As the Q4 earnings season wraps, let’s dig into this quarter’s best and worst performers in the specialized technology industry, including OSI Systems (NASDAQ: OSIS) and its peers.

Companies in this sector, especially if they invest wisely, could see demand tailwinds as the world moves towards more IoT (Internet of Things), automation, and analytics. Enterprises across most industries will balk at taking these journeys solo and will enlist companies with expertise and scale in these areas. However, headwinds could include rising competition from larger technology firms, as digitization lowers barriers to entry in the space. Additionally, companies in the space will likely face evolving regulatory scrutiny over data privacy, particularly for surveillance and security technologies. This could make companies have to continually pivot and invest.

The 8 specialized technology stocks we track reported a strong Q4. As a group, revenues beat analysts’ consensus estimates by 2.8% while next quarter’s revenue guidance was in line.

While some specialized technology stocks have fared somewhat better than others, they have collectively declined. On average, share prices are down 3.8% since the latest earnings results.

OSI Systems (NASDAQ: OSIS)

With security scanners deployed at airports and borders worldwide and patient monitors used in hospitals across the globe, OSI Systems (NASDAQ: OSIS) designs and manufactures specialized electronic systems for security screening, patient monitoring, and optoelectronic applications.

OSI Systems reported revenues of $464.1 million, up 10.5% year on year. This print exceeded analysts’ expectations by 2.4%. Overall, it was a strong quarter for the company with an impressive beat of analysts’ revenue and EPS estimates.

Interestingly, the stock is up 7.3% since reporting and currently trades at $289.43.

Read why we think that OSI Systems is one of the best specialized technology stocks, our full report is free.

Best Q4: Arlo Technologies (NYSE: ARLO)

Originally spun off from networking equipment maker Netgear in 2018, Arlo Technologies (NYSE: ARLO) provides cloud-based smart security devices and subscription services that help consumers and businesses monitor and protect their homes, properties, and loved ones.

Arlo Technologies reported revenues of $141.3 million, up 16.2% year on year, outperforming analysts’ expectations by 4.2%. The business had an incredible quarter with a beat of analysts’ EPS estimates and an impressive beat of analysts’ EPS guidance for next quarter estimates.

The market seems happy with the results as the stock is up 18.9% since reporting. It currently trades at $14.67.

Is now the time to buy Arlo Technologies? Access our full analysis of the earnings results here, it’s free.

Weakest Q4: Mirion (NYSE: MIR)

With its technology protecting workers in over 130 countries and equipment used in 80% of cancer centers worldwide, Mirion Technologies (NYSE: MIR) provides radiation detection, measurement, and monitoring solutions for medical, nuclear energy, defense, and scientific research applications.

Mirion reported revenues of $277.4 million, up 9.1% year on year, falling short of analysts’ expectations by 1.3%. It was a disappointing quarter as it posted a significant miss of analysts’ full-year EPS guidance estimates and a significant miss of analysts’ EPS estimates.

Mirion delivered the weakest performance against analyst estimates and slowest revenue growth in the group. As expected, the stock is down 17.5% since the results and currently trades at $19.35.

Read our full analysis of Mirion’s results here.

Napco (NASDAQ: NSSC)

Protecting everything from schools to government facilities since 1969, Napco Security Technologies (NASDAQ: NSSC) manufactures electronic security devices, access control systems, and communication services for intrusion and fire alarm systems.

Napco reported revenues of $48.17 million, up 12.2% year on year. This result topped analysts’ expectations by 0.7%. Overall, it was an exceptional quarter as it also recorded a beat of analysts’ EPS estimates and a narrow beat of analysts’ revenue estimates.

The stock is up 15.5% since reporting and currently trades at $42.60.

Read our full, actionable report on Napco here, it’s free.

PAR Technology (NYSE: PAR)

Originally founded in 1968 as a defense contractor for the U.S. government, PAR Technology (NYSE: PAR) provides cloud-based software, payment processing, and hardware solutions that help restaurants manage everything from point-of-sale to customer loyalty programs.

PAR Technology reported revenues of $120.1 million, up 14.4% year on year. This number beat analysts’ expectations by 4.3%. It was an exceptional quarter as it also produced a beat of analysts’ EPS estimates and a solid beat of analysts’ revenue estimates.

The stock is down 38.2% since reporting and currently trades at $13.88.

Read our full, actionable report on PAR Technology here, it’s free.

Market Update

Late in 2025 into early 2026, there was hand wringing around artificial intelligence. For software companies, the fear was that AI would erode pricing power and compress margins as new tools made it easier to replicate what once required expensive enterprise platforms. Crypto investors had their own version of the same anxiety: if AI agents could trade, allocate capital, and manage wallets autonomously, what exactly was the long-term value of today’s crypto infrastructure?

These concerns triggered a noticeable rotation away from these sectors and into safer havens. But markets rarely dwell on one narrative for long. Spring 2026 came, and the focus shifted abruptly from technological disruption to geopolitical risk. The US’ conflict with Iran became the dominant driver of market psychology, and when geopolitics takes center stage, the script changes quickly. Investors stop debating growth rates and start worrying about oil supply, inflation, and global stability.

Want to invest in winners with rock-solid fundamentals? Check out our Top 6 Stocks and add them to your watchlist. These companies are poised for growth regardless of the political or macroeconomic climate.