# Horizon Kinetics Holding Corp — DEF 14A

Horizon Kinetics Holding Corp of NEW YORK, NY filed a DEF 14A with the SEC on 1995-03-28. Industry: Investment Advice.

## Filing

- Filed: 1995-03-28
- Form: DEF 14A
- Accession: 0000950134-95-000513
- Registrant: Horizon Kinetics Holding Corp
- CIK: 0000088000
- Industry (SIC): Investment Advice (6282)
- State of incorporation: DE
- Location: NEW YORK, NY

## Filing timeline for this registrant (36)

_Showing 12 of 36 filings._

| Filed | Form |
| --- | --- |
| [2026-04-20](https://search.stillhousedata.com/proxy/0001193125-26-164084) | DEF 14A |
| [2025-04-30](https://search.stillhousedata.com/proxy/0001062993-25-008249) | DEF 14A |
| [2024-05-13](https://search.stillhousedata.com/proxy/0000950170-24-058628) | DEF 14A |
| [2024-05-02](https://search.stillhousedata.com/proxy/0000950170-24-052083) | PRE 14A |
| [2023-04-28](https://search.stillhousedata.com/proxy/0000950170-23-015778) | DEF 14A |
| [2022-05-02](https://search.stillhousedata.com/proxy/0001564590-22-017098) | DEFA14A |
| [2022-04-28](https://search.stillhousedata.com/proxy/0001564590-22-016438) | DEF 14A |
| [2021-04-30](https://search.stillhousedata.com/proxy/0001564590-21-022616) | DEF 14A |
| [2020-04-06](https://search.stillhousedata.com/proxy/0001564590-20-015343) | DEFA14A |
| [2020-04-03](https://search.stillhousedata.com/proxy/0001564590-20-015088) | DEF 14A |
| [2019-04-02](https://search.stillhousedata.com/proxy/0001564590-19-010570) | DEF 14A |
| [2018-04-27](https://search.stillhousedata.com/proxy/0001564590-18-009414) | DEF 14A |

## More

- [CIK 88000 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=88000&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950134-95-000513.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.