Horizon Kinetics Holding Corp.
- HKHC · OTC
- Investment Advice
- New York, NY
- 81 employees
- CIK 0000088000
Updated from SEC filings through
Top things to know
Executives
- Murray Stahl CEO and CIO 4/A, 2026-03-24
- Mark Herndon Chief Financial Officer 4, 2026-08-20
- David M. Arndt President, Cons Prod Div. 4, 2025-10-15
Horizon Kinetics Holding Corp is a U.S. public company in investment advice (SIC 6282), headquartered in New York, NY. It trades as HKHC on OTC. Revenue was $72.8M in the fiscal year ending December 31, 2025, +30.5% from the year before. It reported about 81 employees. Murray Stahl is CEO and CIO.
Five-year financials
| Metric | FY2025 | FY2024 | FY2023 | FY2022 | FY2021 |
|---|---|---|---|---|---|
| Revenue | $72.8M 10-K, 2026-03-12 | $55.8M 10-K, 2026-03-12 | $47.3M 10-K, 2025-03-31 | $3.0M 10-K, 2024-03-26 | $29.7M 10-K, 2023-03-29 |
| Operating income | $11.1M 10-K, 2026-03-12 | -$15.1M 10-K, 2026-03-12 | -$1.8M 10-K, 2025-03-31 | -$9.9M 10-K, 2024-03-26 | -$6.5M 10-K, 2023-03-29 |
| SG&A | $2.7M 10-K, 2026-03-12 | $2.3M 10-K, 2026-03-12 | $1.7M 10-K, 2025-03-31 | $3.1M 10-K, 2024-03-26 | $4.6M 10-K, 2023-03-29 |
| Net income | $5.1M 10-K, 2026-03-12 | $92.5M 10-K, 2026-03-12 | -$4.5M 10-K, 2025-03-31 | -$8.9M 10-K, 2024-03-26 | -$11.1M 10-K, 2023-03-29 |
Annual figures from XBRL in each company's own filings. Click a figure to open the filing. SG&A marked derived is general and administrative plus selling and marketing.
Leadership and board
| Name | Title | Source |
|---|---|---|
| Murray Stahl | CEO and CIO | 4/A, 2026-03-24 |
| Mark Herndon | Chief Financial Officer | 4, 2026-08-20 |
| David M. Arndt | President, Cons Prod Div. | 4, 2025-10-15 |
What Horizon Kinetics Holding Corp does
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.
Item 1. Business, 10-K for the year ending December 31, 2025
Shares and governance
| Shares outstanding | 18.6 million (as of August 11, 2026) | 10-Q, August 13, 2026 |
|---|---|---|
| Public float | $370M (as of June 30, 2025) | 10-K, March 12, 2026 |
| Reportable segments | 1 (period ending June 30, 2026) | 10-Q, August 13, 2026 |
| Latest proxy statement | Meeting June 9, 2026 (filed April 20, 2026) | DEF 14A, April 20, 2026 |
| Auditor | CBIZ CPAs P.C. (Costa Mesa, CA) | Latest 10-K |
Insider trades
Open-market buys and sales by officers and directors, from Forms 4 and 5. One row per filing.
| Date | Insider | Trade | Shares | Value | Source |
|---|---|---|---|---|---|
| September 18, 2026 | Allison Nagelberg Director | Buy | 190 | $5K | Form 4, September 22, 2026 |
| September 2, 2026 | Alice C. Brennan Director | Buy | 200 | $5K | Form 4, September 3, 2026 |
| August 28, 2026 | Alice C. Brennan Director | Buy | 200 | $5K | Form 4, August 31, 2026 |
| August 27, 2026 | Alice C. Brennan Director | Buy | 200 | $5K | Form 4, August 28, 2026 |
| August 26, 2026 | Daniel J. Roller Director | Buy | 500 | $13K | Form 4, August 27, 2026 |
| August 25, 2026 | Alice C. Brennan Director | Buy | 200 | $5K | Form 4, August 26, 2026 |
| August 24, 2026 | Alice C. Brennan Director | Buy | 200 | $5K | Form 4, August 25, 2026 |
| August 24, 2026 | Brent D. Rosenthal Director | Buy | 2,000 | $54K | Form 4, August 25, 2026 |
Recent 8-K events
- 8-K filed 2026-08-13
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2026-05-15
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2026-05-11
- Item 1.01 Entry into a material definitive agreement
- 8-K filed 2026-04-08
- Item 5.02 Departure or appointment of directors or officers; compensation
- 8-K filed 2026-03-12
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2025-11-13
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2025-08-12
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2025-06-20
- Item 5.07 Submission of matters to a vote of security holders
- 8-K filed 2025-05-14
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2025-04-29
- Item 4.01 Changes in registrant's certifying accountant
Frequently asked questions about Horizon Kinetics Holding Corp
- What does Horizon Kinetics Holding Corp do?
- In its own words, from Item 1 of its 10-K: "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."
- What is Horizon Kinetics Holding Corp's revenue?
- $72.8M for the fiscal year ending December 31, 2025, from its 10-K filed March 12, 2026.
- Is Horizon Kinetics Holding Corp profitable?
- Horizon Kinetics Holding Corp reported net income of $5.1M for the fiscal year ending December 31, 2025.
- How many employees does Horizon Kinetics Holding Corp have?
- About 81 as of December 31, 2025, as stated in its annual report.
- Who is the CEO of Horizon Kinetics Holding Corp?
- Murray Stahl, CEO and CIO, as named in a 4/A filed March 24, 2026.
- Who is the CFO of Horizon Kinetics Holding Corp?
- Mark Herndon, Chief Financial Officer, as named in a 4 filed August 20, 2026.
- Where is Horizon Kinetics Holding Corp headquartered?
- New York, NY.
- What is Horizon Kinetics Holding Corp's stock ticker?
- HKHC on OTC.
- What industry is Horizon Kinetics Holding Corp in?
- Investment Advice, SIC code 6282.
- What is Horizon Kinetics Holding Corp's website?
- hkholdingco.com.
- When does Horizon Kinetics Holding Corp report earnings next?
- November 13, 2026. Source: estimate_10q_cadence.
- Is Horizon Kinetics Holding Corp a public company?
- Yes. Horizon Kinetics Holding Corp files with the SEC under CIK 0000088000 and trades as HKHC.
- Who audits Horizon Kinetics Holding Corp?
- CBIZ CPAs P.C., Costa Mesa, CA, as named in its latest annual report (10-K).
- How many shares of Horizon Kinetics Holding Corp are outstanding?
- 18.6 million shares as of August 11, 2026, from its 10-Q filed August 13, 2026.
- What is Horizon Kinetics Holding Corp's public float?
- $370M as of June 30, 2025, as reported on the cover of its 10-K filed March 12, 2026.
- How many business segments does Horizon Kinetics Holding Corp report?
- 1 reportable segment for the period ending June 30, 2026, from its 10-Q filed August 13, 2026.
- When is Horizon Kinetics Holding Corp's annual shareholder meeting?
- June 9, 2026, per its proxy statement (DEF 14A) filed April 20, 2026.
- Have Horizon Kinetics Holding Corp insiders traded stock recently?
- Since August 28, 2025, officers and directors reported 0 open-market sales and 42 purchases worth about $204K on Forms 4 and 5. The most recent: Allison Nagelberg (Director) bought 190 shares on September 18, 2026.