---
schema_version: "secwatch.filing_event.v1"
accession: "0001517302-26-000003"
form_type: "8-K"
ticker: "APAM"
cik: "0001517302"
company_name: "Artisan Partners Asset Management Inc."
filed_at: "2026-01-12T23:59:59+00:00"
generated_at: "2026-05-16T10:51:12.776014+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Artisan Partners reports Dec 2025 preliminary AUM of $179.9B; closes acquisition of Grandview Property Partners

## Summary
- Clarence Kane Brenan appointed to Board (effective Jan 9), increasing Board to nine; also joins Compensation Committee.
- Subsidiary closed acquisition of 100% of Grandview Property Partners on Jan 2, 2026; no deal terms disclosed.
- Preliminary AUM as of Dec 31, 2025: $179.9B, with Artisan Funds $87.8B, separate accounts $92.1B.
- Fourth-quarter fund distributions of approx. $640M were not reinvested and reduced month-end AUM.

## SEC filing metadata
- accession: 0001517302-26-000003
- form_type: 8-K
- ticker: APAM
- cik: 0001517302
- company_name: Artisan Partners Asset Management Inc.
- filed_at: 2026-01-12T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1517302/000151730226000003/0001517302-26-000003-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1517302/000151730226000003/apam-20260109.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001517302-26-000003
- JSON: https://secwatch.observer/filing/0001517302-26-000003.json
- Plain text: https://secwatch.observer/filing/0001517302-26-000003.txt

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