OBERWEIS ASSET MANAGEMENT INC/
Position in AEIS — Advanced Energy Industries Inc
CIK 937886
LISLE, IL
Position in AEIS
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$18,428,354
+$2,556,509 QoQ
Shares Held
49,423
+0.5% QoQ
Ownership
0.123%
of shares outstanding
% of Portfolio
0.38%
of 13F equity value
Holder Rank
#117
of 677 holders
Holding Since
Mar 2021
6 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in AEIS Over Time
Shares Held
Position Value (USD)
Position in Electrical Equipment & Parts
Industrials · as of Jun 30, 2026OBERWEIS ASSET MANAGEMENT INC/ holds $78,653,719 across 3 Electrical Equipment & Parts names. AEIS ranks #2 (23.4% of the industry book) .
All Filings in AEIS
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6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $18,428,354 | 49,423 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $15,871,845 | 49,183 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $8,311,989 | 39,700 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $11,858,758 | 69,700 | Shares | Sole | 2025-11-17 | |
| 2025-06-30 | $15,197,750 | 114,700 | Shares | Sole | 2025-08-14 | |
| 2021-03-31 | $272,925 | 2,500 | Shares | Sole | 2021-05-17 | |
| No filing history on record for this holder in this stock. | ||||||