Why OSI Systems (OSIS) Stock Is Down Today

OSI Systems (OSIS) is down 8.5% today. Here is some analysis on what might have caused this price movement.

Analysis: The sell-off appears tied to the company’s fiscal fourth-quarter report and its initial fiscal 2027 outlook. While earnings were solid, investors seem to be focusing on lower quarterly revenue, delivery delays tied to Middle East disruptions, and forward sales guidance that looks lighter than Wall Street had been expecting.

Details:

OSI Systems posted fiscal fourth-quarter revenue of about $484 million, down from the prior year, even as non-GAAP earnings per share rose to a quarterly record.

Management said roughly $50 million of planned Security division deliveries slipped beyond June 30 because of conflict-related delays and site-access constraints in the Middle East.

The company’s fiscal 2026 revenue finished below its prior guidance range, suggesting the delayed shipments had a meaningful effect on reported sales.

For fiscal 2027, OSI Systems introduced revenue guidance of about $1.875 billion to $1.93 billion and non-GAAP EPS guidance of about $11.13 to $11.49; the revenue outlook appears to have underwhelmed investors despite recent contract wins and an expanded stock repurchase authorization.

Sources:

OSI Systems Investor Relations, SEC, Earnings Whispers, Benzinga

Disclaimer: This price movement analysis was generated with the help of AI. Please double-check the information provided for mistakes.

$OSIS Hedge Fund Activity

We have seen 184 institutional investors add shares of $OSIS stock to their portfolio, and 216 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

MAWER INVESTMENT MANAGEMENT LTD. removed 662,634 shares (-100.0%) from their portfolio in Q2 2026, for an estimated $144,918,055
MILLENNIUM MANAGEMENT LLC added 254,870 shares (+584.4%) to their portfolio in Q2 2026, for an estimated $55,740,069
FMR LLC removed 228,922 shares (-11.6%) from their portfolio in Q2 2026, for an estimated $50,065,241
SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. added 193,801 shares (+inf%) to their portfolio in Q2 2026, for an estimated $42,384,278
JPMORGAN CHASE & CO added 189,751 shares (+inf%) to their portfolio in Q2 2026, for an estimated $41,498,543
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC added 188,025 shares (+98.3%) to their portfolio in Q2 2026, for an estimated $41,121,067
AMERICAN CENTURY COMPANIES INC added 172,148 shares (+337.6%) to their portfolio in Q2 2026, for an estimated $37,648,767

To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.

$OSIS Government Contracts

We have seen $159,315,013 of award payments to $OSIS over the last year.

Here are some of the awards which we have have seen pay out the most over the last year:

NON-INTRUSIVE INSPECTION DETECTION EQUIPMENT - MAINTENANCE AND REPAIR: $56,265,324
THIS DELIVERY ORDER IS FOR MULTI - ENERGY PORTALS.: $22,765,847
HIGH ENERGY RAIL SYSTEMS: $18,947,445
THE PURPOSE OF THIS CONTRACT IS TO PURCHASE MULTI ENERGY PORTAL SYSTEMS AND SERVICES.: $14,993,662

To track government contracts to publicy traded companies, check out Quiver Quantitative's government contracts dashboard. You can access data on government contracts through the Quiver Quantitative API government contracts endpoint.

This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.