Skip to main content

Route One Investment Company, L.P.

Position in POST — Post Holdings, Inc.

CIK 1512171 San Francisco, CA

Position in POST

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$291,693,152
-$18,974,003 QoQ
Shares Held
2,950,568
-5.9% QoQ
Ownership
6.51%
of shares outstanding
% of Portfolio
13.98%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in POST Over Time

Shares Held

Position Value (USD)

Position in Packaged Foods

Consumer Defensive · as of Mar 31, 2026

Route One Investment Company, L.P. holds $412,799,008 across 2 Packaged Foods names. POST ranks #1 (70.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 POST
Post Holdings, Inc.
This page
2,950,568 $291,693,152

All Filings in POST

Export CSV
27 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $291,693,152 2,950,568
2026-03-31 $291,693,152 2,950,568
2025-12-31 $310,667,155 3,136,468
2025-09-30 $368,970,026 3,432,918
2025-06-30 $372,219,479 3,413,918
2025-06-30 $372,219,479 3,413,918
2025-03-31 $471,076,362 4,048,439
2024-12-31 $477,817,733 4,174,539
2024-09-30 $506,132,964 4,372,639
2024-06-30 $538,954,046 5,174,290
2024-03-31 $549,923,541 5,174,290
2023-12-31 $455,647,977 5,174,290
2023-09-30 $443,643,624 5,174,290
2023-06-30 $448,352,228 5,174,290
2023-03-31 $456,267,563 5,076,973
2022-12-31 $458,247,582 5,076,973
2022-09-30 $573,416,934 7,000,573
2022-06-30 $576,497,186 7,000,573
2022-03-31 $484,859,685 7,000,573
2021-12-31 $516,475,673 7,000,573
2021-09-30 $504,700,709 7,000,573
2021-06-30 $496,958,076 7,000,573
2021-03-31 $484,359,145 7,000,573
2020-12-31 $462,779,878 7,000,573
2020-09-30 $394,011,149 7,000,573
2020-06-30 $401,433,157 7,000,573
2020-03-31 $371,658,260 6,844,573