DOSSIER · 13F Holders · Q2 2026Consumer Defensive · Grain Mill Products
POST

POST HLDGS INC

434 institutions still hold POST HLDGS INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 737446104·Grain Mill Products·434 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$2.7B
visible holders
Holders
434
filers reporting
Concentration
12.86%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

434 institutions reported POST in Q2 2026. BlackRock, Inc. leads at 12.9% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$347M3.9M0.01%Q2 2026
02
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$279M3.2M0.05%Q2 2026
03
Route One Investment Company, L.P.
CIK 0001512171
$260M3.0M10.46%Q2 2026
04
JPMORGAN CHASE & CO
CIK 0000019617
$221M2.5M0.01%Q2 2026
05
Vanguard Portfolio Management
CIK 0002100121· Index
$192M2.2M0.01%Q2 2026
06
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$158M1.8M0.00%Q2 2026
07
LONDON CO OF VIRGINIA
CIK 0001259887
$123M1.4M0.70%Q2 2026
08
STATE STREET CORP
CIK 0000093751
$119M1.3M0.00%Q2 2026
09
NORGES BANK
CIK 0001374170· Sovereign
$116M1.3M0.01%Q2 2026
10
Holocene Advisors, LP
CIK 0001700574
$110M1.2M0.25%Q2 2026
11
Clarkston Capital Partners, LLC
CIK 0001562855
$106M1.2M8.99%Q2 2026
12
UBS Group AG
CIK 0001610520
$103M1.2M0.01%Q2 2026
13
MANUFACTURERS LIFE INSURANCE COMPANY, THE
CIK 0000928047
$102M1.2M0.08%Q2 2026
14
MORGAN STANLEY
CIK 0000895421
$89M1.0M0.00%Q2 2026
15
TWO SIGMA ADVISERS, LP
CIK 0001478735
$78M786K0.15%Q4 2025
16
T. Rowe Price Investment Management, Inc.
CIK 0001897612
$68M688K0.05%Q1 2026
17
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$66M747K0.00%Q2 2026
18
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$56M640K0.04%Q2 2026
19
DIAMOND HILL CAPITAL MANAGEMENT INC
CIK 0001217541
$55M619K0.44%Q2 2026
20
Junto Capital Management LP
CIK 0001595880
$52M589K0.91%Q2 2026
Page 1 of 22
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Insiders at POST HLDGS INC
Johnson Jennifer KupermanSkarie David PZadoks Jeff AKemper David WBurwell Dorothy MCurl Gregory LErb Thomas CPearson Gregory Carl