ACK Asset Management’s Clean Harbors CLH Stock Holding History

ACK Asset Management’s Portfolio CLH Stock Details CLH Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2015 Q4	–	Sell	-280,000	Closed	-$12.3M	–	25
2015 Q3	$12.3M	Sell	280,000 -250,000	-47%	-$12.4M	5.15%	8
2015 Q2	$28.5M	Buy	530,000 +105,000	+25%	+$5.86M	7.96%	4
2015 Q1	$24.1M	Buy	+425,000	New	+$22M	7.62%	4
2013 Q4	–	Sell	-288,698	Closed	-$16.9M	–	35
2013 Q3	$16.9M	Buy	288,698 +22,698	+9%	+$1.27M	6.51%	2
2013 Q2	$13.4M	Buy	+266,000	New	+$14.8M	5.45%	3

Other funds holding CLH

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

SAM

Southernsun Asset Management Memphis, Tennessee $690M AUM 30.68% 1-Year Est. Return

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

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

ACH

ArrowMark Colorado Holdings Denver, Colorado $3.76B AUM 21.77% 1-Year Est. Return

RIM

RS Investment Management San Francisco, California $9.73B AUM 3.24% 1-Year Est. Return

BFA

BlackRock Fund Advisors San Francisco, California $542B AUM 18.13% 1-Year Est. Return

Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return

PCM

PAR Capital Management Boston, Massachusetts $3.45B AUM 28.5% 1-Year Est. Return

ACK Asset Management's CLH Position: Q4 2015 in Review

ACK Asset Management sold out of Clean Harbors (CLH) in Q4 2015, closing a stake of 280,000 shares — an estimated $12.3M sold.

ACK Asset Management first reported a position in CLH in Q2 2013 and held it in 5 quarters. The position peaked at $28.5M in Q2 2015. 236 funds tracked by Wall St. Rank hold CLH as of Q4 2015.

ACK Asset Management reported no remaining Clean Harbors position as of Q4 2015 after selling out during the quarter.
ACK Asset Management sold 280,000 Clean Harbors shares in Q4 2015, an estimated $12.3M.
ACK Asset Management first reported a position in Clean Harbors in Q2 2013 and held it in 5 quarters.
ACK Asset Management's Clean Harbors position peaked at $28.5M in Q2 2015.
236 funds tracked by Wall St. Rank held Clean Harbors as of Q4 2015.

Based on ACK Asset Management's 13F filing for Q4 2015, filed 11 Feb 2016.