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RiverPark Advisors’s iRhythm Holdings IRTC Stock Holding History

RiverPark Advisors’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 		$159K Buy
1,335
+148
+12% +$17.2K 0.07% 100
2026
Q1 		$140K Sell
1,187
-16
-1% -$2.31K 0.05% 102
2025
Q4 		$213K Sell
1,203
-26
-2% -$4.61K 0.06% 90
2025
Q3 		$211K Sell
1,229
-687
-36% -$109K 0.09% 73
2025
Q2 		$295K Sell
1,916
-124
-6% -$16K 0.18% 61
2025
Q1 		$214K Buy
+2,040
New +$216K 0.17% 79

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

RiverPark Advisors's IRTC Position: Q2 2026 in Review

RiverPark Advisors increased its iRhythm Holdings (IRTC) stake by 12% in Q2 2026, buying an estimated $17.2K and bringing the position to 1,335 shares worth $159K. The position accounts for 0.07% of the portfolio, ranked #100.

RiverPark Advisors first reported a position in IRTC in Q1 2025 and has held it in 6 quarters since. The position peaked at $295K in Q2 2025. 304 funds tracked by Wall St. Rank hold IRTC as of Q2 2026.

  • RiverPark Advisors held 1,335 shares of iRhythm Holdings worth $159K as of Q2 2026.
  • RiverPark Advisors bought 148 iRhythm Holdings shares in Q2 2026, an estimated $17.2K.
  • iRhythm Holdings made up 0.07% of RiverPark Advisors's portfolio in Q2 2026, its #100 holding.
  • RiverPark Advisors first reported a position in iRhythm Holdings in Q1 2025 and has held it in 6 quarters since.
  • RiverPark Advisors's iRhythm Holdings position peaked at $295K in Q2 2025.
  • 304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q2 2026.

Based on RiverPark Advisors's 13F filing for Q2 2026, filed 24 Jul 2026.