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XTX Topco’s iRhythm Holdings IRTC Stock Holding History

XTX Topco’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 		$2.31M Buy
19,534
+14,718
+306% +$2.12M 0.04% 721
2025
Q4 		$855K Buy
+4,816
New +$853K 0.02% 1140
2025
Q3 		– Sell
-16,504
Closed -$2.54M – 2892
2025
Q2 		$2.54M Buy
16,504
+14,042
+570% +$1.81M 0.11% 242
2025
Q1 		$258K Buy
+2,462
New +$261K 0.01% 1519
2024
Q2 		– Sell
-7,050
Closed -$818K – 2147
2024
Q1 		$818K Buy
7,050
+3,033
+76% +$341K 0.11% 232
2023
Q4 		$430K Sell
4,017
-5,674
-59% -$494K 0.09% 349
2023
Q3 		$913K Buy
9,691
+5,025
+108% +$511K 0.16% 122
2023
Q2 		$487K Buy
+4,666
New +$560K 0.09% 385
2021
Q2 		– Sell
-1,949
Closed -$271K – 945
2021
Q1 		$271K Buy
+1,949
New +$349K 0.13% 325

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