C WorldWide Group’s iRhythm Holdings IRTC Stock Holding History

C WorldWide Group’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	$9.52M	Hold	80,000	–	–	0.23%	56
2026 Q1	$9.44M	Hold	80,000	–	–	0.2%	58
2025 Q4	$14.2M	Hold	80,000	–	–	0.25%	47
2025 Q3	$13.8M	Hold	80,000	–	–	0.21%	51
2025 Q2	$12.3M	Hold	80,000	–	–	0.17%	54
2025 Q1	$8.37M	Hold	80,000	–	–	0.1%	65
2024 Q4	$7.21M	Hold	80,000	–	–	0.09%	67
2024 Q3	$5.94M	Hold	80,000	–	–	0.06%	69
2024 Q2	$8.61M	Hold	80,000	–	–	0.09%	68
2024 Q1	$9.28M	Hold	80,000	–	–	0.11%	64
2023 Q4	$8.56M	Hold	80,000	–	–	0.11%	61
2023 Q3	$7.54M	Hold	80,000	–	–	0.1%	61
2023 Q2	$8.35M	Hold	80,000	–	–	0.11%	62
2023 Q1	$9.92M	Hold	80,000	–	–	0.14%	58
2022 Q4	$7.49M	Hold	80,000	–	–	0.1%	48
2022 Q3	$10M	Hold	80,000	–	–	0.14%	44
2022 Q2	$8.64M	Hold	80,000	–	–	0.11%	49
2022 Q1	$12.6M	Hold	80,000	–	–	0.14%	40
2021 Q4	$9.41M	Hold	80,000	–	–	0.09%	50
2021 Q3	$4.68M	Hold	80,000	–	–	0.05%	67
2021 Q2	$5.31M	Hold	80,000	–	–	0.05%	63
2021 Q1	$11.1M	Hold	80,000	–	–	0.11%	54
2020 Q4	$19M	Buy	+80,000	New	+$18.2M	0.19%	43

Other funds holding IRTC

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

UBS AM Chicago, Illinois $550B AUM 43.33% 1-Year Est. Return

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

C WorldWide Group's IRTC Position: Q2 2026 in Review

C WorldWide Group held its iRhythm Holdings (IRTC) position steady in Q2 2026 at 80,000 shares worth $9.52M. The position accounts for 0.23% of the portfolio, ranked #56.

C WorldWide Group first reported a position in IRTC in Q4 2020 and has held it in 23 quarters since. The position peaked at $19M in Q4 2020. 304 funds tracked by Wall St. Rank hold IRTC as of Q2 2026.

C WorldWide Group held 80,000 shares of iRhythm Holdings worth $9.52M as of Q2 2026.
C WorldWide Group left its iRhythm Holdings share count unchanged in Q2 2026.
iRhythm Holdings made up 0.23% of C WorldWide Group's portfolio in Q2 2026, its #56 holding.
C WorldWide Group first reported a position in iRhythm Holdings in Q4 2020 and has held it in 23 quarters since.
C WorldWide Group's iRhythm Holdings position peaked at $19M in Q4 2020.
304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q2 2026.

Based on C WorldWide Group's 13F filing for Q2 2026, filed 4 Aug 2026.