Post Holdings
POST · NYSE
$78.26+$0.84 (+1.08%)TodayMarket closed ·
Prev close $77.42
Who owns POST
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 54.4% of POST’s shares.
- Stiritz (William P)10.8%
- BlackRock Institutional Trust Company, N.A.7.7%
- Dimensional Fund Advisors, L.P.7.0%
- Route One Investment Company, L.P.6.5%
- Next 6 largest institutions22.4%
- All other shareholders45.6%
| Holder | Shares | % of shares |
|---|---|---|
| Stiritz (William P) | 4.89M | 10.78% |
| BlackRock Institutional Trust Company, N.A. | 3.48M | 7.67% |
| Dimensional Fund Advisors, L.P. | 3.16M | 6.97% |
| Route One Investment Company, L.P. | 2.95M | 6.51% |
| Vanguard Portfolio Management, LLC | 2.18M | 4.80% |
| JP Morgan Asset Management | 2.15M | 4.75% |
| Vanguard Capital Management, LLC | 1.78M | 3.94% |
| The London Company of Virginia, LLC | 1.40M | 3.09% |
| State Street Investment Management (US) | 1.35M | 2.98% |
| Norges Bank Investment Management (NBIM) | 1.31M | 2.89% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Mid-Cap ETF | 1.40M | 3.08% |
| Statens Pensjonsfond Utland | 1.31M | 2.89% |
| Vanguard Total Stock Market Index Fund | 1.23M | 2.71% |
| Touchstone Mid Cap Fund | 957.70K | 2.11% |
| Vanguard Small-Cap Index Fund | 885.16K | 1.95% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $32.94M (5 trades) of POST on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Atkinson Michelle Marie | Award | 153 | $11.15K |
| ERB THOMAS C | Award | 153 | $11.15K |
| BURWELL DOROTHY M | Award | 153 | $11.15K |
| JOHNSON JENNIFER KUPERMAN | Award | 153 | $11.15K |
| KEMPER DAVID W | Award | 236 | $17.19K |
| Zadoks Jeff A | Award | 153 | $11.15K |
| CURL GREGORY L | Award | 153 | $11.15K |
| SKARIE DAVID P | Award | 183 | $13.33K |
| STIRITZ WILLIAM P | Sale | 228 | $19.38K |
| STIRITZ WILLIAM P | Sale | 277.71K | $23.39M |
Short interest
Settled Sep 30, 2026
- Shares short
- 5.57M
- Days to cover
- 5.53
- % of shares outstanding
- 12.28%
- Average daily volume
- 1.01M
- Change since last report
- −5.5%
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