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Stephens Investment Management Group’s iRhythm Holdings IRTC Stock Holding History

Stephens Investment Management 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 		$82.5M Buy
693,437
+131,907
+23% +$15.3M 0.88% 43
2026
Q1 		$66.3M Buy
561,530
+42,205
+8% +$6.09M 0.91% 39
2025
Q4 		$92.1M Sell
519,325
-633
-0.1% -$112K 1.2% 21
2025
Q3 		$89.4M Sell
519,958
-32,958
-6% -$5.24M 1.16% 23
2025
Q2 		$85.1M Buy
552,916
+32,334
+6% +$4.18M 1.12% 26
2025
Q1 		$54.5M Buy
520,582
+17,657
+4% +$1.87M 0.79% 46
2024
Q4 		$45.3M Buy
502,925
+102,600
+26% +$8.06M 0.61% 72
2024
Q3 		$29.7M Sell
400,325
-20,282
-5% -$1.62M 0.41% 96
2024
Q2 		$45.3M Buy
420,607
+8,834
+2% +$902K 0.63% 70
2024
Q1 		$47.8M Buy
411,773
+52,548
+15% +$5.91M 0.64% 75
2023
Q4 		$38.5M Buy
359,225
+53,219
+17% +$4.64M 0.56% 83
2023
Q3 		$28.8M Buy
306,006
+683
+0.2% +$69.4K 0.47% 92
2023
Q2 		$31.9M Buy
305,323
+7,488
+3% +$899K 0.5% 92
2023
Q1 		$36.9M Buy
297,835
+9,443
+3% +$1.02M 0.62% 79
2022
Q4 		$26.9M Buy
288,392
+1,444
+0.5% +$157K 0.49% 94
2022
Q3 		$35.9M Sell
286,948
-20,829
-7% -$3.01M 0.68% 70
2022
Q2 		$33.2M Sell
307,777
-46,252
-13% -$6.13M 0.61% 80
2022
Q1 		$55.7M Buy
354,029
+5,432
+2% +$698K 0.82% 53
2021
Q4 		$41M Buy
348,597
+74,915
+27% +$6.87M 0.53% 88
2021
Q3 		$16M Sell
273,682
-1,324
-0.5% -$70.2K 0.22% 128
2021
Q2 		$18.2M Buy
275,006
+95,336
+53% +$7.55M 0.25% 127
2021
Q1 		$24.9M Buy
179,670
+116,918
+186% +$21M 0.36% 111
2020
Q4 		$14.9M Buy
+62,752
New +$14.3M 0.22% 123

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

Stephens Investment Management Group's IRTC Position: Q2 2026 in Review

Stephens Investment Management Group increased its iRhythm Holdings (IRTC) stake by 23% in Q2 2026, buying an estimated $15.3M and bringing the position to 693,437 shares worth $82.5M. The position accounts for 0.88% of the portfolio, ranked #43.

Stephens Investment Management Group first reported a position in IRTC in Q4 2020 and has held it in 23 quarters since. The position peaked at $92.1M in Q4 2025. 304 funds tracked by Wall St. Rank hold IRTC as of Q2 2026.

  • Stephens Investment Management Group held 693,437 shares of iRhythm Holdings worth $82.5M as of Q2 2026.
  • Stephens Investment Management Group bought 131,907 iRhythm Holdings shares in Q2 2026, an estimated $15.3M.
  • iRhythm Holdings made up 0.88% of Stephens Investment Management Group's portfolio in Q2 2026, its #43 holding.
  • Stephens Investment Management Group first reported a position in iRhythm Holdings in Q4 2020 and has held it in 23 quarters since.
  • Stephens Investment Management Group's iRhythm Holdings position peaked at $92.1M in Q4 2025.
  • 304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q2 2026.

Based on Stephens Investment Management Group's 13F filing for Q2 2026, filed 29 Jul 2026.