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OBERWEIS ASSET MANAGEMENT INC/

Q1 2026 13F Holdings

  • Location
    lisle, IL
  • Num holdings

    180

  • Value ($000)

    $3,385,665

  • Date Filed
    05/15/2026
  • Form type
    13F-HR
  • CIK
    0000937886
  • All SEC filings
  • Note
    Holdings aggregated across “other managers” listed in original SEC filing, see here for detailed holdings broken out by other managers
Compare Q1 2026 to
Select Quarter
Issuer Name
Class
CUSIP
VALUE
%
Shares
Principal
Option Type
A
AAOI

Applied Optoelectronics Inc.

COM
03823U102
$198.78M
6 %

2,349,969

L
LITE

Lumentum Hldgs, Inc.

COM
55024U109
$187.09M
6 %

266,222

---

Credo Technology Group

COM
G25457105
$95.93M
3 %

1,021,968

D
DOCN

DigitalOcean Holdings, Inc.

COM
25402D102
$79.56M
2 %

927,505

---

SharkNinja, Inc.

COM
G8068L108
$63.54M
2 %

599,970

---

Nova Ltd.

COM
M7516K103
$59.91M
2 %

137,955

4
4DH

Dana Inc.

COM
235825205
$54.23M
2 %

1,611,500

B
BTSG

BrightSpring Health Services

COM
10950A106
$49.38M
2 %

1,158,970

M
MTSI

Macom Technology Solutions

COM
55405Y100
$47.94M
1 %

215,886

R
RMBS*

Rambus, Inc

COM
750917106
$45.28M
1 %

526,316

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