Oberweis Asset Management
Latest statistics and disclosures from Oberweis Asset Management's latest quarterly 13F-HR filing:
- Top 5 stock holdings are CSTM, WFRD, ACLS, ONTO, ATEC, and represent 9.21% of Oberweis Asset Management's stock portfolio.
- Added to shares of these 10 stocks: SN (+$15M), CCS (+$12M), ITRI (+$12M), ONTO (+$11M), SLAB (+$11M), AZEK (+$11M), SIMO (+$11M), SKYW (+$8.9M), CBT (+$8.5M), IBP (+$7.9M).
- Started 33 new stock positions in SG, SFM, AXGN, TME, BZ, CBT, AZEK, CRDO, RSI, SLAB.
- Reduced shares in these 10 stocks: PERI (-$14M), BELFB (-$8.3M), POWI (-$8.1M), , , , , ATGE (-$5.1M), Rover Group (-$5.1M), .
- Sold out of its positions in ATGE, ATRC, BELFB, CDRE, CAL, Carrols Restaurant, CRK, DADA, PLUS, FSLY.
- Oberweis Asset Management was a net buyer of stock by $244M.
- Oberweis Asset Management has $1.4B in assets under management (AUM), dropping by 28.79%.
- Central Index Key (CIK): 0000937886
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Portfolio Holdings for Oberweis Asset Management
Oberweis Asset Management holds 196 positions in its portfolio as reported in the March 2024 quarterly 13F filing
Company (Ticker) | Portfolio Weight | Valued At | Change in Shares | Share Count | Share Price | |
---|---|---|---|---|---|---|
Constellium Se cl a (CSTM) | 2.9 | $40M | -2% | 1.8M | 22.11 |
|
Weatherford Intl Ordf (WFRD) | 1.9 | $26M | -7% | 222k | 115.42 |
|
Axcelis Technologies (ACLS) | 1.7 | $23M | -14% | 209k | 111.52 |
|
Onto Innovation (ONTO) | 1.4 | $19M | +139% | 107k | 181.08 |
|
Alphatec Holdings (ATEC) | 1.4 | $19M | -13% | 1.4M | 13.79 |
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Vertiv Holdings Llc vertiv holdings (VRT) | 1.4 | $19M | 230k | 81.67 |
|
|
Adma Biologics (ADMA) | 1.3 | $18M | +2% | 2.8M | 6.60 |
|
Amphastar Pharmaceuticals (AMPH) | 1.3 | $18M | +22% | 418k | 43.91 |
|
SkyWest (SKYW) | 1.3 | $18M | +96% | 262k | 69.08 |
|
Encompass Health Corp (EHC) | 1.2 | $17M | +40% | 204k | 82.58 |
|
Silicon Motion Technology (SIMO) | 1.2 | $17M | +184% | 217k | 76.94 |
|
Oshkosh Corporation (OSK) | 1.2 | $17M | +35% | 134k | 124.71 |
|
Clean Harbors (CLH) | 1.2 | $16M | +42% | 81k | 201.31 |
|
AeroVironment (AVAV) | 1.1 | $16M | +45% | 102k | 153.28 |
|
Camtek (CAMT) | 1.1 | $15M | +2% | 178k | 83.77 |
|
Veracyte (VCYT) | 1.1 | $15M | +2% | 672k | 22.16 |
|
Ultra Clean Holdings (UCTT) | 1.1 | $15M | +29% | 320k | 45.94 |
|
Transmedics Group (TMDX) | 1.1 | $15M | -6% | 198k | 73.94 |
|
Sharkninja (SN) | 1.1 | $15M | NEW | 235k | 62.29 |
|
ICF International (ICFI) | 1.1 | $15M | +46% | 97k | 150.63 |
|
Esab Corporation (ESAB) | 1.0 | $14M | +63% | 129k | 110.57 |
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Parsons Corporation (PSN) | 1.0 | $14M | +29% | 172k | 82.95 |
|
Crocs (CROX) | 1.0 | $14M | +90% | 95k | 143.80 |
|
Nextracker (NXT) | 1.0 | $13M | +128% | 236k | 56.27 |
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Universal Display Corporation (OLED) | 0.9 | $13M | +16% | 77k | 168.45 |
|
Zeta Global Holdings Corp (ZETA) | 0.9 | $13M | +26% | 1.2M | 10.93 |
|
Acm Research (ACMR) | 0.9 | $13M | +12% | 441k | 29.14 |
|
Flowserve Corporation (FLS) | 0.9 | $13M | +11% | 274k | 45.68 |
|
Haemonetics Corporation (HAE) | 0.9 | $12M | +35% | 144k | 85.35 |
|
Acadia Healthcare (ACHC) | 0.9 | $12M | +68% | 152k | 79.22 |
|
Aehr Test Systems (AEHR) | 0.9 | $12M | -11% | 968k | 12.40 |
|
