XENCOR INC

Ticker: XNCR CUSIP: 98401F105 Class: Common Stock

JENNISON ASSOCIATES LLC's Holding History (CIK: 0000053417)

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

Q3 2015

Shares 746,762 Value ($000) $9,133 Avg Close $19.57 Range $11.81 - $24.82

Q2 2015

Shares 755,505 Value ($000) $16,598 Avg Close $17.04 Range $13.00 - $22.23

Q1 2015

Shares 750,508 Value ($000) $11,498 Avg Close $15.78 Range $13.67 - $19.50

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2015	746,762	$9,133	$19.57	$11.81 - $24.82
Q2 2015	755,505	$16,598	$17.04	$13.00 - $22.23
Q1 2015	750,508	$11,498	$15.78	$13.67 - $19.50