | dollars as filed | |
| STRIDE INC | 86333M108 | COM | 207,300 | $26,223,450 | dollars as filed | |
| DORMAN PRODS INC | 258278100 | COM | 208,520 | $25,135,001 | dollars as filed | |
| FLOWSERVE CORP | 34354P105 | COM | 513,184 | $25,063,891 | dollars as filed | |
| ZETA GLOBAL HOLDINGS CORP CL A | 98956A105 | Stock | 1,843,240 | $24,994,334 | dollars as filed | |
| SPORTRADAR GROUP AG | H8088L103 | COM | 1,144,700 | $24,748,414 | dollars as filed | |
| FRESHWORKS INC CLASS A COM | 358054104 | Stock | 1,728,520 | $24,389,417 | dollars as filed | |
| LIFE TIME GROUP HOLDINGS INC COMMON STOCK | 53190C102 | Stock | 797,000 | $24,069,400 | dollars as filed | |
| MACOM TECH SOLUTIONS HLDGS INC COM | 55405Y100 | Stock | 232,520 | $23,340,358 | dollars as filed | |
| FRONTDOOR INC COM | 35905A109 | Stock | 599,460 | $23,031,253 | dollars as filed | |
| VERACYTE INC COM | 92337F107 | Stock | 769,350 | $22,811,228 | dollars as filed | |
| PRIMO BRANDS CORPORATION CLASS A COM SHS | 741623102 | Stock | 632,400 | $22,443,876 | dollars as filed | |
| MERIT MED SYS INC COM | 589889104 | Stock | 208,560 | $22,046,878 | dollars as filed | |
| CLEAN HARBORS INC COM | 184496107 | Stock | 110,320 | $21,744,072 | dollars as filed | |
| ICU MED INC | 44930G107 | COM | 155,690 | $21,619,113 | dollars as filed | |
| APPLIED OPTOELECTRONICS INC | 03823U102 | COM | 1,384,841 | $21,257,309 | dollars as filed | |
| ACI WORLDWIDE INC COM | 004498101 | Stock | 386,202 | $21,129,111 | dollars as filed | |
| NOVA LTD COM | M7516K103 | Stock | 111,000 | $20,460,630 | dollars as filed | |
| BELLRING BRANDS INC COMMON STOCK | 07831C103 | Stock | 273,300 | $20,349,918 | dollars as filed | |
| DIGITALOCEAN HLDGS INC COM | 25402D102 | Stock | 586,500 | $19,583,235 | dollars as filed | |
| OSI SYSTEMS INC | 671044105 | COM | 100,400 | $19,511,736 | dollars as filed | |
| Q2 HLDGS INC COM | 74736L109 | Stock | 242,990 | $19,441,630 | dollars as filed | |
| DECKERS OUTDOOR CORP | 243537107 | COM | 169,870 | $18,993,165 | dollars as filed | |
| BOX INC CL A | 10316T104 | Stock | 597,100 | $18,426,506 | dollars as filed | |
| MERCURY SYS INC COM | 589378108 | Stock | 412,300 | $17,766,007 | dollars as filed | |
| MR COOPER GROUP INC | 62482R107 | COM | 147,100 | $17,593,160 | dollars as filed | |
| PARSONS CORP DEL COM | 70202L102 | Stock | 291,460 | $17,257,347 | dollars as filed | |
| ASSURANT INC COM | 04621X108 | Stock | 81,000 | $16,989,750 | dollars as filed | |
| FEDERAL SIGNAL CORP | 313855108 | COM | 229,830 | $16,903,997 | dollars as filed | |
| COMMVAULT SYS INC COM | 204166102 | Stock | 107,000 | $16,880,320 | dollars as filed | |
| GAP INC COM | 364760108 | Stock | 817,600 | $16,850,736 | dollars as filed | |
| FABRINET SHS | G3323L100 | Stock | 84,600 | $16,709,346 | dollars as filed | |
| CENTURY COMMUNITIES INC. | 156504300 | COM | 248,000 | $16,640,800 | dollars as filed | |
| SPROUTS FMRS MKT INC COM | 85208M102 | Stock | 108,500 | $16,561,440 | dollars as filed | |
| BRIGHT HORIZONS FAM SOL IN DEL COM | 109194100 | Stock | 129,904 | $16,503,004 | dollars as filed | |
| CLEAR SECURE INC | 18467V109 | COM CL A | 609,400 | $15,789,554 | dollars as filed | |
