WIC
SUM

Water Island Capital’s Summit Materials, Inc. Class A Common Stock SUM Stock Holding History

Water Island Capital’s Portfolio SUM Stock Details SUM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change % 		Capital Flow Portfolio Weight Portfolio Position
2025
Q1 		– Sell
-384,888
Closed -$19.5M – 93
2024
Q4 		$19.5M Buy
+384,888
New +$19.5M 2.1% 17