Company · Ownership research

Post Holdings, Inc. POST

CIK 0001530950 · CUSIP 737446104

Insider trading Initial holdings Institutional holders

Quarter-end disclosures, not live holdings.

Several CUSIPs are reported for this company; this page shows CUSIP 737446104 (POST), not CUSIP 737446954 (POST), CUSIP 737446904 (POST), and does not merge CUSIPs.

This page lists the top 20 of 416 rows by value; the complete set is available through the API.

Some filings reported values in thousands; those figures were scaled ×1,000 to dollars.

Top 20 institutions

Weight means this stock's share of the manager's own portfolio.

By reported value

#	Manager	Value	Manager weight	Change vs prior	Source
01	VANGUARD GROUP INC CIK 102909 · View history	$566.46M 5,270,361 shares	0.01%	-125.75K(-2.30%)Reduced	SEC filing ↗ Nov 7, 2025	▾
02	BlackRock, Inc. CIK 2012383 · View history	$460.41M 4,283,645 shares	0.01%	-150.89K(-3.40%)Reduced	SEC filing ↗ Nov 12, 2025	▾
03	Route One Investment Company, L.P. CIK 1512171 · View history	$368.97M 3,432,918 shares	14.72%	+19.00K(+0.60%)Added	SEC filing ↗ Nov 14, 2025	▾
04	Clarkston Capital Partners, LLC CIK 1562855 · View history	$312.11M 2,903,860 shares	6.72%	-139.91K(-4.60%)Reduced	SEC filing ↗ Nov 13, 2025	▾
05	JPMORGAN CHASE & CO CIK 19617 · Amended · View history	$304.96M 2,837,372 shares	0.02%	+132.74K(+4.90%)Added	SEC filing ↗ Nov 26, 2025	▾
06	DIMENSIONAL FUND ADVISORS LP CIK 354204 · View history	$302.27M 2,812,423 shares	0.06%	+110.93K(+4.10%)Added	SEC filing ↗ Nov 12, 2025	▾
07	LONDON CO OF VIRGINIA CIK 1259887 · View history	$189.78M 1,765,685 shares	1.05%	-77.55K(-4.20%)Reduced	SEC filing ↗ Nov 14, 2025	▾
08	STATE STREET CORP CIK 93751 · View history	$159.66M 1,485,469 shares	0.01%	+8.21K(+0.60%)Added	SEC filing ↗ Nov 14, 2025	▾
09	MANUFACTURERS LIFE INSURANCE COMPANY, THE CIK 928047 · View history	$154.80M 1,440,306 shares	0.13%	+126.45K(+9.60%)Added	SEC filing ↗ Nov 14, 2025	▾
10	T. Rowe Price Investment Management, Inc. CIK 1897612 · View history	$135.28M 1,258,685 shares	0.08%	-9.52K(-0.80%)Reduced	SEC filing ↗ Nov 14, 2025	▾
11	Holocene Advisors, LP CIK 1700574 · View history	$123.42M 1,148,277 shares	0.28%	-329.07K(-22.30%)Reduced	SEC filing ↗ Nov 14, 2025	▾
12	DIAMOND HILL CAPITAL MANAGEMENT INC CIK 1217541 · View history	$96.74M 900,101 shares	0.46%	-10.05K(-1.10%)Reduced	SEC filing ↗ Nov 5, 2025	▾
13	GEODE CAPITAL MANAGEMENT, LLC CIK 1214717 · View history	$93.75M 872,087 shares	0.01%	+42.72K(+5.20%)Added	SEC filing ↗ Nov 12, 2025	▾
14	MORGAN STANLEY CIK 895421 · Amended · View history	$86.16M 801,669 shares	0.01%	+336.64K(+72.40%)Added	SEC filing ↗ May 27, 2026	▾
15	Invesco Ltd. CIK 914208 · View history	$65.90M 613,116 shares	0.01%	+33.50K(+5.80%)Added	SEC filing ↗ Nov 13, 2025	▾
16	PRICE T ROWE ASSOCIATES INC /MD/ CIK 80255 · View history	$62.23M 579,033 shares	0.01%	+11.43K(+2.00%)Added	SEC filing ↗ Nov 14, 2025	▾
17	FULLER & THALER ASSET MANAGEMENT, INC. CIK 1082327 · View history	$60.43M 562,284 shares	0.21%	-826(-0.10%)Reduced	SEC filing ↗ Nov 13, 2025	▾
18	UBS Group AG CIK 1610520 · View history	$58.61M 545,278 shares	0.01%	+72.57K(+15.40%)Added	SEC filing ↗ Nov 13, 2025	▾
19	THOMPSON SIEGEL & WALMSLEY LLC CIK 1008322 · View history	$55.05M 512,190 shares	0.89%	-28.99K(-5.40%)Reduced	SEC filing ↗ Nov 12, 2025	▾
20	CHARLES SCHWAB INVESTMENT MANAGEMENT INC CIK 884546 · View history	$53.53M 498,051 shares	0.01%	+177.30K(+55.30%)Added	SEC filing ↗ Nov 10, 2025	▾

Showing 20 / 416 institutions. The complete set is available through the API.

Coverage & totals by quarter

Reporting institutions

416

Cancelled or null records excluded

Disclosed shares

48,462,650

Not deduplicated across managers

Disclosed value

$5.21B

Not market cap or free float

Reporting institutions by quarter

Counts also change with data coverage and reporting entities; they do not measure net buying. Distinct managers with a live stock row in this CUSIP; totals may include overlapping filings and are not a share of the company.

Post Holdings, Inc. · Q3 2025

Explore all 416 reporting institutions.

This page includes 20 of 416 reporting institutions. Log in to look up the full history beyond 3 years, use advanced screening & filtering, download CSV, and get the complete set through the Akkru API.

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Sources, coverage & how to read this data

Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.