| ONTO INNOVATION INC COM | 683344105 | Stock | 129,175 | $15,674,095 | dollars as filed | |
| ARCOSA INC COM | 039653100 | Stock | 203,000 | $15,655,360 | dollars as filed | |
| GRAND CANYON ED INC COM | 38526M106 | Stock | 88,700 | $15,346,874 | dollars as filed | |
| IMAX CORP | 45245E109 | COM | 579,600 | $15,272,460 | dollars as filed | |
| CARPENTER TECHNOLOGY CORP | 144285103 | COM | 81,411 | $14,749,998 | dollars as filed | |
| CARGURUS INC COM CL A | 141788109 | Stock | 500,000 | $14,565,000 | dollars as filed | |
| DOLBY LABORATORIES INC COM CL A | 25659T107 | Stock | 181,000 | $14,536,110 | dollars as filed | |
| PRIMORIS SVCS CORP COM | 74164F103 | Stock | 242,900 | $13,944,889 | dollars as filed | |
| PEGASYSTEMS INC COM | 705573103 | Stock | 195,400 | $13,584,208 | dollars as filed | |
| DUTCH BROS INC | 26701L100 | CL A | 219,000 | $13,521,060 | dollars as filed | |
| CELLEBRITE DI LTD ORDINARY SHARES | M2197Q107 | Stock | 692,910 | $13,463,241 | dollars as filed | |
| ULTRA CLEAN HLDGS INC COM | 90385V107 | Stock | 613,300 | $13,130,753 | dollars as filed | |
| CABOT CORP | 127055101 | COM | 152,800 | $12,703,792 | dollars as filed | |
| AAR CORP | 000361105 | COM | 220,000 | $12,317,800 | dollars as filed | |
| AMERICAN SUPERCONDUCTOR CORP | 030111207 | SHS NEW | 668,200 | $12,121,148 | dollars as filed | |
| CAMTEK LTD ORD | M20791105 | Stock | 199,980 | $11,724,827 | dollars as filed | |
| OMNICELL COM COM | 68213N109 | Stock | 333,200 | $11,648,672 | dollars as filed | |
| BLUE BIRD CORP | 095306106 | COM | 358,900 | $11,617,593 | dollars as filed | |
| CATALYST PHARMACEUTICALS INC | 14888U101 | COM | 467,600 | $11,339,300 | dollars as filed | |
| GENEDX HOLDINGS CORP | 81663L200 | COM CL A | 123,500 | $10,937,778 | dollars as filed | |
| NOV INC | 62955J103 | COM | 716,400 | $10,903,608 | dollars as filed | |
| RUSH STREET INTERACTIVE INC | 782011100 | COM | 991,900 | $10,633,168 | dollars as filed | |
| COMMERCE BANCSHARES INC | 200525103 | COM | 167,790 | $10,441,572 | dollars as filed | |
| EZCORP INC | 302301106 | CL A NON VTG | 685,500 | $10,090,560 | dollars as filed | |
| UNDER ARMOUR INC | 904311107 | CL A | 1,593,200 | $9,957,500 | dollars as filed | |
| FIVE9 INC | 338307101 | COM | 366,600 | $9,953,190 | dollars as filed | |
| SPX TECHNOLOGIES INC | 78473E103 | COM | 75,400 | $9,710,012 | dollars as filed | |
| DUOLINGO INC CL A COM | 26603R106 | Stock | 31,000 | $9,626,740 | dollars as filed | |
| PLAYA HOTELS & RESORTS NV | N70544106 | SHS | 705,100 | $9,398,983 | dollars as filed | |
| HEALTHEQUITY INC COM | 42226A107 | Stock | 105,900 | $9,358,383 | dollars as filed | |
| MAGNOLIA OIL & GAS CORP | 559663109 | CL A | 369,200 | $9,325,992 | dollars as filed | |
| SILICON MOTION TECHNOLOGY CORP SPONSORED ADR | 82706C108 | ADR | 183,100 | $9,257,536 | dollars as filed | |
| QUALYS INC COM | 74758T303 | Stock | 72,100 | $9,079,553 | dollars as filed | |
| EXLSERVICE HLDGS INC COM | 302081104 | Stock | 190,800 | $9,007,668 | dollars as filed | |
| MATADOR RES CO COM | 576485205 | Stock | 175,300 | $8,956,077 | dollars as filed | |
| WEAVE COMMUNICATIONS INC | 94724R108 | COM | 779,200 | $8,641,328 | dollars as filed | |
| ARGAN INC | 04010E109 | COM | 65,790 | $8,629,674 | dollars as filed | |
