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Who owns Post Holdings (POST) stock

397 funds reported Post Holdings (POST) shares in their latest 13F filings, worth $4.1B in all. The largest holder is Vanguard Group ($512M). Last quarter 155 funds added to their stakes and 225 cut them.

Largest holders of POST (13F)Largest holders of POST (13F)Vanguard Group$512MBlackRock$347MDimensional Fund Advisors LP$279MRoute One Investment Company, L.P.$260MVanguard Portfolio Management LLC$192MVanguard Capital Management LLC$158MLondon Co of Virginia$123MState Street$119MHolocene Advisors, LP$110MClarkston Capital Partners, LLC$106M

Largest holders (13F)

FundSharesValueChangeQuarter
Vanguard Group5,172,519$512Mdecrease2025-12-31
BlackRock3,933,480$347Mdecrease2026-06-30
Dimensional Fund Advisors LP3,156,637$279Mincrease2026-06-30
Route One Investment Company, L.P.2,950,568$260Munchanged2026-06-30
Vanguard Portfolio Management LLC2,175,658$192Mdecrease2026-06-30
Vanguard Capital Management LLC1,784,517$158Mdecrease2026-06-30
London Co of Virginia1,399,101$123Mdecrease2026-06-30
State Street1,348,671$119Mdecrease2026-06-30
Holocene Advisors, LP1,247,073$110Mdecrease2026-06-30
Clarkston Capital Partners, LLC1,205,915$106Mincrease2026-06-30
UBS Group AG1,167,906$103Mincrease2026-06-30
Manufacturers Life Insurance Company, the1,154,963$102Mdecrease2026-06-30
Citadel Advisors LLC1,012,592$89.4Mincrease2026-06-30
Morgan Stanley1,011,823$89.3Mincrease2026-06-30
Geode Capital Management, LLC746,967$65.9Mdecrease2026-06-30

Post Holdings' latest quarter

Post Holdings, Q3 FY26: revenue $1.9B (-2% year over year), operating margin 9.7%, net earnings $63.6M, operating cash flow $213M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most POST stock?

By the latest 13F filings: Vanguard Group ($512M); BlackRock ($347M); Dimensional Fund Advisors LP ($279M); Route One Investment Company, L.P. ($260M); Vanguard Portfolio Management LLC ($192M).

What is the short interest in POST?

5,685,232 shares were sold short at the 2026-10-15 settlement, 2.14% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.