# Horizon Kinetics Holding Corp (HKHC)

> Cited company facts from SEC filings, by Steadybase. Web page: https://steadybase.io/company/horizon-kinetics-holding-corp/ JSON: https://steadybase.io/company/horizon-kinetics-holding-corp.json Checked Nov 10, 2026. Latest filing read: Aug 13, 2026.

## Company

- Legal name: Horizon Kinetics Holding Corp
- Ticker: HKHC (OTC)
- SEC CIK: 0000088000
- Industry: Investment Advice (SIC 6282)
- Headquarters: New York, NY
- Fiscal year ends: December 31
- SEC filer category: Non-accelerated filer<br>Smaller reporting company
- Website: hkholdingco.com
- Next earnings date: Nov 13, 2026 (estimated from past 8-K timing)

## Key facts

- Revenue: $72.8M for the fiscal year ended Dec 31, 2025 (10-K filed Mar 12, 2026). Source: https://www.sec.gov/Archives/edgar/data/88000/000119312526104113/0001193125-26-104113-index.html
- Operating income: $11.1M for the fiscal year ended Dec 31, 2025 (10-K filed Mar 12, 2026). Source: https://www.sec.gov/Archives/edgar/data/88000/000119312526104113/0001193125-26-104113-index.html
- Net income: $5.1M for the fiscal year ended Dec 31, 2025 (10-K filed Mar 12, 2026). Source: https://www.sec.gov/Archives/edgar/data/88000/000119312526104113/0001193125-26-104113-index.html
- SG&A: $2.7M for the fiscal year ended Dec 31, 2025 (10-K filed Mar 12, 2026). Source: https://www.sec.gov/Archives/edgar/data/88000/000119312526104113/0001193125-26-104113-index.html
- Employees: 81 as of Dec 31, 2025, as reported in an SEC filing. Source: https://www.sec.gov/Archives/edgar/data/88000/000119312526104113/hkhc-20251231.htm
- Shares outstanding: 18,635,321 as of Aug 11, 2026 (10-Q filed Aug 13, 2026). Source: https://www.sec.gov/Archives/edgar/data/88000/000119312526349320/0001193125-26-349320-index.html
- Auditor: Cbiz Cpas P.C., Costa Mesa, CA, named in the latest 10-K. Source: https://www.sec.gov/Archives/edgar/data/88000/000119312526104113/hkhc-20251231.htm

## Business

Horizon Kinetics Holding Corporation (“Horizon Kinetics” or the “Company”), through its wholly-owned registered investment advisor, Horizon Kinetics Asset Management LLC, is an investment advisory and independent research firm. Horizon Kinetics is a fundamental value, contrarian-oriented investment advisor. It was founded on the belief that a short-term investment approach, widely adopted with the modernization of financial markets, ultimately produces sub-optimal returns.

Source: Item 1. Business, https://www.sec.gov/Archives/edgar/data/88000/000119312526104113/hkhc-20251231.htm

## Annual results

| Fiscal year ended | Revenue | Operating income | Net income | SG&A |
|---|---|---|---|---|
| Dec 31, 2025 | $72.8M | $11.1M | $5.1M | $2.7M |
| Dec 31, 2024 | $55.8M | -$15.1M | $92.5M | $2.3M |
| Dec 31, 2023 | $47.3M | -$1.8M | -$4.5M | $1.7M |
| Dec 31, 2022 | $3.0M | -$9.9M | -$8.9M | $3.1M |
| Dec 31, 2021 | $29.7M | -$6.5M | -$11.1M | $4.6M |

Each figure comes from the annual report for that year. Filing links for every figure: https://steadybase.io/company/horizon-kinetics-holding-corp.json

## Officers and directors

- Murray Stahl, CEO and CIO. Source: 4/A filed Mar 24, 2026, https://www.sec.gov/Archives/edgar/data/88000/000143774926009561/0001437749-26-009561-index.htm
- Mark Herndon, Chief Financial Officer. Source: Form 4 filed Aug 20, 2026, https://www.sec.gov/Archives/edgar/data/88000/000143774926028621/0001437749-26-028621-index.htm
- David M. Arndt, President, Cons Prod Div.. Source: Form 4 filed Oct 15, 2025, https://www.sec.gov/Archives/edgar/data/88000/000143774925030999/0001437749-25-030999-index.htm

