Latest Period
Q1 2026
Security Snapshot
Post Holdings, Inc. - Common Stock (POST) Institutional Ownership
CUSIP: 737446104
13F Institutional Holders and Ownership History from Q1 2014 to Q2 2026
Institutions Reporting
425
Shares (Excl. Options)
45,495,123
Price
$98.86
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- Security type / class
- Equity / Common Stock
- Symbol
- POST on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 45,495,123
- Total 13F value
- $4,493,148,588
- Portfolio coverage rank
- 0.01%
- Share change
- -1,894,601
- Value change
- -$187,605,495
- Number of holders
- 425
- Shares outstanding
- 45,393,354
- SEC-reported price per share
- $88.26
- Insider filing price
- $88.26
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- POST - Post Holdings, Inc. - Common Stock is tracked under CUSIP 737446104.
- 425 institutions reported positions in Q1 2026.
- 6 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 425 to 18 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $4,493,148,588 to $8,883,815.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 425 institutions filings for Q1 2026.
Security key
737446104
Latest holder period
Q1 2026
13F holders
425
13D/G owners
6
CIK / CUSIP context first
Open Q1 2026 holders
POST full holder history
Post Holdings, Inc. SEC filings
Post Holdings, Inc. company facts
Post Holdings, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 737446104:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
6
Security
POST
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| STIRITZ WILLIAM P | 10% | +11% | $539,404,522 | +$276,025 | 4,885,468 | +0.05% | William P. Stiritz | 04 Mar 2026 |
| DIMENSIONAL FUND ADVISORS LP | 6.4% | +24% | $303,685,562 | +$25,649,425 | 3,071,875 | +9.2% | Dimensional Fund Advisors LP | 31 Mar 2026 |
| Route One Investment Company, L.P. | 6.5% | +6.7% | $294,643,720 | -$46,270,131 | 2,950,568 | -14% | Route One Investment Company, L.P. | 31 Mar 2026 |
| JPMORGAN CHASE & CO | 5.1% | $299,943,791 | 2,790,694 | JPMORGAN CHASE & CO. | 30 Sep 2025 | |||
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.1% | $243,206,870 | 2,460,114 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| Clarkston Capital Partners, LLC | 2.6% | $119,139,671 | 1,193,067 | Clarkston Capital Partners, LLC | 31 Mar 2026 |
As of 31 Mar 2026, 425 institutional investors reported holding 45,495,123 shares of Post Holdings, Inc. - Common Stock (POST). This represents 100% of the company’s total 45,393,354 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
74%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8.8% | 3,979,802 | -5.3% | 0.01% | $393,443,204 |
| DIMENSIONAL FUND ADVISORS LP | 6.8% | 3,071,875 | +3.9% | 0.06% | $303,678,023 |
| Route One Investment Company, L.P. | 6.5% | 2,950,568 | -5.9% | 13% | $291,693,152 |
| JPMORGAN CHASE & CO | 5.9% | 2,668,814 | -10% | 0.02% | $259,408,868 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.4% | 2,431,497 | 0% | 0.01% | $240,377,793 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.1% | 1,874,037 | 0% | 0% | $185,267,298 |
| Holocene Advisors, LP | 3.9% | 1,766,642 | +53% | 0.42% | $174,650,228 |
| LONDON CO OF VIRGINIA | 3.3% | 1,476,638 | -6.9% | 0.9% | $145,981,437 |
