DAVITA INC

Ticker: DVA CUSIP: 23918K108 Class: COM

Calamos Advisors LLC's Holding History (CIK: 0001316507)

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

Q1 2020

Shares 6,000 Value ($000) $456 Avg Close $78.61 Range $62.20 - $90.15

Q4 2019

Shares 6,000 Value ($000) $450 Avg Close $66.33 Range $54.09 - $75.30

Q2 2018

Shares 45,372 Value ($000) $3,151 Avg Close $66.81 Range $61.72 - $73.50

Q1 2018

Shares 39,935 Value ($000) $2,634 Avg Close $73.45 Range $64.62 - $80.71

Q4 2017

Shares 38,041 Value ($000) $2,748 Avg Close $61.54 Range $52.51 - $72.93

Q3 2017

Shares 38,847 Value ($000) $2,307 Avg Close $60.19 Range $55.59 - $66.64

Q2 2017

Shares 37,424 Value ($000) $2,424 Avg Close $66.20 Range $61.48 - $70.16

Q1 2017

Shares 36,432 Value ($000) $2,476 Avg Close $66.21 Range $62.24 - $70.14

Q4 2016

Shares 36,518 Value ($000) $2,344 Avg Close $62.28 Range $54.50 - $67.44

Q3 2016

Shares 20,346 Value ($000) $1,344 Avg Close $70.40 Range $62.76 - $78.77

Q2 2016

Shares 20,325 Value ($000) $1,572 Avg Close $75.58 Range $72.31 - $78.00

Q1 2016

Shares 20,317 Value ($000) $1,491 Avg Close $67.53 Range $61.36 - $74.18

Q4 2015

Shares 19,048 Value ($000) $1,328 Avg Close $73.25 Range $67.34 - $78.94

Q3 2015

Shares 19,048 Value ($000) $1,378 Avg Close $77.54 Range $70.12 - $81.89

Q2 2015

Shares 19,041 Value ($000) $1,513 Avg Close $82.12 Range $79.31 - $85.17

Q1 2015

Shares 20,116 Value ($000) $1,635 Avg Close $76.74 Range $71.89 - $83.04

Q4 2014

Shares 20,104 Value ($000) $1,523 Avg Close $75.29 Range $71.50 - $78.52

Q2 2014

Shares 20,000 Value ($000) $1,446 Avg Close $69.54 Range $66.60 - $73.61

Q1 2014

Shares 20,000 Value ($000) $1,377 Avg Close $66.44 Range $62.52 - $70.68

Q4 2013

Shares 20,000 Value ($000) $1,267 Avg Close $58.68 Range $52.75 - $63.74

Q3 2013

Shares 20,000 Value ($000) $1,138 Avg Close $57.29 Range $53.55 - $61.23

Q2 2013

Shares 22,470 Value ($000) $2,714 Avg Close $62.44 Range $58.58 - $65.67

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	6,000	$456	$78.61	$62.20 - $90.15
Q4 2019	6,000	$450	$66.33	$54.09 - $75.30
Q2 2018	45,372	$3,151	$66.81	$61.72 - $73.50
Q1 2018	39,935	$2,634	$73.45	$64.62 - $80.71
Q4 2017	38,041	$2,748	$61.54	$52.51 - $72.93
Q3 2017	38,847	$2,307	$60.19	$55.59 - $66.64
Q2 2017	37,424	$2,424	$66.20	$61.48 - $70.16
Q1 2017	36,432	$2,476	$66.21	$62.24 - $70.14
Q4 2016	36,518	$2,344	$62.28	$54.50 - $67.44
Q3 2016	20,346	$1,344	$70.40	$62.76 - $78.77
Q2 2016	20,325	$1,572	$75.58	$72.31 - $78.00
Q1 2016	20,317	$1,491	$67.53	$61.36 - $74.18
Q4 2015	19,048	$1,328	$73.25	$67.34 - $78.94
Q3 2015	19,048	$1,378	$77.54	$70.12 - $81.89
Q2 2015	19,041	$1,513	$82.12	$79.31 - $85.17
Q1 2015	20,116	$1,635	$76.74	$71.89 - $83.04
Q4 2014	20,104	$1,523	$75.29	$71.50 - $78.52
Q2 2014	20,000	$1,446	$69.54	$66.60 - $73.61
Q1 2014	20,000	$1,377	$66.44	$62.52 - $70.68
Q4 2013	20,000	$1,267	$58.68	$52.75 - $63.74
Q3 2013	20,000	$1,138	$57.29	$53.55 - $61.23
Q2 2013	22,470	$2,714	$62.44	$58.58 - $65.67