Security key
737446104
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 506
- Total 13F value
- $45,008
- Share change
- -2,899
- SEC-reported price per share
- $88.26
- Number of holders
- 3
- Value change
- -$255,864
- Number of sells
- 2
- Shares outstanding
- 45,393,354
Holder snapshot
5 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2026
Institutions
3
Top holders
3
POST full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q1 2026
Post Holdings, Inc. SEC filings
Post Holdings, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 737446104
Recent filing periods:
Ownership snapshot
Top reported holders of POST - Post Holdings, Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
William P. Stiritz
Disclosed value leader
William P. Stiritz
Comparable rows
15/15
Latest evidence
05 Apr 2026
13D/G
3/4/5
13F
Lead comparable stake: 10%
13D/G row: William P. Stiritz
Showing 1-6 of 15 holder rows.
Quick read
William P. Stiritz leads the comparable SEC ownership view at 10%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens William P. Stiritz's linked filing trail.
Comparable ownership
Top 5
William P. Stiritz
10%
Route One Investment Company, L.P.
6.5%
DIMENSIONAL FUND ADVISORS LP
6.4%
VANGUARD PORTFOLIO MANAGEMENT LLC
5.1%
JPMORGAN CHASE & CO
5.1%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| William P. Stiritz |
13D/G
3/4/5
Chairman Emeritus
|
10%
|
$539,404,522
4,885,468 shares
|
+$276,025 | 04 Mar 2026 |
| Route One Investment Company, L.P. |
13D/G
13F
Company
|
6.5%
|
$294,643,720
2,950,568 shares
|
-$46,270,131 | 31 Mar 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13D/G
13F
Company
|
6.4%
|
$303,685,562
3,071,875 shares
|
+$25,649,425 | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
13F
Vanguard Portfolio Management · Company
|
5.1%
|
$243,206,870
2,460,114 shares
|
$0 | 31 Mar 2026 |
| JPMORGAN CHASE & CO |
13D/G
13F
Company
|
5.1%
|
$299,943,791
2,790,694 shares
|
$0 | 30 Sep 2025 |
| Clarkston Capital Partners, LLC |
13D/G
13F
Company
|
2.6%
|
$119,139,671
1,193,067 shares
|
$0 | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
3
Shares
506
Rows available
3
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q2 2026 vs Q1 2026 Across Filers
Q1 2026 holders
425
Q2 2026 holders
3
Holder diff
-422
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend