---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-036160"
form_type: "8-K"
ticker: "AAMI"
cik: "0001748824"
company_name: "Acadian Asset Management Inc."
filed_at: "2026-05-19T12:46:31+00:00"
generated_at: "2026-05-19T12:50:29.057920+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Acadian Asset Management announces preliminary AUM of ~$219B at Investor Forum, outlines growth strategy

## Summary
- Preliminary AUM of approximately $219B as of April 30, 2026.
- Discussed expansion in systematic credit and global wealth, new tax-aware long/short strategy.
- Near-term ENI operating margin aspiration presented; durable growth and scalability emphasized.
- Investor Forum held in Boston with executive presentations and analyst Q&A; replay available.

## SEC filing metadata
- accession: 0001628280-26-036160
- form_type: 8-K
- ticker: AAMI
- cik: 0001748824
- company_name: Acadian Asset Management Inc.
- filed_at: 2026-05-19T12:46:31+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1748824/000162828026036160/0001628280-26-036160-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1748824/000162828026036160/aami-20260519.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-036160
- JSON: https://secwatch.observer/filing/0001628280-26-036160.json
- Plain text: https://secwatch.observer/filing/0001628280-26-036160.txt

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