Koss Corporation
Koss Corporation (Nasdaq: KOSS) designs, manufactures and sells stereo headphones and related personal-listening accessories for consumers and customers in communications, education, metal detection and original equipment manufacturing. Products are sold under the Koss name and through private-label arrangements via… From the company’s description.
Over the twelve months to Sep 30, 2026, Koss Corporation reported revenue of $12.04M, down 10.7% from a year earlier, and a net loss of $0.87M. Its operating margin was −15.5%, and operations used $0.85M in cash. In fiscal 2026, it reported revenue of $13.02M, up 3.1% from fiscal 2025, and a net loss of $0.39M.
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 Koss Corporation does
In the company’s own words
Koss Corporation (Nasdaq: KOSS) designs, manufactures and sells stereo headphones and related personal-listening accessories for consumers and customers in communications, education, metal detection and original equipment manufacturing. Products are sold under the Koss name and through private-label arrangements via distributors, retailers, specialty stores, online marketplaces and the company’s direct-to-consumer website; it also sells to school systems and manufacturers incorporating its products into their own. About 80% of fiscal 2026 sales came from music-listening headphones, with the remainder from other applications. Koss reports one segment, covering the design, manufacture and sale of headphones and accessories. It sources complete headphones primarily from contract manufacturers in China and Taiwan, and also operates a manufacturing facility in Milwaukee. Net sales were $13.0 million in fiscal 2026, and the company employed 30 people at year-end. Founded around the personal-listening business launched with its first stereo headphone in 1958, Koss also holds a portfolio of trademarks and patents and pursues intellectual-property licensing and enforcement. Its website is https://www.koss.com.
Company details
- Sector
- Information Technology
- Industry (SIC)
- Electronic Equipment
- Headquarters
- MILWAUKEE, WI
- Fiscal year end
- June
- CIK
- 56701
- SIC
- 3651
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 Koss Corporation — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Largest fund holders · Koss Corporation’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”.
Could not be determined for this company: bond issues.
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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