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R Squared’s iRhythm Holdings IRTC Stock Holding History

R Squared’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
2025
Q3 		– Sell
-2,621
Closed -$404K – 628
2025
Q2 		$404K Buy
+2,621
New +$339K 0.22% 145
2025
Q1 		– Sell
-500
Closed -$45.1K – 885
2024
Q4 		$45.1K Buy
+500
New +$39.3K 0.04% 537

Other funds holding IRTC

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return
Sands Capital Management
Sands Capital Management Arlington, Virginia $25.5B AUM 26.46% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
William Blair & Company
William Blair & Company Chicago, Illinois $34.9B AUM 18.88% 1-Year Est. Return
EAM
Eventide Asset Management Boston, Massachusetts $6.05B AUM 76.64% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

R Squared's IRTC Position: Q3 2025 in Review

R Squared sold out of iRhythm Holdings (IRTC) in Q3 2025, closing a stake of 2,621 shares — an estimated $404K sold.

R Squared first reported a position in IRTC in Q4 2024 and held it in 2 quarters. The position peaked at $404K in Q2 2025. 337 funds tracked by Wall St. Rank hold IRTC as of Q3 2025.

  • R Squared reported no remaining iRhythm Holdings position as of Q3 2025 after selling out during the quarter.
  • R Squared sold 2,621 iRhythm Holdings shares in Q3 2025, an estimated $404K.
  • R Squared first reported a position in iRhythm Holdings in Q4 2024 and held it in 2 quarters.
  • R Squared's iRhythm Holdings position peaked at $404K in Q2 2025.
  • 337 funds tracked by Wall St. Rank held iRhythm Holdings as of Q3 2025.

Based on R Squared's 13F filing for Q3 2025, filed 12 Nov 2025.