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Calamos Advisors LLC

Position in POST — Post Holdings, Inc.

CIK 1316507 NAPERVILLE, IL

Position in POST

as of Mar 31, 2026 · filed May 4, 2026
Position Value
$294,800
-$841,215 QoQ
Shares Held
2,982
-70.0% QoQ
Ownership
0.007%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2024
5 quarters on record
Voting authority Sole 0.ToString("F0")% Shared 0.ToString("F0")% None 100.ToString("F0")%

Common Shares in POST Over Time

Shares Held

Position Value (USD)

Position in Packaged Foods

Consumer Defensive · as of Mar 31, 2026

Calamos Advisors LLC holds $16,761,712 across 7 Packaged Foods names. POST ranks #6 (1.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 POST
Post Holdings, Inc.
This page
2,982 $294,800

All Filings in POST

Export CSV
5 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $294,800 2,982
2024-12-31 $1,136,015 9,925
2024-09-30 $1,148,818 9,925
2024-06-30 $749,952 7,200
2024-03-31 $765,216 7,200