Post Holdings POST Institutional Ownership

NYSE POST

$78.46 +1.04 (+1.34%)

As of: Oct 20, 2026 · 2:01 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

—

13F totals exceed reported shares outstanding

Shares Held by Institutions

45.36Mn

of 45.10Mn outstanding

▼-0.31% QoQ

Shares Outstanding

45.10Mn

Institutional Investors

417

filed 13F for Jun 2026

▼-9 vs prior quarter

Net Shares Added (QoQ)

-139.20K

distributed since last quarter

Value of Holdings

$3.51Bn

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

Updated Oct 11, 2026

Post Holdings, Inc. (NYSE:POST) was held by 417 institutional investors that filed 13F reports for the quarter ended June 30, 2026.

Total holdings of Post Holdings shares fell 0.31% from Q1 2026, and the number of holders fell 3.47% from Q2 2025.
Of these 417 holders, 176 added to their positions, 178 reduced their stakes and 63 left their positions unchanged.
Institutional investors held 45.36Mn shares of Post Holdings in total at the end of Q2 2026, down 139.19K from the prior quarter and down 4.59Mn from a year earlier.
BlackRock, Inc. led 13F holders of POST with 3.93Mn shares as of June 30, 2026.
Among existing holders, the largest additions to Post Holdings in Q2 2026 came from Citadel Advisors LLC (+793.89K shares), UBS Asset Management Americas (+404.77K shares), Citigroup Inc (+261.71K shares), Morgan Stanley (+216.4K shares) and Junto Capital Management LP (+181.85K shares).
The largest position reductions in POST for Q2 2026 were by Two Sigma Investments, LP (-752.38K shares), Holocene Advisors, LP (-519.57K shares), T. Rowe Price Investment Management, Inc. (-419.16K shares), FMR LLC (-314.59K shares) and Invesco Ltd. (-272.43K shares).
Per Business Quant data, the 10 largest holders of Post Holdings at the end of Q2 2026 were BlackRock, Inc. (3.93Mn shares), Dimensional Fund Advisors LP (3.16Mn shares), Route One Investment Company, L.P. (2.95Mn shares), JPMorgan Chase & Co (2.46Mn shares), Vanguard Portfolio Management LLC (2.18Mn shares), Vanguard Capital Management LLC (1.78Mn shares), London Co of Virginia (1.4Mn shares), State Street Corp (1.35Mn shares), Norges Bank (1.31Mn shares) and Holocene Advisors, LP (1.25Mn shares).

Form 13F Holdings

417 Institutional Holders

Report period 30 Jun, 2026

Total shares held 45.36Mn

Of outstanding —

#	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