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POST · Post Holdings, Inc. · Shareholders & Ownership

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$78.06 -0.20 (-0.26%) At close · Oct 21
Market Cap
$3.44B
Shares
43.96M
Volume · Oct 21 513.78K Avg daily vol (3M) 916.03K

Every disclosed holder of POST in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns POST

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

No chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.

Holder group Shares % Out
Institutional (13F) 45,098,374 102.60%
Insiders (Forms 3, 4, 5) 0 0.00%
13D/G-only blocks 4,885,468 11.11%
Remaining 6,027,037 -13.71%
Registered funds (N-PORT, not summed) 18,558,554 42.22%

Shares outstanding: 43,956,805, the issuer's latest cover-page count restated onto today's split basis.

Insiders are listed but not summed: the issuer has more than one class of common stock and Forms 3, 4 and 5 report one issuer-wide balance across them.

Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of POST

# Holder Shares
1
STIRITZ WILLIAM P
Insider CIK 1052058 · Sep 2, 2026
Insider, issuer-wide, not summed
4,504,036
1.1
William P. Stiritz
13D CIK 1052058 · Unknown · Mar 4, 2026
4,885,468
2
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
3,933,480
2.1
iShares Core S&P Mid-Cap ETF
Fund S000004307 · Registered fund · Jun 30, 2026
iShares Trust, not summed
1,363,629
2.2
iShares S&P Mid-Cap 400 Value ETF
Fund S000004309 · Registered fund · Jun 30, 2026
iShares Trust, not summed
199,765
2.3
iShares Russell Mid-Cap ETF
Fund S000004338 · Registered fund · Jun 30, 2026
iShares Trust, not summed
166,806
2.4
iShares Russell 1000 Value ETF
Fund S000004345 · Registered fund · Jun 30, 2026
iShares Trust, not summed
90,910
2.5
iShares Russell Mid-Cap Value ETF
Fund S000004335 · Registered fund · Jun 30, 2026
iShares Trust, not summed
62,472
3
DIMENSIONAL FUND ADVISORS LP
13F CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,156,637
3.1
U.S. SMALL CAP VALUE PORTFOLIO
Fund S000000987 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
786,320
3.2
U.S. Targeted Value Portfolio
Fund S000000970 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
389,569
3.3
Dimensional U.S. Targeted Value ETF
Fund S000070901 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
333,440
3.4
Dimensional US Small Cap Value ETF
Fund S000075151 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
276,853
3.5
U.S. SMALL CAP PORTFOLIO
Fund S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
246,681
4
Route One Investment Company, L.P.
13F CIK 1512171 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,950,568
5
JPMORGAN CHASE & CO
13F CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
2,455,999
6
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,175,658
6.1
VANGUARD PORTFOLIO MANAGEMENT LLC
13G CIK 2100121 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
2,211,589
7
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,784,517
8
LONDON CO OF VIRGINIA
13F CIK 1259887 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,399,101
9
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,348,671
9.1
State Street(R) SPDR(R) Portfolio S&P 400(TM) Mid Cap ETF
Fund S000006986 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
201,881
9.2
State Street(R) SPDR(R) S & P 400(TM) Mid Cap Value ETF
Fund S000006988 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
61,515
9.3
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
14,513
9.4
State Street(R) SPDR(R) US Small Cap Low Volatility Index ETF
Fund S000039795 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
10,555
9.5
State Street(R) SPDR(R) Portfolio S&P 1500(R) Composite Stock Market ETF
Fund S000006973 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
10,050
10
NORGES BANK
13F CIK 1374170 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
1,309,435
11
Holocene Advisors, LP
13F CIK 1700574 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,247,073
12
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,222,764
13
Clarkston Capital Partners, LLC
13F CIK 1562855 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,205,915
13.1
Clarkston Partners Fund
Fund S000050589 · Registered fund · Jun 30, 2026
ALPS SERIES TRUST, not summed
300,000
13.2
Clarkston Founders Fund
Fund S000053615 · Registered fund · Jun 30, 2026
