Advantest Corp
ATEYY- Exchange
- OTC
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001158838
No open-market purchases or sales by Advantest Corp insiders were filed in the last 90 days; 18 institutions reported holding it in 13F filings for Q2 2026, worth $17.3M in total; no superinvestor holds it.
Other share classesADTTF
Q3 2025 vs. Q2 2025
How the institutions holding Advantest Corp changed between Q2 2025 and Q3 2025.
All holders in Q3 2025All holders in Q2 2025
| Measure | Q2 2025 | Of which not filed for Q3 2025 | Q3 2025 | Change |
|---|---|---|---|---|
| Holders | 14 | 1 | 11 | −2 |
| Shares | 112.0K | 43 | 98.1K | −13.8K (−12.4%) |
| Value | $8.27M | $3.18K | $9.78M | +$1.52M (+18.3%) |
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (1)
Institutions that held Advantest Corp at the end of Q3 2025 but not at the end of Q2 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Diversified Trust Co | 2,664 | $264.3K | 0.01% |
Sold out (3)
Institutions that held Advantest Corp at the end of Q2 2025 and filed for Q3 2025 without it.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| Comprehensive Financial Planning, Inc. | 3,738 | $276.5K |
| Principal Street Partners, LLC | 3,016 | $223.1K |
| Skopos Labs, Inc. | 113 | $8.36K |
Not filed for Q3 2025 yet (1)
Institutions that held Advantest Corp at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| First Horizon Advisors, Inc. | 43 | $3.18K |