{"cik":1117297,"company":{"entity_status":null,"filings":[{"accession":"0001193125-26-367160","document":"qnst-20260630.htm","filed":"2026-08-26","form":"10-K","items":"","report_date":"2026-06-30"},{"accession":"0001858936-26-000004","document":"xslF345X06/edgardoc.xml","filed":"2026-08-18","form":"4","items":"","report_date":"2026-08-14"},{"accession":"0001563458-26-000014","document":"xslF345X06/edgardoc.xml","filed":"2026-08-18","form":"4","items":"","report_date":"2026-08-18"},{"accession":"0001858936-26-000002","document":"xslF345X06/edgardoc.xml","filed":"2026-08-13","form":"4","items":"","report_date":"2026-08-11"},{"accession":"0001563458-26-000012","document":"xslF345X06/edgardoc.xml","filed":"2026-08-11","form":"4","items":"","report_date":"2026-08-07"},{"accession":"0001478988-26-000010","document":"xslF345X06/edgardoc.xml","filed":"2026-08-11","form":"4","items":"","report_date":"2026-08-07"},{"accession":"0001193125-26-338042","document":"qnst-20260806.htm","filed":"2026-08-06","form":"8-K","items":"2.02,9.01","report_date":"2026-08-06"},{"accession":"0001563458-26-000010","document":"xslF345X06/edgardoc.xml","filed":"2026-07-31","form":"4","items":"","report_date":"2026-07-29"},{"accession":"0001478988-26-000008","document":"xslF345X06/edgardoc.xml","filed":"2026-07-31","form":"4","items":"","report_date":"2026-07-29"},{"accession":"0001129817-26-000002","document":"xslF345X06/edgardoc.xml","filed":"2026-07-08","form":"4","items":"","report_date":"2026-07-06"},{"accession":"0001193125-26-213979","document":"qnst-20260331.htm","filed":"2026-05-08","form":"10-Q","items":"","report_date":"2026-03-31"},{"accession":"0001193125-26-211965","document":"qnst-20260507.htm","filed":"2026-05-07","form":"8-K","items":"2.02,9.01","report_date":"2026-05-07"},{"accession":"0001193125-26-105702","document":"qnst-20260102.htm","filed":"2026-03-13","form":"8-K/A","items":"9.01","report_date":"2026-01-02"},{"accession":"0001193125-26-040809","document":"qnst-20251231.htm","filed":"2026-02-06","form":"10-Q","items":"","report_date":"2025-12-31"},{"accession":"0001193125-26-039381","document":"qnst-20260205.htm","filed":"2026-02-05","form":"8-K","items":"2.02,9.01","report_date":"2026-02-05"},{"accession":"0000950103-26-000053","document":"dp239503_8k.htm","filed":"2026-01-02","form":"8-K","items":"1.01,2.01,2.03,9.01","report_date":"2026-01-02"},{"accession":"0000950103-25-015690","document":"dp238321_8k.htm","filed":"2025-12-03","form":"8-K","items":"1.01,7.01,9.01","report_date":"2025-12-03"},{"accession":"0001193125-25-272017","document":"qnst-20250930.htm","filed":"2025-11-07","form":"10-Q","items":"","report_date":"2025-09-30"},{"accession":"0001193125-25-269667","document":"qnst-20251106.htm","filed":"2025-11-06","form":"8-K","items":"2.02,9.01","report_date":"2025-11-06"},{"accession":"0000950103-25-014268","document":"dp236789_8k.htm","filed":"2025-11-04","form":"8-K","items":"5.07","report_date":"2025-10-30"},{"accession":"0002077096-25-000112","document":"ea0256555-01.htm","filed":"2025-09-16","form":"DEF 14A","items":"","report_date":"2025-10-30"},{"accession":"0000950170-25-110629","document":"qnst-20250630.htm","filed":"2025-08-21","form":"10-K","items":"","report_date":"2025-06-30"},{"accession":"0000950170-25-105103","document":"qnst-20250807.htm","filed":"2025-08-07","form":"8-K","items":"2.02,9.01","report_date":"2025-08-07"},{"accession":"0000950170-25-066845","document":"qnst-20250331.htm","filed":"2025-05-08","form":"10-Q","items":"","report_date":"2025-03-31"},{"accession":"0000950170-25-065653","document":"qnst-20250507.htm","filed":"2025-05-07","form":"8-K","items":"2.02,9.01","report_date":"2025-05-07"},{"accession":"0000950170-25-016364","document":"qnst-20241231.htm","filed":"2025-02-07","form":"10-Q","items":"","report_date":"2024-12-31"},{"accession":"0000950170-25-016349","document":"qnst-20240930.htm","filed":"2025-02-07","form