Post Holdings, Inc. - Common Stock, $0.01 par value per share (POST) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock, $0.01 par value per share
Symbol
POST on NYSE
Shares outstanding
54,719,490
Price per share
$97.79
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
47,690,059
Total reported value
$4,723,867,553
% of total 13F portfolios
0.01%
Share change
-950,340
Value change
-$106,914,818
Number of holders
401
Price from insider filings
$97.79
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Post Holdings, Inc. - Common Stock, $0.01 par value per share (POST) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
VANGUARD GROUP INC 10% +7.1% $588,947,800 +$18,911,077 5,597,831 +3.3% The Vanguard Group 29 Aug 2025
STIRITZ WILLIAM P 9.3% +12% $524,821,401 +$23,940,095 4,882,968 +4.8% William P. Stiritz 15 Oct 2025
Route One Investment Company, L.P. 6.1% $367,542,412 3,413,918 Route One Investment Company, L.P. 30 Jun 2025
DIMENSIONAL FUND ADVISORS LP 5.2% +8% $302,278,943 +$11,922,530 2,812,423 +4.1% Dimensional Fund Advisors LP 30 Sep 2025
JPMORGAN CHASE & CO 5.1% $299,943,791 2,790,694 JPMORGAN CHASE & CO. 30 Sep 2025

As of 31 Dec 2025, 401 institutional investors reported holding 47,690,059 shares of Post Holdings, Inc. - Common Stock, $0.01 par value per share (POST). This represents 87% of the company’s total 54,719,490 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Post Holdings, Inc. - Common Stock, $0.01 par value per share (POST) together control 68% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
VANGUARD GROUP INC 9.5% 5,172,519 -1.9% 0.01% $512,338,007
BlackRock, Inc. 7.7% 4,204,113 -1.9% 0.01% $416,417,391
Route One Investment Company, L.P. 5.7% 3,136,468 -8.6% 13% $310,667,155
JPMORGAN CHASE & CO 5.4% 2,975,680 +4.9% 0.02% $294,741,249
DIMENSIONAL FUND ADVISORS LP 5.4% 2,957,198 +5.1% 0.06% $292,911,933
Clarkston Capital Partners, LLC 5.2% 2,868,367 -1.2% 6.6% $284,111,751
LONDON CO OF VIRGINIA 2.9% 1,586,633 -10% 0.91% $157,157,079
STATE STREET CORP 2.7% 1,480,895 -0.31% 0% $146,682,650
MANUFACTURERS LIFE INSURANCE COMPANY, THE 2.4% 1,337,740 -7.1% 0.11% $132,503,147
Holocene Advisors, LP 2.1% 1,157,542 +0.81% 0.24% $114,654,535
NORGES BANK 2.1% 1,147,505 0.01% $113,660,370
FMR LLC 1.7% 919,027 +181% 0% $91,029,585
MORGAN STANLEY 1.7% 909,994 +14% 0.01% $90,135,084
DIAMOND HILL CAPITAL MANAGEMENT INC 1.6% 893,221 -0.76% 0.45% $88,473,540
GEODE CAPITAL MANAGEMENT, LLC 1.6% 880,993 +1% 0.01% $87,281,501
TWO SIGMA ADVISERS, LP 1.4% 785,615 +314% 0.15% $77,815,166
T. Rowe Price Investment Management, Inc. 1.4% 749,156 -40% 0.05% $74,204,000
TWO SIGMA INVESTMENTS, LP 1.3% 725,987 +403% 0.11% $71,909,012
UBS Group AG 1.1% 618,394 +13% 0.01% $61,251,925
Invesco Ltd. 1.1% 587,774 -4.1% 0.01% $58,219,015
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.91% 498,596 +0.11% 0.01% $49,385,941
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.76% 415,493 +105% 0.02% $41,154,582
NORTHERN TRUST CORP 0.74% 405,943 -8% 0.01% $40,208,654
THOMPSON SIEGEL & WALMSLEY LLC 0.72% 396,372 -23% 0.66% $39,261,000
