Sumitomo Mitsui Trust Group
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Sumitomo Mitsui Trust Group’s iRhythm Holdings IRTC Stock Holding History

Sumitomo Mitsui Trust 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
Q1 		– Sell
-2,350
Closed -$417K – 1070
2025
Q4 		$417K Buy
+2,350
New +$416K ﹤0.01% 973
2021
Q2 		– Sell
-6,530
Closed -$907K – 1199
2021
Q1 		$907K Sell
6,530
-6,366
-49% -$1.14M ﹤0.01% 1019
2020
Q4 		$3.06M Sell
12,896
-2,923
-18% -$666K ﹤0.01% 868
2020
Q3 		$3.77M Sell
15,819
-3,431
-18% -$607K ﹤0.01% 837
2020
Q2 		$2.23M Buy
19,250
+4,615
+32% +$509K ﹤0.01% 870
2020
Q1 		$1.19M Buy
+14,635
New +$1.21M ﹤0.01% 922

Other funds holding IRTC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
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
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Holocene Advisors
Holocene Advisors New York $44.4B AUM 57.89% 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

Sumitomo Mitsui Trust Group's IRTC Position: Q1 2026 in Review

Sumitomo Mitsui Trust Group sold out of iRhythm Holdings (IRTC) in Q1 2026, closing a stake of 2,350 shares — an estimated $417K sold.

Sumitomo Mitsui Trust Group first reported a position in IRTC in Q1 2020 and held it in 6 quarters. The position peaked at $3.77M in Q3 2020. 305 funds tracked by Wall St. Rank hold IRTC as of Q1 2026.

  • Sumitomo Mitsui Trust Group reported no remaining iRhythm Holdings position as of Q1 2026 after selling out during the quarter.
  • Sumitomo Mitsui Trust Group sold 2,350 iRhythm Holdings shares in Q1 2026, an estimated $417K.
  • Sumitomo Mitsui Trust Group first reported a position in iRhythm Holdings in Q1 2020 and held it in 6 quarters.
  • Sumitomo Mitsui Trust Group's iRhythm Holdings position peaked at $3.77M in Q3 2020.
  • 305 funds tracked by Wall St. Rank held iRhythm Holdings as of Q1 2026.

Based on Sumitomo Mitsui Trust Group's 13F filing for Q1 2026, filed 30 Apr 2026.