William Blair Investment Management
IRTC icon

William Blair Investment Management’s iRhythm Holdings IRTC Stock Holding History

William Blair Investment Management’s Portfolio IRTC Stock Details IRTC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2022
Q4 		– Sell
-64,132
Closed -$8.03M – 409
2022
Q3 		$8.03M Buy
+64,132
New +$9.26M 0.03% 311
2020
Q4 		– Sell
-1,071,182
Closed -$255M – 358
2020
Q3 		$255M Sell
1,071,182
-354,848
-25% -$62.8M 0.99% 20
2020
Q2 		$165M Sell
1,426,030
-6,173
-0.4% -$681K 0.67% 56
2020
Q1 		$117M Buy
1,432,203
+198,149
+16% +$16.4M 0.57% 57
2019
Q4 		$84M Buy
+1,234,054
New +$83.7M 0.33% 97

Other funds holding IRTC

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Sands Capital Management
Sands Capital Management Arlington, Virginia $25.5B AUM 26.46% 1-Year Est. Return
BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $61.3B AUM 26.25% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
LOM
LTS One Management New York $239M AUM 18.42% 1-Year Est. Return
Mackenzie Financial
Mackenzie Financial Toronto Ontario, Ontario, Canada $83.3B AUM 31.19% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.47T AUM 27.86% 1-Year Est. Return
William Blair & Company
William Blair & Company Chicago, Illinois $34.9B AUM 18.88% 1-Year Est. Return