Jane Street’s US Ecology, Inc. ECOL Stock Holding History

Jane Street’s Portfolio ECOL Stock Details ECOL Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2014 Q3	–	Sell	-6,942	Closed	-$340K	–	3226
2014 Q2	$340K	Sell	6,942 -6,034	-47%	-$277K	﹤0.01%	1738
2014 Q1	$482K	Buy	+12,976	New	+$474K	0.01%	1605
2013 Q3	–	Sell	-7,877	Closed	-$216K	–	3248
2013 Q2	$216K	Buy	+7,877	New	+$216K	﹤0.01%	2182

Other funds holding ECOL

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

BCM

Bares Capital Management Austin, Texas $1.08B AUM 38.13% 1-Year Est. Return

SAM

Silvercrest Asset Management New York $13.8B AUM 28.39% 1-Year Est. Return

Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Lord, Abbett & Co Jersey City, New Jersey $30.6B AUM 57.44% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

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

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

GKIM

GW&K Investment Management Boston, Massachusetts $11.3B AUM 31.98% 1-Year Est. Return

Jane Street's ECOL Position: Q3 2014 in Review

Jane Street sold out of US Ecology, Inc. (ECOL) in Q3 2014, closing a stake of 6,942 shares — an estimated $340K sold.

Jane Street first reported a position in ECOL in Q2 2013 and held it in 3 quarters. The position peaked at $482K in Q1 2014. 140 funds tracked by Wall St. Rank hold ECOL as of Q3 2014.

Jane Street reported no remaining US Ecology, Inc. position as of Q3 2014 after selling out during the quarter.
Jane Street sold 6,942 US Ecology, Inc. shares in Q3 2014, an estimated $340K.
Jane Street first reported a position in US Ecology, Inc. in Q2 2013 and held it in 3 quarters.
Jane Street's US Ecology, Inc. position peaked at $482K in Q1 2014.
140 funds tracked by Wall St. Rank held US Ecology, Inc. as of Q3 2014.

Based on Jane Street's 13F filing for Q3 2014, filed 14 Nov 2014.