Merit Medical Systems (MMSI) | 0.9 | $12M | +46% | 157k | 75.75 |
|
Applied Optoelectronics (AAOI) | 0.9 | $12M | -4% | 850k | 13.86 |
|
Century Communities (CCS) | 0.8 | $12M | NEW | 121k | 96.50 |
|
Firstcash Holdings (FCFS) | 0.8 | $12M | +23% | 92k | 127.54 |
|
Itron (ITRI) | 0.8 | $12M | NEW | 126k | 92.52 |
|
NeoGenomics (NEO) | 0.8 | $12M | +87% | 737k | 15.72 |
|
Blue Bird Corp (BLBD) | 0.8 | $12M | +4% | 299k | 38.34 |
|
ACI Worldwide (ACIW) | 0.8 | $11M | +138% | 345k | 33.21 |
|
Livanova Plc Ord (LIVN) | 0.8 | $11M | +172% | 203k | 55.94 |
|
Integer Hldgs (ITGR) | 0.8 | $11M | +36% | 97k | 116.68 |
|
Axonics Modulation Technolog (AXNX) | 0.8 | $11M | -8% | 164k | 68.97 |
|
Silicon Laboratories (SLAB) | 0.8 | $11M | NEW | 78k | 143.72 |
|
Evolent Health (EVH) | 0.8 | $11M | +57% | 339k | 32.79 |
|
Azek (AZEK) | 0.8 | $11M | NEW | 221k | 50.22 |
|
Federal Signal Corporation (FSS) | 0.8 | $11M | +29% | 128k | 84.87 |
|
Informatica (INFA) | 0.8 | $11M | +69% | 309k | 35.00 |
|
FormFactor (FORM) | 0.8 | $11M | +48% | 237k | 45.63 |
|
CECO Environmental (CECO) | 0.8 | $11M | +8% | 463k | 23.02 |
|
Sterling Construction Company (STRL) | 0.8 | $11M | +9% | 97k | 110.31 |
|
Clear Secure (YOU) | 0.8 | $11M | +64% | 501k | 21.27 |
|
International Seaways (INSW) | 0.8 | $11M | +110% | 199k | 53.20 |
|
Woodward Governor Company (WWD) | 0.8 | $11M | +31% | 68k | 154.12 |
|
Janus International Group In (JBI) | 0.8 | $11M | +31% | 695k | 15.13 |
|
Liveramp Holdings (RAMP) | 0.7 | $10M | +112% | 296k | 34.50 |
|
Veeco Instruments (VECO) | 0.7 | $9.5M | +12% | 269k | 35.17 |
|
Primoris Services (PRIM) | 0.6 | $8.9M | 210k | 42.57 |
|
|
Deckers Outdoor Corporation (DECK) | 0.6 | $8.9M | -21% | 9.4k | 941.26 |
|
Frontdoor (FTDR) | 0.6 | $8.6M | -2% | 263k | 32.58 |
|
American Superconductor (AMSC) | 0.6 | $8.6M | +68% | 634k | 13.51 |
|
Elf Beauty (ELF) | 0.6 | $8.6M | +53% | 44k | 196.03 |
|
Msa Safety Inc equity (MSA) | 0.6 | $8.6M | +57% | 44k | 193.59 |
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Grocery Outlet Hldg Corp (GO) | 0.6 | $8.5M | +112% | 296k | 28.78 |
|
Spx Corp (SPXC) | 0.6 | $8.5M | -5% | 69k | 123.13 |
|
Cabot Corporation (CBT) | 0.6 | $8.5M | NEW | 92k | 92.20 |
|
Assurant (AIZ) | 0.6 | $8.5M | +46% | 45k | 188.24 |
|
Quaker Chemical Corporation (KWR) | 0.6 | $8.3M | +50% | 41k | 205.25 |
|
OSI Systems (OSIS) | 0.6 | $7.9M | +56% | 55k | 142.82 |
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Installed Bldg Prods (IBP) | 0.6 | $7.9M | NEW | 30k | 258.73 |
|
Ez (EZPW) | 0.6 | $7.8M | +4% | 686k | 11.33 |
|
Aviat Networks (AVNW) | 0.6 | $7.6M | +54% | 199k | 38.34 |
|
Maximus (MMS) | 0.5 | $7.5M | +48% | 90k | 83.90 |
|
Wingstop (WING) | 0.5 | $7.3M | +25% | 20k | 366.40 |
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Catalyst Pharmaceutical Partners (CPRX) | 0.5 | $7.3M | +31% | 458k | 15.94 |
|
Preferred Bank, Los Angeles (PFBC) | 0.5 | $7.3M | +6% | 95k | 76.77 |
|
Playa Hotels & Resorts Nv (PLYA) | 0.5 | $7.3M | +7% | 752k | 9.70 |
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Allegheny Technologies Incorporated (ATI) | 0.5 | $7.3M | +38% | 142k | 51.17 |
|
Photronics (PLAB) | 0.5 | $7.3M | +3% | 256k | 28.32 |
|
Weave Communications (WEAV) | 0.5 | $7.0M | 609k | 11.48 |
|
|
Limbach Hldgs (LMB) | 0.5 | $6.8M | +65% | 165k | 41.42 |
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Credo Technology Group Holding (CRDO) | 0.5 | $6.8M | NEW | 322k | 21.19 |
|
