DM
IRTC icon

Deerfield Management’s iRhythm Holdings IRTC Stock Holding History

Deerfield 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 		– Sell
-12,099
Closed -$2.15M – 120
2025
Q4 		$2.15M Sell
12,099
-5,163
-30% -$915K 0.03% 92
2025
Q3 		$2.97M Buy
+17,262
New +$2.74M 0.05% 89
2025
Q1 		– Sell
-156,012
Closed -$14.1M – 137
2024
Q4 		$14.1M Buy
+156,012
New +$12.3M 0.27% 57
2024
Q2 		– Sell
-2,702
Closed -$313K – 505
2024
Q1 		$313K Buy
+2,702
New +$304K 0.01% 244
2021
Q4 		– Sell
-60,271
Closed -$3.53M – 136
2021
Q3 		$3.53M Buy
+60,271
New +$3.19M 0.07% 114

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