T-MOBILE US INC

Ticker: TMUS CUSIP: 872590104 Class: COM

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

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

Q3 2021

Shares 384,302 Value ($000) $49,098 Avg Close $134.56 Range $120.44 - $145.11

Q2 2021

Shares 384,613 Value ($000) $55,704 Avg Close $133.21 Range $120.62 - $143.66

Q1 2021

Shares 413,801 Value ($000) $51,845 Avg Close $121.73 Range $111.96 - $130.95

Q4 2020

Shares 8,019 Value ($000) $1,081 Avg Close $119.35 Range $103.91 - $130.42

Q3 2020

Shares 951,142 Value ($000) $108,773 Avg Close $107.09 Range $99.92 - $115.16

Q2 2020

Shares 1,042,804 Value ($000) $108,608 Avg Close $92.61 Range $78.29 - $107.80

Q1 2020

Shares 526,273 Value ($000) $44,154 Avg Close $81.74 Range $61.35 - $97.91

Q4 2019

Shares 1,130,641 Value ($000) $88,665 Avg Close $76.01 Range $71.79 - $81.01

Q3 2019

Shares 1,219,802 Value ($000) $96,084 Avg Close $75.70 Range $71.41 - $82.33

Q2 2019

Shares 1,390,705 Value ($000) $103,107 Avg Close $71.76 Range $66.37 - $78.19

Q1 2019

Shares 1,442,803 Value ($000) $99,698 Avg Close $67.59 Range $60.43 - $71.55

Q4 2018

Shares 980,986 Value ($000) $62,401 Avg Close $64.84 Range $57.93 - $68.54

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	384,302	$49,098	$134.56	$120.44 - $145.11
Q2 2021	384,613	$55,704	$133.21	$120.62 - $143.66
Q1 2021	413,801	$51,845	$121.73	$111.96 - $130.95
Q4 2020	8,019	$1,081	$119.35	$103.91 - $130.42
Q3 2020	951,142	$108,773	$107.09	$99.92 - $115.16
Q2 2020	1,042,804	$108,608	$92.61	$78.29 - $107.80
Q1 2020	526,273	$44,154	$81.74	$61.35 - $97.91
Q4 2019	1,130,641	$88,665	$76.01	$71.79 - $81.01
Q3 2019	1,219,802	$96,084	$75.70	$71.41 - $82.33
Q2 2019	1,390,705	$103,107	$71.76	$66.37 - $78.19
Q1 2019	1,442,803	$99,698	$67.59	$60.43 - $71.55
Q4 2018	980,986	$62,401	$64.84	$57.93 - $68.54