{"filing":{"accession_number":"0000350894-26-000051","cik":"0000350894","ticker":"SEIC","company_name":"SEI INVESTMENTS CO","form":"8-K","filing_date":"2026-10-21","report_date":"2026-10-21","primary_document":"seic-20261021.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/350894/000035089426000051/seic-20261021.htm"},"events":[{"id":36733,"run_id":33867,"accession_number":"0000350894-26-000051","anchor_item_number":"2.02","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.98,"summary":"SEI Investments Company issued a press release on October 21, 2026, announcing third-quarter 2026 financial results, including revenue growth of 14%, operating income growth of 24%, and diluted EPS increase of 6% compared to Q3 2025, accompanied by an earnings presentation.","company_name":"SEI INVESTMENTS CO","ticker":"SEIC","filing_date":"2026-10-21","form":"8-K","submitted_at":null,"items":[{"id":41242,"accession_number":"0000350894-26-000051","item_number":"2.02","item_title":"Results of Operations and Financial Condition.","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.98,"reasoning":"SEI Investments Company issued a press release on October 21, 2026, announcing third-quarter 2026 financial results, including revenue growth of 14%, operating income growth of 24%, and diluted EPS increase of 6% compared to Q3 2025. The press release is furnished as Exhibit 99.1 and incorporated by reference in Item 2.02, which is the standard disclosure mechanism for quarterly earnings releases. The filing includes consolidated financial statements, segment results, and business highlights typical of an earnings announcement.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-10-21T20:22:55.794460+00:00","company_name":"","ticker":null,"filing_date":""},{"id":41243,"accession_number":"0000350894-26-000051","item_number":"7.01","item_title":"Regulation FD Information.","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.98,"reasoning":"The Item 7.01 disclosure furnishes an earnings presentation (Exhibit 99.2) alongside a comprehensive press release (Exhibit 99.1) announcing SEI's third-quarter 2026 financial results. The press release reports Q3 2026 diluted EPS of $1.38 (up 6% YoY), revenue growth of 14%, and operating income growth of 24%, with detailed segment performance and business highlights. This is a standard earnings release disclosure, material to investors assessing the registrant's financial performance and outlook.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-10-21T20:22:55.794460+00:00","company_name":"","ticker":null,"filing_date":""}]},{"id":36734,"run_id":33867,"accession_number":"0000350894-26-000051","anchor_item_number":"8.01","event_type":"dividend_distribution","event_domain":"financial","is_material":true,"confidence":0.75,"summary":"The Board of Directors approved on October 20, 2026, an $800 million increase to SEI's stock repurchase program, bringing total available authorization to approximately $925.6 million.","company_name":"SEI INVESTMENTS CO","ticker":"SEIC","filing_date":"2026-10-21","form":"8-K","submitted_at":null,"items":[{"id":41244,"accession_number":"0000350894-26-000051","item_number":"8.01","item_title":"Other Events.","event_type":"dividend_distribution","event_domain":"financial","is_material":true,"confidence":0.75,"reasoning":"The Item 8.01 disclosure announces the Board's approval on October 20, 2026, of an $800 million increase to SEI's stock repurchase program, bringing total available authorization to approximately $925.6 million. While the earnings release also reports Q3 2026 financial results, the Item 8.01 section itself focuses on the repurchase authorization. Stock repurchase programs are classified as dividend_distribution (a return of capital to shareholders), and the $800 million authorization is material to investors assessing capital allocation and shareholder returns.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-10-21T20:22:55.794460+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":41242,"accession_number":"0000350894-26-000051","item_number":"2.02","item_title":"Results of Operations and Financial Condition.","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.98,"reasoning":"SEI Investments Company issued a press release on October 21, 2026, announcing third-quarter 2026 financial results, including revenue growth of 14%, operating income growth of 24%, and diluted EPS increase of 6% compared to Q3 2025. The press release is furnished as Exhibit 99.1 and incorporated by reference in Item 2.02, which is the standard disclosure mechanism for quarterly earnings releases. The filing includes consolidated financial statements, segment results, and business highlights typical of an earnings announcement.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-10-21T20:22:55.794460+00:00","company_name":"SEI INVESTMENTS CO","ticker":"SEIC","filing_date":"2026-10-21"},{"id":41243,"accession_number":"0000350894-26-000051","item_number":"7.01","item_title":"Regulation FD Information.","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.98,"reasoning":"The Item 7.01 disclosure furnishes an earnings presentation (Exhibit 99.2) alongside a comprehensive press release (Exhibit 99.1) announcing SEI's third-quarter 2026 financial results. The press release reports Q3 2026 diluted EPS of $1.38 (up 6% YoY), revenue growth of 14%, and operating income growth of 24%, with detailed segment performance and business highlights. This is a standard earnings release disclosure, material to investors assessing the registrant's financial performance and outlook.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-10-21T20:22:55.794460+00:00","company_name":"SEI INVESTMENTS CO","ticker":"SEIC","filing_date":"2026-10-21"},{"id":41244,"accession_number":"0000350894-26-000051","item_number":"8.01","item_title":"Other Events.","event_type":"dividend_distribution","event_domain":"financial","is_material":true,"confidence":0.75,"reasoning":"The Item 8.01 disclosure announces the Board's approval on October 20, 2026, of an $800 million increase to SEI's stock repurchase program, bringing total available authorization to approximately $925.6 million. While the earnings release also reports Q3 2026 financial results, the Item 8.01 section itself focuses on the repurchase authorization. Stock repurchase programs are classified as dividend_distribution (a return of capital to shareholders), and the $800 million authorization is material to investors assessing capital allocation and shareholder returns.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-10-21T20:22:55.794460+00:00","company_name":"SEI INVESTMENTS CO","ticker":"SEIC","filing_date":"2026-10-21"}]}