13FBOX
OBERWEIS ASSET MANAGEMENT INC/ · 13F Holdings
Options Calculator Rankings

OBERWEIS ASSET MANAGEMENT INC/

No.979 Data as of 2026Q2
Latest AUM (Q2 2026)
$4.84B
QoQ Change Q1 2026
+$1.46B+43.0%
Holdings
175
New Buys
24
Adds
113
Reduces
28
Exits
25
Unchanged
10
Holdings Value Trend
Holdings by Sector
Stock Ownership TrendPortfolio %Prev Q %Q2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
CREDO TECHNOLOGY GROUP HOLDING LTD COM USD0.00005CRDO
5.69%2.83%$275.6M1.0M$95.9M1.0M-8,540-0.84%Reduce
APPLIED OPTOELECTRONICS INCAAOI
5.48%5.87%$265.4M1.8M$198.8M2.3M-558,842-23.78%Reduce
DDIGITALOCEAN HLDGS INCDOCN
3.02%2.35%$146.0M930,005$79.6M927,505+2,500+0.27%Add
SSILICON MOTION (SPADR REPR 4 SHS)SIMO
2.18%0.94%$105.4M316,350$31.7M282,550+33,800+11.96%Add
UULTRA CLEAN HLDGS INCUCTT
1.91%1.18%$92.3M647,276$39.8M640,476+6,800+1.06%Add
EAST WEST BANCORP INCEWBC
1.87%1.88%$90.4M593,500$63.5M599,970-6,470-1.08%Reduce
SITIME CORPSITM
1.84%1.22%$89.1M119,501$41.2M119,281+220+0.18%Add
BBRIGHTSPRING HEALTH SVCS INCBTSG
1.71%1.46%$82.7M1.2M$49.4M1.2M+26,310+2.27%Add
HHINGE HEALTH INCHNGE
1.47%0.53%$71.0M855,476$18.0M465,766+389,710+83.67%Add
RRAMBUS INC DELRMBS
1.45%1.34%$70.0M527,016$45.3M526,316+700+0.13%Add
MMACOM TECH SOLUTIONS HLDGS IMTSI
1.41%1.42%$68.2M179,356$47.9M215,886-36,530-16.92%Reduce
LUMENTUM HLDGS INCLITE
1.28%5.53%$61.9M72,185$187.1M266,222-194,037-72.89%Reduce
LLATTICE SEMICONDUCTOR CORPLSCC
1.24%1.03%$59.9M391,816$34.7M374,436+17,380+4.64%Add
NNOVA LTDNVMI
1.22%1.77%$59.0M108,675$59.9M137,955-29,280-21.22%Reduce
CCARPENTER TECHNOLOGY CORPCRS
1.19%1.1%$57.5M93,273$37.2M94,433-1,160-1.23%Reduce
FRONTDOOR INCFTDR
1.15%1.12%$55.8M719,060$38.0M717,960+1,100+0.15%Add
EEVERUS CONSTR GROUPECG
1.13%1.14%$54.5M328,183$38.6M326,533+1,650+0.51%Add
VVERACYTE INCVCYT
1.07%0.8%$51.5M877,734$27.1M839,834+37,900+4.51%Add
PPOWELL INDS INCPOWL
1.06%0.55%$51.4M179,521$18.5M34,157+145,364+425.58%Add
LIFE TIME GROUP HOLDINGS INCLTH
1%0.92%$48.6M1.2M$31.3M1.2M+29,120+2.51%Add
RRUSH STREET INTERACTIVE INCRSI
1%0.92%$48.4M1.6M$31.2M1.4M+193,370+13.48%Add
MMERCURY SYS INCMRCY
0.99%0.84%$48.0M392,723$28.5M391,023+1,700+0.43%Add
DDUTCH BROS INCBROS
0.97%0.9%$47.1M656,093$30.3M598,493+57,600+9.62%Add
CLEAN HARBORS INCCLH
0.95%1.22%$45.9M153,475$41.4M144,355+9,120+6.32%Add
SSOLARIS ENERGY INFRAS INCSEI
0.94%0.89%$45.4M564,581$30.1M531,889+32,692+6.15%Add
DIODES INCDIOD
0.94%0.45%$45.3M413,750$15.3M224,300+189,450+84.46%Add
ARCOSA INCACA
0.89%0.84%$42.9M295,450$28.4M267,700+27,750+10.37%Add
BBLUE BIRD CORP COMBLBD
0.86%0.65%$41.8M529,838$22.1M389,238+140,600+36.12%Add
CAMTEK LTDCAMT
0.85%1%$41.3M253,380$33.8M222,780+30,600+13.74%Add
LIVANOVA PLCLIVN
0.85%0.6%$41.1M500,150$20.5M321,900+178,250+55.37%Add
AAMERICAN SUPERCONDUCTOR CORPAMSC
0.85%0.85%$41.0M987,500$28.8M849,900+137,600+16.19%Add
MMAXLINEAR INCMXL
0.85%$40.9M319,500$00+319,500New Buy
GLOBUS MED INCGMED
0.84%1%$40.5M512,100$33.8M392,200+119,900+30.57%Add
NOVANTA INCNOVT
0.82%$39.6M244,260$00+244,260New Buy
SKYWEST INCSKYW
0.79%1.06%$38.1M383,799$36.0M392,499-8,700-2.22%Reduce
VVIAVI SOLUTIONS INCVIAV
0.78%0.58%$37.9M793,600$19.7M593,200+200,400+33.78%Add
MMOOG INCMOG/A
0.76%0.39%$36.8M86,735$13.1M44,910+41,825+93.13%Add
LITTELFUSE INCLFUS
0.75%0.72%$36.3M79,800$24.4M71,800+8,000+11.14%Add
ARCUTIS BIOTHERAPEUTICS INCARQT
0.74%0.95%$36.0M1.4M$32.2M1.4M+7,000+0.51%Add
FIRSTCASH HOLDINGS INCFCFS
0.74%0.92%$35.9M166,105$31.1M165,665+440+0.27%Add
BBILLIONTOONE INCBLLN
0.74%$35.9M299,030$00+299,030New Buy
DDANA INCDAN
0.74%1.6%$35.9M1.3M$54.2M1.6M-293,200-18.19%Reduce
EELEMENT SOLUTIONS INCESI
0.73%$35.3M740,100$00+740,100New Buy
AAAR CORPAIR
0.73%0.79%$35.2M246,325$26.8M245,125+1,200+0.49%Add
RREMITLY GLOBAL INCRELY
0.73%0.67%$35.2M1.6M$22.8M1.5M+116,100+7.98%Add
IICU MED INCICUI
0.72%0.78%$34.8M237,050$26.3M203,710+33,340+16.37%Add
FEDERAL SIGNAL CORPFSS
0.71%0.86%$34.6M269,084$28.9M267,634+1,450+0.54%Add
OOUSTER INCOUST
0.71%$34.1M545,810$00+545,810New Buy
LEVI STRAUSS & CO NEWLEVI
0.7%0.64%$33.7M1.4M$21.6M1.2M+190,800+16.35%Add
MMERIT MED SYS INCMMSI
0.68%0.86%$32.8M473,409$29.2M424,209+49,200+11.60%Add

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow