iRhythm Technologies Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

BIT:1IRTC Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
02 Jul 25	Sell€175,345	Minang Turakhia	Individual	1,420	€123.48
02 Jun 25	Sell€197,140	Sumi Shrishrimal	Individual	1,608	€122.60
02 Jun 25	Sell€85,329	Marc Rosenbaum	Individual	696	€122.60
03 Mar 25	Sell€242,587	Daniel Wilson	Individual	2,341	€103.63
03 Mar 25	Sell€178,857	Sumi Shrishrimal	Individual	1,726	€103.63
03 Mar 25	Sell€318,647	Patrick Murphy	Individual	3,075	€103.63
03 Mar 25	Sell€255,643	Minang Turakhia	Individual	2,467	€103.63
03 Mar 25	Sell€285,591	Chad Patterson	Individual	2,756	€103.63
03 Mar 25	Sell€66,113	Mervin Smith	Individual	638	€103.63
03 Mar 25	Sell€32,538	Marc Rosenbaum	Individual	314	€103.63
03 Mar 25	Sell€844,027	Quentin Blackford	Individual	8,145	€103.63
26 Feb 25	Sell€268,038	Daniel Wilson	Individual	2,512	€106.70
26 Feb 25	Sell€2,374,353	Quentin Blackford	Individual	22,252	€106.70
26 Feb 25	Sell€1,704,355	Patrick Murphy	Individual	16,330	€106.70
26 Feb 25	Sell€748,414	Minang Turakhia	Individual	7,014	€106.70
26 Feb 25	Sell€847,434	Sumi Shrishrimal	Individual	7,942	€106.70
26 Feb 25	Sell€1,411,573	Chad Patterson	Individual	13,229	€106.70
02 Dec 24	Sell€203,957	Patrick Murphy	Individual	2,492	€81.84
04 Nov 24	Buy€460,046	Abhijit Talwalkar	Individual	6,664	€69.03
04 Nov 24	Sell€1,147,927	Quentin Blackford	Individual	16,145	€71.10
09 Aug 24	Sell€88,332	Brice Bobzien	Individual	1,372	€64.38

Insider Trading Volume

Insider Buying: 1IRTC insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of 1IRTC?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	385,886	1.05%
Institutions	36,277,002	98.9%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 84.13% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
9.74%	The Vanguard Group, Inc.	3,108,194	€445.6m	-0.9%	0.01%
9.45%	Sands Capital Management, LLC	3,016,207	€432.4m	-5.05%	0.99%
8.82%	Artisan Partners Limited Partnership	2,814,280	€403.5m	1.87%	0.28%
8.47%	BlackRock, Inc.	2,703,323	€387.6m	-0.94%	0.01%
6.9%	Capital Research and Management Company	2,202,622	€315.8m	34.6%	0.01%
3.62%	Mackenzie Financial Corporation	1,155,954	€165.7m	-16.4%	0.16%
3.4%	UBS Asset Management AG	1,086,190	€155.7m	115%	0.01%
2.87%	State Street Global Advisors, Inc.	917,688	€131.6m	-3.28%	no data
2.76%	BNPP Asset Management Holding	879,816	€126.1m	-2.26%	0.18%
2.58%	Champlain Investment Partners, LLC	822,791	€118.0m	13.3%	0.76%
2.35%	Geode Capital Management, LLC	750,369	€107.6m	2.58%	0.01%
2.32%	Eventide Asset Management, LLC	740,062	€106.1m	0.09%	1.76%
2.32%	William Blair Investment Management, LLC	739,331	€106.0m	-6.41%	0.13%
1.93%	Westfield Capital Management Company, L.P.	617,078	€88.5m	-19.4%	0.34%
1.8%	Bessemer Investment Management LLC	574,053	€82.3m	1.06%	0.11%
1.74%	Braidwell LP	556,391	€79.8m	-21.1%	3.76%
1.73%	Stephens Investment Management Group, LLC	552,916	€79.3m	6.21%	0.99%
1.68%	Point72 Asset Management, L.P.	536,149	€76.9m	0%	0.14%
1.65%	JP Morgan Asset Management	527,728	€75.7m	-21%	0.01%
1.62%	Fuller & Thaler Asset Management, Inc.	518,240	€74.3m	0%	0.26%
1.45%	FMR LLC	463,065	€66.4m	-2.58%	no data
1.36%	Allspring Global Investments, LLC	434,343	€62.3m	-16.3%	0.09%
1.25%	Millennium Management LLC	399,746	€57.3m	564%	0.04%
1.18%	Ophir Asset Management Pty Ltd	377,682	€54.1m	-11.6%	5.98%
1.14%	Slate Path Capital LP	365,400	€52.4m	-28.4%	0.74%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/08/03 11:41
End of Day Share Price	2025/08/01 00:00
Earnings	2025/06/30
Annual Earnings	2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

iRhythm Technologies, Inc. is covered by 24 analysts. 13 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Michael Polark	Baird
David Rescott	Baird
Joanne Wuensch	BMO Capital Markets Equity Research