ALPS SERIES TRUST, not summed
90,000
13.3
Clarkston Fund
Fund S000050590 · Registered fund · Jun 30, 2026
ALPS SERIES TRUST, not summed
44,000
14
UBS Group AG
13F CIK 1610520 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,167,906
15
MANUFACTURERS LIFE INSURANCE COMPANY, THE
13F CIK 928047 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,154,963
15.1
Fundamental All Cap Core Fund
Fund S000032685 · Registered fund · May 31, 2026
John Hancock Funds II, not summed
61,869
15.2
John Hancock Multifactor Small Cap ETF
Fund S000059464 · Registered fund · Jun 30, 2026
John Hancock Exchange-Traded Fund Trust, not summed
17,628
15.3
John Hancock Fundamental All Cap Core ETF
Fund S000082342 · Registered fund · Jun 30, 2026
John Hancock Exchange-Traded Fund Trust, not summed
542
16
VITALE ROBERT V
Insider CIK 1540021 · Nov 18, 2025
Director, PRESIDENT & CEO, issuer-wide, not summed
1,101,738
17
CITADEL ADVISORS LLC
13F CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,012,592
18
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,011,823
18.1
E*TRADE No Fee Total Market Index Fund
Fund S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
87
19
Touchstone Funds Group Trust-Touchstone Mid Cap Fund
Fund S000005842 · Registered fund · Jun 30, 2026
Touchstone Funds Group Trust, not summed
957,695
20
VANGUARD SMALL-CAP INDEX FUND
Fund S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
882,811
21
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
746,967
22
JPMorgan Value Advantage Fund
Fund S000002796 · Registered fund · Jun 30, 2026
JPMorgan Trust I, not summed
724,449
23
JPMorgan Mid Cap Value Fund
Fund S000004475 · Registered fund · Jun 30, 2026
J.P. Morgan Fleming Mutual Fund Group, Inc., not summed
686,525
24
TWO SIGMA INVESTMENTS, LP
13F CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
639,671
25
DIAMOND HILL CAPITAL MANAGEMENT INC
13F CIK 1217541 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
618,618
25.1
DIAMOND HILL SMALL-MID CAP FUND
Fund S000012190 · Registered fund · Jun 30, 2026
Diamond Hill Funds, not summed
189,719
25.2
DIAMOND HILL MID CAP FUND
Fund S000043502 · Registered fund · Jun 30, 2026
Diamond Hill Funds, not summed
18,662
26
Junto Capital Management LP
13F CIK 1595880 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
589,457
27
VANGUARD SMALL-CAP VALUE INDEX FUND
Fund S000002847 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
559,670
28
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
13F CIK 861177 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
549,985
28.1
PACE Small/Medium Co Value Equity Investments
Fund S000002973 · Registered fund · Jul 31, 2026
PACE SELECT ADVISORS TRUST, not summed
9,204
28.2
UBS U.S. Allocation Fund
Fund S000002487 · Registered fund · May 31, 2026
UBS INVESTMENT TRUST, not summed
6,947
28.3
UBS GLOBAL ALLOCATION FUND
Fund S000002979 · Registered fund · Jun 30, 2026
UBS FUNDS, not summed
2,336
29
FMR LLC
13F CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
516,577
29.1
Fidelity Stock Selector Small Cap Fund
Fund S000005453 · Registered fund · Jul 31, 2026
Fidelity Capital Trust, not summed
235,865
29.2
Fidelity Extended Market Index Fund
Fund S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
218,846
29.3
Fidelity Mid Cap Index Fund
Fund S000033637 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
153,906
29.4
Fidelity Series Small Cap Opportunities Fund
Fund S000015587 · Registered fund · Jul 31, 2026
Fidelity Securities Fund, not summed
116,306
29.5
Fidelity Total Market Index Fund
Fund S000006026 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
80,054
30
Fisher Asset Management, LLC
13F CIK 850529 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
481,429
31
VANGUARD EXTENDED MARKET INDEX FUND
Fund S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
457,075
32
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
455,118
32.1
Schwab U.S. Small-Cap ETF
Fund S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
202,546
32.2
Schwab U.S. Mid-Cap ETF
Fund S000026635 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
114,446
32.3
Schwab Fundamental U.S. Large Company ETF
Fund S000040877 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
43,632
32.4
Schwab Fundamental U.S. Large Company Index Fund
Fund S000016766 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
25,149
32.5
