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Cinctive Capital Management’s iRhythm Holdings IRTC Stock Holding History

Cinctive 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
2022
Q3 		– Sell
-25,000
Closed -$2.7M – 533
2022
Q2 		$2.7M Buy
+25,000
New +$3.31M 0.11% 271
2021
Q4 		– Sell
-100,000
Closed -$5.86M – 594
2021
Q3 		$5.86M Buy
100,000
+60,000
+150% +$3.18M 0.29% 105
2021
Q2 		$2.65M Buy
+40,000
New +$3.17M 0.12% 235

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

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

Cinctive Capital Management increased its iRhythm Holdings (IRTC) stake by 60% in Q1 2026, buying an estimated $430K and bringing the position to 7,957 shares worth $939K. The position accounts for 0.06% of the portfolio, ranked #259.

Cinctive Capital Management first reported a position in IRTC in Q3 2021 and has held it in 12 quarters since. The position peaked at $8.39M in Q1 2023. 304 funds tracked by Wall St. Rank hold IRTC as of Q1 2026.

  • Cinctive Capital Management held 7,957 shares of iRhythm Holdings worth $939K as of Q1 2026.
  • Cinctive Capital Management bought 2,983 iRhythm Holdings shares in Q1 2026, an estimated $430K.
  • iRhythm Holdings made up 0.06% of Cinctive Capital Management's portfolio in Q1 2026, its #259 holding.
  • Cinctive Capital Management first reported a position in iRhythm Holdings in Q3 2021 and has held it in 12 quarters since.
  • Cinctive Capital Management's iRhythm Holdings position peaked at $8.39M in Q1 2023.
  • 304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q1 2026.

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