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Steve Schonfeld’s iRhythm Holdings IRTC Stock Holding History

Steve Schonfeld’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 		$18.1M Buy
152,062
+63,929
+73% +$7.43M 0.06% 270
2026
Q1 		$10.4M Buy
88,133
+76,875
+683% +$11.1M 0.07% 288
2025
Q4 		$2M Buy
11,258
+471
+4% +$83.5K 0.01% 877
2025
Q3 		$1.86M Buy
10,787
+1,317
+14% +$209K 0.01% 1071
2025
Q2 		$1.46M Buy
9,470
+6,672
+238% +$862K 0.01% 1143
2025
Q1 		$293K Sell
2,798
-3,340
-54% -$354K ﹤0.01% 1800
2024
Q4 		$553K Buy
+6,138
New +$482K ﹤0.01% 1349
2024
Q1 		– Sell
-5,430
Closed -$581K – 2221
2023
Q4 		$581K Buy
+5,430
New +$473K ﹤0.01% 1228
2023
Q2 		– Sell
-8,126
Closed -$1.01M – 2316
2023
Q1 		$1.01M Buy
+8,126
New +$881K 0.01% 957
2022
Q3 		– Sell
-21,887
Closed -$2.37M – 3069
2022
Q2 		$2.37M Buy
21,887
+6,887
+46% +$912K 0.02% 697
2022
Q1 		$2.36M Buy
+15,000
New +$1.93M 0.02% 675
2021
Q1 		– Sell
-6,800
Closed -$1.61M – 1960
2020
Q4 		$1.61M Buy
+6,800
New +$1.55M 0.02% 659
2020
Q3 		– Sell
-3,571
Closed -$414K – 1498
2020
Q2 		$414K Buy
+3,571
New +$394K 0.01% 876
2020
Q1 		– Sell
-6,700
Closed -$456K – 1324
2019
Q4 		$456K Buy
+6,700
New +$455K 0.01% 783
2019
Q3 		– Sell
-3,000
Closed -$237K – 1123
2019
Q2 		$237K Hold
3,000
– – 0.01% 843
2019
Q1 		$225K Sell
3,000
-600
-17% -$51.3K 0.01% 912
2018
Q4 		$250K Buy
+3,600
New +$273K 0.01% 884
2018
Q2 		– Sell
-27,791
Closed -$1.75M – 851
2018
Q1 		$1.75M Buy
27,791
+19,217
+224% +$1.19M 0.13% 223
2017
Q4 		$480K Buy
8,574
+699
+9% +$36.5K 0.04% 469
2017
Q3 		$409K Sell
7,875
-2,059
-21% -$93.2K 0.04% 408
2017
Q2 		$422K Buy
+9,934
New +$362K 0.04% 421

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

Steve Schonfeld's IRTC Position: Q2 2026 in Review

Steve Schonfeld increased its iRhythm Holdings (IRTC) stake by 73% in Q2 2026, buying an estimated $7.43M and bringing the position to 152,062 shares worth $18.1M. The position accounts for 0.06% of the portfolio, ranked #270.

Steve Schonfeld first reported a position in IRTC in Q2 2017 and has held it in 21 quarters since. 301 funds tracked by Wall St. Rank hold IRTC as of Q2 2026.

  • Steve Schonfeld held 152,062 shares of iRhythm Holdings worth $18.1M as of Q2 2026.
  • Steve Schonfeld bought 63,929 iRhythm Holdings shares in Q2 2026, an estimated $7.43M.
  • iRhythm Holdings made up 0.06% of Steve Schonfeld's portfolio in Q2 2026, its #270 holding.
  • Steve Schonfeld first reported a position in iRhythm Holdings in Q2 2017 and has held it in 21 quarters since.
  • 301 funds tracked by Wall St. Rank held iRhythm Holdings as of Q2 2026.

Based on Schonfeld Strategic Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.