{"cik":"0001765941","entityType":"other","sic":"","sicDescription":"","ownerOrg":"","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"Arrowstreet Emerging Market Alpha Extension Trust Fund, a sub-fund of the Arrowstreet Investment Trust","tickers":[],"exchanges":[],"ein":"831061624","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"NH","stateOfIncorporationDescription":"NH","addresses":{"mailing":{"street1":"200 CLARENDON STREET","street2":null,"city":"BOSTON","stateOrCountry":"MA","zipCode":"02116","stateOrCountryDescription":"MA","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"200 CLARENDON STREET","street2":null,"city":"BOSTON","stateOrCountry":"MA","zipCode":"02116","stateOrCountryDescription":"MA","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"6179190000","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001765941-26-000001","0002054936-25-000025","0001594363-24-000020","0001777884-23-000011","0001825468-23-000011","0001594363-22-000013","0001765941-21-000001","0001765941-20-000001","0001765941-19-000001"],"filingDate":["2026-04-30","2025-04-23","2024-04-29","2023-04-27","2023-02-02","2022-02-01","2021-01-29","2020-01-31","2019-01-29"],"reportDate":["","","","","","","","",""],"acceptanceDateTime":["2026-04-30T17:40:34.000Z","2025-04-22T22:31:19.000Z","2024-04-26T22:54:46.000Z","2023-04-27T20:48:03.000Z","2023-02-02T17:40:44.000Z","2022-02-01T00:53:57.000Z","2021-01-29T17:39:25.000Z","2020-01-31T16:30:26.000Z","2019-01-29T19:19:31.000Z"],"act":["33","33","33","33","33","33","33","33","33"],"form":["D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D"],"fileNumber":["021-331623","021-331623","021-331623","021-331623","021-331623","021-331623","021-331623","021-331623","021-331623"],"filmNumber":["26922866","25858828","24885988","23858001","23579715","22576202","21569825","20563938","19548298"],"items":["06b,3C,3C.1,3C.7","06b,3C,3C.1,3C.7","06b,3C,3C.1,3C.7","06b,3C,3C.1,3C.7","3C,3C.1,3C.7","3C,3C.1,3C.7","3C,3C.1,3C.7","3C,3C.1,3C.7","3C,3C.1,3C.7"],"core_type":["D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D"],"size":[7787,7741,7748,7686,7353,7336,7351,7371,7273],"isXBRL":[0,0,0,0,0,0,0,0,0],"isInlineXBRL":[0,0,0,0,0,0,0,0,0],"isXBRLNumeric":[0,null,null,null,null,null,null,null,null],"primaryDocument":["xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml"],"primaryDocDescription":["","","","","","","","",""]},"files":[]}}