D.E. Shaw & Co
IRTC icon

D.E. Shaw & Co’s iRhythm Holdings IRTC Stock Holding History

D.E. Shaw & Co’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 		$702K Buy
+5,900
New +$686K ﹤0.01% 3987
2023
Q4 		– Sell
-3,200
Closed -$302K – 4444
2023
Q3 		$302K Sell
3,200
-3,000
-48% -$305K ﹤0.01% 3613
2023
Q2 		$647K Sell
6,200
-500
-7% -$60K ﹤0.01% 3310
2023
Q1 		$831K Buy
+6,700
New +$727K ﹤0.01% 3281

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

D.E. Shaw & Co's IRTC Position: Q2 2026 in Review

D.E. Shaw & Co increased its iRhythm Holdings (IRTC) stake by 14% in Q2 2026, buying an estimated $8.77M and bringing the position to 629,686 shares worth $74.9M. The position accounts for 0.04% of the portfolio, ranked #567.

D.E. Shaw & Co first reported a position in IRTC in Q2 2017 and has held it in 32 quarters since. 304 funds tracked by Wall St. Rank hold IRTC as of Q2 2026.

  • D.E. Shaw & Co held 629,686 shares of iRhythm Holdings worth $74.9M as of Q2 2026.
  • D.E. Shaw & Co bought 75,420 iRhythm Holdings shares in Q2 2026, an estimated $8.77M.
  • iRhythm Holdings made up 0.04% of D.E. Shaw & Co's portfolio in Q2 2026, its #567 holding.
  • D.E. Shaw & Co first reported a position in iRhythm Holdings in Q2 2017 and has held it in 32 quarters since.
  • 304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q2 2026.

Based on D.E. Shaw & Co's 13F filing for Q2 2026, filed 14 Aug 2026.