Security key
00762U200
- Security type / class
- Equity / SPON ADR NEW
- Total 13F shares
- 80,849
- Total 13F value
- $10,895,798
- Share change
- -6,675
- SEC-reported price per share
- $135.81
- Number of holders
- 16
- Value change
- -$904,877
- Number of buys
- 10
- Number of sells
- 6
Report period
Q1 2026
Institutions
16
Top holders
10
ATEYY full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Previous quarter: Q4 2025
ADVANTEST CORP SEC filings
ADVANTEST CORP 13D/G history
Broader feeds
Reporting periods
Holder history for CUSIP 00762U200
Recent filing periods:
Ownership snapshot
Top reported holders of ATEYY - ADVANTEST CORP - SPON ADR NEW (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Boston Common Asset Manag...
Disclosed value leader
Boston Common Asset Manag...
Comparable rows
0/13
Latest evidence
31 Dec 2025
13F
Highest disclosed value: $5,020,835
13 rows are not safely comparable across share classes.
Showing 1-6 of 13 holder rows.
Quick read
Boston Common Asset Management, LLC has the largest disclosed position value at $5.02M.
0 of 13 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Boston Common Asset Management, LLC's linked filing trail.
Disclosed position value
Top 5
Boston Common Asset Management, LLC
$5.02M
RHUMBLINE ADVISERS
$1.77M
Ativo Capital Management LLC
$1.5M
YOUSIF CAPITAL MANAGEMENT, LLC
$1M
GAMMA Investing LLC
$639.7K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 13 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Boston Common Asset Management, LLC |
13F
Company
|
—
class O/S missing
|
$5,020,835
40,081 shares
|
— | 31 Dec 2025 |
| RHUMBLINE ADVISERS |
13F
Company
|
—
class O/S missing
|
$1,766,637
13,985 shares
|
— | 31 Dec 2025 |
| Ativo Capital Management LLC |
13F
Company
|
—
class O/S missing
|
$1,503,267
11,900 shares
|
— | 31 Dec 2025 |
| YOUSIF CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
class O/S missing
|
$1,002,538
7,597 shares
|
— | 31 Dec 2025 |
| GAMMA Investing LLC |
13F
Company
|
—
class O/S missing
|
$639,711
5,064 shares
|
— | 31 Dec 2025 |
| Canopy Partners, LLC |
13F
Company
|
—
class O/S missing
|
$477,003
3,776 shares
|
— | 31 Dec 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
16
Shares
80,849
Rows available
16
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
13
Q1 2026 holders
16
Holder diff
3
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend