MEDPACE HLDGS INC

Ticker: MEDP CUSIP: 58506Q109 Class: EQTY

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q4 2018

Shares 53 Value ($000) $3 Avg Close $54.90 Range $45.88 - $64.94

Q3 2018

Shares 94 Value ($000) $6 Avg Close $54.70 Range $42.43 - $65.09

Q4 2017

Shares 1,092 Value ($000) $40 Avg Close $35.05 Range $31.70 - $39.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	53	$3	$54.90	$45.88 - $64.94
Q3 2018	94	$6	$54.70	$42.43 - $65.09
Q4 2017	1,092	$40	$35.05	$31.70 - $39.64