PROQR THRAPEUTICS N V

Ticker: PRQR CUSIP: N71542109 Class: SHS EURO

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

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

Q3 2019

Shares 26,505 Value ($000) $153 Avg Close $7.99 Range $5.62 - $9.66

Q2 2019

Shares 26,505 Value ($000) $241 Avg Close $11.80 Range $8.83 - $16.07

Q1 2019

Shares 18,501 Value ($000) $257 Avg Close $14.93 Range $12.25 - $18.94

Q4 2018

Shares 18,501 Value ($000) $292 Avg Close $18.36 Range $14.83 - $24.00

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	26,505	$153	$7.99	$5.62 - $9.66
Q2 2019	26,505	$241	$11.80	$8.83 - $16.07
Q1 2019	18,501	$257	$14.93	$12.25 - $18.94
Q4 2018	18,501	$292	$18.36	$14.83 - $24.00