OSIS
OSI Systems Inc
200.40$
-0.7%
vs. previous close
Closing price · As of: Sep 17, 2026
Ownership
Ownership Structure
Who owns OSI Systems Inc (OSIS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 94.0% of the shares are freely tradable; institutional investors hold 124.6%.
Institutional ownership
?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
124.6%
Insiders
?Share of the stock held by the executives, founders and major shareholders of the company itself.
4.5%
Float
?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
94.0%
Short % of float
?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
16.0%
Shares Outstanding
?Total number of shares issued. Price times share count gives market cap.
16Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 15.87 | 2,529,623 | -1.3 | 03/31/2026 |
| FMR Inc | 12.34 | 1,967,088 | +18.7 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 7.84 | 1,249,748 | +0.0 | 03/31/2026 |
| HHG PLC | 4.84 | 772,314 | +2.6 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.39 | 699,253 | +0.0 | 03/31/2026 |
| State Street Corp | 4.15 | 662,141 | +0.6 | 03/31/2026 |
| Capital Research & Mgmt Co - Division 3 | 3.74 | 596,331 | -3.7 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 5.92 | 944,467 | +0.0 | 08/31/2026 |
| American Funds SMALLCAP World A | 3.64 | 580,137 | -6.4 | 06/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.13 | 498,356 | +0.4 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Edrick Alan I | EVP & CFO | 306,538 | 61,430,215 $ | Aug 24, 2026 | direct |
| Chopra Deepak | Director | 250,194 | 50,138,878 $ | Aug 24, 2026 | direct |
| Mehra Ajay | PRESIDENT AND CEO | 111,895 | 22,423,758 $ | Aug 24, 2026 | direct |
| Sze Victor S | GENERAL COUNSEL | 95,607 | 19,159,643 $ | Aug 24, 2026 | direct |
| Bernard Kelli | Director | 10,781 | 2,160,512 $ | Aug 20, 2026 | direct |
| Grindstaff Glenn | CHIEF HUMAN RESOURCES OFFICER | 10,193 | 2,042,677 $ | Aug 24, 2026 | direct |
| Morben Paul Keith | PRES., OPTOELECTRONICS DIV | 9,915 | 1,986,966 $ | Aug 24, 2026 | direct |
| Hawkins James B | Director | 5,295 | 1,061,118 $ | Aug 20, 2026 | direct |
| Tropeano Michael | PRESIDENT, RAPISCAN SYSTEMS | 5,003 | 1,002,601 $ | Aug 24, 2026 | direct |
| Okawa Cary M. | CHIEF ACCOUNTING OFFICER | 4,304 | 862,522 $ | Aug 24, 2026 | direct |
| Ballhaus William Francis JR | Director | 4,102 | 822,041 $ | Jul 20, 2026 | direct |
| Chizever Gerald M | Director | 2,696 | 540,278 $ | Aug 20, 2026 | direct |
| Constantine W Paul | PRES., SPACELABS HEALTHCARE | 2,049 | 410,620 $ | Jul 31, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 24, 2026 | Morben Paul Keith | PRES., OPTOELECTRONICS DIV | Other | 1,331 | 206.73 | 275,158 |
| Aug 24, 2026 | Morben Paul Keith | PRES., OPTOELECTRONICS DIV | Other | 1,083 | 206.73 | 223,889 |
| Aug 24, 2026 | Okawa Cary M. | CHIEF ACCOUNTING OFFICER | Other | 460 | 206.73 | 95,096 |
| Aug 24, 2026 | Okawa Cary M. | CHIEF ACCOUNTING OFFICER | Other | 908 | 206.73 | 187,711 |
| Aug 24, 2026 | Tropeano Michael | PRESIDENT, RAPISCAN SYSTEMS | Other | 99 | 206.73 | 20,466 |
