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John Overdeck’s iRhythm Holdings IRTC Stock Holding History

John Overdeck’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
2021
Q4 		– Sell
-5,900
Closed -$346K – 4558
2021
Q3 		$346K Buy
+5,900
New +$313K ﹤0.01% 3552
2019
Q4 		– Sell
-5,400
Closed -$400K – 3808
2019
Q3 		$400K Sell
5,400
-2,600
-33% -$201K ﹤0.01% 2730
2019
Q2 		$633K Buy
+8,000
New +$583K ﹤0.01% 2315

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

John Overdeck's IRTC Position: Q2 2026 in Review

John Overdeck sold out of iRhythm Holdings (IRTC) in Q2 2026, closing a stake of 52,600 shares — an estimated $6.21M sold.

John Overdeck first reported a position in IRTC in Q3 2017 and held it in 14 quarters. The position peaked at $32.1M in Q2 2021. 301 funds tracked by Wall St. Rank hold IRTC as of Q2 2026.

  • John Overdeck reported no remaining iRhythm Holdings position as of Q2 2026 after selling out during the quarter.
  • John Overdeck sold 52,600 iRhythm Holdings shares in Q2 2026, an estimated $6.21M.
  • John Overdeck first reported a position in iRhythm Holdings in Q3 2017 and held it in 14 quarters.
  • John Overdeck's iRhythm Holdings position peaked at $32.1M in Q2 2021.
  • 301 funds tracked by Wall St. Rank held iRhythm Holdings as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.