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Y-Intercept (HK)’s iRhythm Holdings IRTC Stock Holding History

Y-Intercept (HK)’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
-3,495
Closed -$620K – 1796
2025
Q4 		$620K Sell
3,495
-4,881
-58% -$865K 0.01% 1167
2025
Q3 		$1.44M Sell
8,376
-22,037
-72% -$3.5M 0.03% 794
2025
Q2 		$4.68M Buy
+30,413
New +$3.93M 0.11% 246
2024
Q1 		– Sell
-4,083
Closed -$437K – 1561
2023
Q4 		$437K Buy
+4,083
New +$356K 0.04% 661
2023
Q2 		– Sell
-5,261
Closed -$653K – 1489
2023
Q1 		$653K Buy
+5,261
New +$571K 0.08% 408

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

Y-Intercept (HK)'s IRTC Position: Q1 2026 in Review

Y-Intercept (HK) sold out of iRhythm Holdings (IRTC) in Q1 2026, closing a stake of 3,495 shares — an estimated $620K sold.

Y-Intercept (HK) first reported a position in IRTC in Q1 2023 and held it in 5 quarters. The position peaked at $4.68M in Q2 2025. 305 funds tracked by Wall St. Rank hold IRTC as of Q1 2026.

  • Y-Intercept (HK) reported no remaining iRhythm Holdings position as of Q1 2026 after selling out during the quarter.
  • Y-Intercept (HK) sold 3,495 iRhythm Holdings shares in Q1 2026, an estimated $620K.
  • Y-Intercept (HK) first reported a position in iRhythm Holdings in Q1 2023 and held it in 5 quarters.
  • Y-Intercept (HK)'s iRhythm Holdings position peaked at $4.68M in Q2 2025.
  • 305 funds tracked by Wall St. Rank held iRhythm Holdings as of Q1 2026.

Based on Y-Intercept (HK)'s 13F filing for Q1 2026, filed 27 Apr 2026.