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Thomas P. Joyce

Oberweis Asset Management Inc

Assets Managed
$3.386B
Holdings
180
Last Quarter
2026 - Q1
Filed Date
2d ago
Growth Rate
23.8%(2Q avg: 14.26%)
Sustained Growth
4 quarters

Portfolio positions

This chart displays the top 10 holdings in Oberweis Asset Management Inc's 2026 - Q1 portfolio, based on their 13F SEC filing, out of a total of 180 positions.

Assets under management

The assets under management (AUM) of Oberweis Asset Management Inc over the past 10 years (40 quarters) show continuous growth in total asset value over the last 4 quarters. As of the latest 13F SEC filing for 2026 - Q1, they manage 3.386B in assets, with a quarterly growth rate of 23.8% and a 2-quarter average growth rate of 14.26%. The portfolio is managed by Thomas P. Joyce, and others.

Portfolio holdings

InvestmentPortfolio %Reported Value
AAOI
Applied Optoelectronics Inc
Recent Activity
Increased 15.22%
5.88%
$198.784M
2.35M shares@ $84.6 avg price
LITE
Lumentum Holdings Inc
Recent Activity
Decreased -5.23%
5.53%
$187.09M
266,222 shares@ $702.77 avg price
CRDO
Credo Technology Group Holdi
Recent Activity
Increased 51.32%
2.84%
$95.932M
1.022M shares@ $93.87 avg price
DOCN
Digitalocean Holdings Inc
Recent Activity
Increased 19.09%
2.35%
$79.561M
927,505 shares@ $85.79 avg price
SN
Sharkninja Inc
Recent Activity
Increased 14%
1.88%
$63.537M
599,970 shares@ $105.9 avg price
NVMI
Nova Ltd
Recent Activity
Increased 21.78%
1.77%
$59.911M
137,955 shares@ $434.28 avg price
DAN
Dana Inc
Recent Activity
Increased 102.33%
1.61%
$54.227M
1.612M shares@ $33.65 avg price
BTSG
Brightspring Health Services
Recent Activity
Increased 27.64%
1.46%
$49.384M
1.159M shares@ $42.62 avg price
MTSI
Macom Technology Solutions H
Recent Activity
Increased 20.64%
1.42%
$47.942M
215,886 shares@ $222.07 avg price
RMBS
Rambus Inc
Recent Activity
Increased 13.9%
1.34%
$45.279M
526,316 shares@ $86.03 avg price

1-10 of 180