---
schema_version: "secwatch.filing_event.v1"
accession: "0000350894-25-000012"
form_type: "8-K/A"
ticker: "SEIC"
cik: "0000350894"
company_name: "SEI INVESTMENTS CO"
filed_at: "2025-01-17T23:59:59+00:00"
generated_at: "2026-05-27T23:33:18.138494+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# SEI amends 8-K to correct overstated 5-yr AUM growth rate in Investment Advisors segment from 76% to 32%

## Summary
- Clerical error: Investment Advisors five-year AUM growth rate overstated as 76%; corrected to actual 32%.
- Inaccurate tenure designations for certain Executive Officers in original Investor Overview also corrected.
- No change to any other financial presentations or information in the original filing.
- Amendment filed Jan 17, 2025; corrected Investor Overview attached as Exhibit 99.1.

## SEC filing metadata
- accession: 0000350894-25-000012
- form_type: 8-K/A
- ticker: SEIC
- cik: 0000350894
- company_name: SEI INVESTMENTS CO
- filed_at: 2025-01-17T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/350894/000035089425000012/0000350894-25-000012-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/350894/000035089425000012/seic-20250114.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000350894-25-000012
- JSON: https://secwatch.observer/filing/0000350894-25-000012.json
- Plain text: https://secwatch.observer/filing/0000350894-25-000012.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.