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
$99.05
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
48,445,685
Total reported value
$5,206,534,842
% of total 13F portfolios
0.01%
Share change
-2,668,800
Value change
-$290,147,588
Number of holders
412
Price from insider filings
$99.05
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% $607,532,598 +$19,507,833 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% $370,512,521 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 30 Sep 2025, 412 institutional investors reported holding 48,445,685 shares of Post Holdings, Inc. - Common Stock, $0.01 par value per share (POST). This represents 89% 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 67% 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 9.6% 5,270,361 -2.3% 0.01% $566,458,402
BlackRock, Inc. 7.8% 4,283,645 -3.4% 0.01% $460,406,165
Route One Investment Company, L.P. 6.3% 3,432,918 +0.56% 15% $368,970,027
Clarkston Capital Partners, LLC 5.3% 2,903,860 -4.6% 6.7% $312,106,873
JPMORGAN CHASE & CO 5.2% 2,837,372 +4.9% 0.02% $304,962,240
DIMENSIONAL FUND ADVISORS LP 5.1% 2,812,423 +4.1% 0.06% $302,272,353
LONDON CO OF VIRGINIA 3.2% 1,765,685 -4.2% 1% $189,776,951
STATE STREET CORP 2.7% 1,485,469 +0.56% 0.01% $159,658,208
MANUFACTURERS LIFE INSURANCE COMPANY, THE 2.6% 1,440,306 +9.6% 0.13% $154,804,089
T. Rowe Price Investment Management, Inc. 2.3% 1,258,685 -0.75% 0.08% $135,284,000
Holocene Advisors, LP 2.1% 1,148,277 -22% 0.28% $123,416,812
DIAMOND HILL CAPITAL MANAGEMENT INC 1.6% 900,101 -1.1% 0.46% $96,742,855
GEODE CAPITAL MANAGEMENT, LLC 1.6% 872,087 +5.2% 0.01% $93,749,488
MORGAN STANLEY 1.5% 801,669 +72% 0.01% $86,163,698
Invesco Ltd. 1.1% 613,116 +5.8% 0.01% $65,897,708
PRICE T ROWE ASSOCIATES INC /MD/ 1.1% 579,033 +2% 0.01% $62,235,000
FULLER & THALER ASSET MANAGEMENT, INC. 1% 562,284 -0.15% 0.21% $60,434,277
UBS Group AG 1% 545,278 +15% 0.01% $58,606,480
THOMPSON SIEGEL & WALMSLEY LLC 0.94% 512,190 -5.4% 0.89% $55,050,000
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.91% 498,051 +55% 0.01% $53,530,521
NORTHERN TRUST CORP 0.81% 441,154 +1.6% 0.01% $47,415,232
BANK OF AMERICA CORP /DE/ 0.75% 412,885 -15% 0% $44,376,880
Epoch Investment Partners, Inc. 0.7% 380,536 -60% 0.22% $40,900,009
Bank of New York Mellon Corp 0.61% 335,993 -6.7% 0.01% $36,112,508
FMR LLC 0.6% 327,298 -47% 0% $35,177,966

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 597,993 $59,227,875 -$705,321 $99.05 47
2025 Q3 48,445,685 $5,206,534,842 -$290,147,588 $107.48 412
2025 Q2 51,180,494 $5,580,180,374 -$123,308,611 $109.03 430
2025 Q1 52,274,390 $6,081,587,649 -$26,329,094 $116.36 411
2024 Q4 52,609,793 $6,020,900,881 +$61,360,698 $114.46 407
2024 Q3 51,716,758 $5,986,267,952 -$147,319,229 $115.75 409
2024 Q2 53,310,453 $5,553,260,313 -$74,031,697 $104.16 383
2024 Q1 54,052,495 $5,743,311,548 -$322,375,614 $106.28 374
2023 Q4 22,045 $1,941,282 -$1,323,718 $88.06 3
2023 Q3 53,120,554 $4,554,508,379 +$182,132,037 $85.74 352
2023 Q2 50,847,874 $4,406,677,299 -$206,090,852 $86.65 323
2023 Q1 52,565,192 $4,723,947,699 +$26,136,060 $89.87 344
2022 Q4 52,411,045 $4,730,451,975 -$142,240,962 $90.26 349
2022 Q3 53,853,365 $4,411,570,203 -$152,774,053 $81.91 308
2022 Q2 49,753,123 $4,080,592,935 -$210,832,527 $82.35 295
2022 Q1 55,976,677 $3,877,995,828 +$29,106,591 $69.26 284
2021 Q4 56,037,458 $6,316,755,014 -$148,485,445 $112.73 314
2021 Q3 57,329,104 $6,315,002,832 -$147,001,461 $110.16 311
2021 Q2 58,529,265 $6,347,654,936 +$273,039,611 $108.47 317
2021 Q1 56,168,231 $5,938,634,133 -$133,715,427 $105.72 305
2020 Q4 57,277,133 $5,784,853,338 -$172,374,512 $101.01 298
2020 Q3 58,333,459 $5,009,179,708 -$28,232,014 $86.00 288
2020 Q2 57,977,326 $5,079,854,971 -$114,387,289 $87.62 293
2020 Q1 60,229,105 $4,998,452,300 -$201,570,385 $82.97 292
2019 Q4 62,984,945 $6,871,098,924 -$243,666,653 $109.10 349
2019 Q3 61,561,965 $6,514,630,830 -$152,843,869 $105.84 327
2019 Q2 65,852,041 $6,836,736,524 +$45,413,653 $103.97 328
2019 Q1 67,098,307 $7,339,980,114 -$311,364,046 $109.40 333
2018 Q4 70,089,873 $6,248,333,841 -$217,057,090 $89.13 318
2018 Q3 72,340,661 $7,091,853,663 -$267,347,582 $98.04 310
2018 Q2 74,678,971 $6,424,118,647 -$138,389,103 $86.02 288
2018 Q1 72,564,443 $5,497,877,903 +$150,777,446 $75.76 285
2017 Q4 73,402,824 $5,812,439,204 +$23,842,292 $79.23 285
2017 Q3 72,738,285 $6,417,642,699 +$80,684,298 $88.27 269
2017 Q2 71,268,821 $5,534,281,539 +$25,106,590 $77.65 270
2017 Q1 71,448,396 $6,252,946,206 +$551,962,381 $87.52 284
2016 Q4 69,819,138 $5,613,610,786 +$33,006,110 $80.39 285
2016 Q3 69,195,273 $5,337,287,745 +$144,820,772 $77.17 311
2016 Q2 67,627,302 $5,591,729,431 -$125,868,435 $82.69 302
2016 Q1 69,916,566 $4,807,458,340 -$33,505,715 $68.77 264
2015 Q4 71,058,451 $4,383,667,731 +$126,187,450 $61.70 264
2015 Q3 68,350,379 $4,039,319,041 +$102,430,946 $59.10 256
2015 Q2 63,914,411 $3,446,558,392 +$310,812,942 $53.93 221
2015 Q1 59,074,793 $2,767,203,948 +$325,254,123 $46.84 192
2014 Q4 52,957,078 $2,217,628,358 -$28,449,879 $41.89 213
2014 Q3 54,893,836 $1,821,362,709 -$44,263,756 $33.18 197
2014 Q2 52,763,191 $2,685,141,410 +$590,140,437 $50.91 226
2014 Q1 41,053,199 $2,260,760,654 +$450,747,637 $55.12 210