# Advantest Corp: overview ATEYY · OTC · CIK 1158838 · [Technology](/sectors/technology.md) · fiscal year ends Dec 31 Pages: [Overview](/companies/ateyy.md) · [Financials](/companies/ateyy/financials.md) · [Filings](/companies/ateyy/filings.md) · [Insiders](/companies/ateyy/insiders.md) Revenue is not reported in this company’s XBRL financial statements. ## Last eight quarters Not reported. ## Last five fiscal years | Line item | Unit | FY2010 (2011-03-31) | FY2011 (2012-03-31) | FY2012 (2013-03-31) | FY2013 (2014-03-31) | FY2014 (2015-03-31) | | --- | --- | ---: | ---: | ---: | ---: | ---: | | Revenue | $bn | [99.6](/filings/0001193125-13-273775.md) | [141](/filings/0001193125-13-273775.md) | [133](/filings/0001193125-13-273775.md) | [112](/filings/0001193125-15-234186.md) | [163](/filings/0001193125-15-234186.md) | | Gross margin | % | [48.6%](/filings/0001193125-13-273775.md) | [48.7%](/filings/0001193125-14-249940.md) | [51.9%](/filings/0001193125-15-234186.md) | [44.1%](/filings/0001193125-15-234186.md) | [55.4%](/filings/0001193125-15-234186.md) | | Operating margin | % | [6.1%](/filings/0001193125-13-273775.md) | [0.6%](/filings/0001193125-14-249940.md) | [0.1%](/filings/0001193125-15-234186.md) | [(32.5%)](/filings/0001193125-15-234186.md) | [9.0%](/filings/0001193125-15-234186.md) | | Net margin | % | [3.2%](/filings/0001193125-13-273775.md) | [(1.6%)](/filings/0001193125-14-249940.md) | [(2.9%)](/filings/0001193125-15-234186.md) | [(31.8%)](/filings/0001193125-15-234186.md) | [7.9%](/filings/0001193125-15-234186.md) | | Diluted EPS | $ per share | [18.03](/filings/0001193125-13-273775.md) | [(12.67)](/filings/0001193125-14-249940.md) | [(22.03)](/filings/0001193125-15-234186.md) | [(204.10)](/filings/0001193125-15-234186.md) | [67.16](/filings/0001193125-15-234186.md) | | Free cash flow | $bn | [(3.8)](/filings/0001193125-13-273775.md) | [6.4](/filings/0001193125-13-273775.md) | [(13.6)](/filings/0001193125-13-273775.md) | [(9.3)](/filings/0001193125-15-234186.md) | [21.3](/filings/0001193125-15-234186.md) | - Revenue. XBRL Revenue: us-gaap:Revenues; Revenue: us-gaap:SalesRevenueNet. - Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:Revenues; Revenue: us-gaap:SalesRevenueNet. - Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:Revenues; Revenue: us-gaap:SalesRevenueNet. - Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:Revenues; Revenue: us-gaap:SalesRevenueNet. - Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted. - Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment; Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations. Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing. ## Insider purchases and sales The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/ateyy/insiders.md) None in coverage. ## Funds that report holding it From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md) | Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before | | --- | --- | ---: | ---: | --- | --- | | [Boston Common Asset Management, LLC](/funds/1409427.md) | 2026-06-30 | $6.7m | 32,439 | | Added +639 | | [RHUMBLINE ADVISERS](/funds/1115418.md) | 2026-06-30 | $3.6m | 17,524 | | Added +2,580 | | [Ativo Capital Management LLC](/funds/1423065.md) | 2026-06-30 | $2.8m | 13,637 | | Added +1,711 | | [GAMMA Investing LLC](/funds/2010235.md) | 2026-06-30 | $1.2m | 5,684 | | Added +258 | | [Canopy Partners, LLC](/funds/1960860.md) | 2026-06-30 | $783.6k | 3,766 | | Added +1 | | [DIVERSIFIED TRUST CO](/funds/1479844.md) | 2026-06-30 | $615.9k | 3,095 | | Added +205 | | [YOUSIF CAPITAL MANAGEMENT, LLC](/funds/1858789.md) | 2026-06-30 | $451.1k | 2,267 | | Reduced −5,330 | | [Calydon Capital](/funds/1759271.md) | 2026-06-30 | $298.1k | 1,433 | | New +1,433 | | [Enterprise Financial Services Corp](/funds/1025835.md) | 2026-06-30 | $252.0k | 1,211 | | New +1,211 | | [Westside Investment Management, Inc.](/funds/1538383.md) | 2026-06-30 | $166.4k | 800 | | Unchanged | ## Recent filings [All 185 filings](/companies/ateyy/filings.md) | Filed | Accepted | Form | What it is | Accession | | --- | --- | --- | --- | --- | | 2016-04-01 | 06:22 ET | [6-K](/filings/0000947871-16-001078.md) | Report of a foreign private issuer, period 2016-04-01 | 0000947871-16-001078 | | 2016-02-12 | 06:04 ET | [6-K](/filings/0000947871-16-000962.md) | Report of a foreign private issuer, period 2016-02-12 | 0000947871-16-000962 | | 2016-01-27 | 06:14 ET | [6-K](/filings/0000947871-16-000936.md) | Report of a foreign private issuer, period 2016-01-27 | 0000947871-16-000936 | | 2015-12-22 | 06:53 ET | [6-K](/filings/0000947871-15-000880.md) | Report of a foreign private issuer, period 2015-12-22 | 0000947871-15-000880 | | 2015-11-13 | 06:05 ET | [6-K](/filings/0000947871-15-000804.md) | Report of a foreign private issuer, period 2015-11-13 | 0000947871-15-000804 | | 2015-10-26 | 06:01 ET | [6-K](/filings/0000947871-15-000755.md) | Report of a foreign private issuer, period 2015-10-26 | 0000947871-15-000755 | | 2015-08-14 | 06:03 ET | [6-K](/filings/0000947871-15-000560.md) | Report of a foreign private issuer, period 2015-08-14 | 0000947871-15-000560 | | 2015-07-28 | 06:04 ET | [6-K](/filings/0000947871-15-000503.md) | Report of a foreign private issuer, period 2015-07-28 | 0000947871-15-000503 | | 2015-06-25 | 09:29 ET | [6-K](/filings/0000947871-15-000447.md) | Report of a foreign private issuer, period 2015-06-25 | 0000947871-15-000447 | | 2015-06-25 | 07:18 ET | [20-F](/filings/0001193125-15-234186.md) | Annual report of a foreign private issuer, period 2015-03-31 | 0001193125-15-234186 | ## Latest annual report [Form 20-F for the fiscal year ended Mar 31, 2015](/filings/0001193125-15-234186.md), filed Jun 25, 2015. ## Forecast league Not in this season’s league. [This season’s league](/leagues.md) ## About the filer - CIK: 1158838 - Tickers: ATEYY, ADTTF - Exchange: OTC - SIC code: 3674 Semiconductors & Related Devices - State of incorporation: M0 - Filer category: Large accelerated filer Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 24, 2026, 15:34 ET. No prices; not investment advice.