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Quantinno Capital Management’s iRhythm Holdings IRTC Stock Holding History

Quantinno Capital Management’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 		$2.2M Buy
18,621
+17,158
+1,173% +$2.48M ﹤0.01% 1559
2025
Q4 		$260K Buy
1,463
+165
+13% +$29.2K ﹤0.01% 2916
2025
Q3 		$223K Buy
+1,298
New +$206K ﹤0.01% 2694

Other funds holding IRTC

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Holocene Advisors
Holocene Advisors New York $41.5B AUM 42.97% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Quantinno Capital Management's IRTC Position: Q1 2026 in Review

Quantinno Capital Management increased its iRhythm Holdings (IRTC) stake by 1,173% in Q1 2026, buying an estimated $2.48M and bringing the position to 18,621 shares worth $2.2M. The position accounts for ﹤0.01% of the portfolio, ranked #1559.

Quantinno Capital Management first reported a position in IRTC in Q3 2025 and has held it in 3 quarters since. 304 funds tracked by Wall St. Rank hold IRTC as of Q1 2026.

  • Quantinno Capital Management held 18,621 shares of iRhythm Holdings worth $2.2M as of Q1 2026.
  • Quantinno Capital Management bought 17,158 iRhythm Holdings shares in Q1 2026, an estimated $2.48M.
  • iRhythm Holdings made up ﹤0.01% of Quantinno Capital Management's portfolio in Q1 2026, its #1559 holding.
  • Quantinno Capital Management first reported a position in iRhythm Holdings in Q3 2025 and has held it in 3 quarters since.
  • 304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q1 2026.

Based on Quantinno Capital Management's 13F filing for Q1 2026, filed 15 May 2026.