Simplex 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
2026
Q1
Sell
-2,700
Closed -$479K 9595
2025
Q4
$479K Buy
2,700
+1,300
+93% +$230K ﹤0.01% 3346
2025
Q3
$240K Buy
1,400
+600
+75% +$95.4K ﹤0.01% 4719
2025
Q2
$123K Sell
800
-7,300
-90% -$943K ﹤0.01% 5030
2025
Q1
$847K Sell
8,100
-3,000
-27% -$318K ﹤0.01% 2870
2024
Q4
$1M Sell
11,100
-57,900
-84% -$4.55M ﹤0.01% 2839
2024
Q3
$5.12M Buy
69,000
+63,000
+1,050% +$5.02M ﹤0.01% 1468
2024
Q2
$645K Sell
6,000
-1,900
-24% -$194K ﹤0.01% 3376
2024
Q1
$916K Sell
7,900
-12,700
-62% -$1.43M ﹤0.01% 3213
2023
Q4
$2.21M Buy
20,600
+5,900
+40% +$514K ﹤0.01% 2276
2023
Q3
$1.39M Buy
14,700
+1,200
+9% +$122K ﹤0.01% 2375
2023
Q2
$1.41M Buy
13,500
+300
+2% +$36K ﹤0.01% 2262
2023
Q1
$1.64M Buy
13,200
+2,900
+28% +$315K ﹤0.01% 2118
2022
Q4
$964K Sell
10,300
-5,600
-35% -$610K ﹤0.01% 2501
2022
Q3
$1.99M Sell
15,900
-23,200
-59% -$3.35M ﹤0.01% 1958
2022
Q2
$4.22M Buy
39,100
+30,100
+334% +$3.99M ﹤0.01% 1249
2022
Q1
$1.42M Buy
9,000
+1,100
+14% +$141K ﹤0.01% 2475
2021
Q4
$929K Sell
7,900
-2,000
-20% -$183K ﹤0.01% 2963
2021
Q3
$631K Buy
9,900
+200
+2% +$10.6K ﹤0.01% 3737
2021
Q2
$643K Buy
9,700
+9,623
+12,497% +$763K ﹤0.01% 3769
2021
Q1
$1.07M Sell
77
-10
-11% -$1.79K ﹤0.01% 2320
2020
Q4
$2.06M Buy
87
+6
+7% +$1.37K ﹤0.01% 1750
2020
Q3
$1.93M Sell
81
-43
-35% -$7.61K ﹤0.01% 1562
2020
Q2
$1.44M Buy
124
+103
+490% +$11.4K ﹤0.01% 1793
2020
Q1
$170K Buy
21
+19
+950% +$1.58K ﹤0.01% 3780
2019
Q4
$13K Buy
2
+1
+100% +$68 ﹤0.01% 6236
2019
Q3
$7K Buy
+1
New +$77 ﹤0.01% 6446
2019
Q2
Sell
-31
Closed -$232K 7423
2019
Q1
$232K Buy
31
+30
+3,000% +$2.56K ﹤0.01% 3441
2018
Q4
$6K Sell
1
-70
-99% -$5.31K ﹤0.01% 6134
2018
Q3
$672K Buy
71
+62
+689% +$5.4K ﹤0.01% 2307
2018
Q2
$73K Buy
+9
New +$629 ﹤0.01% 4649

Other funds holding IRTC

Simplex Trading's IRTC Position: Q2 2026 in Review

Simplex Trading increased its iRhythm Holdings (IRTC) stake by 147% in Q2 2026, buying an estimated $31.2K and bringing the position to 450 shares worth $53.5K. The position accounts for ﹤0.01% of the portfolio, ranked #6238.

Simplex Trading first reported a position in IRTC in Q1 2018 and has held it in 17 quarters since. The position peaked at $1.62M in Q3 2024. 304 funds tracked by Wall St. Rank hold IRTC as of Q2 2026.

  • Simplex Trading held 450 shares of iRhythm Holdings worth $53.5K as of Q2 2026.
  • Simplex Trading bought 268 iRhythm Holdings shares in Q2 2026, an estimated $31.2K.
  • iRhythm Holdings made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #6238 holding.
  • Simplex Trading first reported a position in iRhythm Holdings in Q1 2018 and has held it in 17 quarters since.
  • Simplex Trading's iRhythm Holdings position peaked at $1.62M in Q3 2024.
  • 304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.