Post Holdings POST Institutional Ownership

NYSE POST

$80.26 -0.81 (-0.99%)

As of: Sep 10, 2026 · 3:59 PM EDT

Institutions by Trading Activity

417 Institutions

Increased 176 42.2%

Unchanged 63 15.1%

Reduced 178 42.7%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

101.59%

▲+6.56 pp QoQ

Shares Held by Institutions

45.82Mn

of 45.10Mn outstanding

▲+2.80% QoQ

Shares Outstanding

45.10Mn

-716.95K held outside 13F filers

Institutional Investors

417

filed 13F for Jun 2026

▼-9 vs prior quarter

Net Shares Added (QoQ)

+1.25Mn

accumulated since last quarter

Value of Holdings

$3.88Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Post Holdings, Inc. (NYSE:POST) is held by 417 institutional investors per 13F filings through June 2026.

They owned 101.6% of outstanding stock in June 2026, up from 95.0% the prior quarter.
They increased total shares held in Post Holdings by 2.8% from last quarter, and the number of investors in POST decreased 3.92% annually.
During the quarter, 176 of these 417 funds increased positions in POST, 178 reduced exposure, and 63 held steady.
The aggregate institutional position in Post Holdings amounted to 45.82Mn shares as of June 2026, up by 1.25Mn shares quarter on quarter, and down 5.14Mn shares year over year.
As of June 30, 2026, the biggest holder of Post Holdings is BlackRock, Inc. at 3.93Mn shares, representing 8.72% of shares outstanding.
The most significant purchases of POST for the quarter ending June 2026 came from NORGES BANK (1.31Mn), CITADEL ADVISORS LLC (793.89K), Sixth Street Partners Management Company, L.P. (455.12K), UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC (404.78K), Citigroup Inc (261.71K).
Leading sellers of Post Holdings shares for the quarter ending June 2026 were TWO SIGMA INVESTMENTS, LP (752.38K), Holocene Advisors, LP (519.57K), T. Rowe Price Investment Management, Inc. (419.16K), FMR LLC (314.59K), Invesco Ltd. (272.43K).
Per Business Quant, the top 10 investors in POST for the quarter ending June 2026 include BlackRock, Inc. (3.93Mn), DIMENSIONAL FUND ADVISORS LP (3.16Mn), Route One Investment Company, L.P. (2.95Mn), Jpmorgan Chase & Co (2.46Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (2.18Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.78Mn), LONDON CO OF VIRGINIA (1.4Mn), State Street Corp (1.35Mn), NORGES BANK (1.31Mn), Holocene Advisors, LP (1.25Mn).

Form 13F Holdings

417 Institutional Holders

Report period 30 Jun, 2026

Total shares held 45.82Mn

Of outstanding 101.59%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	3,933,480	8.72%	▼46,322	-1.16%	$347.17Mn
2	DIMENSIONAL FUND ADVISORS LP	0000354204	3,156,637	7.00%	▲84,762	+2.76%	$278.61Mn
3	Route One Investment Company, L.P.	0001512171	2,950,568	6.54%	0	0.00%	$260.42Mn
4	Jpmorgan Chase & Co	0000019617	2,455,999	5.45%	▼212,815	-7.97%	$220.54Mn
5	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	2,175,658	4.82%	▼255,839	-10.52%	$192.02Mn
6	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,784,517	3.96%	▼89,520	-4.78%	$157.50Mn
7	LONDON CO OF VIRGINIA	0001259887	1,399,101	3.10%	▼77,537	-5.25%	$123.48Mn
8	State Street Corp	0000093751	1,348,671	2.99%	▼73,548	-5.17%	$119.03Mn
9	NORGES BANK	0001374170	1,309,435	2.90%	▲1,309,435	0.00%	$115.57Mn
10	Holocene Advisors, LP	0001700574	1,247,073	2.77%	▼519,569	-29.41%	$110.07Mn
11	Clarkston Capital Partners, LLC	0001562855	1,205,915	2.67%	▲12,848	+1.08%	$106.43Mn
12	UBS Group AG	0001610520	1,167,906	2.59%	▲123,544	+11.83%	$103.08Mn
13	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0000928047	1,154,963	2.56%	▼108,631	-8.60%	$101.94Mn
14	CITADEL ADVISORS LLC	0001423053	1,012,592	2.25%	▲793,886	+362.99%	$89.37Mn
15	Morgan Stanley	0000895421	1,011,823	2.24%	▲216,400	+27.21%	$89.30Mn
16	GEODE CAPITAL MANAGEMENT, LLC	0001214717	746,967	1.66%	▼59,859	-7.42%	$65.94Mn
17	TWO SIGMA INVESTMENTS, LP	0001179392	639,671	1.42%	▼752,377	-54.05%	$56.46Mn
18	Diamond Hill Capital Management, LLC (Investment Advisor)	0001217541	618,618	1.37%	▼197,525	-24.20%	$54.60Mn
19	Junto Capital Management LP	0001595880	589,457	1.31%	▲181,849	+44.61%	$52.03Mn
20	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0000861177	549,985	1.22%	▲404,775	+278.75%	$48.54Mn

Showing 1 to 20 of 417 holders