Horizon Kinetics Holding Corporation

Horizon Kinetics Holding Corporation (OTCM Pink: HKHC) primarily offers investment advisory services through its subsidiary Horizon Kinetics Asset Management LLC (“Horizon Kinetics”), a registered investment adviser. Horizon Kinetics provides independent proprietary research and investment advisory services for long-only and alternative value-based investing strategies. It also obtained a portfolio of consumer products, which are marketed and distributed in the retail marketplace, through its August 2024 merger with Scott’s Liquid Gold-Inc. The firm has offices in New York City, White Plains, New York, and Summit, New Jersey.

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1. SEC EDGAR filing: hkhc-20260630.htm. U.S. Securities and Exchange Commission. Accessed Oct 4, 2026. (Filing; source ID sec-1)
2. SEC EDGAR filing: hkhc-20260331.htm. U.S. Securities and Exchange Commission. Accessed Oct 4, 2026. (Filing; source ID sec-2)
3. SEC EDGAR filing: hkhc-20251231.htm. U.S. Securities and Exchange Commission. Accessed Oct 4, 2026. (Filing; source ID sec-3)
4. SEC EDGAR filing: hkhc-20250930.htm. U.S. Securities and Exchange Commission. Accessed Oct 4, 2026. (Filing; source ID sec-4)
5. SEC EDGAR filing: slgdd-20240930.htm. U.S. Securities and Exchange Commission. Accessed Oct 4, 2026. (Filing; source ID sec-5)