Inter Parfums (IPAR) | 0.5 | $6.8M | 48k | 140.51 |
|
|
Rxsight (RXST) | 0.5 | $6.5M | +52% | 127k | 51.58 |
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RPC (RES) | 0.5 | $6.5M | -2% | 839k | 7.74 |
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Monarch Casino & Resort (MCRI) | 0.5 | $6.5M | +47% | 86k | 74.99 |
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G-III Apparel (GIII) | 0.5 | $6.4M | +12% | 221k | 29.01 |
|
Krystal Biotech (KRYS) | 0.5 | $6.4M | NEW | 36k | 177.93 |
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Comfort Systems USA (FIX) | 0.5 | $6.3M | +11% | 20k | 317.71 |
|
Petiq (PETQ) | 0.5 | $6.2M | +11% | 341k | 18.28 |
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Modine Manufacturing (MOD) | 0.4 | $6.1M | -25% | 65k | 95.19 |
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Abercrombie & Fitch (ANF) | 0.4 | $6.0M | -12% | 48k | 125.33 |
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Trex Company (TREX) | 0.4 | $6.0M | +49% | 60k | 99.75 |
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CryoLife (AORT) | 0.4 | $6.0M | +9% | 282k | 21.16 |
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Allegro Microsystems Ord (ALGM) | 0.4 | $6.0M | -14% | 221k | 26.96 |
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Primo Water (PRMW) | 0.4 | $5.9M | +34% | 324k | 18.21 |
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Grand Canyon Education (LOPE) | 0.4 | $5.9M | +61% | 43k | 136.21 |
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Upwork (UPWK) | 0.4 | $5.8M | +18% | 469k | 12.26 |
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Laredo Petroleum (VTLE) | 0.4 | $5.7M | +9% | 109k | 52.54 |
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Dynavax Technologies (DVAX) | 0.4 | $5.7M | +10% | 463k | 12.41 |
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Evolus (EOLS) | 0.4 | $5.6M | +6% | 397k | 14.00 |
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Onespaworld Holdings Ltd onespaworld hold (OSW) | 0.4 | $5.6M | +69% | 420k | 13.23 |
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Matador Resources (MTDR) | 0.4 | $5.5M | +56% | 82k | 66.77 |
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LeMaitre Vascular (LMAT) | 0.4 | $5.3M | +22% | 80k | 66.36 |
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VSE Corporation (VSEC) | 0.4 | $5.3M | 66k | 80.00 |
|
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Boot Barn Hldgs (BOOT) | 0.4 | $5.2M | +5% | 54k | 95.15 |
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Simpson Manufacturing (SSD) | 0.4 | $5.1M | +47% | 25k | 205.18 |
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Si-bone (SIBN) | 0.4 | $5.1M | +8% | 310k | 16.37 |
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Rush Street Interactive (RSI) | 0.4 | $5.1M | NEW | 777k | 6.51 |
|
M/I Homes (MHO) | 0.4 | $4.9M | -25% | 36k | 136.29 |
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Sun Ctry Airls Hldgs (SNCY) | 0.4 | $4.9M | +9% | 326k | 15.09 |
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Clearwater Paper (CLW) | 0.4 | $4.9M | +7% | 112k | 43.73 |
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Liberty Oilfield Services -a (LBRT) | 0.4 | $4.9M | +71% | 236k | 20.72 |
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Magnolia Oil & Gas Corp magnolia oil & gas corp (MGY) | 0.3 | $4.8M | +57% | 185k | 25.95 |
