Who owns Post Holdings, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of POST from SEC Form 13F filings across 413 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 413 institutions disclosed 45.3M shares of Post Holdings, Inc. worth $4.01B — about 100.5% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
413
13F holders
$4.01B
value, 2026 filers
100.5%
of shares outstanding (45.3M sh)
71
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of POST's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 3.9M | $347.2M | 0.0% | 8.7% | -1.2% |
| 2 | DIMENSIONAL FUND ADVISORS LP | 3.2M | $278.6M | 0.1% | 7% | +2.8% |
| 3 | Route One Investment Company, L.P. | 3.0M | $260.4M | 10.5% | 6.5% | 0.0% |
| 4 | JPMORGAN CHASE & CO | 2.5M | $220.5M | 0.0% | 5.4% | -8.0% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.2M | $192.0M | 0.0% | 4.8% | -10.5% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 1.8M | $157.5M | 0.0% | 4% | -4.8% |
| 7 | LONDON CO OF VIRGINIA | 1.4M | $123.5M | 0.7% | 3.1% | -5.3% |
| 8 | STATE STREET CORP | 1.3M | $119.0M | 0.0% | 3% | -5.2% |
| 9 | NORGES BANKNEW | 1.3M | $115.6M | 0.0% | 2.9% | new |
| 10 | Holocene Advisors, LP | 1.2M | $110.1M | 0.2% | 2.8% | -29.4% |
| 11 | Clarkston Capital Partners, LLC | 1.2M | $106.4M | 9.0% | 2.7% | +1.1% |
| 12 | UBS Group AG | 1.2M | $103.1M | 0.0% | 2.6% | +11.8% |
| 13 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 1.2M | $101.9M | 0.1% | 2.6% | -8.6% |
| 14 | CITADEL ADVISORS LLC | 1.0M | $89.4M | 0.0% | 2.2% | +363.0% |
| 15 | MORGAN STANLEY | 1.0M | $89.3M | 0.0% | 2.2% | +27.2% |
| 16 | GEODE CAPITAL MANAGEMENT, LLC | 746,967 | $65.9M | 0.0% | 1.7% | -7.4% |
| 17 | TWO SIGMA INVESTMENTS, LP | 639,671 | $56.5M | 0.0% | 1.4% | -54.0% |
| 18 | Diamond Hill Capital Management, LLC (Investment Advisor) | 618,618 | $54.6M | 0.4% | 1.4% | -24.2% |
| 19 | Junto Capital Management LP | 589,457 | $52.0M | 0.9% | 1.3% | +44.6% |
| 20 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 549,985 | $48.5M | 0.0% | 1.2% | +278.8% |
| 21 | FMR LLC | 516,577 | $45.6M | 0.0% | 1.1% | -37.8% |
| 22 | Fisher Asset Management, LLC | 481,429 | $42.5M | 0.0% | 1.1% | +5.0% |
| 23 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 455,118 | $40.2M | 0.0% | 1% | -2.4% |
| 24 | NORTHERN TRUST CORP | 374,967 | $33.1M | 0.0% | 0.8% | -3.5% |
| 25 | AQR CAPITAL MANAGEMENT LLC | 364,398 | $32.0M | 0.0% | 0.8% | +4.1% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.