Citadel Advisors’s iRhythm Holdings IRTC Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $13.4M | Buy |
+113,600
| New | +$16.4M | ﹤0.01% | 2838 |
|
|
2025
Q4 | – | Sell |
-8,892
| Closed | -$1.58M | – | 13355 |
|
|
2025
Q3 | $1.53M | Sell |
8,892
-91,131
| -91% | -$14.5M | ﹤0.01% | 6626 |
|
|
2025
Q2 | $15.4M | Buy |
100,023
+96,921
| +3,124% | +$12.5M | ﹤0.01% | 2469 |
|
|
2025
Q1 | $325K | Sell |
3,102
-299,954
| -99% | -$31.8M | ﹤0.01% | 9407 |
|
|
2024
Q4 | $27.3M | Buy |
303,056
+248,010
| +451% | +$19.5M | ﹤0.01% | 1831 |
|
|
2024
Q3 | $4.09M | Sell |
55,046
-109,140
| -66% | -$8.69M | ﹤0.01% | 4280 |
|
|
2024
Q2 | $17.7M | Sell |
164,186
-154,011
| -48% | -$15.7M | ﹤0.01% | 2124 |
|
|
2024
Q1 | $36.9M | Buy |
318,197
+294,062
| +1,218% | +$33.1M | 0.01% | 1462 |
|
|
2023
Q4 | $2.58M | Buy |
24,135
+15,851
| +191% | +$1.38M | ﹤0.01% | 4916 |
|
|
2023
Q3 | $781K | Buy |
8,284
+7,726
| +1,385% | +$786K | ﹤0.01% | 7096 |
|
|
2023
Q2 | $58.2K | Sell |
558
-7,032
| -93% | -$844K | ﹤0.01% | 11627 |
|
|
2023
Q1 | $941K | Sell |
7,590
-290,012
| -97% | -$31.5M | ﹤0.01% | 6908 |
|
|
2022
Q4 | $27.9M | Buy |
297,602
+90,958
| +44% | +$9.9M | 0.01% | 1617 |
|
|
2022
Q3 | $25.9M | Sell |
206,644
-532,356
| -72% | -$76.9M | 0.01% | 1629 |
|
|
2022
Q2 | $79.8M | Buy |
739,000
+339,594
| +85% | +$45M | 0.02% | 702 |
|
|
2022
Q1 | $62.9M | Sell |
399,406
-109,188
| -21% | -$14M | 0.01% | 954 |
|
|
2021
Q4 | $59.9M | Sell |
508,594
-107,121
| -17% | -$9.83M | 0.01% | 1035 |
|
|
2021
Q3 | $36.1M | Sell |
615,715
-311,009
| -34% | -$16.5M | 0.01% | 1393 |
|
|
2021
Q2 | $61.5M | Buy |
926,724
+742,315
| +403% | +$58.8M | 0.01% | 966 |
|
|
2021
Q1 | $25.6M | Buy |
184,409
+181,988
| +7,517% | +$32.6M | 0.01% | 1680 |
|
|
2020
Q4 | $574K | Sell |
2,421
-49,206
| -95% | -$11.2M | ﹤0.01% | 7890 |
|
|
2020
Q3 | $12.3M | Sell |
51,627
-8,253
| -14% | -$1.46M | ﹤0.01% | 2047 |
|
|
2020
Q2 | $6.94M | Sell |
59,880
-242,156
| -80% | -$26.7M | ﹤0.01% | 2638 |
|
|
2020
Q1 | $24.6M | Buy |
302,036
+193,132
| +177% | +$16M | 0.01% | 1075 |
|
|
2019
Q4 | $7.42M | Sell |
108,904
-20,454
| -16% | -$1.39M | ﹤0.01% | 2568 |
|
|
2019
Q3 | $9.59M | Buy |
129,358
+47,663
| +58% | +$3.69M | ﹤0.01% | 2268 |
|
|
2019
Q2 | $6.46M | Sell |
81,695
-124,955
| -60% | -$9.1M | ﹤0.01% | 2729 |
|
|
2019
Q1 | $15.5M | Sell |
206,650
-104,733
| -34% | -$8.95M | 0.01% | 1564 |
|
|
2018
Q4 | $21.6M | Sell |
311,383
-63,815
| -17% | -$4.84M | 0.01% | 1177 |
|
|
2018
Q3 | $35.5M | Buy |
375,198
+81,369
| +28% | +$7.09M | 0.02% | 963 |
|
|
2018
Q2 | $23.8M | Buy |
293,829
+126,022
| +75% | +$8.81M | 0.01% | 1161 |
|
|
2018
Q1 | $10.6M | Sell |
167,807
-426,687
| -72% | -$26.4M | 0.01% | 1680 |
|
|
2017
Q4 | $33.3M | Buy |
594,494
+271,543
| +84% | +$14.2M | 0.02% | 851 |
|
|
2017
Q3 | $16.8M | Sell |
322,951
-119,759
| -27% | -$5.42M | 0.01% | 1202 |
|
|
2017
Q2 | $18.8M | Buy |
442,710
+256,586
| +138% | +$9.34M | 0.02% | 1032 |
|
|
2017
Q1 | $7M | Buy |
+186,124
| New | +$6.4M | 0.01% | 1711 |
|
Other funds holding IRTC
VPM
RI
VCM
Citadel Advisors's IRTC Position: Q1 2026 in Review
Citadel Advisors opened a new position in iRhythm Holdings (IRTC) in Q1 2026: 113,600 shares worth $13.4M. The stake represents ﹤0.01% of the portfolio and ranks #2838 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in IRTC as recently as Q3 2025.
Citadel Advisors first reported a position in IRTC in Q1 2017 and has held it in 36 quarters since. The position peaked at $79.8M in Q2 2022. 304 funds tracked by Wall St. Rank hold IRTC as of Q1 2026.
- Citadel Advisors held 113,600 shares of iRhythm Holdings worth $13.4M as of Q1 2026.
- iRhythm Holdings was a new Citadel Advisors position in Q1 2026.
- iRhythm Holdings made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #2838 holding.
- Citadel Advisors first reported a position in iRhythm Holdings in Q1 2017 and has held it in 36 quarters since.
- Citadel Advisors's iRhythm Holdings position peaked at $79.8M in Q2 2022.
- 304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.