Millrace Asset Group’s Summit Materials, Inc. Class A Common Stock SUM Stock Holding History

Millrace Asset Group’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
2018 Q3	–	Sell
2018 Q2	$2.33M	Sell
2018 Q1	$2.73M	Buy
2017 Q4	$2.23M	Buy
2017 Q3	$2.11M	Buy