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 | $460K | Sell |
3,900
-4,800
| -55% | -$693K | ﹤0.01% | 9504 |
|
|
2025
Q4 | $1.54M | Sell |
8,700
-17,400
| -67% | -$3.08M | ﹤0.01% | 6444 |
|
|
2025
Q3 | $4.49M | Buy |
26,100
+4,200
| +19% | +$668K | ﹤0.01% | 4554 |
|
|
2025
Q2 | $3.37M | Sell |
21,900
-7,100
| -24% | -$918K | ﹤0.01% | 4778 |
|
|
2025
Q1 | $3.04M | Sell |
29,000
-7,100
| -20% | -$752K | ﹤0.01% | 4749 |
|
|
2024
Q4 | $3.26M | Sell |
36,100
-40,300
| -53% | -$3.17M | ﹤0.01% | 4701 |
|
|
2024
Q3 | $5.67M | Buy |
76,400
+52,800
| +224% | +$4.21M | ﹤0.01% | 3750 |
|
|
2024
Q2 | $2.54M | Buy |
23,600
+6,800
| +40% | +$695K | ﹤0.01% | 4872 |
|
|
2024
Q1 | $1.95M | Sell |
16,800
-12,700
| -43% | -$1.43M | ﹤0.01% | 5574 |
|
|
2023
Q4 | $3.16M | Sell |
29,500
-36,300
| -55% | -$3.16M | ﹤0.01% | 4549 |
|
|
2023
Q3 | $6.2M | Buy |
65,800
+30,800
| +88% | +$3.13M | ﹤0.01% | 3329 |
|
|
2023
Q2 | $3.65M | Sell |
35,000
-26,400
| -43% | -$3.17M | ﹤0.01% | 4137 |
|
|
2023
Q1 | $7.62M | Buy |
61,400
+11,400
| +23% | +$1.24M | ﹤0.01% | 3167 |
|
|
2022
Q4 | $4.68M | Sell |
50,000
-4,700
| -9% | -$512K | ﹤0.01% | 3966 |
|
|
2022
Q3 | $6.85M | Buy |
54,700
+28,400
| +108% | +$4.1M | ﹤0.01% | 3354 |
|
|
2022
Q2 | $2.84M | Sell |
26,300
-4,300
| -14% | -$570K | ﹤0.01% | 4853 |
|
|
2022
Q1 | $4.82M | Sell |
30,600
-27,700
| -48% | -$3.56M | ﹤0.01% | 4238 |
|
|
2021
Q4 | $6.86M | Sell |
58,300
-12,300
| -17% | -$1.13M | ﹤0.01% | 3755 |
|
|
2021
Q3 | $4.13M | Buy |
70,600
+7,600
| +12% | +$403K | ﹤0.01% | 4676 |
|
|
2021
Q2 | $4.18M | Buy |
63,000
+16,800
| +36% | +$1.33M | ﹤0.01% | 4830 |
|
|
2021
Q1 | $6.42M | Buy |
46,200
+5,700
| +14% | +$1.02M | ﹤0.01% | 3756 |
|
|
2020
Q4 | $9.61M | Buy |
40,500
+22,200
| +121% | +$5.06M | ﹤0.01% | 2690 |
|
|
2020
Q3 | $4.36M | Buy |
18,300
+9,200
| +101% | +$1.63M | ﹤0.01% | 3354 |
|
|
2020
Q2 | $1.05M | Sell |
9,100
-2,800
| -24% | -$309K | ﹤0.01% | 5737 |
|
|
2020
Q1 | $968K | Buy |
11,900
+300
| +3% | +$24.9K | ﹤0.01% | 5390 |
|
|
2019
Q4 | $790K | Sell |
11,600
-5,100
| -31% | -$346K | ﹤0.01% | 6018 |
|
|
2019
Q3 | $1.24M | Sell |
16,700
-2,600
| -13% | -$201K | ﹤0.01% | 5223 |
|
|
2019
Q2 | $1.53M | Sell |
19,300
-1,100
| -5% | -$80.1K | ﹤0.01% | 4986 |
|
|
2019
Q1 | $1.53M | Buy |
20,400
+9,500
| +87% | +$812K | ﹤0.01% | 4890 |
|
|
2018
Q4 | $757K | Sell |
10,900
-3,900
| -26% | -$296K | ﹤0.01% | 5740 |
|
|
2018
Q3 | $1.4M | Buy |
14,800
+7,700
| +108% | +$671K | ﹤0.01% | 4973 |
|
|
2018
Q2 | $576K | Buy |
+7,100
| New | +$496K | ﹤0.01% | 6141 |
|
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.