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
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
04 Mar 24	Sell€73,982	Sumi Shrishrimal	Individual	723	€102.33
04 Mar 24	Sell€250,905	Daniel Wilson	Individual	2,452	€102.33
04 Mar 24	Sell€332,357	Mark Day	Individual	3,248	€102.33
04 Mar 24	Sell€156,048	Patrick Murphy	Individual	1,525	€102.33
04 Mar 24	Sell€143,360	Brice Bobzien	Individual	1,401	€102.33
04 Mar 24	Sell€110,206	Chad Patterson	Individual	1,077	€102.33
04 Mar 24	Sell€96,494	Minang Turakhia	Individual	943	€102.33
04 Mar 24	Sell€431,921	Quentin Blackford	Individual	4,221	€102.33
29 Feb 24	Sell€2,786,895	Quentin Blackford	Individual	24,701	€112.83
29 Feb 24	Sell€142,273	Daniel Wilson	Individual	1,261	€112.83
29 Feb 24	Sell€166,417	Mark Day	Individual	1,475	€112.83

Insider Trading Volume

Insider Buying: I25 insiders have sold more shares than they have bought in the past 3 months.

Ownership Breakdown

What is the ownership structure of I25?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	315,438	0.867%
Institutions	36,054,476	99.1%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 2.1%.

Top Shareholders

Top 25 shareholders own 84.94% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
10%	Sands Capital Management, LLC	3,143,050	€276.2m	48.1%	0.68%
9.96%	The Vanguard Group, Inc.	3,117,928	€273.9m	4.57%	no data
8.88%	Artisan Partners Limited Partnership	2,780,259	€244.3m	3.54%	0.19%
8.18%	BlackRock, Inc.	2,559,645	€224.9m	2.29%	no data
6.25%	Capital Research and Management Company	1,955,000	€171.8m	-21.6%	0.01%
4.54%	Mackenzie Financial Corporation	1,419,834	€124.7m	-0.59%	0.13%
3.87%	AllianceBernstein L.P.	1,212,471	€106.5m	-4.37%	0.03%
2.91%	JP Morgan Asset Management	910,467	€80.0m	-0.71%	0.01%
2.9%	State Street Global Advisors, Inc.	908,843	€79.9m	1.34%	no data
2.5%	Braidwell LP	782,557	€68.8m	48.7%	3.11%
2.35%	Eventide Asset Management, LLC	736,721	€64.7m	171%	1.13%
2.34%	Geode Capital Management, LLC	733,308	€64.4m	0.75%	no data
2.26%	BNPP Asset Management Holding	707,175	€62.1m	38.1%	0.1%
2.13%	Champlain Investment Partners, LLC	667,101	€58.6m	-9.76%	0.34%
2.06%	William Blair Investment Management, LLC	644,441	€56.6m	-19.4%	0.07%
1.69%	Westfield Capital Management Company, L.P.	528,291	€46.4m	-13.3%	0.2%
1.66%	Allspring Global Investments, LLC	519,973	€45.7m	9.33%	0.06%
1.63%	Slate Path Capital LP	510,500	€44.9m	0%	0.71%
1.29%	UBS Asset Management AG	405,165	€35.6m	-1.34%	no data
1.28%	Stephens Investment Management Group, LLC	400,325	€35.2m	-4.82%	0.47%
1.27%	Rock Springs Capital Management LP	397,500	€34.9m	0%	1.2%
1.27%	BNY Asset Management	396,860	€34.9m	-0.15%	0.01%
1.24%	FMR LLC	387,923	€34.1m	7%	no data
1.22%	Fiera Capital Corporation	381,644	€33.5m	-2.94%	0.08%
1.21%	Alyeska Investment Group, L.P.	378,616	€33.3m	21.8%	0.16%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/01/02 05:48
End of Day Share Price	2025/01/02 00:00
Earnings	2024/09/30
Annual Earnings	2023/12/31

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 here.

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 .

Analyst Sources

iRhythm Technologies, Inc. is covered by 21 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