I
IRTC icon

InceptionR’s iRhythm Holdings IRTC Stock Holding History

InceptionR’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 		$231K Sell
1,940
-3,480
-64% -$405K 0.06% 542
2026
Q1 		$640K Buy
5,420
+1,993
+58% +$288K 0.15% 232
2025
Q4 		$608K Buy
3,427
+1,416
+70% +$251K 0.17% 223
2025
Q3 		$346K Buy
+2,011
New +$320K 0.08% 426
2023
Q4 		– Sell
-2,279
Closed -$215K – 445
2023
Q3 		$215K Buy
+2,279
New +$232K 0.12% 337

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

InceptionR's IRTC Position: Q2 2026 in Review

InceptionR reduced its iRhythm Holdings (IRTC) stake by 64% in Q2 2026, selling an estimated $405K and leaving 1,940 shares worth $231K. The position accounts for 0.06% of the portfolio, ranked #542.

InceptionR first reported a position in IRTC in Q3 2023 and has held it in 5 quarters since. The position peaked at $640K in Q1 2026. 304 funds tracked by Wall St. Rank hold IRTC as of Q2 2026.

  • InceptionR held 1,940 shares of iRhythm Holdings worth $231K as of Q2 2026.
  • InceptionR sold 3,480 iRhythm Holdings shares in Q2 2026, an estimated $405K.
  • iRhythm Holdings made up 0.06% of InceptionR's portfolio in Q2 2026, its #542 holding.
  • InceptionR first reported a position in iRhythm Holdings in Q3 2023 and has held it in 5 quarters since.
  • InceptionR's iRhythm Holdings position peaked at $640K in Q1 2026.
  • 304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q2 2026.

Based on InceptionR's 13F filing for Q2 2026, filed 11 Aug 2026.