OSI Systems Ownership

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

Recent Insider Transactions

NasdaqGS:OSIS Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
07 Nov 25	SellUS$116,106	Paul Morben	Individual	416	US$279.10
07 Nov 25	SellUS$424,725	James Hawkins	Individual	1,500	US$283.15
12 Sep 25	SellUS$133,666	William Ballhaus	Individual	562	US$237.84
04 Sep 25	SellUS$395,626	Paul Morben	Individual	1,671	US$236.76
12 Jun 25	SellUS$237,150	Meyer Luskin	Individual	1,000	US$237.15
21 May 25	SellUS$171,660	William Ballhaus	Individual	750	US$228.88
13 May 25	SellUS$4,580,000	Alan Edrick	Individual	20,000	US$229.00
08 May 25	SellUS$154,724	Glenn Grindstaff	Individual	688	US$224.89
06 May 25	SellUS$205,045	William Ballhaus	Individual	933	US$219.77
06 May 25	SellUS$1,100,550	Deepak Chopra	Individual	5,000	US$220.11

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of OSIS?
Owner Type	Number of Shares	Ownership Percentage
State or Government	4,482	0.022%
Individual Insiders	931,788	4.58%
Institutions	19,395,706	95.4%

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

Top Shareholders

Top 25 shareholders own 90.28% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
15.6%	BlackRock, Inc.	2,561,859	US$688.1m	2.3%	0.01%
12.8%	The Vanguard Group, Inc.	2,106,595	US$565.9m	-0.05%	0.01%
10.3%	FMR LLC	1,702,438	US$457.3m	56.4%	0.02%
6.07%	Janus Henderson Group plc	1,000,291	US$268.7m	-4.98%	0.09%
4.94%	UBS Asset Management AG	814,488	US$218.8m	-6.04%	0.02%
4.88%	Mawer Investment Management Ltd.	803,602	US$215.9m	-6.16%	0.59%
4.09%	Capital Research and Management Company	674,343	US$181.1m	0%	0.01%
4.04%	State Street Global Advisors, Inc.	665,892	US$178.9m	-0.06%	0.01%
2.49%	Geode Capital Management, LLC	410,963	US$110.4m	4.23%	0.01%
2.47%	Dimensional Fund Advisors LP	406,892	US$109.3m	-3%	0.01%
2.25%	Hood River Capital Management LLC	371,228	US$99.7m	-1.55%	0.99%
1.83%	Neuberger Berman Investment Advisers LLC	300,792	US$80.8m	-1.05%	0.06%
1.79%	Alan Edrick	295,455	US$79.4m	-0.48%	no data
1.66%	Deepak Chopra	273,044	US$73.3m	-18%	no data
1.63%	PRIMECAP Management Company	267,710	US$71.9m	-12.7%	0.05%
1.58%	Clark Capital Management Group Inc	259,451	US$69.7m	3.35%	0.41%
1.49%	T. Rowe Price Group, Inc.	244,918	US$65.8m	22.9%	0.01%
1.46%	Invesco Capital Management LLC	240,167	US$64.5m	17.3%	0.02%
1.42%	Systematic Financial Management LP	233,252	US$62.7m	-9.11%	1.23%
1.38%	Van Eck Associates Corporation	227,095	US$61.0m	10.5%	0.03%
1.28%	Brown Advisory Incorporated	210,060	US$56.4m	-2.98%	0.07%
1.26%	Loomis Sayles & Company, L.P.	207,446	US$55.7m	-4.49%	0.07%
1.23%	Charles Schwab Investment Management, Inc.	202,033	US$54.3m	-3.79%	0.01%
1.19%	William Blair Investment Management, LLC	196,181	US$52.7m	3,940%	0.07%
1.19%	Neumeier Poma Investment Counsel LLC	195,795	US$52.6m	0.63%	3.97%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/02/15 03:57
End of Day Share Price	2026/02/13 00:00
Earnings	2025/12/31
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 12 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