":"10-Q/A","items":"","report_date":"2024-09-30"},{"accession":"0000950170-25-015390","document":"qnst-20250206.htm","filed":"2025-02-06","form":"8-K","items":"2.02,9.01","report_date":"2025-02-06"},{"accession":"0000950170-24-123979","document":"qnst-20240930.htm","filed":"2024-11-08","form":"10-Q","items":"","report_date":"2024-09-30"},{"accession":"0000950170-24-120708","document":"qnst-20241104.htm","filed":"2024-11-04","form":"8-K","items":"2.02,9.01","report_date":"2024-11-04"},{"accession":"0000950103-24-015826","document":"dp202232_8k.htm","filed":"2024-11-01","form":"8-K","items":"5.07","report_date":"2024-10-31"},{"accession":"0001174947-24-001089","document":"ea0214551-01.htm","filed":"2024-09-20","form":"DEF 14A","items":"","report_date":"2024-10-31"},{"accession":"0000950170-24-099495","document":"qnst-20240630.htm","filed":"2024-08-21","form":"10-K","items":"","report_date":"2024-06-30"},{"accession":"0000950170-24-093984","document":"qnst-20240808.htm","filed":"2024-08-08","form":"8-K","items":"2.02,9.01","report_date":"2024-08-08"},{"accession":"0000950170-24-056704","document":"qnst-20240331.htm","filed":"2024-05-09","form":"10-Q","items":"","report_date":"2024-03-31"},{"accession":"0000950170-24-055710","document":"qnst-20240508.htm","filed":"2024-05-08","form":"8-K","items":"2.02,9.01","report_date":"2024-05-08"},{"accession":"0001104659-24-021790","document":"tv01776-quinstreetinc.htm","filed":"2024-02-13","form":"SC 13G/A","items":"","report_date":""},{"accession":"0000314984-24-000021","document":"tfl13ga1quinstreet.htm","filed":"2024-02-13","form":"SC 13G/A","items":"","report_date":""},{"accession":"0000950170-24-012727","document":"qnst-20231231.htm","filed":"2024-02-08","form":"10-Q","items":"","report_date":"2023-12-31"},{"accession":"0000950170-24-012247","document":"qnst-20240207.htm","filed":"2024-02-07","form":"8-K","items":"2.02,9.01","report_date":"2024-02-07"}],"former_names":[],"gleif_parents":[],"headquarters":[],"insiders":[{"accession":"0001563458-26-000006","acquired_disposed":"D","code":"S","date":"2026-06-15","derivative":false,"filed":"2026-06-17","following_shares":"400682.0","form":"4","owners":["Wong Gregory"],"plan_10b5_1":true,"price":"12.19","security":"Common Stock","shares":"22057.0"},{"accession":"0001563458-26-000004","acquired_disposed":"D","code":"F","date":"2026-05-10","derivative":false,"filed":"2026-05-12","following_shares":"427477.0","form":"4","owners":["Wong Gregory"],"plan_10b5_1":false,"price":"13.21","security":"Common Stock","shares":"1682.0"},{"accession":"0001563458-26-000004","acquired_disposed":"D","code":"F","date":"2026-05-10","derivative":false,"filed":"2026-05-12","following_shares":"429159.0","form":"4","owners":["Wong Gregory"],"plan_10b5_1":false,"price":"13.21","security":"Common Stock","shares":"1121.0"},{"accession":"0001563458-26-000004","acquired_disposed":"D","code":"F","date":"2026-05-10","derivative":false,"filed":"2026-05-12","following_shares":"424421.0","form":"4","owners":["Wong Gregory"],"plan_10b5_1":false,"price":"13.21","security":"Common Stock","shares":"1528.0"},{"accession":"0001563458-26-000004","acquired_disposed":"D","code":"F","date":"2026-05-10","derivative":false,"filed":"2026-05-12","following_shares":"425949.0","form":"4","owners":["Wong Gregory"],"plan_10b5_1":false,"price":"13.21","security":"Common Stock","shares":"1528.0"},{"accession":"0001563458-26-000004","acquired_disposed":"D","code":"F","date":"2026-05-10","derivative":false,"filed":"2026-05-12","following_shares":"422739.0","form":"4","owners":["Wong Gregory"],"plan_10b5_1":false,"price":"13.21","security":"Common Stock","shares":"1682.0"},{"accession":"0001478988-26-000006","acquired_disposed":"A","code":"G","date":"2026-05-10","derivative":false,"filed":"2026-05-12","following_shares":"1747909.0","form":"4","owners":["Valenti Douglas"],"plan_10b5_1":false,"price":"0.0","security":"Common