OBERWEIS ASSET MANAGEMENT INC/

Q3 2025 13F Holdings

  • Location
    lisle, IL
  • Num holdings

    183

  • Value ($000)

    $2,611,720

  • Date Filed
    11/17/2025
  • 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 Q3 2025 to
Select Quarter
Issuer Name
Class
CUSIP
VALUE
%
Shares
Principal
Option Type
---

Credo Technology Group

COM
G25457105
$93.77M
4 %

643,948

L
LITE

Lumentum Hldgs, Inc.

COM
55024U109
$53.47M
2 %

328,630

R
RMBS*

Rambus, Inc

COM
750917106
$52.92M
2 %

507,899

---

Ambarella, Inc.

COM
G037AX101
$50.45M
2 %

611,360

---

SharkNinja, Inc.

COM
G8068L108
$49.80M
2 %

482,810

A
AAOI

Applied Optoelectronics Inc.

COM
03823U102
$48.96M
2 %

1,888,041

E
EHC

Encompass Health Corporation

COM
29261A100
$45.57M
2 %

358,800

F
FTDR

Frontdoor, Inc.

COM
35905A109
$41.10M
2 %

610,860

A
ADMA

ADMA Biologics, Inc.

COM
000899104
$39.76M
2 %

2,712,040

A
AMSC

American Superconductor

COM
030111207
$39.54M
2 %

665,700

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