Security Snapshot

Post Holdings, Inc. - Common Stock (POST) Institutional Ownership

CUSIP: 737446104

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

406

Shares (Excl. Options)

47,698,847

Price

$99.05

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Type / Class
Equity / Common Stock
Symbol
POST on NYSE
Shares outstanding
48,049,102
Price per share
$99.86
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
47,698,847
Total reported value
$4,724,729,229
% of total 13F portfolios
0.01%
Share change
-947,902
Value change
-$106,672,682
Number of holders
406
Price from insider filings
$99.86
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • POST - Post Holdings, Inc. - Common Stock is tracked under CUSIP 737446104.
  • 406 institutions reported positions in Q4 2025.
  • 5 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 406 to 203 between Q4 2025 and Q1 2026.
  • Reported value moved from $4,724,729,229 to $1,324,908,622.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 406 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 737446104?
CUSIP 737446104 identifies POST - Post Holdings, Inc. - Common Stock in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of Post Holdings, Inc. - Common Stock (POST) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
STIRITZ WILLIAM P 10% +11% $539,404,522 +$276,025 4,885,468 +0.05% William P. Stiritz 04 Mar 2026
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 6.4% +24% $303,685,562 +$25,649,425 3,071,875 +9.2% Dimensional Fund Advisors LP 31 Mar 2026
JPMORGAN CHASE & CO 5.1% $299,943,791 2,790,694 JPMORGAN CHASE & CO. 30 Sep 2025
VANGUARD PORTFOLIO MANAGEMENT LLC 5.1% $243,206,870 2,460,114 Vanguard Portfolio Management 31 Mar 2026

As of 31 Dec 2025, 406 institutional investors reported holding 47,698,847 shares of Post Holdings, Inc. - Common Stock (POST). This represents 99% of the company’s total 48,049,102 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Post Holdings, Inc. - Common Stock (POST) together control 77% 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 11% 5,172,519 -1.9% 0.01% $512,338,007
BlackRock, Inc. 8.7% 4,204,113 -1.9% 0.01% $416,417,391
Route One Investment Company, L.P. 6.5% 3,136,468 -8.6% 13% $310,667,155
JPMORGAN CHASE & CO 6.2% 2,975,680 +4.9% 0.02% $294,741,249
DIMENSIONAL FUND ADVISORS LP 6.2% 2,957,198 +5.1% 0.06% $292,911,933
Clarkston Capital Partners, LLC 6% 2,868,367 -1.2% 6.6% $284,111,751
LONDON CO OF VIRGINIA 3.3% 1,586,633 -10% 0.91% $157,157,079
STATE STREET CORP 3.1% 1,480,895 -0.31% 0% $146,682,650
MANUFACTURERS LIFE INSURANCE COMPANY, THE 2.8% 1,337,740 -7.1% 0.11% $132,503,147
Holocene Advisors, LP 2.4% 1,157,542 +0.81% 0.24% $114,654,535
NORGES BANK 2.4% 1,147,505 0.01% $113,660,370
FMR LLC 1.9% 919,027 +181% 0% $91,029,585
MORGAN STANLEY 1.9% 909,994 +14% 0.01% $90,135,084
DIAMOND HILL CAPITAL MANAGEMENT INC 1.9% 893,221 -0.76% 0.45% $88,473,540
GEODE CAPITAL MANAGEMENT, LLC 1.8% 880,993 +1% 0.01% $87,281,501
TWO SIGMA ADVISERS, LP 1.6% 785,615 +314% 0.15% $77,815,166
T. Rowe Price Investment Management, Inc. 1.6% 749,156 -40% 0.05% $74,204,000
TWO SIGMA INVESTMENTS, LP 1.5% 725,987 +403% 0.11% $71,909,012
UBS Group AG 1.3% 618,394 +13% 0.01% $61,251,925
Invesco Ltd. 1.2% 587,774 -4.1% 0.01% $58,219,015
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1% 498,596 +0.11% 0.01% $49,385,941
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.86% 415,493 +105% 0.02% $41,154,582
NORTHERN TRUST CORP 0.84% 405,943 -8% 0.01% $40,208,654
THOMPSON SIEGEL & WALMSLEY LLC 0.82% 396,372 -23% 0.66% $39,261,000
Quantinno Capital Management LP 0.68% 327,395 +220% 0.07% $32,428,475

Institutional Holders of Post Holdings, Inc. - Common Stock (POST) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 13,401,312 $1,324,908,622 +$51,914,690 $98.86 203
2025 Q4 47,698,847 $4,724,729,229 -$106,672,682 $99.05 406
2025 Q3 48,461,471 $5,208,231,530 -$285,368,589 $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
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