iRhythm Technologies Ownership

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

Recent Insider Transactions

DB:I25 Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
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
02 Aug 24	Sell€205,919	Chad Patterson	Individual	3,012	€68.37
02 Aug 24	Sell€47,036	Mervin Smith	Individual	688	€68.37
02 Jul 24	Sell€138,157	Minang Turakhia	Individual	1,404	€98.40
03 Jun 24	Sell€41,653	Marc Rosenbaum	Individual	510	€81.67
03 Jun 24	Sell€92,372	Sumi Shrishrimal	Individual	1,131	€81.67
31 May 24	Buy€19,359	Chad Patterson	Individual	280	€69.14

Insider Trading Volume

Insider Buying: I25 insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of I25?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	407,923	1.15%
Institutions	35,068,873	98.9%

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

Top Shareholders

Top 25 shareholders own 84.33% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
10.1%	Sands Capital Management, LLC	3,176,702	€298.5m	49.6%	0.87%
9.99%	The Vanguard Group, Inc.	3,136,370	€294.7m	0.59%	no data
8.8%	Artisan Partners Limited Partnership	2,762,734	€259.6m	-0.63%	0.22%
8.69%	BlackRock, Inc.	2,728,856	€256.4m	6.61%	no data
5.21%	Capital Research and Management Company	1,637,026	€153.8m	-16.3%	0.01%
4.4%	Mackenzie Financial Corporation	1,381,942	€129.9m	-2.67%	0.14%
3.02%	State Street Global Advisors, Inc.	948,781	€89.2m	4.39%	no data
2.87%	BNPP Asset Management Holding	900,116	€84.6m	27.3%	0.15%
2.44%	Westfield Capital Management Company, L.P.	765,253	€71.9m	44.9%	0.36%
2.35%	Eventide Asset Management, LLC	739,410	€69.5m	0.36%	1.42%
2.33%	Geode Capital Management, LLC	731,467	€68.7m	-0.25%	0.01%
2.31%	Champlain Investment Partners, LLC	726,262	€68.2m	8.87%	0.48%
2.25%	Braidwell LP	705,391	€66.3m	-9.86%	3.5%
2.13%	JP Morgan Asset Management	668,047	€62.8m	-26.6%	0.01%
1.93%	William Blair Investment Management, LLC	604,737	€56.8m	-6.16%	0.08%
1.81%	Allspring Global Investments, LLC	570,048	€53.6m	9.63%	0.09%
1.81%	Bessemer Investment Management LLC	568,007	€53.4m	112%	0.08%
1.63%	Slate Path Capital LP	510,500	€48.0m	0%	0.96%
1.61%	UBS Asset Management AG	505,418	€47.5m	24.7%	no data
1.6%	Stephens Investment Management Group, LLC	502,925	€47.3m	25.6%	0.73%
1.55%	BNY Asset Management	485,794	€45.6m	22.4%	0.01%
1.51%	FMR LLC	475,310	€44.7m	22.5%	no data
1.37%	First Light Asset Management, LLC	430,500	€40.5m	0%	4.86%
1.36%	Ophir Asset Management Pty Ltd	427,402	€40.2m	0%	6.27%
1.27%	Rock Springs Capital Management LP	397,500	€37.4m	0%	1.61%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/03/10 23:53
End of Day Share Price	2025/03/10 00:00
Earnings	2024/12/31
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 21 analysts. 12 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