Summit Materials Ownership

Who are the major shareholders and have insiders been buying or selling?


Recent Insider Transactions

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.


Ownership Breakdown

What is the ownership structure of SUM?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders1,015,9440.565%
Public Companies54,828,64230.5%
Institutions124,033,22569%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 46%.


Top Shareholders

Top 25 shareholders own 84.57% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
31.2%
Grupo Argos S.A.
54,720,000US$2.1b0%no data
6.96%
The Vanguard Group, Inc.
12,228,531US$479.5m-0.1%0.01%
5.85%
BlackRock, Inc.
10,273,975US$402.8m2.57%0.01%
5.03%
T. Rowe Price Group, Inc.
8,833,175US$346.3m-0.04%0.03%
4.11%
Massachusetts Financial Services Company
7,210,736US$282.7m6.64%0.06%
2.96%
Principal Global Investors, LLC
5,198,266US$203.8m-2.44%0.1%
2.87%
Macquarie Investment Management Business Trust
5,041,009US$197.7m-2.76%0.21%
2.46%
Dimensional Fund Advisors LP
4,327,441US$169.7m-11.1%0.03%
2.26%
Invesco Ltd.
3,964,603US$155.5m-1.92%0.04%
2.09%
Victory Capital Management Inc.
3,678,485US$144.2m7.03%0.13%
1.81%
ClearBridge Investments, LLC
3,173,832US$124.4m-0.12%0.09%
1.75%
River Road Asset Management, LLC
3,079,250US$120.7m68.4%1.58%
1.67%
Frontier Capital Management Co LLC
2,935,737US$115.1m33%0.97%
1.58%
Geode Capital Management, LLC
2,779,646US$109.0m5.59%0.01%
1.58%
State Street Global Advisors, Inc.
2,775,507US$108.8m2.64%no data
1.58%
Janus Henderson Group plc
2,769,306US$108.6m-2.58%0.04%
1.57%
Millennium Management LLC
2,753,816US$108.0m16.9%0.08%
1.01%
Teachers Insurance and Annuity Association-College Retirement Equities Fund
1,776,117US$69.6m-7.41%0.02%
0.99%
American Century Investment Management Inc
1,745,960US$68.5m3.69%0.03%
0.94%
AllianceBernstein L.P.
1,655,960US$64.9m-20.5%0.02%
0.94%
Columbia Management Investment Advisers, LLC
1,648,345US$64.6m-5.07%0.01%
0.92%
Citadel Advisors LLC
1,620,317US$63.5m22.9%0.06%
0.83%
Segall Bryant & Hamill, LLC
1,453,135US$57.0m39%0.88%
0.82%
Charles Schwab Investment Management, Inc.
1,439,036US$56.4m1.42%0.01%
0.8%
Northern Trust Global Investments
1,409,724US$55.3m-1.58%0.01%