Post Holdings, Inc.

POST

Exchange: NYSE
Industry: Grain Mill Products
SEC CIK: 0001530950

SEC filings (opens in a new tab)

In the last 90 days, Post Holdings, Inc. insiders filed 0 open-market purchases and 1 sale; 415 institutions reported holding it in 13F filings for Q2 2026, worth $4.00B in total; no superinvestor holds it.

13F holders, Q3 2026

Institutional positions in Post Holdings, Inc. as of Sep 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.

Institutional holders: 4; +1 vs. Q2 2026
Shares held: 2.29K; +1.85K (+420.0%) vs. Q2 2026
Total value: $166.7K; +$127.5K (+325.5%) vs. Q2 2026
New holders: 1; 2 more added
Sold out: 0; 1 more reduced

412 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting POST on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holders

Value held

Institutions holding POST and their total value by quarter
Quarter	Holders	Value
Q2 2026	415	$4.00B
Q1 2026	428	$4.49B
Q4 2025	410	$4.73B
Q3 2025	416	$5.21B
Q2 2025	434	$5.58B
Q1 2025	418	$6.21B
Q4 2024	413	$6.03B
Q3 2024	408	$6.06B
Q2 2024	380	$5.55B
Q1 2024	376	$5.79B
Q4 2023	362	$5.05B
Q3 2023	358	$4.63B
Q2 2023	332	$4.49B
Q1 2023	354	$4.74B
Q4 2022	357	$4.73B
Q3 2022	324	$4.44B
Q2 2022	311	$4.45B
Q1 2022	303	$3.95B
Q4 2021	328	$6.32B
Q3 2021	319	$6.32B
Q2 2021	325	$6.37B
Q1 2021	315	$5.94B

Institutions, Q3 2026

Shares, value and share of portfolio for each institution holding Post Holdings, Inc.; share changes are against Q2 2026.