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Huron Consulting (HURN) | 0.3 | $4.8M | +3% | 49k | 96.62 |
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Rapid7 (RPD) | 0.3 | $4.6M | +96% | 95k | 49.04 |
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H&E Equipment Services (HEES) | 0.3 | $4.5M | -29% | 70k | 64.18 |
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Helix Energy Solutions (HLX) | 0.3 | $4.4M | +14% | 408k | 10.84 |
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Carpenter Technology Corporation (CRS) | 0.3 | $4.4M | +73% | 62k | 71.42 |
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Cellebrite Di Ltd Ordinary Shares (CLBT) | 0.3 | $4.4M | NEW | 398k | 11.08 |
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Oscar Health Cl A Ord (OSCR) | 0.3 | $4.4M | NEW | 295k | 14.87 |
|
Scientific Games (LNW) | 0.3 | $4.3M | +41% | 43k | 102.09 |
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Skyward Specialty Insurance Gr (SKWD) | 0.3 | $4.3M | +41% | 116k | 37.41 |
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First Merchants Corporation (FRME) | 0.3 | $4.3M | +55% | 123k | 34.90 |
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Aaon (AAON) | 0.3 | $4.3M | +33% | 48k | 88.10 |
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Gibraltar Industries (ROCK) | 0.3 | $4.3M | +21% | 53k | 80.53 |
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Blackbaud (BLKB) | 0.3 | $4.2M | +90% | 57k | 74.14 |
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ExlService Holdings (EXLS) | 0.3 | $4.2M | NEW | 133k | 31.80 |
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Nov (NOV) | 0.3 | $4.2M | +38% | 217k | 19.52 |
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Gentherm (THRM) | 0.3 | $4.2M | NEW | 74k | 57.58 |
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Healthequity (HQY) | 0.3 | $4.2M | +32% | 51k | 81.63 |
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Sprouts Fmrs Mkt (SFM) | 0.3 | $4.2M | NEW | 65k | 64.48 |
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Duolingo (DUOL) | 0.3 | $4.2M | NEW | 19k | 220.58 |
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Dycom Industries (DY) | 0.3 | $4.2M | +26% | 29k | 143.53 |
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Stride (LRN) | 0.3 | $4.2M | +55% | 66k | 63.05 |
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Fabrinet (FN) | 0.3 | $4.1M | -34% | 22k | 189.02 |
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Jeld-wen Hldg (JELD) | 0.3 | $4.1M | -25% | 193k | 21.23 |
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Cadence Design Systems (CDNS) | 0.3 | $4.1M | +3% | 13k | 311.28 |
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Vita Coco Co Inc/the (COCO) | 0.3 | $4.0M | +55% | 165k | 24.43 |
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Precision Drill (PDS) | 0.3 | $4.0M | 60k | 67.29 |
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Employers Holdings (EIG) | 0.3 | $3.9M | +4% | 86k | 45.39 |
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Navitas Semiconductor Corp-a (NVTS) | 0.3 | $3.9M | -15% | 807k | 4.77 |
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Imax Corp Cad (IMAX) | 0.3 | $3.8M | NEW | 236k | 16.17 |
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HNI Corporation (HNI) | 0.3 | $3.8M | -46% | 83k | 45.13 |
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Backblaze (BLZE) | 0.3 | $3.7M | NEW | 358k | 10.23 |
