Stocks › POST
Post Holdings, Inc.
POST·NYSE·
United States·USD
United States·USD$72.54
-0.78 (-1.06%)
Close · Oct 7, 2026 · Close Prices from Tiingo.com
POST
Post Holdings, Inc. · NYSE
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
POSTS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of POST by members of U.S. Congress · 20 on record
Whale Activity
Position changes in POST reported for 2026-06-30 by 14 tracked institutional filers
- Increased5
- New0
- Held1
- Decreased5
- Closed1
- No prior filing2
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 3.9M | $347.2M | decreased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.2M | $192.0M | decreased |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.8M | $157.5M | decreased |
| Point72 Asset Management, L.P. | 101.4M | $105.1M | increased |
| CITADEL ADVISORS LLC | 1.0M | $89.4M | increased |
| TWO SIGMA INVESTMENTS, LP | 639.7K | $56.5M | decreased |
| BOUSSARD & GAVAUDAN GESTION SAS | 30.0K | $31.5M | — |
| MILLENNIUM MANAGEMENT LLC | 284.0K | $25.1M | increased |
| D. E. Shaw & Co., Inc. | 137.5K | $12.1M | decreased |
| BlackRock, Inc. | 11.6M | $12.0M | increased |
| KNIGHTSBRIDGE ASSET MANAGEMENT, LLC | 78.5K | $7.8M | — |
| TWO SIGMA INVESTMENTS, LP | 6.8M | $7.0M | held |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by POST insiders, by quarter · Form 4
Recent Insider Transactions
986 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| STIRITZ WILLIAM P | Sale | −277.7K | $84.23 | $23.4M | Sep 2, 2026 | Form 4 ↗ |
| STIRITZ WILLIAM P | Sale | −228 | $85.01 | $19K | Sep 2, 2026 | Form 4 ↗ |
| STIRITZ WILLIAM P | Sale | −100.0K | $83.54 | $8.4M | Sep 1, 2026 | Form 4 ↗ |
| STIRITZ WILLIAM P | Sale | −6,207 | $84.63 | $525K | Sep 1, 2026 | Form 4 ↗ |
| CURL GREGORY LDirector | Sale | −6,186 | $105.05 | $650K | May 13, 2026 | Form 4 ↗ |
| Pearson Gregory CarlPRES & CEO, PCB | Grant / award | +2,571 | $0.00 | $0 | Apr 5, 2026 | Form 4 ↗ |
| Pearson Gregory CarlPRES & CEO, PCB | Grant / award | +5,914 | $0.00 | $0 | Apr 5, 2026 | Form 4 ↗ |
| Atkinson Michelle MarieDirector | Grant / award | +1,700 | $0.00 | $0 | Mar 16, 2026 | Form 4 ↗ |
| Zadoks Jeff ADirector | Grant / award | +1,700 | $0.00 | $0 | Mar 16, 2026 | Form 4 ↗ |
| CURL GREGORY LDirector | Sale | −6,983 | $114.31 | $798K | Feb 9, 2026 | Form 4 ↗ |
| ERB THOMAS CDirector | Grant / award | +1,600 | $0.00 | $0 | Feb 3, 2026 | Form 4 ↗ |
| BURWELL DOROTHY MDirector | Grant / award | +1,600 | $0.00 | $0 | Feb 3, 2026 | Form 4 ↗ |
| JOHNSON JENNIFER KUPERMANDirector | Grant / award | +1,600 | $0.00 | $0 | Feb 3, 2026 | Form 4 ↗ |
| KEMPER DAVID WDirector | Grant / award | +1,600 | $0.00 | $0 | Feb 3, 2026 | Form 4 ↗ |
| CURL GREGORY LDirector | Grant / award | +1,600 | $0.00 | $0 | Feb 3, 2026 | Form 4 ↗ |
| SKARIE DAVID PDirector | Grant / award | +1,600 | $0.00 | $0 | Feb 3, 2026 | Form 4 ↗ |
| HARPER BRADLY ASVP, CHIEF ACCTING OFFICER | Tax withholding | −478 | $98.43 | $47K | Jan 9, 2026 | Form 4 ↗ |
| Zadoks Jeff AEVP & COO | Tax withholding | −458 | $99.05 | $45K | Jan 2, 2026 | Form 4 ↗ |
| Zadoks Jeff AEVP & COO | Option exercise | +9,731 | $0.00 | $0 | Jan 2, 2026 | Form 4 ↗ |
