Barclays’s iRhythm Holdings IRTC Stock Holding History

Barclays’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
2023 Q2	–	Sell	-32,700	Closed	-$4.06M	–	4787
2023 Q1	$4.06M	Buy	+32,700	New	+$3.55M	﹤0.01%	1693

Other funds holding IRTC

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

RTW Investments New York $10B AUM 135.35% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Holocene Advisors New York $41.5B AUM 42.97% 1-Year Est. Return

UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Barclays's IRTC Position: Q1 2026 in Review

Barclays reduced its iRhythm Holdings (IRTC) stake by 2.9% in Q1 2026, selling an estimated $812K and leaving 188,345 shares worth $22.2M. The position accounts for 0.01% of the portfolio, ranked #1048.

Barclays first reported a position in IRTC in Q1 2017 and has held it in 35 quarters since. The position peaked at $34.4M in Q4 2025. 304 funds tracked by Wall St. Rank hold IRTC as of Q1 2026.

Barclays held 188,345 shares of iRhythm Holdings worth $22.2M as of Q1 2026.
Barclays sold 5,630 iRhythm Holdings shares in Q1 2026, an estimated $812K.
iRhythm Holdings made up 0.01% of Barclays's portfolio in Q1 2026, its #1048 holding.
Barclays first reported a position in iRhythm Holdings in Q1 2017 and has held it in 35 quarters since.
Barclays's iRhythm Holdings position peaked at $34.4M in Q4 2025.
304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q1 2026.

Based on Barclays's 13F filing for Q1 2026, filed 15 May 2026.