IRHYTHM TECHNOLOGIES INC

Ticker: IRTC CUSIP: 450056106 Class: EQTY

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q3 2022

Shares 64,132 Value ($000) $8,034 Avg Close $144.39 Range $105.33 - $164.69

Q3 2020

Shares 1,071,182 Value ($000) $255,059 Avg Close $176.91 Range $108.86 - $241.93

Q2 2020

Shares 1,426,030 Value ($000) $165,263 Avg Close $110.25 Range $70.63 - $136.55

Q1 2020

Shares 1,432,203 Value ($000) $116,510 Avg Close $82.93 Range $56.54 - $104.25

Q4 2019

Shares 1,234,054 Value ($000) $84,027 Avg Close $67.85 Range $56.24 - $75.39

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2022	64,132	$8,034	$144.39	$105.33 - $164.69
Q3 2020	1,071,182	$255,059	$176.91	$108.86 - $241.93
Q2 2020	1,426,030	$165,263	$110.25	$70.63 - $136.55
Q1 2020	1,432,203	$116,510	$82.93	$56.54 - $104.25
Q4 2019	1,234,054	$84,027	$67.85	$56.24 - $75.39