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Magnetar Financial LLC

Position in POST — Post Holdings, Inc.

CIK 1352851 EVANSTON, IL

Position in POST

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$1,524,816
+$1,318,199 QoQ
Shares Held
15,424
+639.4% QoQ
Ownership
0.034%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2025
2 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in POST Over Time

Shares Held

Position Value (USD)

Position in Packaged Foods

Consumer Defensive · as of Mar 31, 2026

Magnetar Financial LLC holds $17,311,143 across 12 Packaged Foods names. POST ranks #3 (8.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 POST
Post Holdings, Inc.
This page
15,424 $1,524,816

All Filings in POST

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2 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $1,524,816 15,424
2025-12-31 $206,617 2,086