TI
IRTC icon

Trexquant Investment’s iRhythm Holdings IRTC Stock Holding History

Trexquant Investment’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 		$11.5M Sell
96,268
-15,043
-14% -$1.75M 0.07% 377
2026
Q1 		$13.1M Buy
111,311
+32,658
+42% +$4.71M 0.09% 285
2025
Q4 		$14M Buy
78,653
+53,890
+218% +$9.55M 0.12% 211
2025
Q3 		$4.26M Sell
24,763
-40,454
-62% -$6.43M 0.04% 609
2025
Q2 		$10M Buy
65,217
+44,426
+214% +$5.74M 0.11% 251
2025
Q1 		$2.18M Buy
+20,791
New +$2.2M 0.03% 839
2024
Q4 		– Sell
-11,683
Closed -$867K – 1696
2024
Q3 		$867K Sell
11,683
-15,769
-57% -$1.26M 0.01% 1090
2024
Q2 		$2.95M Buy
27,452
+5,383
+24% +$550K 0.05% 590
2024
Q1 		$2.56M Sell
22,069
-14,260
-39% -$1.6M 0.05% 564
2023
Q4 		$3.89M Buy
36,329
+16,700
+85% +$1.46M 0.09% 330
2023
Q3 		$1.85M Buy
19,629
+16,416
+511% +$1.67M 0.05% 510
2023
Q2 		$335K Sell
3,213
-7,022
-69% -$843K 0.01% 1158
2023
Q1 		$1.27M Sell
10,235
-2,875
-22% -$312K 0.03% 632
2022
Q4 		$1.23M Sell
13,110
-1,414
-10% -$154K 0.03% 578
2022
Q3 		$1.82M Buy
+14,524
New +$2.1M 0.06% 376
2022
Q2 		– Sell
-4,512
Closed -$711K – 1674
2022
Q1 		$711K Sell
4,512
-4,479
-50% -$575K 0.03% 618
2021
Q4 		$1.06M Buy
+8,991
New +$825K 0.07% 368
2021
Q2 		– Sell
-4,283
Closed -$595K – 1289
2021
Q1 		$595K Buy
+4,283
New +$768K 0.05% 445
2019
Q4 		– Sell
-16,010
Closed -$1.19M – 1146
2019
Q3 		$1.19M Buy
16,010
+999
+7% +$77.4K 0.1% 251
2019
Q2 		$1.19M Buy
+15,011
New +$1.09M 0.11% 274
2018
Q4 		– Sell
-14,748
Closed -$1.4M – 1160
2018
Q3 		$1.4M Buy
+14,748
New +$1.28M 0.11% 271
2018
Q2 		– Sell
-12,302
Closed -$774K – 1045
2018
Q1 		$774K Buy
12,302
+8,155
+197% +$505K 0.05% 494
2017
Q4 		$232K Buy
+4,147
New +$217K 0.03% 865

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

Trexquant Investment's IRTC Position: Q2 2026 in Review

Trexquant Investment reduced its iRhythm Holdings (IRTC) stake by 14% in Q2 2026, selling an estimated $1.75M and leaving 96,268 shares worth $11.5M. The position accounts for 0.07% of the portfolio, ranked #377.

Trexquant Investment first reported a position in IRTC in Q4 2017 and has held it in 23 quarters since. The position peaked at $14M in Q4 2025. 304 funds tracked by Wall St. Rank hold IRTC as of Q2 2026.

  • Trexquant Investment held 96,268 shares of iRhythm Holdings worth $11.5M as of Q2 2026.
  • Trexquant Investment sold 15,043 iRhythm Holdings shares in Q2 2026, an estimated $1.75M.
  • iRhythm Holdings made up 0.07% of Trexquant Investment's portfolio in Q2 2026, its #377 holding.
  • Trexquant Investment first reported a position in iRhythm Holdings in Q4 2017 and has held it in 23 quarters since.
  • Trexquant Investment's iRhythm Holdings position peaked at $14M in Q4 2025.
  • 304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q2 2026.

Based on Trexquant Investment's 13F filing for Q2 2026, filed 14 Aug 2026.