PROQR THRAPEUTICS N V

Ticker: PRQR CUSIP: N71542109 Class: SHS EURO

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q3 2018

Shares 944 Value ($000) $18 Avg Close $10.63 Range $6.25 - $22.85

Q1 2016

Shares 3,000 Value ($000) $15 Avg Close $5.08 Range $3.48 - $8.96

Q3 2015

Shares 1,900 Value ($000) $28 Avg Close $16.75 Range $12.99 - $20.05

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	944	$18	$10.63	$6.25 - $22.85
Q1 2016	3,000	$15	$5.08	$3.48 - $8.96
Q3 2015	1,900	$28	$16.75	$12.99 - $20.05