US ECOLOGY INC

CUSIP: 91732J102 Class: CMN

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

Note: Option positions (PUT/CALL) are excluded.

Q3 2019
Shares 34,380 Value ($000) $2,198 Avg Close Range
Q2 2019
Shares 33,969 Value ($000) $2,023 Avg Close Range
Q1 2019
Shares 33,555 Value ($000) $1,878 Avg Close Range
Q4 2018
Shares 34,301 Value ($000) $2,160 Avg Close Range
Q3 2018
Shares 33,528 Value ($000) $2,473 Avg Close Range
Q2 2018
Shares 33,566 Value ($000) $2,138 Avg Close Range
Q1 2018
Shares 33,238 Value ($000) $1,772 Avg Close Range
Q4 2017
Shares 34,451 Value ($000) $1,757 Avg Close Range
Q3 2017
Shares 34,914 Value ($000) $1,878 Avg Close Range
Q2 2017
Shares 38,688 Value ($000) $1,954 Avg Close Range
Q1 2017
Shares 42,995 Value ($000) $2,014 Avg Close Range
Q4 2016
Shares 44,995 Value ($000) $2,212 Avg Close Range
Q3 2016
Shares 46,295 Value ($000) $2,076 Avg Close Range
Q2 2016
Shares 45,795 Value ($000) $2,104 Avg Close Range
Q1 2016
Shares 45,874 Value ($000) $2,026 Avg Close Range
Q4 2015
Shares 40,100 Value ($000) $1,461 Avg Close Range
Q3 2015
Shares 39,467 Value ($000) $1,723 Avg Close Range
Q2 2015
Shares 39,567 Value ($000) $1,928 Avg Close Range
Q1 2015
Shares 39,367 Value ($000) $1,967 Avg Close Range
Q4 2014
Shares 39,967 Value ($000) $1,603 Avg Close Range
Q3 2014
Shares 39,797 Value ($000) $1,861 Avg Close Range
Q2 2014
Shares 39,371 Value ($000) $1,927 Avg Close Range
Q1 2014
Shares 39,171 Value ($000) $1,454 Avg Close Range
Q4 2013
Shares 38,971 Value ($000) $1,449 Avg Close Range
Q3 2013
Shares 33,071 Value ($000) $996 Avg Close Range
Q2 2013
Shares 32,081 Value ($000) $880 Avg Close Range
Q1 2013
Shares 31,885 Value ($000) $847 Avg Close Range