## Recent 8-K events

- Aug 13, 2026: Item 2.02, Results of operations and financial condition (earnings release); Item 9.01, Financial statements and exhibits. Source: https://www.sec.gov/Archives/edgar/data/88000/000119312526349306/hkhc-20260813.htm
- May 15, 2026: Item 2.02, Results of operations and financial condition (earnings release); Item 9.01, Financial statements and exhibits. Source: https://www.sec.gov/Archives/edgar/data/88000/000119312526225476/hkhc-20260515.htm
- May 11, 2026: Item 1.01, Entry into a material definitive agreement. Source: https://www.sec.gov/Archives/edgar/data/88000/000119312526215560/hkhc-20260505.htm
- Apr 8, 2026: Item 5.02, Departure or appointment of directors or officers; compensation; Item 9.01, Financial statements and exhibits. Source: https://www.sec.gov/Archives/edgar/data/88000/000119312526147613/hkhc-20260407.htm
- Mar 12, 2026: Item 2.02, Results of operations and financial condition (earnings release); Item 9.01, Financial statements and exhibits. Source: https://www.sec.gov/Archives/edgar/data/88000/000119312526104064/hkhc-20260312.htm
- Nov 13, 2025: Item 2.02, Results of operations and financial condition (earnings release); Item 9.01, Financial statements and exhibits. Source: https://www.sec.gov/Archives/edgar/data/88000/000119312525280089/hkhc-20251113.htm
- Aug 12, 2025: Item 2.02, Results of operations and financial condition (earnings release); Item 9.01, Financial statements and exhibits. Source: https://www.sec.gov/Archives/edgar/data/88000/000095017025107269/hkhc-20250812.htm
- Jun 20, 2025: Item 5.07, Submission of matters to a vote of security holders. Source: https://www.sec.gov/Archives/edgar/data/88000/000095017025088156/hkhc-20250617.htm
- May 14, 2025: Item 2.02, Results of operations and financial condition (earnings release); Item 9.01, Financial statements and exhibits. Source: https://www.sec.gov/Archives/edgar/data/88000/000095017025071607/hkhc-20250514.htm
- Apr 29, 2025: Item 4.01, Changes in registrant's certifying accountant; Item 9.01, Financial statements and exhibits. Source: https://www.sec.gov/Archives/edgar/data/88000/000095017025060072/hkhc-20250428.htm

## Insider trades (Form 4)

- Sep 18, 2026: Allison Nagelberg (Director) bought 190 shares, about $4,991. Source: https://www.sec.gov/Archives/edgar/data/88000/000143774926030860/0001437749-26-030860-index.htm
- Sep 2, 2026: Alice C. Brennan (Director) bought 200 shares, about $5,184. Source: https://www.sec.gov/Archives/edgar/data/88000/000143774926029558/0001437749-26-029558-index.htm
- Aug 28, 2026: Alice C. Brennan (Director) bought 200 shares, about $5,240. Source: https://www.sec.gov/Archives/edgar/data/88000/000143774926029253/0001437749-26-029253-index.htm
- Aug 27, 2026: Alice C. Brennan (Director) bought 200 shares, about $5,200. Source: https://www.sec.gov/Archives/edgar/data/88000/000143774926029156/0001437749-26-029156-index.htm
- Aug 26, 2026: Daniel J. Roller (Director) bought 500 shares, about $13,250. Source: https://www.sec.gov/Archives/edgar/data/88000/000143774926029086/0001437749-26-029086-index.htm
- Aug 25, 2026: Alice C. Brennan (Director) bought 200 shares, about $5,350. Source: https://www.sec.gov/Archives/edgar/data/88000/000143774926028964/0001437749-26-028964-index.htm
- Aug 24, 2026: Alice C. Brennan (Director) bought 200 shares, about $5,374. Source: https://www.sec.gov/Archives/edgar/data/88000/000143774926028884/0001437749-26-028884-index.htm
- Aug 24, 2026: Brent D. Rosenthal (Director) bought 2,000 shares, about $54,000. Source: https://www.sec.gov/Archives/edgar/data/88000/000143774926028880/0001437749-26-028880-index.htm
- Aug 20, 2026: Mark Herndon (Chief Financial Officer) bought 250 shares, about $6,675. Source: https://www.sec.gov/Archives/edgar/data/88000/000143774926028621/0001437749-26-028621-index.htm
- May 20, 2026: Mark Herndon (Chief Financial Officer) bought 100 shares, about $2,785. Source: https://www.sec.gov/Archives/edgar/data/88000/000143774926018006/0001437749-26-018006-index.htm
- May 20, 2026: Brent D. Rosenthal (Director) bought 700 shares, about $19,495. Source: https://www.sec.gov/Archives/edgar/data/88000/000143774926018001/0001437749-26-018001-index.htm
- Mar 20, 2026: Murray Stahl (CEO and CIO) bought 53 shares, about $1,834. Source: https://www.sec.gov/Archives/edgar/data/88000/000143774926009521/0001437749-26-009521-index.htm
- Mar 20, 2026: Allison Nagelberg (Director) bought 150 shares, about $5,094. Source: https://www.sec.gov/Archives/edgar/data/88000/000143774926009345/0001437749-26-009345-index.htm
- Mar 19, 2026: Murray Stahl (CEO and CIO) bought 89 shares, about $3,031. Source: https://www.sec.gov/Archives/edgar/data/88000/000143774926009170/0001437749-26-009170-index.htm
- Mar 18, 2026: Murray Stahl (CEO and CIO) bought 27 shares, about $918. Source: https://www.sec.gov/Archives/edgar/data/88000/000143774926009013/0001437749-26-009013-index.htm

## Latest filings

- 8-K filed Aug 13, 2026: https://www.sec.gov/Archives/edgar/data/88000/000119312526349306/hkhc-20260813.htm
- 10-K filed Mar 12, 2026: https://www.sec.gov/Archives/edgar/data/88000/000119312526104113/hkhc-20251231.htm
- 10-Q filed Aug 13, 2026: https://www.sec.gov/Archives/edgar/data/88000/000119312526349320/hkhc-20260630.htm
- DEF 14A filed Apr 20, 2026: https://www.sec.gov/Archives/edgar/data/88000/000119312526164084/hkhc-20260420.htm

## About this data

SEC EDGAR filings, read by Steadybase. Every value links to the filing it came from.
Steadybase covers US-headquartered public companies that file with the SEC. API and MCP access: https://steadybase.io/docs/