ANAPTYSBIO INC

Ticker: ANAB CUSIP: 032724106 Class: Common Stock

Alyeska Investment Group, L.P.'s Holding History (CIK: 0001453072)

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

Q4 2018

Shares 121,902 Value ($000) $7,776 Avg Close $74.37 Range $54.26 - $100.97

Q3 2018

Shares 160,000 Value ($000) $15,963 Avg Close $82.97 Range $67.91 - $110.00

Q1 2017

Shares 52,250 Value ($000) $1,450 Avg Close $23.32 Range $15.17 - $29.96

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	121,902	$7,776	$74.37	$54.26 - $100.97
Q3 2018	160,000	$15,963	$82.97	$67.91 - $110.00
Q1 2017	52,250	$1,450	$23.32	$15.17 - $29.96