Group One Trading’s iRhythm Holdings IRTC Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q4 | – | Sell |
-53,900
| Closed | -$9.27M | – | 8631 |
|
|
2025
Q3 | $9.27M | Sell |
53,900
-200
| -0.4% | -$31.8K | 0.02% | 959 |
|
|
2025
Q2 | $8.33M | Buy |
54,100
+200
| +0.4% | +$25.8K | 0.02% | 942 |
|
|
2025
Q1 | $5.64M | Hold |
53,900
| – | – | 0.02% | 980 |
|
|
2024
Q4 | $4.86M | Hold |
53,900
| – | – | 0.01% | 1196 |
|
|
2024
Q3 | $4M | Buy |
53,900
+4,100
| +8% | +$327K | 0.01% | 1172 |
|
|
2024
Q2 | $5.36M | Buy |
49,800
+38,400
| +337% | +$3.92M | 0.02% | 774 |
|
|
2024
Q1 | $1.32M | Buy |
11,400
+4,600
| +68% | +$517K | 0.01% | 1832 |
|
|
2023
Q4 | $728K | Hold |
6,800
| – | – | ﹤0.01% | 2755 |
|
|
2023
Q3 | $641K | Sell |
6,800
-2,500
| -27% | -$254K | ﹤0.01% | 2677 |
|
|
2023
Q2 | $970K | Buy |
9,300
+6,700
| +258% | +$804K | ﹤0.01% | 2391 |
|
|
2023
Q1 | $322K | Sell |
2,600
-300
| -10% | -$32.5K | ﹤0.01% | 3192 |
|
|
2022
Q4 | $272K | Sell |
2,900
-5,900
| -67% | -$642K | ﹤0.01% | 3593 |
|
|
2022
Q3 | $1.1M | Buy |
8,800
+6,500
| +283% | +$939K | ﹤0.01% | 2484 |
|
|
2022
Q2 | $248K | Buy |
2,300
+300
| +15% | +$39.7K | ﹤0.01% | 4096 |
|
|
2022
Q1 | $315K | Buy |
2,000
+1,100
| +122% | +$141K | ﹤0.01% | 4323 |
|
|
2021
Q4 | $106K | Sell |
900
-16,900
| -95% | -$1.55M | ﹤0.01% | 5683 |
|
|
2021
Q3 | $1.04M | Buy |
17,800
+10,900
| +158% | +$578K | ﹤0.01% | 3369 |
|
|
2021
Q2 | $458K | Sell |
6,900
-11,900
| -63% | -$943K | ﹤0.01% | 4313 |
|
|
2021
Q1 | $2.61M | Sell |
18,800
-10,100
| -35% | -$1.81M | ﹤0.01% | 2166 |
|
|
2020
Q4 | $6.86M | Buy |
28,900
+28,200
| +4,029% | +$6.43M | 0.01% | 1063 |
|
|
2020
Q3 | $167K | Sell |
700
-3,500
| -83% | -$619K | ﹤0.01% | 3811 |
|
|
2020
Q2 | $487K | Buy |
4,200
+1,800
| +75% | +$198K | ﹤0.01% | 2657 |
|
|
2020
Q1 | $195K | Buy |
2,400
+800
| +50% | +$66.3K | ﹤0.01% | 2772 |
|
|
2019
Q4 | $109K | Sell |
1,600
-3,700
| -70% | -$251K | ﹤0.01% | 3585 |
|
|
2019
Q3 | $393K | Sell |
5,300
-14,500
| -73% | -$1.12M | ﹤0.01% | 2540 |
|
|
2019
Q2 | $1.57M | Buy |
19,800
+17,200
| +662% | +$1.25M | 0.01% | 1273 |
|
|
2019
Q1 | $195K | Buy |
+2,600
| New | +$222K | ﹤0.01% | 2728 |
|
|
2018
Q3 | – | Sell |
-100
| Closed | -$8K | – | 5385 |
|
|
2018
Q2 | $8K | Sell |
100
-900
| -90% | -$62.9K | ﹤0.01% | 4678 |
|
|
2018
Q1 | $63K | Hold |
1,000
| – | – | ﹤0.01% | 3539 |
|
|
2017
Q4 | $56K | Buy |
+1,000
| New | +$52.3K | ﹤0.01% | 3667 |
|
Other funds holding IRTC
VPM
RI
VCM
Group One Trading's IRTC Position: Q1 2026 in Review
Group One Trading opened a new position in iRhythm Holdings (IRTC) in Q1 2026: 1,749 shares worth $206K. The stake represents ﹤0.01% of the portfolio and ranks #4084 among its holdings. This is a return to the name: Group One Trading previously reported a position in IRTC as recently as Q2 2025.
Group One Trading first reported a position in IRTC in Q4 2017 and has held it in 19 quarters since. The position peaked at $4.93M in Q4 2021. 304 funds tracked by Wall St. Rank hold IRTC as of Q1 2026.
- Group One Trading held 1,749 shares of iRhythm Holdings worth $206K as of Q1 2026.
- iRhythm Holdings was a new Group One Trading position in Q1 2026.
- iRhythm Holdings made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #4084 holding.
- Group One Trading first reported a position in iRhythm Holdings in Q4 2017 and has held it in 19 quarters since.
- Group One Trading's iRhythm Holdings position peaked at $4.93M in Q4 2021.
- 304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q1 2026.
Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.