# OSI SYSTEMS INC (OSIS)

> Institutional ownership reported to the SEC as of Q3 2026, from Form 13F filings. Source: https://holderbook.com/stocks/OSIS/

- Reporting holders: 6
- Reported value: $2.0M
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [ARGENT CAPITAL MANAGEMENT LLC](https://holderbook.com/funds/1120926-argent-capital-management-llc/) | $1.8M | 9,191 | 0.1% | 3 |
| [Byrne Asset Management LLC](https://holderbook.com/funds/1911322-byrne-asset-management-llc/) | $127.4K | 648 | 0.1% | 1 |
| [GAMMA Investing LLC](https://holderbook.com/funds/2010235-gamma-investing-llc/) | $47.2K | 243 | 0.0% | 12 |
| [Farther Finance Advisors, LLC](https://holderbook.com/funds/1992825-farther-finance-advisors-llc/) | $39.3K | 202 | 0.0% | 16 |
| [Versant Capital Management, Inc](https://holderbook.com/funds/1735057-versant-capital-management-inc/) | $5.1K | 26 | 0.0% | 8 |
| [MassMutual Private Wealth & Trust, FSB](https://holderbook.com/funds/1103653-massmutual-private-wealth-trust-fsb/) | $1.4K | 7 | 0.0% | 9 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q3 2026 | 6 | $2.0M |
| Q2 2026 | 373 | $4.4B |
| Q1 2026 | 372 | $5.1B |
| Q4 2025 | 361 | $4.8B |
| Q3 2025 | 351 | $4.7B |
| Q2 2025 | 342 | $4.3B |
| Q1 2025 | 313 | $3.8B |
| Q4 2024 | 313 | $3.1B |
| Q3 2024 | 273 | $2.5B |
| Q2 2024 | 267 | $2.2B |
| Q1 2024 | 250 | $2.3B |
| Q4 2023 | 227 | $2.0B |