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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
Christopher Burke GaskillTitle EVP Chief Legal Officer Secretary2024-03-076,458$42.39
$273.75kSell
Anne P. NoonanPresident CEO2024-03-0735,743$42.39
$1.52MSell
Jason KilgoreTitle EVP West Segment Construction Materials2024-03-073,938$42.39
$166.93kSell
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
Jason KilgoreTitle EVP West Segment Construction Materials2024-02-292,652$42.71
$113.27kSell
Craig Scott AndersonEVP Chief Financial Officer2024-02-292,545$42.71
$108.70kSell
Karli S. AndersonTitle EVP Chief People and ESG Officer and Head of Communications2024-02-293,527$42.71
$150.64kSell
Charles DepriestTitle EVP East Segment Construction Materials2024-02-291,324$42.71
$56.55kSell

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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 Sem LLC31.40%54,720,001$2.14BInsider
Argos Sa Grupo31.40%54,720,001$2.14BInsider
Barclays PLC16.02%27,916,664$1.09BInsider
Southeastern Asset Management Inc7.36%12,820,469$500.38MInsider
Longleaf Partners Funds Trust7.29%12,699,444$495.66MInsider
Vanguard Group Inc6.87%11,978,367$467.52MInstitution
Blackrock Inc6.52%11,365,151$443.58MInstitution
Price T Rowe Associates Inc5.06%8,814,270$344.02MInstitution
Massachusetts Financial Services Co3.82%6,650,459$259.57MInstitution
Dimensional Fund Advisors LP3.13%5,458,814$213.06MInstitution

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SUM vs Building Material Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
SUM42.19%57.81%Net SellingNet Selling
BCC49.42%50.58%Net SellingNet Selling
EXP75.26%24.74%Net SellingNet Selling
KNF80.06%0.94%Net SellingNet Selling
TGLS27.65%72.35%Net SellingNet Buying

Summit Materials Stock Ownership FAQ

Who owns Summit Materials?

Summit Materials (NYSE: SUM) is owned by 68.84% institutional shareholders, 94.32% Summit Materials insiders, and 0.00% retail investors. Argos Sem LLC is the largest individual Summit Materials shareholder, owning 54.72M shares representing 31.40% of the company. Argos Sem LLC's Summit Materials shares are currently valued at $2.11B.

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