Napco Security Technologies, Inc.
Napco Security Technologies, Inc. (Nasdaq: NSSC) designs and manufactures electronic security devices and provides cellular communication services for intrusion and fire alarm systems, as well as school safety solutions. Its products include electronic and mechanical door locks, access control systems, intrusion and… From the company’s description.
Over the twelve months to Sep 30, 2026, Napco Security Technologies, Inc. reported revenue of $203.13M, up 8.7% from a year earlier, and net income of $43.87M. Its operating margin was 22.7%, and operations generated $52.26M in cash. In fiscal 2026, it reported revenue of $202.32M, up 11.4% from fiscal 2025, and net income of $43.03M.
Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.
What Napco Security Technologies, Inc. does
In the company’s own words
Napco Security Technologies, Inc. (Nasdaq: NSSC) designs and manufactures electronic security devices and provides cellular communication services for intrusion and fire alarm systems, as well as school safety solutions. Its products include electronic and mechanical door locks, access control systems, intrusion and fire alarm equipment, cellular communicators, and video surveillance products. Customers include independent distributors, wholesalers, security dealers, installers, and end users in commercial, residential, institutional, industrial, and government markets. The company also earns monthly recurring fees for cellular and cloud connectivity that supports its communicators and other security devices. Its product brands include NAPCO Security Technologies, Alarm Lock, NAPCO Access Pro, and Marks USA; StarLink is a principal line of cellular communication devices. Napco reports its business as one operating segment. For the fiscal year ended June 30, 2026, it recorded $202.3 million in revenue and had 1,049 full-time employees. Founded in 1969, the company changed its name from NAPCO Security Systems, Inc. in 2008. Its website is http://www.napcosecurity.com.
Company details
- Sector
- Information Technology
- Industry (SIC)
- Communications Equipment
- Headquarters
- AMITYVILLE, NY
- Fiscal year end
- June
- CIK
- 69633
- SIC
- 3669
Financial performance, year by year
Fiscal 2012–2026 · USDThe full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.
Who owns Napco Security Technologies, Inc. — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Superinvestors in Napco Security Technologies, Inc. · what they did last quarter
Share of each manager’s reported 13F portfolio. Change is in shares held, since the previous quarter.
Largest fund holders · Napco Security Technologies, Inc.’s weight in each
Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.
Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.
Fund ownership is a subset of institutional 13F ownership — the two describe overlapping populations and must not be added together.
Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.
Recent filings
All filings →Each filing opens into its own statements and disclosures here.
Put this business in context.
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