OSI Systems, Inc. OSIS
201.36 USD +5.00 (+2.55%)
At closeNov 9, 2026, 4:00 PM EST
201.36 0.00 0.00%
After hours · Nov 9, 4:00 PM ET
196.02 Day range 203.43
186.50 52-week range 311.72
- YTD
- -21.05%
- 1 year
- -29.31%
Held by funds
166 US ETFs and mutual funds hold OSIS · largest positions
Ownership
Held by insiders 4.66%
Held by institutions 127.26%
Float held by institutions 133.48%
Institutions 497
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Blackrock Inc. | 16.23% | 2,552,027 | 513.88M | Jun 29, 2026 |
| FMR, LLC | 11.05% | 1,738,166 | 350.00M | Jun 29, 2026 |
| Vanguard Portfolio Management LLC | 8.09% | 1,272,016 | 256.13M | Jun 29, 2026 |
| Jupiter Topco LLC | 5.76% | 905,925 | 182.42M | Jun 29, 2026 |
| Vanguard Capital Management LLC | 4.47% | 703,070 | 141.57M | Jun 29, 2026 |
| State Street Corporation | 4.29% | 674,053 | 135.73M | Jun 29, 2026 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| iShares Trust-iShares Core S&P Small-Cap ETF | 5.87% | 922,572 | 185.77M | Sep 29, 2026 |
| SmallCap World Fund Inc | 4.40% | 691,954 | 139.33M | Sep 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 3.16% | 496,472 | 99.97M | Jun 29, 2026 |
| iShares Trust-iShares Russell 2000 ETF | 2.64% | 414,576 | 83.48M | Sep 29, 2026 |
| JANUS INVESTMENT FUND-Janus Henderson Triton Fund | 2.62% | 412,315 | 83.02M | Sep 29, 2026 |
| VANGUARD WORLD FUND-Vanguard Information Technology Index Fund | 2.55% | 401,730 | 80.89M | Aug 30, 2026 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| ALIABADI MANOOCHER MANSOURI | Officer | Sale | Dec 12, 2024 | 78,094 |
| BALLHAUS WILLIAM FRANCIS JR. | Director | Stock Award(Grant) | Jul 19, 2026 | 29,475 |
| BERNARD KELLI | Director | Stock Award(Grant) | Jul 19, 2026 | 11,134 |
| CHIZEVER GERALD M. | Director | Stock Award(Grant) | Jul 19, 2026 | 10,842 |
| CHOPRA DEEPAK | Director | Stock Award(Grant) | Aug 23, 2026 | 250,194 |
| EDRICK ALAN IAN | Chief Financial Officer | Stock Award(Grant) | Aug 23, 2026 | 306,538 |