| Aug 24, 2026 | Tropeano Michael | PRESIDENT, RAPISCAN SYSTEMS | Other | 287 | 206.73 | 59,332 |
| Aug 24, 2026 | Sze Victor S | GENERAL COUNSEL | Other | 14,999 | 206.73 | 3,100,743 |
| Aug 24, 2026 | Sze Victor S | GENERAL COUNSEL | Other | 16,845 | 206.73 | 3,482,367 |
| Aug 24, 2026 | Grindstaff Glenn | CHIEF HUMAN RESOURCES OFFICER | Other | 1,708 | 206.73 | 353,095 |
| Aug 24, 2026 | Grindstaff Glenn | CHIEF HUMAN RESOURCES OFFICER | Other | 1,969 | 206.73 | 407,051 |
| Aug 24, 2026 | Edrick Alan I | EVP & CFO | Other | 19,377 | 206.73 | 4,005,807 |
| Aug 24, 2026 | Edrick Alan I | EVP & CFO | Other | 21,871 | 206.73 | 4,521,392 |
| Aug 24, 2026 | Mehra Ajay | PRESIDENT AND CEO | Other | 19,986 | 206.73 | 4,131,706 |
| Aug 24, 2026 | Mehra Ajay | PRESIDENT AND CEO | Other | 20,073 | 206.73 | 4,149,691 |
| Aug 24, 2026 | Chopra Deepak | Director | Other | 23,540 | 206.73 | 4,866,424 |
| Aug 24, 2026 | Chopra Deepak | Director | Other | 20,403 | 206.73 | 4,217,912 |
| Aug 22, 2026 | Okawa Cary M. | CHIEF ACCOUNTING OFFICER | Other | 118 | 206.73 | 24,394 |
| Aug 20, 2026 | Bernard Kelli | Director | Other | 78 | 220.92 | 17,232 |
| Aug 20, 2026 | Chizever Gerald M | Director | Other | 88 | 220.92 | 19,441 |
| Aug 20, 2026 | Chopra Deepak | Director | Other | 153 | 220.92 | 33,801 |
| Aug 20, 2026 | Hawkins James B | Director | Other | 90 | 220.92 | 19,883 |
| Aug 14, 2026 | Bernard Kelli | Director | Other | 126 | 228.56 | 28,799 |
| Aug 14, 2026 | Chizever Gerald M | Director | Other | 141 | 228.56 | 32,227 |
| Aug 14, 2026 | Hawkins James B | Director | Other | 144 | 228.56 | 32,913 |
| Jul 31, 2026 | Grindstaff Glenn | CHIEF HUMAN RESOURCES OFFICER | Other | 610 | 221.39 | 135,048 |
| Jul 31, 2026 | Morben Paul Keith | PRES., OPTOELECTRONICS DIV | Other | 1,491 | 221.39 | 330,092 |
| Jul 31, 2026 | Okawa Cary M. | CHIEF ACCOUNTING OFFICER | Other | 632 | 221.39 | 139,918 |
| Jul 31, 2026 | Tropeano Michael | PRESIDENT, RAPISCAN SYSTEMS | Other | 1,694 | 221.39 | 375,035 |
| Jul 31, 2026 | Constantine W Paul | PRES., SPACELABS HEALTHCARE | Other | 610 | 221.39 | 135,048 |
| Jul 31, 2026 | Sze Victor S | GENERAL COUNSEL | Other | 6,437 | 221.39 | 1,425,087 |
| Jul 31, 2026 | Edrick Alan I | EVP & CFO | Other | 8,514 | 221.39 | 1,884,914 |
| Jul 31, 2026 | Mehra Ajay | PRESIDENT AND CEO | Other | 13,551 | 221.39 | 3,000,056 |
| Jul 28, 2026 | Bernard Kelli | Director | Other | 149 | 217.30 | 32,378 |
| Jul 28, 2026 | Chizever Gerald M | Director | Other | 166 | 217.30 | 36,072 |
| Jul 28, 2026 | Hawkins James B | Director | Other | 170 | 217.30 | 36,941 |
| Jul 20, 2026 | Bernard Kelli | Director | Other | 924 | 216.65 | 200,185 |
| Jul 20, 2026 | Ballhaus William Francis JR | Director | Other | 924 | 216.65 | 200,185 |
| Jul 20, 2026 | Chizever Gerald M | Director | Other | 924 | 216.65 | 200,185 |
| Jul 20, 2026 | Chopra Deepak | Director | Other | 924 | 216.65 | 200,185 |
| Jul 20, 2026 | Hawkins James B | Director | Other | 924 | 216.65 | 200,185 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.