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HKHCOTCInvestment AdviceFiscal year ends December 31

Horizon Kinetics Holding Corp

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 13, 2026
$20.00−0.40 (-1.96%)

Close on Oct 19, 2026

Market cap
$372.70M
P/E (TTM)
8.0
Dividend yield
–

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
5.8%
1M of 19M shares
Institutional holders
1
0 new, 0 sold out
Net institutional buying
0M
In Q2 2026
Insider trades, 12 months
73 buys · 0 sales
Net bought $187.99K

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
1060 Capital, LLC974,6487.50%13G (passive)Dec 31, 2023
Horizon Common Inc8,216,43744.10%13D (active)Aug 1, 2024

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of HKHCValueChange% of portfolio
Horizon Kinetics Asset Management LLC1,075,4165.77%$35.49M–0.40%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 202611M5.8%0 / 00 / 00M0M
Q1 202611M5.8%0 / 10 / 00M0M
Q4 202511M5.8%0 / 10 / 00M0M
Q3 202511M5.8%0 / 10 / 01M0M
Q2 202510M0.1%0 / 10 / 00M0M
Q1 202510M0.1%0 / 10 / 00M0M
Q4 202410M0.1%1 / 00 / 00M0M

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Murray StahlCEO and CIO, Director, 10% owner9,303,73049.93%Mar 24, 2026
Mark HerndonChief Financial Officer5500.00%Aug 20, 2026
David M. ArndtPresident, Cons Prod Div.1,4790.01%Oct 15, 2025
Jay H. KesslenGeneral Counsel and Secretary3500.00%Nov 26, 2024
Alun WilliamsChief Operating Officer500.00%Nov 20, 2024
Grimaldi RussellCCO & Assoc General Counsel1320.00%Nov 19, 2024
Allison NagelbergDirector5900.00%Sep 22, 2026
Alice C. BrennanDirector2,0000.01%Sep 3, 2026
Daniel J. RollerDirector1,720,0709.23%Aug 27, 2026
Brent D. RosenthalDirector4,4500.02%Aug 25, 2026
Maran Partners Fund, LP–245,5661.32%Aug 27, 2026
Maran Partners GP, LLC–––Aug 27, 2026
Maran Capital Management, LLC–246,0661.32%Aug 27, 2026
Common Inc Horizon10% owner9,303,74049.93%Mar 24, 2026
Maran SPV GP, LLC–––Dec 23, 2025
Maran SPV, LP–––Dec 23, 2025

