BlackRock Institutional Trust’s Summit Materials, Inc. Class A Common Stock SUM Stock Holding History

BlackRock Institutional Trust’s Portfolio SUM Stock Details SUM Fund Activity

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Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2016 Q4	$58.8M	Buy
2016 Q3	$34.7M	Buy
2016 Q2	$33.1M	Buy
2016 Q1	$22.9M	Buy
2015 Q4	$23.3M	Buy
2015 Q3	$15.8M	Buy
2015 Q2	$13.3M	Buy
2015 Q1	$203K	Buy