AQR Capital Management
IRTC icon

AQR Capital Management’s iRhythm Holdings IRTC Stock Holding History

AQR Capital 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 		$4.08M Sell
34,590
-5,575
-14% -$804K ﹤0.01% 1874
2025
Q4 		$7.13M Buy
40,165
+8,744
+28% +$1.55M ﹤0.01% 1372
2025
Q3 		$5.4M Buy
31,421
+24,436
+350% +$3.88M ﹤0.01% 1409
2025
Q2 		$1.08M Sell
6,985
-1,318
-16% -$170K ﹤0.01% 2164
2025
Q1 		$869K Buy
8,303
+23
+0.3% +$2.44K ﹤0.01% 2119
2024
Q4 		$747K Buy
+8,280
New +$651K ﹤0.01% 2052
2024
Q2 		– Sell
-3,026
Closed -$351K – 2634
2024
Q1 		$351K Sell
3,026
-3,113
-51% -$350K ﹤0.01% 2084
2023
Q4 		$657K Buy
6,139
+1,607
+35% +$140K ﹤0.01% 1763
2023
Q3 		$427K Buy
4,532
+1,204
+36% +$122K ﹤0.01% 1899
2023
Q2 		$347K Buy
3,328
+597
+22% +$71.7K ﹤0.01% 1896
2023
Q1 		$339K Sell
2,731
-12,437
-82% -$1.35M ﹤0.01% 1909
2022
Q4 		$1.42M Sell
15,168
-3,040
-17% -$331K ﹤0.01% 1410
2022
Q3 		$2.28M Buy
18,208
+5,035
+38% +$727K 0.01% 1148
2022
Q2 		$1.42M Sell
13,173
-447
-3% -$59.2K ﹤0.01% 1271
2022
Q1 		$2.15M Buy
13,620
+7,884
+137% +$1.01M ﹤0.01% 1139
2021
Q4 		$675K Sell
5,736
-17,097
-75% -$1.57M ﹤0.01% 1723
2021
Q3 		$1.34M Buy
22,833
+8,255
+57% +$437K ﹤0.01% 1392
2021
Q2 		$967K Buy
14,578
+5,543
+61% +$439K ﹤0.01% 1608
2021
Q1 		$1.25M Sell
9,035
-2,981
-25% -$534K ﹤0.01% 1450
2020
Q4 		$2.85M Sell
12,016
-3,229
-21% -$736K 0.01% 993
2020
Q3 		$3.63M Buy
15,245
+8,753
+135% +$1.55M 0.01% 866
2020
Q2 		$752K Buy
+6,492
New +$716K ﹤0.01% 1593
2019
Q3 		– Sell
-6,196
Closed -$490K – 2133
2019
Q2 		$490K Sell
6,196
-4,045
-39% -$295K ﹤0.01% 1738
2019
Q1 		$768K Sell
10,241
-260
-2% -$22.2K ﹤0.01% 1648
2018
Q4 		$730K Sell
10,501
-1,519
-13% -$115K ﹤0.01% 1629
2018
Q3 		$1.14M Buy
12,020
+3,829
+47% +$333K ﹤0.01% 1657
2018
Q2 		$665K Buy
8,191
+3,347
+69% +$234K ﹤0.01% 1883
2018
Q1 		$305K Buy
+4,844
New +$300K ﹤0.01% 2043

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

AQR Capital Management's IRTC Position: Q1 2026 in Review

AQR Capital Management reduced its iRhythm Holdings (IRTC) stake by 14% in Q1 2026, selling an estimated $804K and leaving 34,590 shares worth $4.08M. The position accounts for ﹤0.01% of the portfolio, ranked #1874.

AQR Capital Management first reported a position in IRTC in Q1 2018 and has held it in 28 quarters since. The position peaked at $7.13M in Q4 2025. 304 funds tracked by Wall St. Rank hold IRTC as of Q1 2026.

  • AQR Capital Management held 34,590 shares of iRhythm Holdings worth $4.08M as of Q1 2026.
  • AQR Capital Management sold 5,575 iRhythm Holdings shares in Q1 2026, an estimated $804K.
  • iRhythm Holdings made up ﹤0.01% of AQR Capital Management's portfolio in Q1 2026, its #1874 holding.
  • AQR Capital Management first reported a position in iRhythm Holdings in Q1 2018 and has held it in 28 quarters since.
  • AQR Capital Management's iRhythm Holdings position peaked at $7.13M in Q4 2025.
  • 304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q1 2026.

Based on AQR Capital Management's 13F filing for Q1 2026, filed 15 May 2026.