Horizon Kinetics Holding Corp reports

Company location: New York, NY
Fiscal year end: 31 December

Horizon Kinetics Holding Corp has filed 802 SEC EDGAR filings since 28 Mar 1995

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SEC filing history

Showing 1-25 of 525 matching filings.

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4

FORM 4

Filing date: 21 May 2026
Reporting date: 20 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 21 May 2026
Reporting date: 20 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-13458

10-Q

Filing date: 15 May 2026
Reporting date: 31 Mar 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-13458

8-K

Filing date: 15 May 2026
Reporting date: 15 May 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-13458

8-K

Filing date: 11 May 2026
Reporting date: 05 May 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

DEF 14A File 001-13458

DEF 14A

Filing date: 20 Apr 2026
Reporting date: 09 Jun 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-13458

8-K

Filing date: 08 Apr 2026
Reporting date: 07 Apr 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4/A

PRIMARY DOCUMENT

Filing date: 24 Mar 2026
Reporting date: 20 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 24 Mar 2026
Reporting date: 20 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 23 Mar 2026
Reporting date: 20 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 20 Mar 2026
Reporting date: 19 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 19 Mar 2026
Reporting date: 18 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 19 Mar 2026
Reporting date: 18 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 19 Mar 2026
Reporting date: 18 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

10-K File 001-13458

10-K

Filing date: 12 Mar 2026
Reporting date: 31 Dec 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-13458

8-K

Filing date: 12 Mar 2026
Reporting date: 12 Mar 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4

Filing date: 23 Dec 2025
Reporting date: 23 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 11 Dec 2025
Reporting date: 10 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 10 Dec 2025
Reporting date: 09 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 09 Dec 2025
Reporting date: 08 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 08 Dec 2025
Reporting date: 05 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 05 Dec 2025
Reporting date: 04 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 04 Dec 2025
Reporting date: 03 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 03 Dec 2025
Reporting date: 02 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Dec 2025
Reporting date: 01 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

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