SMITH A O CORP

Ticker: AOS CUSIP: 831865209 Class: COM

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

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

Q4 2018

Shares 87,760 Value ($000) $3,747 Avg Close $40.35 Range $35.45 - $47.83

Q1 2018

Shares 551,375 Value ($000) $35,062 Avg Close $56.02 Range $51.02 - $59.27

Q4 2017

Shares 593,352 Value ($000) $36,361 Avg Close $52.56 Range $50.33 - $55.21

Q3 2017

Shares 618,464 Value ($000) $36,755 Avg Close $48.45 Range $46.03 - $51.64

Q2 2017

Shares 628,404 Value ($000) $35,398 Avg Close $46.53 Range $42.56 - $49.66

Q1 2017

Shares 662,162 Value ($000) $33,876 Avg Close $42.64 Range $39.95 - $45.21

Q4 2016

Shares 787,476 Value ($000) $37,287 Avg Close $41.33 Range $37.45 - $44.05

Q3 2016

Shares 414,993 Value ($000) $40,997 Avg Close $39.94 Range $36.58 - $42.51

Q2 2016

Shares 352,553 Value ($000) $31,063 Avg Close $34.41 Range $31.99 - $37.59

Q1 2016

Shares 458,390 Value ($000) $34,980 Avg Close $29.71 Range $25.56 - $32.93

Q4 2015

Shares 196,915 Value ($000) $15,086 Avg Close $31.96 Range $27.15 - $34.39

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	87,760	$3,747	$40.35	$35.45 - $47.83
Q1 2018	551,375	$35,062	$56.02	$51.02 - $59.27
Q4 2017	593,352	$36,361	$52.56	$50.33 - $55.21
Q3 2017	618,464	$36,755	$48.45	$46.03 - $51.64
Q2 2017	628,404	$35,398	$46.53	$42.56 - $49.66
Q1 2017	662,162	$33,876	$42.64	$39.95 - $45.21
Q4 2016	787,476	$37,287	$41.33	$37.45 - $44.05
Q3 2016	414,993	$40,997	$39.94	$36.58 - $42.51
Q2 2016	352,553	$31,063	$34.41	$31.99 - $37.59
Q1 2016	458,390	$34,980	$29.71	$25.56 - $32.93
Q4 2015	196,915	$15,086	$31.96	$27.15 - $34.39