| Zadoks Jeff AEVP & COO | Tax withholding | −420 | $99.05 | $42K | Jan 2, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding POST · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF iShares Trust | 1.4M | $120.4M | 0.10% | Jun 30, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 1.2M | $107.9M | 0.00% | Jun 30, 2026 |
| Touchstone Funds Group Trust-Touchstone Mid Cap Fund Touchstone Funds Group Trust | 957.7K | $84.5M | 1.88% | Jun 30, 2026 |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 882.8K | $77.9M | 0.04% | Jun 30, 2026 |
| U.S. SMALL CAP VALUE PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 786.3K | $71.9M | 0.37% | Jul 31, 2026 |
| JPMorgan Value Advantage Fund JPMorgan Trust I | 724.4K | $63.9M | 0.74% | Jun 30, 2026 |
| JPMorgan Mid Cap Value Fund J.P. Morgan Fleming Mutual Fund Group, Inc. | 686.5K | $60.6M | 0.54% | Jun 30, 2026 |
| VANGUARD SMALL-CAP VALUE INDEX FUND VANGUARD INDEX FUNDS | 559.7K | $49.4M | 0.07% | Jun 30, 2026 |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 457.1K | $40.3M | 0.04% | Jun 30, 2026 |
| Fidelity Small Cap Value Fund Fidelity Securities Fund | 346.0K | $36.2M | 0.71% | Apr 30, 2026 |
Mutual funds and ETFs whose N-PORT filings list POST's shares (CUSIP 737446104), each fund at its latest report since Mar 8, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
- Vanguard Portfolio ManagementSCHEDULE 13G/A · passive (13G) · 2.2M shares4.9%
Jul 31, 2026 · ↗ - Jason E. MomentSCHEDULE 13G/A · passive (13G) · 3.0M shares6.5%
May 14, 2026 · ↗ - William F. Duhamel, Jr.SCHEDULE 13G/A · passive (13G) · 3.0M shares6.5%
May 14, 2026 · ↗ - Route One Investment Company, LLCSCHEDULE 13G/A · passive (13G) · 3.0M shares6.5%
May 14, 2026 · ↗ - ROIC, LLCSCHEDULE 13G/A · passive (13G) · 3.0M shares6.5%
May 14, 2026 · ↗ - Route One Investment Company, L.P.SCHEDULE 13G/A · passive (13G) · 3.0M shares6.5%
May 14, 2026 · ↗ - Gerald W. HakalaSCHEDULE 13G/A · passive (13G) · 1.2M shares2.6%
May 14, 2026 · ↗ - Jeffrey A. HakalaSCHEDULE 13G/A · passive (13G) · 1.2M shares2.6%
May 14, 2026 · ↗ - Clarkston Companies, Inc.SCHEDULE 13G/A · passive (13G) · 1.2M shares2.6%
May 14, 2026 · ↗ - Clarkston Capital Partners, LLCSCHEDULE 13G/A · passive (13G) · 1.2M shares2.6%
May 14, 2026 · ↗
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming post as client
No lobbying filings found naming Post Holdings, Inc. as the client.
Government Contracts
Federal awards to Post Holdings, Inc. · USAspending
No federal contract awards found for Post Holdings, Inc..
U.S. Patents
Recent USPTO applications naming Post Holdings, Inc.
No USPTO patent applications found for Post Holdings, Inc..
Annual Financials
From POST's 10-K filings · XBRL
No annual XBRL figures on record for POST. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
- 26-for-17Stock splitMar 11, 2022
Split dates and ratios from the price history · Close Prices from Tiingo.com
Material Events (8-K)
Corporate events filed with the SEC
About Post Holdings, Inc.
From SEC EDGAR company records
Industry (SIC 2040)Grain Mill Products
SectorConsumer
HeadquartersST. LOUIS, MO
IncorporatedMO
SEC CIK0001530950 ↗