Schwab Total Stock Market Index Fund
Fund S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
25,138
33
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
374,967
33.1
Mid Cap Index Fund
Fund S000001273 · Registered fund · Jun 30, 2026
Northern Funds, not summed
25,946
33.2
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
6,636
33.3
Small Cap Core Fund
Fund S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
4,219
34
AQR CAPITAL MANAGEMENT LLC
13F CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
364,398
34.1
AQR Macro Opportunities Fund
Fund S000044524 · Registered fund · Jun 30, 2026
AQR Funds, not summed
19,019
34.2
AQR Style Premia Alternative Fund
Fund S000042050 · Registered fund · Jun 30, 2026
AQR Funds, not summed
7,325
34.3
AQR Alternative Risk Premia Fund
Fund S000058563 · Registered fund · Jun 30, 2026
AQR Funds, not summed
5,934
35
Fundamental All Cap Core Trust
Fund S000008296 · Registered fund · Jun 30, 2026
John Hancock Variable Insurance Trust, not summed
353,089
36
PYA Waltman Capital, LLC
13F CIK 1800135 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
339,643
37
BANK OF AMERICA CORP /DE/
13F CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
328,145
38
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
297,554
38.1
Goldman Sachs Absolute Return Tracker Fund
Fund S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
1,998
38.2
Goldman Sachs MarketBeta U.S. 1000 Equity ETF
Fund S000075322 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust II, not summed
1,467
38.3
Goldman Sachs MarketBeta(R) Russell 1000 Value Equity ETF
Fund S000083006 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
612
39
Quantinno Capital Management LP
13F CIK 1759654 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
295,355
40
Invesco Ltd.
13F CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
287,701
40.1
Invesco S&P MidCap Low Volatility ETF
Fund S000030966 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
72,854
40.2
Invesco S&P MidCap 400 Revenue ETF
Fund S000064595 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
38,719
40.3
Invesco BuyBack AchieversTM ETF
Fund S000013111 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
35,736
40.4
Invesco Food & Beverage ETF
Fund S000003027 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
30,939
40.5
Invesco S&P Midcap 400 Pure Value ETF
Fund S000060796 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
25,640
41
MILLENNIUM MANAGEMENT LLC
13F CIK 1273087 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
283,969
42
CITIGROUP INC
13F CIK 831001 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
279,275
43
VICTORY CAPITAL MANAGEMENT INC
13F CIK 1040188 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
273,278
43.1
VictoryShares US Small Mid Cap Value Momentum ETF
Fund S000065161 · Registered fund · Jun 30, 2026
Victory Portfolios II, not summed
84,791
43.2
Victory Integrity Small/Mid-Cap Value Fund
Fund S000046398 · Registered fund · Jun 30, 2026
Victory Portfolios, not summed
19,010
43.3
Victory Extended Market Index Fund
Fund S000012941 · Registered fund · Jul 31, 2026
Victory Portfolios III, not summed
4,462
44
T. Rowe Price Investment Management, Inc.
13F CIK 1897612 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
269,256
45
Calvert Small Cap Fund
Fund S000008714 · Registered fund · Jun 30, 2026
Calvert Impact Fund, Inc., not summed
269,180
46
Bank of New York Mellon Corp
13F CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
266,945
46.1
BNY Mellon US Small Cap Core Equity ETF
Fund S000067262 · Registered fund · Jul 31, 2026
BNY Mellon ETF Trust, not summed
1,515
47
VANGUARD CONSUMER STAPLES INDEX FUND
Fund S000004447 · Registered fund · May 31, 2026
VANGUARD WORLD FUND, not summed
266,399
48
JPMorgan Mid Cap Equity Fund
Fund S000002793 · Registered fund · Jun 30, 2026
JPMorgan Trust I, not summed
264,062
49
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
13F CIK 1164508 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
258,205
50
VANGUARD STRATEGIC EQUITY FUND
Fund S000002593 · Registered fund · Jun 30, 2026
VANGUARD HORIZON FUNDS, not summed
258,142

67 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 602 holders

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Key facts CIK 1530950 CUSIP 737446104 13F (30d) 61 filings 61 filers Visit website Investor relations