BRUKER CORP

Ticker: BRKR CUSIP: 116794108 Class: Common Stock

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q3 2016

Shares 380,102 Value ($000) $8,609 Avg Close $22.08 Range $20.59 - $24.43

Q2 2016

Shares 587,237 Value ($000) $13,354 Avg Close $25.69 Range $20.96 - $28.71

Q1 2016

Shares 590,627 Value ($000) $16,538 Avg Close $23.95 Range $20.07 - $28.11

Q4 2015

Shares 989,097 Value ($000) $24,005 Avg Close $19.94 Range $15.15 - $24.23

Q3 2015

Shares 1,098,592 Value ($000) $18,050 Avg Close $18.66 Range $15.57 - $20.87

Q2 2015

Shares 779,082 Value ($000) $15,901 Avg Close $19.40 Range $17.30 - $21.43

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	380,102	$8,609	$22.08	$20.59 - $24.43
Q2 2016	587,237	$13,354	$25.69	$20.96 - $28.71
Q1 2016	590,627	$16,538	$23.95	$20.07 - $28.11
Q4 2015	989,097	$24,005	$19.94	$15.15 - $24.23
Q3 2015	1,098,592	$18,050	$18.66	$15.57 - $20.87
Q2 2015	779,082	$15,901	$19.40	$17.30 - $21.43