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Rock Springs Capital Management’s iRhythm Technologies IRTC Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$37.3M Sell
242,500
-11,800
-5% -$1.82M 2.33% 13
2025
Q1
$26.6M Sell
254,300
-143,200
-36% -$15M 1.52% 26
2024
Q4
$35.8M Hold
397,500
1.36% 26
2024
Q3
$29.5M Hold
397,500
0.96% 40
2024
Q2
$42.8M Buy
397,500
+5,250
+1% +$565K 1.29% 31
2024
Q1
$45.5M Buy
392,250
+41,500
+12% +$4.81M 1.16% 32
2023
Q4
$37.5M Hold
350,750
0.92% 38
2023
Q3
$33.1M Buy
350,750
+41,300
+13% +$3.89M 0.89% 35
2023
Q2
$32.3M Hold
309,450
0.77% 44
2023
Q1
$38.4M Hold
309,450
0.92% 40
2022
Q4
$29M Buy
309,450
+16,200
+6% +$1.52M 0.7% 47
2022
Q3
$36.7M Buy
293,250
+23,250
+9% +$2.91M 0.95% 40
2022
Q2
$29.2M Sell
270,000
-166,000
-38% -$17.9M 0.85% 40
2022
Q1
$68.7M Buy
436,000
+3,000
+0.7% +$472K 1.73% 18
2021
Q4
$51M Sell
433,000
-15,000
-3% -$1.77M 1.18% 30
2021
Q3
$26.2M Hold
448,000
0.55% 59
2021
Q2
$29.7M Buy
448,000
+15,504
+4% +$1.03M 0.59% 55
2021
Q1
$60.1M Sell
432,496
-192,504
-31% -$26.7M 1.31% 24
2020
Q4
$148M Hold
625,000
3.14% 2
2020
Q3
$149M Sell
625,000
-26,000
-4% -$6.19M 3.78% 1
2020
Q2
$75.4M Buy
651,000
+6,000
+0.9% +$695K 2.07% 4
2020
Q1
$52.5M Buy
645,000
+21,000
+3% +$1.71M 2.17% 5
2019
Q4
$42.5M Buy
624,000
+69,000
+12% +$4.7M 1.34% 19
2019
Q3
$41.1M Buy
555,000
+55,385
+11% +$4.1M 1.64% 12
2019
Q2
$39.5M Hold
499,615
1.43% 17
2019
Q1
$37.5M Buy
499,615
+17,615
+4% +$1.32M 1.44% 14
2018
Q4
$33.5M Buy
482,000
+2,000
+0.4% +$139K 1.58% 16
2018
Q3
$45.4M Hold
480,000
1.65% 13
2018
Q2
$38.9M Buy
480,000
+2,500
+0.5% +$203K 1.5% 16
2018
Q1
$30.1M Buy
477,500
+71,500
+18% +$4.5M 1.28% 21
2017
Q4
$22.8M Buy
406,000
+20,000
+5% +$1.12M 1.03% 29
2017
Q3
$20M Buy
+386,000
New +$20M 0.92% 37