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Mannkind (MNKD) | 0.3 | $3.6M | +10% | 799k | 4.53 |
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Proto Labs (PRLB) | 0.3 | $3.5M | -16% | 98k | 35.75 |
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Arlo Technologies (ARLO) | 0.3 | $3.5M | NEW | 273k | 12.65 |
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Mercantile Bank (MBWM) | 0.2 | $3.4M | +4% | 89k | 38.49 |
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1st Source Corporation (SRCE) | 0.2 | $3.3M | +6% | 64k | 52.42 |
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Transcat (TRNS) | 0.2 | $3.2M | +33% | 29k | 111.43 |
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Biosante Pharmaceuticals (ANIP) | 0.2 | $3.0M | 44k | 69.13 |
|
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Dorian Lpg (LPG) | 0.2 | $2.9M | +15% | 76k | 38.46 |
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Hawkins (HWKN) | 0.2 | $2.9M | 37k | 76.80 |
|
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Rev (REVG) | 0.2 | $2.8M | -16% | 126k | 22.09 |
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Aris Water Solution Inc-a (ARIS) | 0.2 | $2.8M | NEW | 195k | 14.15 |
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Actuant Corp (EPAC) | 0.2 | $2.8M | +8% | 77k | 35.66 |
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Gorman-Rupp Company (GRC) | 0.2 | $2.7M | 69k | 39.55 |
|
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Oxford Industries (OXM) | 0.2 | $2.6M | -25% | 23k | 112.40 |
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Matrix Service Company (MTRX) | 0.2 | $2.6M | NEW | 199k | 13.03 |
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Taiwan Semiconductor Mfg (TSM) | 0.2 | $2.5M | +8% | 19k | 136.05 |
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Sweetgreen Cl A Ord (SG) | 0.2 | $2.5M | NEW | 98k | 25.26 |
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Powell Industries (POWL) | 0.2 | $2.4M | -41% | 17k | 142.30 |
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Quanterix Ord (QTRX) | 0.2 | $2.3M | +13% | 100k | 23.56 |
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Axogen (AXGN) | 0.2 | $2.3M | NEW | 286k | 8.07 |
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Couchbase (BASE) | 0.2 | $2.3M | NEW | 88k | 26.31 |
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BJ's Restaurants (BJRI) | 0.2 | $2.3M | -57% | 64k | 36.18 |
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Liquidia Technologies (LQDA) | 0.2 | $2.2M | NEW | 150k | 14.75 |
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Apex Technology Acqui-cl A (AVPT) | 0.2 | $2.1M | +10% | 267k | 7.92 |
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Spdr S&p 500 Etf (SPY) | 0.1 | $1.9M | 3.6k | 523.02 |
|
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Pinduoduo (PDD) | 0.1 | $1.7M | -42% | 15k | 116.25 |
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Microsoft Corporation (MSFT) | 0.1 | $1.1M | 2.7k | 420.72 |
|
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Tencent Music Entertco L spon ad (TME) | 0.1 | $895k | NEW | 80k | 11.19 |
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Arcos Dorados Holdings (ARCO) | 0.1 | $874k | +162% | 79k | 11.12 |
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JPMorgan Chase & Co. (JPM) | 0.1 | $762k | 3.8k | 200.32 |
|
