WCM Investment Management
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WCM Investment Management’s iRhythm Holdings IRTC Stock Holding History

WCM 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
2026
Q1 		$12.3M Buy
108,078
+34,786
+47% +$5.02M 0.03% 130
2025
Q4 		$13.1M Sell
73,292
-3,969
-5% -$703K 0.03% 137
2025
Q3 		$13.1M Buy
77,261
+91
+0.1% +$14.5K 0.03% 130
2025
Q2 		$11.9M Sell
77,170
-61,267
-44% -$7.92M 0.03% 139
2025
Q1 		$14.5M Buy
138,437
+235
+0.2% +$24.9K 0.04% 114
2024
Q4 		$12M Sell
138,202
-2,931
-2% -$230K 0.03% 146
2024
Q3 		$10.3M Sell
141,133
-142
-0.1% -$11.3K 0.02% 148
2024
Q2 		$14.7M Buy
141,275
+2,906
+2% +$297K 0.03% 123
2024
Q1 		$16.1M Buy
138,369
+5,174
+4% +$582K 0.04% 114
2023
Q4 		$14.5M Buy
133,195
+50,673
+61% +$4.42M 0.04% 127
2023
Q3 		$7.78M Buy
+82,522
New +$8.39M 0.02% 138

Other funds holding IRTC

BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
Millennium Management
Millennium Management New York $134B AUM 35.51% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $61.3B AUM 26.25% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Holocene Advisors
Holocene Advisors New York $41.3B AUM 42.97% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return