Mosaic

MOS · NYSE

$17.86−$0.06 (−0.33%)TodayMarket closed ·
Prev close $17.92

Who owns MOS

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 44.9% of MOS’s shares.

  • Vanguard Capital Management, LLC6.5%
  • BlackRock Institutional Trust Company, N.A.5.9%
  • AQR Capital Management, LLC5.8%
  • State Street Investment Management (US)4.7%
  • Next 6 largest institutions22.1%
  • All other shareholders55.1%
Top institutional holders of MOS
HolderShares% of shares
Vanguard Capital Management, LLC20.74M6.53%
BlackRock Institutional Trust Company, N.A.18.68M5.88%
AQR Capital Management, LLC18.29M5.76%
State Street Investment Management (US)15.04M4.73%
Vanguard Portfolio Management, LLC14.76M4.64%
Dimensional Fund Advisors, L.P.14.41M4.53%
Fidelity Management & Research Company LLC12.67M3.99%
Invesco Capital Management LLC11.60M3.65%
Geode Capital Management, L.L.C.8.92M2.81%
Donald Smith & Co., Inc.7.72M2.43%

Largest mutual fund holders

Top mutual fund holders of MOS
HolderShares% of shares
Vanguard Total Stock Market Index Fund10.12M3.18%
Invesco S&P 500 Equal Weight ETF9.53M3.00%
Vanguard 500 Index Fund8.34M2.63%
Vanguard Small-Cap Index Fund7.31M2.30%
Vanguard Small-Cap Value Index Fund4.64M1.46%

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders sold $508.76K (1 trade) of MOS on the open market, with no buys.

Latest MOS insider transactions
InsiderTypeSharesValue
Little Sonya CAward65$1.61K
Precourt Walter F. IIISale23.00K$508.76K
Kuzenko Jody LynneOption exercise4.87K—
Kuzenko Jody LynneAward7.27K—
Kuzenko Jody LynneOption exercise4.87K—
Shanahan Kathleen MOption exercise4.87K—
Shanahan Kathleen MAward7.27K—
Shanahan Kathleen MOption exercise4.87K—
Gitzel Timothy S.Option exercise4.87K—
Gitzel Timothy S.Award7.27K—

Congressional trades

Disclosed by members of Congress over the last 12 months

MOS trades disclosed by members of Congress
MemberTypeAmountTraded
Alan ArmstrongSenatorPurchase$1K–$15KMar 27, 2026
Gil CisnerosHousePurchase$1K–$15KJan 9, 2026

Short interest

Settled Sep 30, 2026

Shares short
29.99M
Days to cover
3.79
% of shares outstanding
9.44%
Average daily volume
7.92M
Change since last report
−2.9%

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