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NYSE: SUM
Summit Materials Inc Stock Ownership - Who owns Summit Materials?

Insider buying vs selling

Have Summit Materials Inc insiders been buying or selling?
Buy
Sell
NameRoleDateSharesPriceValue
Jason KilgoreTitle EVP West Segment Construction Materials2024-05-1339,379$40.15
$1.58MSell
Jason KilgoreTitle EVP West Segment Construction Materials2024-05-1311,210$40.40
$452.88kSell
Jason KilgoreTitle EVP West Segment Construction Materials2024-05-1350,589$18.00
$910.60kBuy
Jason KilgoreTitle EVP West Segment Construction Materials2024-03-073,938$42.39
$166.93kSell
Anne P. NoonanPresident CEO2024-03-0735,743$42.39
$1.52MSell
Christopher Burke GaskillTitle EVP Chief Legal Officer Secretary2024-03-076,458$42.39
$273.75kSell
Karli S. AndersonTitle EVP Chief People and ESG Officer and Head of Communications2024-03-074,998$42.39
$211.87kSell
Craig Scott AndersonEVP Chief Financial Officer2024-03-073,355$42.39
$142.22kSell
Kekin GhelaniChief StrategyGrowth Officer2024-02-29977$42.71
$41.73kSell
Karli S. AndersonTitle EVP Chief People and ESG Officer and Head of Communications2024-02-293,527$42.71
$150.64kSell

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Net Insider Buy/Sell (L12M) Ownership

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SUM Shareholders

What type of owners hold Summit Materials Inc stock?
Institutional
Insider
Retail
NameHoldSharesValueType
Argos Sa Grupo31.19%54,720,001$1.95BInsider
Argos Sem LLC31.19%54,720,001$1.95BInsider
Barclays PLC15.91%27,916,664$996.62MInsider
Southeastern Asset Management Inc7.31%12,820,469$457.69MInsider
Longleaf Partners Funds Trust7.24%12,699,444$453.37MInsider
Vanguard Group Inc6.98%12,240,546$436.99MInstitution
Blackrock Inc5.71%10,016,844$357.60MInstitution
Price T Rowe Associates Inc5.04%8,837,110$315.48MInstitution
Massachusetts Financial Services Co3.85%6,761,814$241.40MInstitution
Principal Financial Group Inc3.03%5,324,077$190.07MInstitution

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SUM vs Building Material Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
SUM42.19%57.81%Net SellingNet Buying
EXP75.20%24.80%Net SellingNet Selling
BCC48.92%51.08%Net SellingNet Selling
KNF78.14%0.96%Net BuyingNet Buying
CX2.94%0.00%

Summit Materials Stock Ownership FAQ

Who owns Summit Materials?

Summit Materials (NYSE: SUM) is owned by 68.36% institutional shareholders, 93.68% Summit Materials insiders, and 0.00% retail investors. Argos Sa Grupo is the largest individual Summit Materials shareholder, owning 54.72M shares representing 31.19% of the company. Argos Sa Grupo's Summit Materials shares are currently valued at $1.95B.

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