Eric R. Colson - 31 Dec 2025 SCHEDULE 13D/A Report for Artisan Partners Asset Management Inc. Class A Common Stock, $0.01 par value per share (APAM)

Filing Manager
Eric R. Colson
Reporting Manager
Charles J. Daley Jr.
Security
Artisan Partners Asset Management Inc. Class A Common Stock, $0.01 par value per share
Symbol
APAM
Shares outstanding
71,344,735 shares
Disclosed Ownership
7,277,163 shares
Ownership
10%
Form type
SCHEDULE 13D/A
Filing time
05 Jan 2026, 16:05:02 UTC
Date of event
31 Dec 2025
SEC
View on sec.gov

Quoteable Key Fact

"Eric R. Colson disclosed 10% ownership in Artisan Partners Asset Management Inc. Class A Common Stock, $0.01 par value per share (APAM) on 31 Dec 2025."

Quick Takeaways

  • Eric R. Colson filed SCHEDULE 13D/A for Artisan Partners Asset Management Inc. Class A Common Stock, $0.01 par value per share (APAM).
  • Disclosed ownership: 10%.
  • Date of event: 31 Dec 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 05 Jan 2026, 16:05.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Eric R. Colson 10% 7,276,763 0 7,276,763 /s/ Eric R. Colson, by Lisa A. Moran as attorney-in-fact Eric R. Colson, by Lisa A. Moran as attorney-in-fact 0001568880
Charles J. Daley Jr. 10% 7,277,163 400 7,276,763 /s/ Charles J. Daley Jr., by Lisa A. Moran as attorney-in-fact Charles J. Daley Jr., by Lisa A. Moran as attorney-in-fact 0001206661
Jason A. Gottlieb 10% 7,276,763 0 7,276,763 /s/ Jason A. Gottlieb, by Lisa A. Moran as attorney-in-fact Jason A. Gottlieb, by Lisa A. Moran as attorney-in-fact 0001695089