| LEMAITRE VASCULAR INC | 525558201 | COM | 102,065 | $8,563,258 | dollars as filed | |
| KRYSTAL BIOTECH INC COM | 501147102 | Stock | 46,800 | $8,438,040 | dollars as filed | |
| INTERFACE INC | 458665304 | COM | 425,300 | $8,437,952 | dollars as filed | |
| FIRSTCASH HOLDINGS INC | 33768G107 | COM | 70,100 | $8,434,432 | dollars as filed | |
| ONESPAN INC | 68287N100 | COM | 546,350 | $8,331,838 | dollars as filed | |
| AMERIS BANCORP | 03076K108 | COM | 144,100 | $8,295,837 | dollars as filed | |
| LIMBACH HLDGS INC | 53263P105 | COM | 110,800 | $8,251,276 | dollars as filed | |
| EVOLUS INC | 30052C107 | COM | 677,600 | $8,151,528 | dollars as filed | |
| PEDIATRIX MEDICAL GROUP INC | 58502B106 | COM | 545,600 | $7,905,744 | dollars as filed | |
| GRID DYNAMICS HLDGS INC | 39813G109 | CL A | 503,000 | $7,871,950 | dollars as filed | |
| SOLARIS ENERGY INFRAS INC COM CL A | 83418M103 | Stock | 360,000 | $7,833,600 | dollars as filed | |
| ONESPAWORLD HOLDINGS LIMITED | P73684113 | COM | 465,400 | $7,814,066 | dollars as filed | |
| BOOT BARN HLDGS INC | 099406100 | COM | 72,700 | $7,810,161 | dollars as filed | |
| TUTOR PERINI CORP | 901109108 | COM | 336,200 | $7,793,116 | dollars as filed | |
| ICHOR HOLDINGS | G4740B105 | SHS | 337,800 | $7,637,658 | dollars as filed | |
| CAREDX INC | 14167L103 | COM | 423,271 | $7,513,060 | dollars as filed | |
| OSCAR HEALTH INC | 687793109 | CL A | 568,330 | $7,450,806 | dollars as filed | |
| DESPEGAR COM CORP | G27358103 | ORD SHS | 389,300 | $7,314,947 | dollars as filed | |
| SPS COMM INC COM | 78463M107 | Stock | 54,800 | $7,273,604 | dollars as filed | |
| FIRST MERCHANTS CORP COM | 320817109 | Stock | 178,400 | $7,214,496 | dollars as filed | |
| VITA COCO CO INC | 92846Q107 | COM | 230,000 | $7,049,500 | dollars as filed | |
| VSE CORP COM | 918284100 | Stock | 58,600 | $7,031,414 | dollars as filed | |
| ARIS WATER SOLUTIONS INC | 04041L106 | CLASS A COM | 219,189 | $7,022,822 | dollars as filed | |
| VARONIS SYS INC | 922280102 | COM | 173,300 | $7,009,985 | dollars as filed | |
| SKYWARD SPECIALTY INS GROUP | 830940102 | COM | 131,600 | $6,964,272 | dollars as filed | |
| ACM RESH INC COM CL A | 00108J109 | Stock | 296,948 | $6,930,766 | dollars as filed | |
| INTERDIGITAL INC COM | 45867G101 | Stock | 33,000 | $6,822,750 | dollars as filed | |
| M/I HOMES INC | 55305B101 | COM | 58,200 | $6,645,276 | dollars as filed | |
| BLUEPRINT MEDICINES CORP | 09627Y109 | COM | 75,000 | $6,638,250 | dollars as filed | |
| FIVE BELOW INC COM | 33829M101 | Stock | 85,000 | $6,368,625 | dollars as filed | |
| SWEETGREEN INC | 87043Q108 | COM CL A | 250,101 | $6,257,527 | dollars as filed | |
| NICOLET BANKSHARES INC | 65406E102 | COM | 55,200 | $6,014,592 | dollars as filed | |
| RADWARE LTD | M81873107 | COMMON STOCK | 274,700 | $5,939,014 | dollars as filed | |
| ADDUS HOMECARE CORP | 006739106 | COM | 59,900 | $5,923,511 | dollars as filed | |
| POWERFLEET INC | 73931J109 | COMMON STOCK | 1,068,800 | $5,867,712 | dollars as filed | |
| MALIBU BOATS INC A | 56117J100 | COMMON STOCK | 190,900 | $5,856,812 | dollars as filed | |
| HURON CONSULTING GROUP INC | 447462102 | COM | 40,500 | $5,809,725 | dollars as filed | |
