Route One Investment Company, L.P. - Jun 30, 2025 SCHEDULE 13G/A Report for Post Holdings, Inc. Common Stock (POST)

Filing Manager
Route One Investment Company, L.P.
Reporting Manager
Route One Investment Company, L.P.
Security
Post Holdings, Inc. Common Stock
Symbol
POST
Shares outstanding
56M shares
Disclosed Ownership
3.41M shares
Ownership
6.1%
Form type
SCHEDULE 13G/A
Date filed
8/13/2025, 06:05 PM
Date of event
Jun 30, 2025
SEC
View on sec.gov

Reporting Managers (6)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Route One Investment Company, L.P. 6.1% 3.41M 0 3.41M /s/ Jason E. Moment Managing Member of the General Partner, ROIC, LLC
ROIC, LLC 6.1% 3.41M 0 3.41M /s/ Jason E. Moment Managing Member
Route One Investment Company, LLC 6.1% 3.41M 3.41M 0 /s/ Jason E. Moment Managing Member
Route One Offshore Master Fund, L.P. 4.2% 2.35M 0 2.35M /s/ Jason E. Moment Managing Member of the General Partner, Route One Investment Company, LLC
William F. Duhamel, Jr. 6.1% 3.41M 0 3.41M /s/ William F. Duhamel, Jr. Reporting person
Jason E. Moment 6.1% 3.41M 0 3.41M /s/ Jason E. Moment Reporting person