OSI Systems Ownership

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

Recent Insider Transactions

DB:OS2 Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
12 Sep 25	Sell€114,057	William Ballhaus	Individual	562	€202.95
04 Sep 25	Sell€339,882	Paul Morben	Individual	1,671	€203.40
12 Jun 25	Sell€204,898	Meyer Luskin	Individual	1,000	€204.90
21 May 25	Sell€151,387	William Ballhaus	Individual	750	€201.85
13 May 25	Sell€4,099,100	Alan Edrick	Individual	20,000	€204.96
08 May 25	Sell€137,225	Glenn Grindstaff	Individual	688	€199.45
06 May 25	Sell€180,686	William Ballhaus	Individual	933	€193.66
06 May 25	Sell€969,805	Deepak Chopra	Individual	5,000	€193.96
04 Feb 25	Sell€3,821,660	Deepak Chopra	Individual	20,000	€191.08
30 Jan 25	Sell€29,643	Paul Morben	Individual	155	€191.25
27 Jan 25	Sell€503,654	Gerald Chizever	Individual	2,701	€186.47
13 Dec 24	Sell€430,306	Aliabadi Mansouri	Individual	2,509	€171.51
13 Dec 24	Sell€1,792,018	Alan Edrick	Individual	10,000	€179.51
12 Dec 24	Sell€3,578,301	Deepak Chopra	Individual	20,000	€178.92
10 Dec 24	Sell€116,691	William Ballhaus	Individual	675	€172.88
10 Dec 24	Sell€347,635	James Hawkins	Individual	2,000	€173.82
04 Dec 24	Sell€296,004	Aliabadi Mansouri	Individual	1,728	€171.30
11 Nov 24	Sell€2,160,644	Deepak Chopra	Individual	15,000	€144.09
07 Nov 24	Sell€274,718	Gerald Chizever	Individual	2,000	€137.36

Insider Trading Volume

Insider Buying: OS2 insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of OS2?
Owner Type	Number of Shares	Ownership Percentage
State or Government	3,867	0.0194%
Individual Insiders	992,292	4.98%
Institutions	18,940,459	95%

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

Top Shareholders

Top 25 shareholders own 84.38% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
14.9%	BlackRock, Inc.	2,504,668	€520.8m	-2.14%	0.01%
12.6%	The Vanguard Group, Inc.	2,112,338	€439.2m	-0.03%	0.01%
7.07%	FMR LLC	1,189,328	€247.3m	-3.7%	0.01%
6.26%	Janus Henderson Group plc	1,052,726	€218.9m	-14.8%	0.09%
4.57%	UBS Asset Management AG	768,870	€159.9m	-31.7%	0.01%
4.01%	Capital Research and Management Company	674,343	€140.2m	0%	0.01%
3.96%	State Street Global Advisors, Inc.	666,308	€138.5m	-8.3%	0.01%
3.05%	Mawer Investment Management Ltd.	512,656	€106.6m	11.2%	0.31%
2.67%	Dimensional Fund Advisors LP	449,410	€93.4m	-23.9%	0.02%
2.27%	Geode Capital Management, LLC	381,128	€79.2m	0.64%	0.01%
2.24%	Hood River Capital Management LLC	377,061	€78.4m	1.05%	1.02%
1.91%	PRIMECAP Management Company	321,420	€66.8m	-3.86%	0.05%
1.86%	Deepak Chopra	312,969	€65.1m	-5.36%	no data
1.83%	Neuberger Berman Investment Advisers LLC	307,966	€64.0m	-6.68%	0.05%
1.76%	Alan Edrick	296,880	€61.7m	4.16%	no data
1.56%	Systematic Financial Management LP	262,654	€54.6m	-0.51%	1.48%
1.52%	ClearBridge Investments, LLC	255,418	€53.1m	-14.9%	0.05%
1.49%	Clark Capital Management Group Inc	251,050	€52.2m	-32%	0.4%
1.33%	Millennium Management LLC	224,523	€46.7m	0%	0.04%
1.33%	Van Eck Associates Corporation	223,442	€46.5m	-1.13%	0.04%
1.29%	Macquarie Investment Management Business Trust	217,245	€45.2m	-6.2%	0.07%
1.29%	Brown Advisory Incorporated	216,522	€45.0m	-22.3%	0.07%
1.27%	Charles Schwab Investment Management, Inc.	214,263	€44.6m	0%	0.01%
1.22%	Invesco Capital Management LLC	204,782	€42.6m	-12.4%	0.02%
1.18%	T. Rowe Price Group, Inc.	199,258	€41.4m	-7.83%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/10/12 16:59
End of Day Share Price	2025/10/10 00:00
Earnings	2025/06/30
Annual Earnings	2025/06/30

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

OSI Systems, Inc. is covered by 13 analysts. 6 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
Yi Hsiao Millward	Benchmark Company
David Mizrahi	Berenberg
Mariana Perez Mora	BofA Global Research