| KIRBY CORP | 497266106 | COM | 56,950 | $5,752,520 | dollars as filed | |
| FB FINL CORP | 30257X104 | COM | 123,500 | $5,725,460 | dollars as filed | |
| AXOGEN INC | 05463X106 | COM | 300,500 | $5,559,250 | dollars as filed | |
| DUCOMMUN INC DEL | 264147109 | COM | 95,700 | $5,553,471 | dollars as filed | |
| BIOVENTUS INC | 09075A108 | COM CL A | 601,714 | $5,505,683 | dollars as filed | |
| REV Group Inc | 749527107 | Common Stock | 172,600 | $5,454,160 | dollars as filed | |
| NATURAL GROCERS BY VITAMIN C | 63888U108 | COMMON STOCK | 132,702 | $5,334,631 | dollars as filed | |
| KINIKSA PHARMACEUTICALS INTL P ORD SHS CL A | G52694109 | Stock | 237,200 | $5,268,212 | dollars as filed | |
| CRA INTL INC | 12618T105 | COM | 30,000 | $5,196,000 | dollars as filed | |
| VERINT SYS INC | 92343X100 | COM | 274,100 | $4,892,685 | dollars as filed | |
| ATRICURE INC | 04963C209 | COM | 151,500 | $4,887,390 | dollars as filed | |
| MANNKIND CORP COM NEW | 56400P706 | Stock | 968,400 | $4,871,052 | dollars as filed | |
| EMPLOYERS HOLDINGS INC | 292218104 | COMMON STOCK | 96,100 | $4,866,504 | dollars as filed | |
| HAWKINS INC | 420261109 | COM | 45,700 | $4,840,544 | dollars as filed | |
| QUINSTREET INC | 74874Q100 | COM | 262,800 | $4,688,352 | dollars as filed | |
| ARTIVION INC | 228903100 | COM | 190,400 | $4,680,032 | dollars as filed | |
| DELCATH SYSTEMS INC | 24661P807 | COMMON STOCK | 362,200 | $4,610,806 | dollars as filed | |
| WILLDAN GROUP INC | 96924N100 | COM | 110,100 | $4,483,272 | dollars as filed | |
| FARO TECHNOLOGIES INC | 311642102 | COM | 163,000 | $4,449,900 | dollars as filed | |
| CLEARWATER PAPER CORP | 18538R103 | COM | 175,200 | $4,444,824 | dollars as filed | |
| ALPHA & OMEGA SEMICONDUCTOR | G6331P104 | SHS | 177,700 | $4,417,622 | dollars as filed | |
| 1ST SOURCE CORP COM | 336901103 | Stock | 73,500 | $4,396,035 | dollars as filed | |
| ANI PHARMACEUTICALS INC | 00182C103 | COM | 65,600 | $4,391,920 | dollars as filed | |
| AVEPOINT INC COM CL A | 053604104 | Stock | 296,300 | $4,278,572 | dollars as filed | |
| ARDELYX INC | 039697107 | COM | 851,900 | $4,182,829 | dollars as filed | |
| HELIX ENERGY SOLUTIONS GRP INC COM | 42330P107 | Stock | 501,700 | $4,169,127 | dollars as filed | |
| LIQUIDIA CORPORATION COM NEW | 53635D202 | Stock | 250,900 | $3,700,775 | dollars as filed | |
| IBEX LTD | G4690M101 | COMMON STOCK | 148,700 | $3,620,845 | dollars as filed | |
| Vital Energy Inc | 516806205 | Common Stock | 168,700 | $3,579,814 | dollars as filed | |
| RPC INC | 749660106 | COMMON STOCK | 629,169 | $3,460,428 | dollars as filed | |
| RED VIOLET INC | 75704L104 | COMMON STOCK | 85,300 | $3,206,427 | dollars as filed | |
| GORMAN RUPP CO COM | 383082104 | Stock | 90,900 | $3,190,590 | dollars as filed | |
| PRECISION DRILLING CORP COM NEW | 74022D407 | Stock | 68,400 | $3,188,808 | dollars as filed | |
| STERLING INFRASTRUCTURE INC COM | 859241101 | Stock | 27,300 | $3,090,633 | dollars as filed | |
| LINCOLN EDL SVCS CORP | 533535100 | COM | 189,600 | $3,008,952 | dollars as filed | |
| CORMEDIX INC COM | 21900C308 | Stock | 485,000 | $2,987,600 | dollars as filed | |
| LSI INDUSTRIES INC | 50216C108 | COMMON STOCK | 169,200 | $2,876,400 | dollars as filed | |
