DB
IRTC icon

Dmitry Balyasny’s iRhythm Holdings IRTC Stock Holding History

Dmitry Balyasny’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
2024
Q4 		– Sell
-100,000
Closed -$7.42M – 2996
2024
Q3 		$7.42M Buy
+100,000
New +$7.96M 0.01% 1085
2024
Q1 		– Sell
-13,500
Closed -$1.45M – 2857
2023
Q4 		$1.45M Buy
+13,500
New +$1.18M ﹤0.01% 1550
2018
Q4 		– Sell
-100,000
Closed -$9.29M – 1553
2018
Q3 		$9.29M Buy
+100,000
New +$8.71M 0.04% 513

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

Dmitry Balyasny's IRTC Position: Q2 2026 in Review

Dmitry Balyasny reduced its iRhythm Holdings (IRTC) stake by 97% in Q2 2026, selling an estimated $22M and leaving 5,563 shares worth $662K. The position accounts for ﹤0.01% of the portfolio, ranked #2400.

Dmitry Balyasny first reported a position in IRTC in Q2 2017 and has held it in 29 quarters since. The position peaked at $46.7M in Q1 2023. 301 funds tracked by Wall St. Rank hold IRTC as of Q2 2026.

  • Dmitry Balyasny held 5,563 shares of iRhythm Holdings worth $662K as of Q2 2026.
  • Dmitry Balyasny sold 188,866 iRhythm Holdings shares in Q2 2026, an estimated $22M.
  • iRhythm Holdings made up ﹤0.01% of Dmitry Balyasny's portfolio in Q2 2026, its #2400 holding.
  • Dmitry Balyasny first reported a position in iRhythm Holdings in Q2 2017 and has held it in 29 quarters since.
  • Dmitry Balyasny's iRhythm Holdings position peaked at $46.7M in Q1 2023.
  • 301 funds tracked by Wall St. Rank held iRhythm Holdings as of Q2 2026.

Based on Balyasny Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.