Principal Financial Group
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Principal Financial Group’s iRhythm Holdings IRTC Stock Holding History

Principal Financial Group’s Portfolio IRTC Stock Details IRTC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$7.11M Buy
59,733
+6,257
+12% +$727K ﹤0.01% 1550
2026
Q1 		$6.31M Sell
53,476
-15,945
-23% -$2.3M ﹤0.01% 1548
2025
Q4 		$12.3M Sell
69,421
-10,715
-13% -$1.9M 0.01% 1175
2025
Q3 		$13.8M Buy
80,136
+967
+1% +$154K 0.01% 1095
2025
Q2 		$12.2M Buy
79,169
+28,720
+57% +$3.71M 0.01% 1142
2025
Q1 		$5.28M Buy
50,449
+47,785
+1,794% +$5.06M ﹤0.01% 1551
2024
Q4 		$240K Sell
2,664
-244
-8% -$19.2K ﹤0.01% 2074
2024
Q3 		$216K Sell
2,908
-2,383
-45% -$190K ﹤0.01% 2088
2024
Q2 		$570K Sell
5,291
-57,301
-92% -$5.85M ﹤0.01% 1923
2024
Q1 		$7.26M Buy
62,592
+55,384
+768% +$6.23M ﹤0.01% 1447
2023
Q4 		$772K Buy
7,208
+113
+2% +$9.85K ﹤0.01% 1875
2023
Q3 		$669K Sell
7,095
-246
-3% -$25K ﹤0.01% 1899
2023
Q2 		$766K Sell
7,341
-189
-3% -$22.7K ﹤0.01% 1879
2023
Q1 		$934K Sell
7,530
-498
-6% -$54K ﹤0.01% 1862
2022
Q4 		$752K Sell
8,028
-4,055
-34% -$441K ﹤0.01% 1897
2022
Q3 		$1.51M Sell
12,083
-7,745
-39% -$1.12M ﹤0.01% 1769
2022
Q2 		$2.14M Buy
19,828
+11,062
+126% +$1.47M ﹤0.01% 1787
2022
Q1 		$1.38M Buy
8,766
+214
+3% +$27.5K ﹤0.01% 1917
2021
Q4 		$1.01M Sell
8,552
-3,436
-29% -$315K ﹤0.01% 1979
2021
Q3 		$702K Buy
11,988
+538
+5% +$28.5K ﹤0.01% 2083
2021
Q2 		$760K Sell
11,450
-870
-7% -$68.9K ﹤0.01% 2111
2021
Q1 		$1.71M Sell
12,320
-725
-6% -$130K ﹤0.01% 1882
2020
Q4 		$3.09M Buy
13,045
+3,275
+34% +$746K ﹤0.01% 1701
2020
Q3 		$2.33M Sell
9,770
-465
-5% -$82.3K ﹤0.01% 1706
2020
Q2 		$1.19M Sell
10,235
-12,651
-55% -$1.39M ﹤0.01% 1801
2020
Q1 		$1.86M Buy
22,886
+3,133
+16% +$260K ﹤0.01% 1618
2019
Q4 		$1.34M Sell
19,753
-8,083
-29% -$548K ﹤0.01% 1786
2019
Q3 		$2.06M Buy
27,836
+4,821
+21% +$373K ﹤0.01% 1715
2019
Q2 		$1.82M Buy
23,015
+8,089
+54% +$589K ﹤0.01% 1740
2019
Q1 		$1.12M Buy
14,926
+499
+3% +$42.6K ﹤0.01% 1817
2018
Q4 		$1M Sell
14,427
-5,247
-27% -$398K ﹤0.01% 1812
2018
Q3 		$1.86M Buy
19,674
+1,518
+8% +$132K ﹤0.01% 1768
2018
Q2 		$1.47M Buy
18,156
+14,070
+344% +$984K ﹤0.01% 1786
2018
Q1 		$257K Buy
4,086
+366
+10% +$22.7K ﹤0.01% 2050
2017
Q4 		$209K Buy
+3,720
New +$194K ﹤0.01% 2129

Other funds holding IRTC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $550B AUM 43.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
EAM
Eventide Asset Management Boston, Massachusetts $7.48B AUM 104.76% 1-Year Est. Return

Principal Financial Group's IRTC Position: Q2 2026 in Review

Principal Financial Group increased its iRhythm Holdings (IRTC) stake by 12% in Q2 2026, buying an estimated $727K and bringing the position to 59,733 shares worth $7.11M. The position accounts for ﹤0.01% of the portfolio, ranked #1550.

Principal Financial Group first reported a position in IRTC in Q4 2017 and has held it in 35 quarters since. The position peaked at $13.8M in Q3 2025. 304 funds tracked by Wall St. Rank hold IRTC as of Q2 2026.

  • Principal Financial Group held 59,733 shares of iRhythm Holdings worth $7.11M as of Q2 2026.
  • Principal Financial Group bought 6,257 iRhythm Holdings shares in Q2 2026, an estimated $727K.
  • iRhythm Holdings made up ﹤0.01% of Principal Financial Group's portfolio in Q2 2026, its #1550 holding.
  • Principal Financial Group first reported a position in iRhythm Holdings in Q4 2017 and has held it in 35 quarters since.
  • Principal Financial Group's iRhythm Holdings position peaked at $13.8M in Q3 2025.
  • 304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q2 2026.

Based on Principal Financial Group's 13F filing for Q2 2026, filed 4 Aug 2026.