OSI SYSTEMS INC
Total Trades
64
Buys
0
Sells
64
Largest Trade
$1M+
Insiders
13
Institutional Funds
295
Inst. Value
$1M+
Activist Filings
19
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Morben Paul Keith | PRES. | SELL | $50K–$100K | 967 | $83.44 | Nov 4, 2022 |
| CHOPRA DEEPAK | PRESIDENT AND CEO | SELL | $100K–$500K | 5K | $82.14 | Nov 4, 2022 |
| SZE VICTOR S | GENERAL COUNSEL | SELL | $500K+ | 10K | $75.34 | Oct 6, 2022 |
| Morben Paul Keith | PRES. | SELL | $50K–$100K | 1K | $78.59 | Sep 9, 2022 |
| CHOPRA DEEPAK | PRESIDENT AND CEO | SELL | $1M+ | 20K | $77.78 | Sep 9, 2022 |
| CHOPRA DEEPAK | PRESIDENT AND CEO | SELL | $1M+ | 12K | $85.08 | Sep 1, 2022 |
| Maginnis Malcolm Peter | PRES. | SELL | $100K–$500K | 2K | $87.81 | Aug 29, 2022 |
| Grindstaff Glenn | CHIEF HUMAN RESOUR… | SELL | $1K–$15K | 47 | $83.18 | May 31, 2022 |
| SZE VICTOR S | GENERAL COUNSEL | SELL | $500K+ | 10K | $80.78 | May 17, 2022 |
| SZE VICTOR S | GENERAL COUNSEL | SELL | $15K–$50K | 580 | $80.03 | May 13, 2022 |
| SZE VICTOR S | GENERAL COUNSEL | SELL | $100K–$500K | 5K | $80.17 | May 11, 2022 |
| CHOPRA DEEPAK | PRESIDENT AND CEO | SELL | $100K–$500K | 5K | $80.66 | May 6, 2022 |
| SZE VICTOR S | GENERAL COUNSEL | SELL | $1M+ | 15K | $80.17 | Feb 9, 2022 |
| CHOPRA DEEPAK | PRESIDENT AND CEO | SELL | $100K–$500K | 5K | $82.26 | Feb 3, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 295 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Mawer Investment Management Ltd. | 804K | $1M+ | SH |
| Capital International Investors | 674K | $1M+ | SH |
| STATE STREET CORP | 658K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 386K | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 360K | $1M+ | SH |
| Neuberger Berman Group LLC | 290K | $1M+ | SH |
| PRIMECAP MANAGEMENT CO/CA/ | 268K | $1M+ | SH |
| VAN ECK ASSOCIATES CORP | 227K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 202K | $1M+ | SH |
| NEUMEIER POMA INVESTMENT COUNSEL LLC | 196K | $1M+ | SH |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 191K | $1M+ | SH |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 189K | $1M+ | SH |
| Clearbridge Investments, LLC | 185K | $1M+ | SH |
| LOOMIS SAYLES & CO L P | 169K | $1M+ | SH |
| Swedbank AB | 110K | $1M+ | SH |
| Swedbank AB | 110K | $1M+ | SH |
| ENVESTNET ASSET MANAGEMENT INC | 96K | $1M+ | SH |
| Asset Management One Co., Ltd. | 77K | $1M+ | SH |
| AXIOM INVESTORS LLC /DE | 67K | $1M+ | SH |
| UBS Group AG | 63K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
Mawer Investment Management Ltd.
SC 13G/A · Feb 11, 2026
4.7%
804K shares
SC 13G/A · Jan 8, 2026
10.0%
1.7M shares
SC 13G/A · Nov 14, 2025
5.9%
1.0M shares
Mawer Investment Management Ltd.
SC 13G · Nov 12, 2025
5.1%
856K shares
SC 13G/A · Aug 14, 2025
6.3%
1.1M shares
SC 13G/A · Jul 19, 2025
14.2%
2.4M shares
SC 13G/A · May 14, 2025
7.4%
1.2M shares
SC 13G/A · May 12, 2025
7.3%
1.2M shares
SC 13G/A · Feb 14, 2025
7.4%
1.2M shares
SC 13G · Feb 12, 2025
5.1%
848K shares
Janus Henderson Group plc EIN #00-0000000
SC 13G/A · Nov 14, 2024
7.3%
1.2M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
12.3%
2.1M shares
Janus Henderson Group plc EIN #00-0000000
SC 13G/A · Feb 13, 2024
7.2%
1.2M shares
SC 13G/A · Jan 22, 2024
15.6%
2.6M shares
Janus Henderson Group plc EIN #00-0000000
SC 13G/A · Feb 10, 2023
10.9%
1.8M shares
SC 13G · Jan 23, 2023
19.5%
3.3M shares
Janus Henderson Group plc EIN #00-0000000
SC 13G/A · Feb 10, 2022
10.2%
1.8M shares
SC 13G/A · Jan 27, 2022
19.2%
3.4M shares
SC 13G · Jan 25, 2022
19.2%
3.4M shares