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OSI Systems OSIS · USD

Information Technology · US listing · 🇺🇸 United States

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201.36

+2.55%

Close of 9 Nov 2026, in USD

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
BLACKROCK, INC.2.5m14.73%−32.3k31 Mar 2026
BlackRock Institutional Trust Company, N.A.2.2m13.04%+55.5k31 Dec 2025
The Vanguard Group, Inc.2.1m12.24%−98131 Dec 2025
FMR LLC2m11.45%+309.7k31 Mar 2026
Fidelity Management & Research Company LLC1.5m8.45%+505.7k31 Dec 2025
VANGUARD PORTFOLIO MANAGEMENT LLC1.2m7.28%+1.2m31 Mar 2026
Mawer Investment Management Ltd.803.6k4.68%−52.8k31 Dec 2025
JANUS HENDERSON GROUP PLC772.3k4.50%+19.7k31 Mar 2026
Janus Henderson Investors752.6k4.38%−247.7k31 Dec 2025
VANGUARD CAPITAL MANAGEMENT LLC699.3k4.07%+699.3k31 Mar 2026
Capital International Investors674.3k3.93%—31 Dec 2025
MAWER INVESTMENT MANAGEMENT LTD.662.6k3.86%−141k31 Mar 2026
STATE STREET CORP662.1k3.85%+4k31 Mar 2026
State Street Investment Management (US)658.2k3.83%−7.7k31 Dec 2025
CAPITAL INTERNATIONAL INVESTORS619.5k3.61%−54.9k31 Mar 2026

Short interest

Shares sold short, 15 Oct 2026. US exchange data.

2m

-3.4% on the period before. 12.3 days to cover.

Short volume

Share of the day's trading sold short, 4 Nov 2026

68.2%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 23 Sept 202679 shares
  • 21 Sept 202655 shares
  • 15 Sept 20266 shares
  • 2 Sept 202643 shares
  • 27 Aug 2026144 shares

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.