Stock","shares":"34997.0"},{"accession":"0001478988-26-000006","acquired_disposed":"D","code":"G","date":"2026-05-10","derivative":false,"filed":"2026-05-12","following_shares":"593756.0","form":"4","owners":["Valenti Douglas"],"plan_10b5_1":false,"price":"0.0","security":"Common Stock","shares":"34997.0"},{"accession":"0001478988-26-000006","acquired_disposed":"D","code":"F","date":"2026-05-10","derivative":false,"filed":"2026-05-12","following_shares":"628753.0","form":"4","owners":["Valenti Douglas"],"plan_10b5_1":false,"price":"13.21","security":"Common Stock","shares":"6042.0"},{"accession":"0001478988-26-000006","acquired_disposed":"D","code":"F","date":"2026-05-10","derivative":false,"filed":"2026-05-12","following_shares":"634795.0","form":"4","owners":["Valenti Douglas"],"plan_10b5_1":false,"price":"13.21","security":"Common Stock","shares":"6042.0"},{"accession":"0001478988-26-000006","acquired_disposed":"D","code":"F","date":"2026-05-10","derivative":false,"filed":"2026-05-12","following_shares":"640837.0","form":"4","owners":["Valenti Douglas"],"plan_10b5_1":false,"price":"13.21","security":"Common Stock","shares":"6042.0"},{"accession":"0001478988-26-000006","acquired_disposed":"D","code":"F","date":"2026-05-10","derivative":false,"filed":"2026-05-12","following_shares":"646879.0","form":"4","owners":["Valenti Douglas"],"plan_10b5_1":false,"price":"13.21","security":"Common Stock","shares":"12085.0"},{"accession":"0001478988-26-000006","acquired_disposed":"D","code":"F","date":"2026-05-10","derivative":false,"filed":"2026-05-12","following_shares":"658964.0","form":"4","owners":["Valenti Douglas"],"plan_10b5_1":false,"price":"13.21","security":"Common Stock","shares":"6042.0"}],"legal_name":null,"lei":null,"lei_status":null,"lei_updated_at":null,"names":[],"parent_exceptions":[],"parents":[],"wikidata_id":null},"research_built_at":"2026-09-08T00:28:31.573928+00:00","sources":[{"coverage":"8005 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer","id":"sec","license":"SEC public-information reuse","license_url":"https://www.sec.gov/about/privacy-information","name":"SEC submissions","retrieved_at":"2026-09-08T00:28:36.996621+00:00","status":"ok","url":"https://www.sec.gov/search-filings/edgar-application-programming-interfaces"},{"coverage":"1611 unambiguous CIK-linked entities; coverage is incomplete","id":"wikidata","license":"CC0-1.0","license_url":"https://www.wikidata.org/wiki/Wikidata:Licensing","name":"Wikidata structured data","retrieved_at":"2026-09-07T20:33:33.971872+00:00","status":"ok","url":"https://www.wikidata.org/"},{"coverage":"1177 checked identities; 0 unavailable records","id":"gleif","license":"CC0-1.0","license_url":"https://www.gleif.org/en/meta/lei-data-terms-of-use","name":"GLEIF legal entity reference data","retrieved_at":"2026-09-07T20:35:11.504394+00:00","status":"ok","url":"https://www.gleif.org/en/lei-data/gleif-api"},{"coverage":"4 selected series; gaps remain missing","id":"fed","license":"Public domain (selected government series)","license_url":"https://www.federalreserve.gov/disclaimer.htm","name":"Federal Reserve Board H.15","retrieved_at":"2026-09-08T00:28:58.131796+00:00","status":"ok","url":"https://www.federalreserve.gov/releases/h15/"},{"coverage":"9 selected series; gaps remain missing","id":"bls","license":"Public domain","license_url":"https://www.bls.gov/opub/copyright-information.htm","name":"Bureau of Labor Statistics","retrieved_at":"2026-09-08T00:28:59.313116+00:00","status":"ok","url":"https://www.bls.gov/developers/"},{"coverage":"2026 Q2: filings in this completed quarter; not a live transaction feed","id":"insiders","license":"SEC public-information reuse","license_url":"https://www.sec.gov/about/privacy-information","name":"SEC insider transactions","retrieved_at":"2026-09-07T20:35:31.647091+00:00","status":"ok","url":"https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets"}]}