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
Versant Capital Management, Inc	2,061	$150.1K	0.01%	+1,792+666.2%	Added
CX Institutional	178	$13.0K	0.00%	+12+7.2%	Added
GoalVest Advisory LLC	47	$3.42K	0.00%	+47	New
Planning Strategies Inc.	2	$146	0.00%	−3−60.0%	Reduced
BlackRock, Inc.	–	–	–	–	Not filed
Dimensional Fund Advisors LP	–	–	–	–	Not filed
Route One Investment Company, L.P.	–	–	–	–	Not filed
JPMorgan Chase & Co	–	–	–	–	Not filed
Vanguard Portfolio Management LLC	–	–	–	–	Not filed
Vanguard Capital Management LLC	–	–	–	–	Not filed
London Co of Virginia	–	–	–	–	Not filed
State Street Corp	–	–	–	–	Not filed
Norges Bank	–	–	–	–	Not filed
Holocene Advisors, LP	–	–	–	–	Not filed
Clarkston Capital Partners, LLC	–	–	–	–	Not filed
UBS Group AG	–	–	–	–	Not filed
Manufacturers Life Insurance Company, The	–	–	–	–	Not filed
Citadel Advisors LLC	–	–	–	–	Not filed
Morgan Stanley	–	–	–	–	Not filed
Geode Capital Management, LLC	–	–	–	–	Not filed
Two Sigma Investments, LP	–	–	–	–	Not filed
Diamond Hill Capital Management Inc	–	–	–	–	Not filed
Junto Capital Management LP	–	–	–	–	Not filed
UBS Asset Management Americas Inc	–	–	–	–	Not filed
FMR LLC	–	–	–	–	Not filed
Fisher Asset Management, LLC	–	–	–	–	Not filed
Charles Schwab Investment Management Inc	–	–	–	–	Not filed
Northern Trust Corp	–	–	–	–	Not filed
AQR Capital Management LLC	–	–	–	–	Not filed
PYA Waltman Capital, LLC	–	–	–	–	Not filed
Bank of America Corp	–	–	–	–	Not filed
Goldman Sachs Group Inc	–	–	–	–	Not filed
Quantinno Capital Management LP	–	–	–	–	Not filed
Invesco Ltd.	–	–	–	–	Not filed
Millennium Management LLC	–	–	–	–	Not filed
Citigroup Inc	–	–	–	–	Not filed
Victory Capital Management Inc	–	–	–	–	Not filed
T. Rowe Price Investment Management, Inc.	–	–	–	–	Not filed
Bank of New York Mellon Corp	–	–	–	–	Not filed
Arrowstreet Capital, Limited Partnership	–	–	–	–	Not filed
Loomis Sayles & Co L P	–	–	–	–	Not filed
Vanguard Fiduciary Trust Co	–	–	–	–	Not filed
Balyasny Asset Management LLC	–	–	–	–	Not filed
Raymond James Financial Inc	–	–	–	–	Not filed
EULAV Asset Management	–	–	–	–	Not filed
Gamco Investors, Inc. Et Al	–	–	–	–	Not filed
Iridian Asset Management LLC	–	–	–	–	Not filed
H Squared Management LP	–	–	–	–	Not filed
Braun Stacey Associates Inc	–	–	–	–	Not filed
Natixis Advisors, L.P.	–	–	–	–	Not filed
BNP Paribas Arbitrage, SA	–	–	–	–	Not filed
Jones Financial Companies LLLP	–	–	–	–	Not filed
Wallace Capital Management Inc.	–	–	–	–	Not filed
Gabelli Funds LLC	–	–	–	–	Not filed
Gotham Asset Management, LLC	–	–	–	–	Not filed
Deutsche Bank AG	–	–	–	–	Not filed
Wells Fargo & Company	–	–	–	–	Not filed
ExodusPoint Capital Management, LP	–	–	–	–	Not filed
Hancock Whitney Corp	–	–	–	–	Not filed
Envestnet Asset Management Inc	–	–	–	–	Not filed
First Trust Advisors LP	–	–	–	–	Not filed
D. E. Shaw & Co., Inc.	–	–	–	–	Not filed
SEI Investments Co	–	–	–	–	Not filed
Thompson Siegel & Walmsley LLC	–	–	–	–	Not filed
Kennedy Capital Management, Inc.	–	–	–	–	Not filed
Franklin Resources Inc	–	–	–	–	Not filed
Rhumbline Advisers	–	–	–	–	Not filed
Prudential Financial Inc	–	–	–	–	Not filed
Teachers Retirement System of the State of Kentucky	–	–	–	–	Not filed
Price T Rowe Associates Inc	–	–	–	–	Not filed
Soapstone Management L.P.	–	–	–	–	Not filed
Cambria Investment Management, L.P.	–	–	–	–	Not filed
HSBC Holdings PLC	–	–	–	–	Not filed
Nuveen, LLC	–	–	–	–	Not filed
Principal Financial Group Inc	–	–	–	–	Not filed
LSV Asset Management	–	–	–	–	Not filed
Swiss National Bank	–	–	–	–	Not filed
Capital Fund Management S.A.	–	–	–	–	Not filed
Tudor Investment Corp Et Al	–	–	–	–	Not filed
Commerce Bank	–	–	–	–	Not filed
Cohen Capital Management, Inc.	–	–	–	–	Not filed
Carnegie Capital Asset Management, LLC	–	–	–	–	Not filed
Bridgewater Associates, LP	–	–	–	–	Not filed
XTX Topco Ltd	–	–	–	–	Not filed
California Public Employees Retirement System	–	–	–	–	Not filed
Nordea Investment Management AB	–	–	–	–	Not filed
American Century Companies Inc	–	–	–	–	Not filed
LGT Fund Management Co Ltd.	–	–	–	–	Not filed
Wellington Management Group LLP	–	–	–	–	Not filed
Artemis Investment Management LLP	–	–	–	–	Not filed
Legal & General Group Plc	–	–	–	–	Not filed
Ilex Capital Partners (UK) LLP	–	–	–	–	Not filed
CIBC Bancorp USA Inc.	–	–	–	–	Not filed
HRT Financial LP	–	–	–	–	Not filed
Moran Wealth Management, LLC	–	–	–	–	Not filed
Man Group plc	–	–	–	–	Not filed
Alliancebernstein L.P.	–	–	–	–	Not filed
California State Teachers Retirement System	–	–	–	–	Not filed
Royal Bank of Canada	–	–	–	–	Not filed
New York State Teachers Retirement System	–	–	–	–	Not filed