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Entropy Technologies’s iRhythm Holdings IRTC Stock Holding History

Entropy Technologies’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 		$1.67M Buy
14,022
+3,370
+32% +$392K 0.07% 373
2026
Q1 		$1.26M Buy
10,652
+3,963
+59% +$572K 0.06% 377
2025
Q4 		$1.19M Buy
6,689
+3,700
+124% +$656K 0.06% 349
2025
Q3 		$514K Sell
2,989
-8,200
-73% -$1.3M 0.04% 508
2025
Q2 		$1.72M Buy
+11,189
New +$1.45M 0.14% 215

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

Entropy Technologies's IRTC Position: Q2 2026 in Review

Entropy Technologies increased its iRhythm Holdings (IRTC) stake by 32% in Q2 2026, buying an estimated $392K and bringing the position to 14,022 shares worth $1.67M. The position accounts for 0.07% of the portfolio, ranked #373.

Entropy Technologies first reported a position in IRTC in Q2 2025 and has held it in 5 quarters since. The position peaked at $1.72M in Q2 2025. 304 funds tracked by Wall St. Rank hold IRTC as of Q2 2026.

  • Entropy Technologies held 14,022 shares of iRhythm Holdings worth $1.67M as of Q2 2026.
  • Entropy Technologies bought 3,370 iRhythm Holdings shares in Q2 2026, an estimated $392K.
  • iRhythm Holdings made up 0.07% of Entropy Technologies's portfolio in Q2 2026, its #373 holding.
  • Entropy Technologies first reported a position in iRhythm Holdings in Q2 2025 and has held it in 5 quarters since.
  • Entropy Technologies's iRhythm Holdings position peaked at $1.72M in Q2 2025.
  • 304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q2 2026.

Based on Entropy Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.