XENCOR INC

Ticker: XNCR CUSIP: 98401F105 Class: Common Stock

EAM Investors, LLC's Holding History (CIK: 0001510989)

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

Q1 2017

Shares 32,345 Value ($000) $774 Avg Close $24.10 Range $21.09 - $28.64

Q4 2016

Shares 46,612 Value ($000) $1,227 Avg Close $24.05 Range $18.45 - $29.38

Q3 2016

Shares 59,675 Value ($000) $1,461 Avg Close $21.16 Range $17.65 - $26.50

Q2 2016

Shares 67,467 Value ($000) $1,281 Avg Close $13.71 Range $10.95 - $19.76

Q2 2015

Shares 69,444 Value ($000) $1,526 Avg Close $17.04 Range $13.00 - $22.23

Q1 2015

Shares 62,473 Value ($000) $957 Avg Close $15.78 Range $13.67 - $19.50

Q4 2014

Shares 60,040 Value ($000) $963 Avg Close $11.60 Range $9.00 - $17.64

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	32,345	$774	$24.10	$21.09 - $28.64
Q4 2016	46,612	$1,227	$24.05	$18.45 - $29.38
Q3 2016	59,675	$1,461	$21.16	$17.65 - $26.50
Q2 2016	67,467	$1,281	$13.71	$10.95 - $19.76
Q2 2015	69,444	$1,526	$17.04	$13.00 - $22.23
Q1 2015	62,473	$957	$15.78	$13.67 - $19.50
Q4 2014	60,040	$963	$11.60	$9.00 - $17.64