INTERPUBLIC GROUP COS INC

CUSIP: 460690100 Class: COM

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

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

Q4 2020

Shares 176,963 Value ($000) $4,162 Avg Close $17.29 Range $13.59 - $20.24

Q3 2020

Shares 222,504 Value ($000) $3,709 Avg Close $14.51 Range $13.05 - $16.14

Q2 2020

Shares 203,648 Value ($000) $3,495 Avg Close $13.23 Range $10.67 - $16.41

Q1 2020

Shares 106,899 Value ($000) $1,731 Avg Close $16.71 Range $9.28 - $19.87

Q1 2019

Shares 37,706 Value ($000) $792 Avg Close $16.87 Range $15.11 - $18.10

Q4 2018

Shares 41,833 Value ($000) $863 Avg Close $17.14 Range $14.80 - $18.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	176,963	$4,162	$17.29	$13.59 - $20.24
Q3 2020	222,504	$3,709	$14.51	$13.05 - $16.14
Q2 2020	203,648	$3,495	$13.23	$10.67 - $16.41
Q1 2020	106,899	$1,731	$16.71	$9.28 - $19.87
Q1 2019	37,706	$792	$16.87	$15.11 - $18.10
Q4 2018	41,833	$863	$17.14	$14.80 - $18.78