KERYX BIOPHARMACEUTICALS INC

CUSIP: 492515101 Class: COMMON STOCK

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

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

Q3 2018
Shares 144,654 Value ($000) $492 Avg Close — Range —
Q2 2018
Shares 144,654 Value ($000) $544 Avg Close — Range —
Q1 2018
Shares 136,394 Value ($000) $558 Avg Close — Range —
Q4 2017
Shares 141,175 Value ($000) $656 Avg Close — Range —
Q3 2017
Shares 143,144 Value ($000) $1,016 Avg Close — Range —
Q2 2017
Shares 144,958 Value ($000) $1,048 Avg Close — Range —
Q1 2017
Shares 155,458 Value ($000) $958 Avg Close — Range —
Q4 2016
Shares 162,758 Value ($000) $954 Avg Close — Range —
Q3 2016
Shares 167,058 Value ($000) $887 Avg Close — Range —
Q2 2016
Shares 165,558 Value ($000) $1,096 Avg Close — Range —
Q1 2016
Shares 219,429 Value ($000) $1,025 Avg Close — Range —
Q4 2015
Shares 191,985 Value ($000) $970 Avg Close — Range —
Q3 2015
Shares 188,605 Value ($000) $664 Avg Close — Range —
Q2 2015
Shares 189,205 Value ($000) $1,888 Avg Close — Range —
Q1 2015
Shares 185,219 Value ($000) $2,358 Avg Close — Range —
Q4 2014
Shares 170,419 Value ($000) $2,411 Avg Close — Range —
Q3 2014
Shares 168,797 Value ($000) $2,321 Avg Close — Range —
Q2 2014
Shares 166,939 Value ($000) $2,568 Avg Close — Range —
Q1 2014
Shares 162,139 Value ($000) $2,763 Avg Close — Range —
Q4 2013
Shares 147,939 Value ($000) $1,916 Avg Close — Range —
Q3 2013
Shares 147,039 Value ($000) $1,485 Avg Close — Range —
Q2 2013
Shares 142,400 Value ($000) $1,064 Avg Close — Range —
Q1 2013
Shares 141,550 Value ($000) $997 Avg Close — Range —