BlackRock Investment Management’s Summit Materials, Inc. Class A Common Stock SUM Stock Holding History

BlackRock Investment Management’s Portfolio SUM Stock Details SUM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2016 Q4	$6.82M	Sell	295,492 -3,792	-1%	-$79.6K	0.01%	1373
2016 Q3	$5.32M	Buy	299,284 +52,800	+21%	+$1.02M	0.01%	1431
2016 Q2	$4.83M	Buy	246,484 +130,004	+112%	+$2.6M	0.01%	1457
2016 Q1	$2.17M	Buy	116,480 +7,598	+7%	+$124K	﹤0.01%	1945
2015 Q4	$2.09M	Buy	108,882 +16,858	+18%	+$344K	﹤0.01%	2059
2015 Q3	$1.63M	Buy	92,024 +255	+0.3%	+$5.87K	﹤0.01%	2231
2015 Q2	$2.21M	Buy	+91,769	New	+$2.18M	﹤0.01%	2151

Other funds holding SUM

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Jennison Associates New York $145B AUM 34.61% 1-Year Est. Return

JHIU

Janus Henderson Investors US Denver, Colorado $122B AUM 18.26% 1-Year Est. Return

Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return

MCM

Melvin Capital Management New York $9.86B AUM 16.31% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return

LCS

Levin Capital Strategies New York $1.49B AUM 30.44% 1-Year Est. Return

Deutsche Bank Frankfurt Am Main Ge, Germany $303B AUM 30.15% 1-Year Est. Return

BIT

BlackRock Institutional Trust San Francisco, California $675B AUM 16.07% 1-Year Est. Return

BlackRock Investment Management's SUM Position: Q4 2016 in Review

BlackRock Investment Management reduced its Summit Materials, Inc. Class A Common Stock (SUM) stake by 1.3% in Q4 2016, selling an estimated $79.6K and leaving 295,492 shares worth $6.82M. The position accounts for 0.01% of the portfolio, ranked #1373.

BlackRock Investment Management first reported a position in SUM in Q2 2015 and has held it in 7 quarters since. 197 funds tracked by Wall St. Rank hold SUM as of Q4 2016.

BlackRock Investment Management held 295,492 shares of Summit Materials, Inc. Class A Common Stock worth $6.82M as of Q4 2016.
BlackRock Investment Management sold 3,792 Summit Materials, Inc. Class A Common Stock shares in Q4 2016, an estimated $79.6K.
Summit Materials, Inc. Class A Common Stock made up 0.01% of BlackRock Investment Management's portfolio in Q4 2016, its #1373 holding.
BlackRock Investment Management first reported a position in Summit Materials, Inc. Class A Common Stock in Q2 2015 and has held it in 7 quarters since.
197 funds tracked by Wall St. Rank held Summit Materials, Inc. Class A Common Stock as of Q4 2016.

Based on BlackRock Investment Management's 13F filing for Q4 2016, filed 10 Feb 2017.