IDEX CORP

Ticker: IEX CUSIP: 45167R104 Class: COM

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

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

Q4 2018

Shares 10,192 Value ($000) $1,287 Avg Close $122.75 Range $108.02 - $139.27

Q3 2018

Shares 5,308 Value ($000) $800 Avg Close $136.25 Range $122.80 - $144.38

Q2 2018

Shares 7,148 Value ($000) $976 Avg Close $127.20 Range $118.51 - $133.40

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	10,192	$1,287	$122.75	$108.02 - $139.27
Q3 2018	5,308	$800	$136.25	$122.80 - $144.38
Q2 2018	7,148	$976	$127.20	$118.51 - $133.40