On August 20, OSI Systems (NASDAQ:OSIS) reported a fiscal fourth quarter that looked like two different stories stapled together. Full-year revenue of $1.79 billion missed the company’s own guidance, and fourth-quarter revenue fell 4% year over year to $484 million. Yet non-GAAP earnings per share hit a record $3.78 for the quarter, up 17%, while the company closed the year with a record $1.9 billion backlog. The gap between the top and bottom lines is the whole plot here, and it traces back to roughly $50 million in security deliveries that got stuck behind conflict-related delays in the Middle East.
Profits Outrunning The Headline Numbers
Strip out the timing issue and the underlying business looks unusually strong. Full-year non-GAAP EPS climbed 11% to $10.35, and fourth-quarter operating cash flow hit a record $182 million, helping push full-year operating cash flow to $276 million. Cash on the balance sheet swelled to $360 million from $106 million a year earlier, giving OSI Systems room to keep buying back stock, including $123.6 million spent on roughly 565,000 shares in the fourth quarter alone, with the board authorizing another million shares for repurchase.
The backlog tells a similar story about what is coming rather than what already landed: $1.9 billion built on bookings across all three divisions, plus a wave of new contracts including a $200 million Customs and Border Protection IDIQ for vehicle inspection systems, an $85 million mobile X-ray IDIQ, and a $235 million Homeland Defense radio frequency award, the company’s largest RF contract to date. Add a new partnership making Rapiscan the official security screening provider for the LA28 Olympics, plus involvement in Golden Dome-related defense initiatives, and the pipeline looks deep even where near-term revenue does not show it yet. Optoelectronics and Manufacturing revenue grew 9% for the full year to $451 million, and healthcare’s operating margin jumped to 10% in the quarter from just 1% a year earlier as operational fixes started paying off.
Deferred Revenue Still Weighs On Results
The reason results still came in below plan is straightforward: Middle East conflict delayed roughly $50 million of security shipments past the June 30 fiscal year-end because of site access constraints, pushing security division revenue in the quarter down 7% to $340 million. Part of that decline also came from a tough comparison against Mexico project revenue booked a year earlier, a headwind that shaved close to $150 million off full-year revenue and is only expected to moderate to under $25 million in fiscal 2027, concentrated in the first half.
There is also a customer concentration wrinkle tied to that same Mexico relationship. Its receivables balance stood at $345 million at the end of the third quarter, representing 40% of total accounts receivable, before falling to $190 million, or 25% of total receivables, by year end. Guidance for fiscal 2027 calls for revenue of $1.875 billion to $1.93 billion and non-GAAP EPS of $11.13 to $11.49, but management built that guidance around a later Middle East delivery schedule and only partial credit for the new CBP contracts, meaning growth is expected to be back-half loaded rather than steady through the year.
Wall Street Split On Where This Goes Next
Hedge fund ownership rose from 22 funds to 26 in the most recent quarter, a modest but real increase in institutional interest. Short interest tells a very different story, sitting at 15.87% of float, a level that reflects heavy organized skepticism about the stock. Meanwhile, shares trade at a forward P/E of 18.08, as of August 26, a multiple that does not look like it is pricing in much of the backlog growth or margin expansion at all. That combination, rising fund ownership and a reasonable multiple against double-digit short interest, suggests the market has not settled on which version of this quarter matters more.
What Happens When The Backlog Actually Ships
The tension in this report never really resolves. The $1.9 billion backlog and the fresh contract wins argue that OSI Systems is set up well beyond fiscal 2027, but that argument only holds if the deferred Middle East deliveries actually convert to revenue on the timeline management now expects. For the bulls, the case rests on margin expansion in healthcare and optoelectronics continuing while security catches up.
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