Quantinno Capital Management LP 0.6% 327,395 +220% 0.07% $32,428,475

Institutional Holders of Post Holdings, Inc. - Common Stock, $0.01 par value per share (POST) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 47,690,059 $4,723,867,553 -$106,914,818 $99.05 401
2025 Q3 48,461,565 $5,208,241,633 -$285,371,706 $107.48 414
2025 Q2 51,180,494 $5,580,180,374 -$123,308,613 $109.03 430
2025 Q1 52,282,258 $6,082,503,542 -$25,916,874 $116.36 414
2024 Q4 52,648,311 $6,025,308,840 -$8,547,101 $114.46 411
2024 Q3 52,354,306 $6,060,064,167 -$82,537,003 $115.75 406
2024 Q2 53,337,584 $5,556,086,171 -$112,400,660 $104.16 379
2024 Q1 54,458,137 $5,786,423,666 -$288,634,508 $106.28 373
2023 Q4 57,341,200 $5,050,867,354 +$290,408,223 $88.06 360
2023 Q3 54,060,608 $4,635,108,133 +$182,797,314 $85.74 355
2023 Q2 51,826,163 $4,491,446,215 -$84,990,381 $86.65 326
2023 Q1 52,598,291 $4,726,921,601 +$26,109,668 $89.87 348
2022 Q4 52,444,057 $4,733,431,259 -$147,913,901 $90.26 353
2022 Q3 54,274,267 $4,446,046,057 -$173,019,475 $81.91 313
2022 Q2 53,985,185 $4,445,936,069 -$191,349,589 $82.35 301
2022 Q1 56,982,563 $3,947,662,471 +$26,531,907 $69.26 291
2021 Q4 56,074,842 $6,320,968,667 -$151,147,394 $112.73 318
2021 Q3 57,356,293 $6,317,996,205 -$151,969,026 $110.16 311
2021 Q2 58,734,178 $6,369,880,566 +$272,552,283 $108.47 319
2021 Q1 56,224,749 $5,944,851,132 -$132,980,512 $105.72 308
2020 Q4 57,496,086 $5,806,969,116 -$170,579,262 $101.01 303
2020 Q3 59,299,599 $5,092,267,564 -$40,845,162 $86.00 294
2020 Q2 59,734,615 $5,233,827,704 -$131,514,477 $87.62 299
2020 Q1 61,287,825 $5,086,292,302 -$195,357,170 $82.97 298
2019 Q4 62,999,647 $6,872,702,496 -$243,620,586 $109.10 351
2019 Q3 64,867,539 $6,864,493,830 -$187,806,830 $105.84 328
2019 Q2 66,717,380 $6,926,704,524 -$7,685,000 $103.97 331
2019 Q1 67,130,585 $7,343,508,114 -$324,937,440 $109.40 335
2018 Q4 70,178,378 $6,256,222,841 -$212,245,936 $89.13 320
2018 Q3 72,340,661 $7,091,853,663 -$267,340,825 $98.04 310
2018 Q2 75,161,103 $6,465,591,647 -$127,875,899 $86.02 290
2018 Q1 76,765,340 $5,816,136,903 +$245,101,067 $75.76 288
2017 Q4 73,428,583 $5,814,494,189 +$25,318,460 $79.23 287
2017 Q3 72,745,392 $6,418,270,526 +$80,999,479 $88.27 272
2017 Q2 72,019,899 $5,592,628,278 +$26,433,910 $77.65 274
2017 Q1 71,538,984 $6,260,874,958 +$554,778,962 $87.52 287
2016 Q4 70,133,416 $5,638,875,786 +$46,660,045 $80.39 289
2016 Q3 69,507,412 $5,361,373,745 +$69,090,142 $77.17 315
2016 Q2 68,693,645 $5,679,906,431 -$134,174,010 $82.69 306
2016 Q1 71,083,031 $4,887,675,340 +$12,664,949 $68.77 267
2015 Q4 71,069,306 $4,384,337,731 +$122,789,859 $61.70 265
2015 Q3 68,999,138 $4,077,661,041 +$113,137,505 $59.10 258
2015 Q2 67,254,078 $3,626,667,392 +$318,102,928 $53.93 224
2015 Q1 61,570,273 $2,884,094,948 +$343,568,217 $46.84 193
2014 Q4 54,432,717 $2,279,442,358 -$38,335,599 $41.89 215
2014 Q3 54,895,370 $1,821,413,709 -$44,301,358 $33.18 200
2014 Q2 52,763,191 $2,685,141,410 +$564,488,678 $50.91 225
2014 Q1 41,054,723 $2,262,233,264 +$452,102,338 $55.12 210