| STATE STREET CORP | 3.1% | 1,422,219 | -4% | 0% | $140,600,570 |
| TWO SIGMA INVESTMENTS, LP | 3.1% | 1,392,048 | +92% | 0.11% | $137,617,865 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 2.8% | 1,263,594 | -5.5% | 0.11% | $124,918,903 |
| Clarkston Capital Partners, LLC | 2.6% | 1,193,067 | -58% | 9% | $117,946,604 |
| UBS Group AG | 2.3% | 1,044,362 | +69% | 0.02% | $103,245,628 |
| FMR LLC | 1.8% | 831,169 | -9.6% | 0% | $82,169,376 |
| DIAMOND HILL CAPITAL MANAGEMENT INC | 1.8% | 816,143 | -8.6% | 0.5% | $80,683,897 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.8% | 806,826 | -8.4% | 0% | $79,782,605 |
| MORGAN STANLEY | 1.8% | 795,423 | -13% | 0% | $78,635,767 |
| T. Rowe Price Investment Management, Inc. | 1.5% | 688,419 | -8.1% | 0.05% | $68,058,000 |
| Invesco Ltd. | 1.2% | 560,132 | -4.7% | 0.01% | $55,374,651 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1% | 466,298 | -6.5% | 0.01% | $46,098,220 |
| Quantinno Capital Management LP | 1% | 462,631 | +41% | 0.08% | $45,735,701 |
| Fisher Asset Management, LLC | 1% | 458,453 | +89% | 0.02% | $45,322,703 |
| Point72 Asset Management, L.P. | 0.94% | 427,198 | +417% | 0.07% | $42,232,794 |
| Junto Capital Management LP | 0.9% | 407,608 | 0.86% | $40,296,127 | |
| NORTHERN TRUST CORP | 0.86% | 388,707 | -4.2% | 0.01% | $38,427,574 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
50
Latest
Q1 2026
Rows shown
1-25 of 50
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 100,636 | $8,883,815 | -$831,140 | $88.26 | 18 |
| 2026 Q1 | 45,495,123 | $4,493,148,588 | -$187,605,495 | $98.86 | 425 |
| 2025 Q4 | 47,777,483 | $4,732,518,126 | -$98,905,952 | $99.05 | 408 |
| 2025 Q3 | 48,461,471 | $5,208,231,530 | -$285,368,589 | $107.48 | 414 |
| 2025 Q2 | 51,180,494 | $5,580,180,374 | -$123,308,613 | $109.03 | 430 |
| 2025 Q1 | 52,282,258 | $6,082,503,542 | -$25,916,874 | $116.36 | 414 |
| 2024 Q4 | 52,648,311 | $6,025,308,840 | -$8,547,101 | $114.46 | 411 |
| 2024 Q3 | 52,354,306 | $6,060,064,167 | -$82,537,003 | $115.75 | 406 |
| 2024 Q2 | 53,337,584 | $5,556,086,171 | -$112,400,660 | $104.16 | 379 |
| 2024 Q1 | 54,458,137 | $5,786,423,666 | -$288,634,508 | $106.28 | 373 |
| 2023 Q4 | 57,341,200 | $5,050,867,354 | +$290,408,223 | $88.06 | 360 |
| 2023 Q3 | 54,060,608 | $4,635,108,133 | +$182,797,314 | $85.74 | 355 |
| 2023 Q2 | 51,826,163 | $4,491,446,215 | -$84,990,381 | $86.65 | 326 |
| 2023 Q1 | 52,598,291 | $4,726,921,601 | +$26,109,668 | $89.87 | 348 |
| 2022 Q4 | 52,444,057 | $4,733,431,259 | -$147,913,901 | $90.26 | 353 |
| 2022 Q3 | 54,274,267 | $4,446,046,057 | -$173,019,475 | $81.91 | 313 |
| 2022 Q2 | 53,985,185 | $4,445,936,069 | -$191,349,589 | $82.35 | 301 |
| 2022 Q1 | 56,982,563 | $3,947,662,471 | +$26,531,907 | $69.26 | 291 |
| 2021 Q4 | 56,074,842 | $6,320,968,667 | -$151,147,394 | $112.73 | 318 |
| 2021 Q3 | 57,356,293 | $6,317,996,205 | -$151,969,026 | $110.16 | 311 |
| 2021 Q2 | 58,734,178 | $6,369,880,566 | +$272,552,283 | $108.47 | 319 |
| 2021 Q1 | 56,224,749 | $5,944,851,132 | -$132,980,512 | $105.72 | 308 |
| 2020 Q4 | 57,496,086 | $5,806,969,116 | -$170,579,262 | $101.01 | 303 |
| 2020 Q3 | 59,299,599 | $5,092,267,564 | -$40,845,162 | $86.00 | 294 |
| 2020 Q2 | 59,734,615 | $5,233,827,704 | -$131,514,477 | $87.62 | 299 |