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Quadrant Capital Group’s iRhythm Holdings IRTC Stock Holding History

Quadrant Capital 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 		$231K Hold
1,940
– – 0.01% 1164
2026
Q1 		$229K Hold
1,940
– – 0.01% 1225
2025
Q4 		$344K Sell
1,940
-10
-0.5% -$1.77K 0.01% 1096
2025
Q3 		$335K Buy
1,950
+10
+0.5% +$1.59K 0.01% 1074
2025
Q2 		$299K Hold
1,940
– – 0.01% 1142
2025
Q1 		$203K Buy
1,940
+1,865
+2,487% +$198K 0.01% 1288
2024
Q4 		$6.76K Buy
75
+58
+341% +$4.56K ﹤0.01% 2240
2024
Q3 		$1.26K Sell
17
-13
-43% -$1.03K ﹤0.01% 2560
2024
Q2 		$3.23K Sell
30
-3
-9% -$306 ﹤0.01% 2396
2024
Q1 		$3.83K Sell
33
-9
-21% -$1.01K ﹤0.01% 2378
2023
Q4 		$4.5K Buy
42
+6
+17% +$523 ﹤0.01% 2301
2023
Q3 		$3.39K Sell
36
-2
-5% -$203 ﹤0.01% 2269
2023
Q2 		$3.96K Buy
38
+3
+9% +$360 ﹤0.01% 2261
2023
Q1 		$4.34K Buy
35
+1
+3% +$108 ﹤0.01% 2263
2022
Q4 		$3.19K Sell
34
-65
-66% -$7.08K ﹤0.01% 2308
2022
Q3 		$12K Buy
99
+51
+106% +$7.36K ﹤0.01% 1800
2022
Q2 		$5K Hold
48
– – ﹤0.01% 1963
2022
Q1 		$8K Buy
48
+5
+12% +$642 ﹤0.01% 1744
2021
Q4 		$5K Buy
43
+13
+43% +$1.19K ﹤0.01% 1874
2021
Q3 		$2K Sell
30
-123
-80% -$6.52K ﹤0.01% 2156
2021
Q2 		$10K Buy
+153
New +$12.1K ﹤0.01% 1565

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

Quadrant Capital Group's IRTC Position: Q2 2026 in Review

Quadrant Capital Group held its iRhythm Holdings (IRTC) position steady in Q2 2026 at 1,940 shares worth $231K. The position accounts for 0.01% of the portfolio, ranked #1164.

Quadrant Capital Group first reported a position in IRTC in Q2 2021 and has held it in 21 quarters since. The position peaked at $344K in Q4 2025. 303 funds tracked by Wall St. Rank hold IRTC as of Q2 2026.

  • Quadrant Capital Group held 1,940 shares of iRhythm Holdings worth $231K as of Q2 2026.
  • Quadrant Capital Group left its iRhythm Holdings share count unchanged in Q2 2026.
  • iRhythm Holdings made up 0.01% of Quadrant Capital Group's portfolio in Q2 2026, its #1164 holding.
  • Quadrant Capital Group first reported a position in iRhythm Holdings in Q2 2021 and has held it in 21 quarters since.
  • Quadrant Capital Group's iRhythm Holdings position peaked at $344K in Q4 2025.
  • 303 funds tracked by Wall St. Rank held iRhythm Holdings as of Q2 2026.

Based on Quadrant Capital Group's 13F filing for Q2 2026, filed 14 Aug 2026.