INTECH Investment Management
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INTECH Investment Management’s iRhythm Holdings IRTC Stock Holding History

INTECH Investment Management’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 		$1M Sell
8,414
-1,691
-17% -$197K 0.01% 1032
2026
Q1 		$1.19M Sell
10,105
-5,147
-34% -$743K 0.01% 937
2025
Q4 		$2.71M Hold
15,252
– – 0.02% 601
2025
Q3 		$2.62M Sell
15,252
-2,232
-13% -$355K 0.02% 631
2025
Q2 		$2.69M Hold
17,484
– – 0.03% 585
2025
Q1 		$1.83M Buy
17,484
+2,557
+17% +$271K 0.02% 806
2024
Q4 		$1.35M Buy
14,927
+5,467
+58% +$430K 0.01% 951
2024
Q3 		$702K Buy
+9,460
New +$753K 0.01% 1024

Other funds holding IRTC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RTW Investments
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
Eventide Asset Management
Eventide Asset Management Boston, Massachusetts $7.48B AUM 104.76% 1-Year Est. Return

INTECH Investment Management's IRTC Position: Q2 2026 in Review

INTECH Investment Management reduced its iRhythm Holdings (IRTC) stake by 17% in Q2 2026, selling an estimated $197K and leaving 8,414 shares worth $1M. The position accounts for 0.01% of the portfolio, ranked #1032.

INTECH Investment Management first reported a position in IRTC in Q3 2024 and has held it in 8 quarters since. The position peaked at $2.71M in Q4 2025. 304 funds tracked by Wall St. Rank hold IRTC as of Q2 2026.

  • INTECH Investment Management held 8,414 shares of iRhythm Holdings worth $1M as of Q2 2026.
  • INTECH Investment Management sold 1,691 iRhythm Holdings shares in Q2 2026, an estimated $197K.
  • iRhythm Holdings made up 0.01% of INTECH Investment Management's portfolio in Q2 2026, its #1032 holding.
  • INTECH Investment Management first reported a position in iRhythm Holdings in Q3 2024 and has held it in 8 quarters since.
  • INTECH Investment Management's iRhythm Holdings position peaked at $2.71M in Q4 2025.
  • 304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q2 2026.

Based on INTECH Investment Management's 13F filing for Q2 2026, filed 10 Aug 2026.