---
schema_version: "secwatch.filing_event.v1"
accession: "0000350894-25-000032"
form_type: "8-K"
ticker: "SEIC"
cik: "0000350894"
company_name: "SEI INVESTMENTS CO"
filed_at: "2025-02-27T23:59:59+00:00"
generated_at: "2026-05-26T02:41:58.934374+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# SEI sells Family Office Services business to Aquiline for $120M cash

## Summary
- Total purchase price of $120 million payable in cash at closing.
- Aquiline Capital Partners acquiring SEI's Family Office Services business.
- Transaction expected to close in late Q2 2025, subject to regulatory approval.
- Employees in Indianapolis, Denver, and Oaks, including core leadership, will transition with the business.

## SEC filing metadata
- accession: 0000350894-25-000032
- form_type: 8-K
- ticker: SEIC
- cik: 0000350894
- company_name: SEI INVESTMENTS CO
- filed_at: 2025-02-27T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/350894/000035089425000032/0000350894-25-000032-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/350894/000035089425000032/seic-20250227.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000350894-25-000032
- JSON: https://secwatch.observer/filing/0000350894-25-000032.json
- Plain text: https://secwatch.observer/filing/0000350894-25-000032.txt

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