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Harbor Capital Advisors’s iRhythm Holdings IRTC Stock Holding History

Harbor Capital Advisors’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 		$1.85M Buy
15,661
+7,055
+82% +$1.02M 0.15% 204
2025
Q4 		$1.53M Sell
8,606
-389
-4% -$68.9K 0.12% 240
2025
Q3 		$1.55M Sell
8,995
-19,341
-68% -$3.07M 0.12% 228
2025
Q2 		$4.36M Sell
28,336
-25,897
-48% -$3.35M 0.18% 184
2025
Q1 		$5.68M Sell
54,233
-30,714
-36% -$3.25M 0.26% 136
2024
Q4 		$7.66M Buy
84,947
+5,009
+6% +$394K 0.33% 88
2024
Q3 		$5.93M Buy
79,938
+58,448
+272% +$4.66M 0.26% 118
2024
Q2 		$2.31M Buy
21,490
+16,988
+377% +$1.74M 0.18% 165
2024
Q1 		$522K Buy
+4,502
New +$506K 0.07% 391

Other funds holding IRTC

BlackRock
BlackRock New York $5.72T 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 $240B AUM 35.51% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $62.3B 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 $41.5B 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