| POWELL INDS INC | 739128106 | COM | 16,800 | $2,861,544 | dollars as filed | |
| SPOTIFYTECHNOLOGYSAF | L8681T102 | STOK | 5,000 | $2,750,150 | dollars as filed | |
| Matrix Service Company | 576853105 | COM | 221,075 | $2,747,962 | dollars as filed | |
| CLIMB GLOBAL SOLUTIONS INC | 946760105 | COMMON STOCK | 24,000 | $2,658,240 | dollars as filed | |
| BACKBLAZE INC A | 05637B105 | COMMON STOCK | 538,700 | $2,601,921 | dollars as filed | |
| LINDBLAD EXPEDITIONS HLDGS I | 535219109 | COM | 266,000 | $2,465,820 | dollars as filed | |
| MAGNITE INC COM | 55955D100 | Stock | 205,700 | $2,347,037 | dollars as filed | |
| CADENCE DESIGN SYSTEM INC COM | 127387108 | Stock | 7,300 | $1,856,609 | dollars as filed | |
| SEA LTD | 81141R100 | SPONSORD ADS | 11,500 | $1,500,635 | dollars as filed | |
| SPY | 78462F103 | SHS | 2,163 | $1,210,152 | dollars as filed | |
| FUTU HLDGS LTD SPON ADS CL A | 36118L106 | ADR | 11,400 | $1,166,790 | dollars as filed | |
| PDD HOLDINGS INC SPONSORED ADS | 722304102 | ADR | 9,000 | $1,065,150 | dollars as filed | |
| Microsoft Corp | 594918104 | COM | 2,685 | $1,007,922 | dollars as filed | |
| Apple Inc | 037833100 | COM | 4,011 | $890,939 | dollars as filed | |
| JPMorgan Chase & Co | 46625H100 | COM | 3,518 | $862,871 | dollars as filed | |
| GDS HLDGS LTD SPONSORED ADS | 36165L108 | ADR | 27,500 | $696,575 | dollars as filed | |
| MAKEMYTRIP LIMITED MAURITIUS SHS | V5633W109 | Stock | 6,350 | $622,237 | dollars as filed | |
| FULL TRUCK ALLIANCE CO LTD SPONSORED ADS | 35969L108 | ADR | 45,000 | $574,650 | dollars as filed | |
| TAL ED GROUP SPONSORED ADS | 874080104 | ADR | 40,000 | $528,400 | dollars as filed | |
| TRAVELERS COMPANIES INC COM | 89417E109 | Stock | 1,915 | $506,437 | dollars as filed | |
| LIVANOVA PLC | G5509L101 | SHS | 10,835 | $425,599 | dollars as filed | |
| HESAI GROUP | 428050108 | SPONSORED ADS | 28,000 | $414,400 | dollars as filed | |
| MasterCard, Inc | 57636Q104 | COM | 711 | $389,802 | dollars as filed | |
| Johnson & Johnson | 478160104 | COM | 2,119 | $351,489 | dollars as filed | |
| RESMED INC COM | 761152107 | Stock | 1,450 | $324,583 | dollars as filed | |
| Amgen Inc. | 031162100 | COM | 1,033 | $321,791 | dollars as filed | |
| Alphabet Inc. Reg. Shares A | 02079K305 | COM | 1,900 | $293,816 | dollars as filed | |
| McDonalds Corporation | 580135101 | COM | 849 | $265,295 | dollars as filed | |
| Alphabet Inc. Reg. Shares C | 02079K107 | COM | 1,620 | $253,093 | dollars as filed | |
| BANK OF NY MELLON CORP COM | 064058100 | Stock | 2,946 | $247,062 | dollars as filed | |
| Walmart Inc. | 931142103 | COM | 2,606 | $228,764 | dollars as filed | |
| AFLAC INC COM | 001055102 | Stock | 2,000 | $222,380 | dollars as filed | |
| Tuya Inc | 90114C107 | COM | 33,000 | $99,990 | dollars as filed | |
| VNET GROUP INC | 90138A103 | SPONSORED ADS A | 10,000 | $82,000 | dollars as filed | |
| Xenacare Hldgs, Inc. | 98401A106 | COM | 140,000 | $0 | dollars as filed | Value filed as zero, left out of ratios. |
Amendment chain
| Filing | Role | Filed | Accepted | Ingested |
|---|---|---|---|---|
| 13F-HR 0001213900-25-043859 | this filing | 2025-05-15 | acceptance time not in the bulk data set |