Institutions holding POST in Q3 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	–	–	–	–	Not filed
Covestor Ltd	–	–	–	–	Not filed
DV Trading LLC	–	–	–	–	Not filed
Larson Financial Group LLC	–	–	–	–	Not filed
Northwestern Mutual Wealth Management Co	–	–	–	–	Not filed
National Bank of Canada	–	–	–	–	Not filed
Crewe Advisors LLC	–	–	–	–	Not filed
Evelyn Partners Group Ltd	–	–	–	–	Not filed
Nomura Asset Management Co Ltd	–	–	–	–	Not filed
Purpose Unlimited Inc.	–	–	–	–	Not filed
Anchor Investment Management, LLC	–	–	–	–	Not filed
High Note Wealth, LLC	–	–	–	–	Not filed
GWM Advisors LLC	–	–	–	–	Not filed
Fortitude Family Office, LLC	–	–	–	–	Not filed
Bessemer Group Inc	–	–	–	–	Not filed
LRI Investments, LLC	–	–	–	–	Not filed
Meramec Financial Planners, LLC	–	–	–	–	Not filed
WPG Advisers, LLC	–	–	–	–	Not filed
Parallel Advisors, LLC	–	–	–	–	Not filed
Los Angeles Capital Management LLC	–	–	–	–	Not filed
First Horizon Corp	–	–	–	–	Not filed
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.	–	–	–	–	Not filed
EverSource Wealth Advisors, LLC	–	–	–	–	Not filed
Farther Finance Advisors, LLC	–	–	–	–	Not filed
Consultiva Wealth Management, Corp.	–	–	–	–	Not filed
Institute for Wealth Management, LLC.	–	–	–	–	Not filed
Smartleaf Asset Management LLC	–	–	–	–	Not filed
Umb Bank N A	–	–	–	–	Not filed
Signaturefd, LLC	–	–	–	–	Not filed
TD Private Client Wealth LLC	–	–	–	–	Not filed
Fairscale Capital, LLC	–	–	–	–	Not filed
Atlas Capital Advisors LLC	–	–	–	–	Not filed
Ameriflex Group, Inc.	–	–	–	–	Not filed
University of Texas/Texas Am Investment Managment Co	–	–	–	–	Not filed
Asset Dedication, LLC	–	–	–	–	Not filed
Action Point Financial Planning, LLC	–	–	–	–	Not filed
Bell Investment Advisors, Inc	–	–	–	–	Not filed
Ares Financial Consulting, LLC	–	–	–	–	Not filed
Huntington National Bank	–	–	–	–	Not filed
Massmutual Trust Co FSB	–	–	–	–	Not filed
True Wealth Design, LLC	–	–	–	–	Not filed
Beaird Harris Wealth Management, LLC	–	–	–	–	Not filed
Private Wealth Management Group, LLC	–	–	–	–	Not filed
Atlantic Trust, LLC	–	–	–	–	Not filed
Bartlett & Co. Wealth Management LLC	–	–	–	–	Not filed
Legacy Bridge, LLC	–	–	–	–	Not filed
Smithfield Trust Co	–	–	–	–	Not filed
JFS Wealth Advisors, LLC	–	–	–	–	Not filed
Basecamp Wealth Advisors LLC	–	–	–	–	Not filed
Mather Group, LLC.	–	–	–	–	Not filed
Bare Financial Services, Inc	–	–	–	–	Not filed
Adirondack Trust Co	–	–	–	–	Not filed
DHJJ Financial Advisors, Ltd.	–	–	–	–	Not filed
CoreCap Advisors, LLC	–	–	–	–	Not filed
Rosenberg Matthew Hamilton	–	–	–	–	Not filed
Whittier Trust Co of Nevada Inc	–	–	–	–	Not filed
CVA Family Office, LLC	–	–	–	–	Not filed
Signature Equity Partners, LLC	–	–	–	–	Not filed
Hartford Financial Management Inc.	–	–	–	–	Not filed
Farmers & Merchants Investments Inc	–	–	–	–	Not filed
St. Johns Investment Management Company, LLC	–	–	–	–	Not filed
Fairman Group, LLC	–	–	–	–	Not filed
Harbor Investment Advisory, LLC	–	–	–	–	Not filed
Allworth Financial LP	–	–	–	–	Not filed
Creative Financial Designs Inc	–	–	–	–	Not filed
Quent Capital, LLC	–	–	–	–	Not filed
Creative Capital Management Investments LLC	–	–	–	–	Not filed
Sfam, LLC	–	–	–	–	Not filed
Pinnacle Wealth Planning Services, Inc.	–	–	–	–	Not filed
IFG Advisory, LLC	–	–	–	–	Not filed
Beacon Investment Advisory Services, Inc.	–	–	–	–	Not filed
Key Financial Inc	–	–	–	–	Not filed
Trust Co	–	–	–	–	Not filed
Rialto Wealth Management, LLC	–	–	–	–	Not filed
Financial Management Professionals, Inc.	–	–	–	–	Not filed
Kilter Group LLC	–	–	–	–	Not filed
Brown, Lisle/Cummings, Inc.	–	–	–	–	Not filed
Financial Perspectives, Inc	–	–	–	–	Not filed
North Star Investment Management Corp.	–	–	–	–	Not filed
Bogart Wealth, LLC	–	–	–	–	Not filed
DiNuzzo Private Wealth, Inc.	–	–	–	–	Not filed
SJS Investment Consulting Inc.	–	–	–	–	Not filed
First Command Advisory Services, Inc.	–	–	–	–	Not filed
Bay Harbor Wealth Management, LLC	–	–	–	–	Not filed
Bryn Mawr Trust Co	–	–	–	–	Not filed
Webster Bank, N. A.	–	–	–	–	Not filed
HFM Investment Advisors, LLC	–	–	–	–	Not filed
Cromwell Holdings LLC	–	–	–	–	Not filed
Quarry LP	–	–	–	–	Not filed
Investors Portfolio Services LLC	–	–	–	–	Not filed
Providence Capital Advisors, LLC	–	–	–	–	Not filed
Ronald Blue Trust, Inc.	–	–	–	–	Not filed
MidFirst Bank	–	–	–	–	Not filed
Highline Wealth Partners LLC	–	–	–	–	Not filed
Hughes Financial Services, LLC	–	–	–	–	Not filed
Westfuller Advisors, LLC	–	–	–	–	Not filed
UMA Financial Services, Inc.	–	–	–	–	Not filed
JPL Wealth Management, LLC	–	–	–	–	Not filed
Bruce G. Allen Investments, LLC	–	–	–	–	Not filed
Continuum Advisory, LLC	–	–	–	–	Not filed