Susquehanna International Group
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Susquehanna International Group’s iRhythm Holdings IRTC Stock Holding History

Susquehanna International Group’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 		$2.14M Sell
18,015
-6,136
-25% -$713K ﹤0.01% 6330
2026
Q1 		$2.85M Buy
24,151
+19,392
+407% +$2.8M ﹤0.01% 5372
2025
Q4 		$844K Buy
+4,759
New +$843K ﹤0.01% 7562
2025
Q3 		– Sell
-64,668
Closed -$10.3M – 13138
2025
Q2 		$9.96M Buy
64,668
+9,560
+17% +$1.24M ﹤0.01% 2836
2025
Q1 		$5.77M Buy
55,108
+28,886
+110% +$3.06M ﹤0.01% 3379
2024
Q4 		$2.36M Sell
26,222
-54,498
-68% -$4.28M ﹤0.01% 4928
2024
Q3 		$5.99M Buy
80,720
+78,477
+3,499% +$6.25M ﹤0.01% 3307
2024
Q2 		$241K Sell
2,243
-1,617
-42% -$165K ﹤0.01% 9939
2024
Q1 		$448K Sell
3,860
-8,814
-70% -$991K ﹤0.01% 8776
2023
Q4 		$1.36M Buy
12,674
+6,957
+122% +$606K ﹤0.01% 6225
2023
Q3 		$539K Sell
5,717
-22,895
-80% -$2.33M ﹤0.01% 8055
2023
Q2 		$2.98M Buy
28,612
+15,178
+113% +$1.82M ﹤0.01% 4379
2023
Q1 		$1.67M Buy
13,434
+11,014
+455% +$1.19M ﹤0.01% 5536
2022
Q4 		$227K Sell
2,420
-8,738
-78% -$951K ﹤0.01% 9808
2022
Q3 		$1.4M Buy
11,158
+804
+8% +$116K ﹤0.01% 5754
2022
Q2 		$1.12M Buy
10,354
+7,565
+271% +$1M ﹤0.01% 6251
2022
Q1 		$439K Sell
2,789
-22,876
-89% -$2.94M ﹤0.01% 9302
2021
Q4 		$3.02M Sell
25,665
-52,819
-67% -$4.85M ﹤0.01% 4628
2021
Q3 		$4.6M Buy
78,484
+36,920
+89% +$1.96M ﹤0.01% 4111
2021
Q2 		$2.76M Buy
41,564
+35,058
+539% +$2.78M ﹤0.01% 5212
2021
Q1 		$903K Buy
6,506
+544
+9% +$97.5K ﹤0.01% 8000
2020
Q4 		$1.41M Buy
5,962
+3,234
+119% +$737K ﹤0.01% 5866
2020
Q3 		$650K Sell
2,728
-8,489
-76% -$1.5M ﹤0.01% 7120
2020
Q2 		$1.3M Buy
11,217
+1,519
+16% +$167K ﹤0.01% 5333
2020
Q1 		$789K Sell
9,698
-5,573
-36% -$462K ﹤0.01% 5922
2019
Q4 		$1.04M Sell
15,271
-36,940
-71% -$2.51M ﹤0.01% 5441
2019
Q3 		$3.87M Sell
52,211
-22,295
-30% -$1.73M ﹤0.01% 3101
2019
Q2 		$5.89M Buy
74,506
+23,035
+45% +$1.68M ﹤0.01% 2501
2019
Q1 		$3.86M Buy
+51,471
New +$4.4M ﹤0.01% 2780

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

Susquehanna International Group's IRTC Position: Q2 2026 in Review

Susquehanna International Group reduced its iRhythm Holdings (IRTC) stake by 25% in Q2 2026, selling an estimated $713K and leaving 18,015 shares worth $2.14M. The position accounts for ﹤0.01% of the portfolio, ranked #6330.

Susquehanna International Group first reported a position in IRTC in Q1 2019 and has held it in 29 quarters since. The position peaked at $9.96M in Q2 2025. 304 funds tracked by Wall St. Rank hold IRTC as of Q2 2026.

  • Susquehanna International Group held 18,015 shares of iRhythm Holdings worth $2.14M as of Q2 2026.
  • Susquehanna International Group sold 6,136 iRhythm Holdings shares in Q2 2026, an estimated $713K.
  • iRhythm Holdings made up ﹤0.01% of Susquehanna International Group's portfolio in Q2 2026, its #6330 holding.
  • Susquehanna International Group first reported a position in iRhythm Holdings in Q1 2019 and has held it in 29 quarters since.
  • Susquehanna International Group's iRhythm Holdings position peaked at $9.96M in Q2 2025.
  • 304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.