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Li Auto (LI) | 0.1 | $696k | -30% | 23k | 30.28 |
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Miniso Group Hold Adr Rep 4 Cl A Ord (MNSO) | 0.0 | $615k | -62% | 30k | 20.50 |
|
Makemytrip Limited Mauritius (MMYT) | 0.0 | $611k | NEW | 8.6k | 71.05 |
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Apple (AAPL) | 0.0 | $580k | 3.4k | 171.50 |
|
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Vtex Registered Shs -a- Isin#kyg9470a1022 (VTEX) | 0.0 | $543k | +41% | 67k | 8.17 |
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Travelers Companies (TRV) | 0.0 | $469k | 2.0k | 230.16 |
|
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Kanzhun (BZ) | 0.0 | $438k | NEW | 25k | 17.53 |
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MasterCard Incorporated (MA) | 0.0 | $374k | 776.00 | 481.32 |
|
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Johnson & Johnson (JNJ) | 0.0 | $343k | 2.2k | 158.22 |
|
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Legend Biotech 2 Adr Rep Ord (LEGN) | 0.0 | $337k | -62% | 6.0k | 56.09 |
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Amgen (AMGN) | 0.0 | $304k | 1.1k | 284.36 |
|
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ResMed (RMD) | 0.0 | $287k | 1.5k | 198.03 |
|
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TAL Education (TAL) | 0.0 | $284k | -54% | 25k | 11.35 |
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Despegar Com Corp ord (DESP) | 0.0 | $269k | 23k | 11.96 |
|
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BBB Foods (TBBB) | 0.0 | $262k | NEW | 11k | 23.78 |
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Celsius Holdings (CELH) | 0.0 | $249k | NEW | 3.0k | 82.92 |
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Amer Sports (AS) | 0.0 | $245k | NEW | 15k | 16.30 |
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McDonald's Corporation (MCD) | 0.0 | $238k | 844.00 | 282.00 |
|
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Merck & Co (MRK) | 0.0 | $228k | NEW | 1.7k | 131.95 |
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Toyota Motor Corporation (TM) | 0.0 | $203k | NEW | 805.00 | 251.74 |
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Xenacare Hldgs | 0.0 | $0 | 140k | 0.00 |
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A M R Corporation Xxx res | 0.0 | $0 | 18k | 0.00 |
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Past Filings by Oberweis Asset Management
SEC 13F filings are viewable for Oberweis Asset Management going back to 2010
- Oberweis Asset Management 2024 Q1 filed May 15, 2024
- Oberweis Asset Management 2023 Q4 filed Feb. 14, 2024
- Oberweis Asset Management 2023 Q3 filed Nov. 14, 2023
- Oberweis Asset Management 2023 Q2 filed Aug. 14, 2023
- Oberweis Asset Management 2023 Q1 filed May 15, 2023
- Oberweis Asset Management 2022 Q4 filed Feb. 14, 2023
- Oberweis Asset Management 2022 Q3 filed Nov. 14, 2022
- Oberweis Asset Management 2022 Q2 filed Aug. 15, 2022
- Oberweis Asset Management 2022 Q1 filed May 16, 2022
- Oberweis Asset Management 2021 Q4 filed Feb. 14, 2022
- Oberweis Asset Management 2021 Q3 filed Nov. 15, 2021
- Oberweis Asset Management 2021 Q2 filed Aug. 16, 2021
- Oberweis Asset Management 2021 Q1 filed May 17, 2021
- Oberweis Asset Management 2020 Q4 filed Feb. 16, 2021
- Oberweis Asset Management 2020 Q3 filed Nov. 16, 2020
- Oberweis Asset Management 2020 Q2 filed Aug. 14, 2020