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Allison Nagelberg
Director
Sep 18, 2026Buy+190$26.27$4.99K590
Alice C. Brennan
Director
Sep 2, 2026Buy+200$25.92$5.18K2,000
Alice C. Brennan
Director
Aug 28, 2026Buy+200$26.20$5.24K1,800
Alice C. Brennan
Director
Aug 27, 2026Buy+200$26.00$5.20K1,600
Maran Capital Management, LLC
–
Aug 26, 2026Buy+500$26.50$13.25K10,000
Alice C. Brennan
Director
Aug 25, 2026Buy+200$26.75$5.35K1,400
Alice C. Brennan
Director
Aug 24, 2026Buy+200$26.87$5.37K1,200
Brent D. Rosenthal
Director
Aug 24, 2026Buy+2,000$27.00$54.00K4,450
Mark Herndon
Chief Financial Officer
Aug 20, 2026Buy+200$26.75$5.35K550
Mark Herndon
Chief Financial Officer
Aug 19, 2026Buy+50$26.50$1.33K350
Mark Herndon
Chief Financial Officer
May 20, 2026Buy+100$27.85$2.79K300
Brent D. Rosenthal
Director
May 20, 2026Buy+700$27.85$19.50K2,450
Murray Stahl
CEO and CIO, Director, 10% owner
Mar 20, 2026Buy+10$34.60$346249,204
Murray Stahl
CEO and CIO, Director, 10% owner
Mar 20, 2026Buy+25$34.60$8658,216,801
Murray Stahl
CEO and CIO, Director, 10% owner
Mar 20, 2026Buy+18$34.60$623135
Common Inc Horizon
10% owner
Mar 20, 2026Buy+25$34.60$8658,216,801
Common Inc Horizon
10% owner
Mar 20, 2026Buy+18$34.60$623135
Common Inc Horizon
10% owner
Mar 20, 2026Buy+10$34.60$346249,214
Allison Nagelberg
Director
Mar 20, 2026Buy+150$33.96$5.09K400
Common Inc Horizon
10% owner
Mar 19, 2026Buy+46$34.06$1.57K249,194
Common Inc Horizon
10% owner
Mar 19, 2026Buy+25$34.06$8528,216,776
Common Inc Horizon
10% owner
Mar 19, 2026Buy+18$34.06$613117
Common Inc Horizon
10% owner
Mar 18, 2026Buy+8$34.00$27299
Common Inc Horizon
10% owner
Mar 18, 2026Buy+9$34.00$3068,216,751
Common Inc Horizon
10% owner
Mar 18, 2026Buy+10$34.00$340249,148
Mark Herndon
Chief Financial Officer
Mar 18, 2026Buy+80$33.03$2.64K200
Brent D. Rosenthal
Director
Mar 18, 2026Buy+750$33.05$24.79K1,750
Maran Partners Fund, LP
Director
Dec 23, 2025Other+25,360––236,066
Maran Partners Fund, LP
Director
Dec 23, 2025Other−42,000––0
Murray Stahl
CEO and CIO, Director, 10% owner
Dec 10, 2025Buy+4$27.00$10891
Murray Stahl
CEO and CIO, Director, 10% owner
Dec 10, 2025Buy+6$27.00$1628,216,742
Murray Stahl
CEO and CIO, Director, 10% owner
Dec 10, 2025Buy+12$27.00$324249,138
Murray Stahl
CEO and CIO, Director, 10% owner
Dec 9, 2025Buy+12$27.00$324249,126
Murray Stahl
CEO and CIO, Director, 10% owner
Dec 9, 2025Buy+6$27.00$1628,216,736
Murray Stahl
CEO and CIO, Director, 10% owner
Dec 9, 2025Buy+4$27.00$10887
Common Inc Horizon
10% owner
Dec 8, 2025Buy+4$26.73$10783
Common Inc Horizon
10% owner
Dec 8, 2025Buy+12$26.73$321249,114
Common Inc Horizon
10% owner
Dec 8, 2025Buy+6$26.73$1608,216,730
Murray Stahl
CEO and CIO, Director, 10% owner
Dec 5, 2025Buy+12$27.75$333249,102
Murray Stahl
CEO and CIO, Director, 10% owner
Dec 5, 2025Buy+6$27.75$1678,216,724
Murray Stahl
CEO and CIO, Director, 10% owner
Dec 5, 2025Buy+4$27.75$11179
Common Inc Horizon
10% owner
Dec 4, 2025Buy+4$27.75$11175
Common Inc Horizon
10% owner
Dec 4, 2025Buy+6$27.75$1678,216,718
Common Inc Horizon
10% owner
Dec 4, 2025Buy+12$27.75$333249,090
Common Inc Horizon
10% owner
Dec 4, 2025Buy+6$41.25$2488,216,515
Common Inc Horizon
10% owner
Dec 3, 2025Buy+6$27.00$1628,216,712
Common Inc Horizon
10% owner
Dec 3, 2025Buy+4$27.00$10871
Common Inc Horizon
10% owner
Dec 3, 2025Buy+12$27.00$324249,078
Murray Stahl
CEO and CIO, Director, 10% owner
Dec 2, 2025Buy+4$27.23$10967
Murray Stahl
CEO and CIO, Director, 10% owner
Dec 2, 2025Buy+12$27.23$327249,066
Murray Stahl
CEO and CIO, Director, 10% owner
Dec 2, 2025Buy+6$27.23$1638,216,706
Common Inc Horizon
10% owner
Dec 1, 2025Buy+6$27.00$1628,216,700
Common Inc Horizon
10% owner
Dec 1, 2025Buy+4$27.00$10863
Common Inc Horizon
10% owner
Dec 1, 2025Buy+12$27.00$324249,054
Murray Stahl
CEO and CIO, Director, 10% owner
Nov 28, 2025Buy+4$27.23$10959
Murray Stahl
CEO and CIO, Director, 10% owner
Nov 28, 2025Buy+12$27.23$327249,042
Murray Stahl
CEO and CIO, Director, 10% owner
Nov 28, 2025Buy+6$27.23$1638,216,694
Common Inc Horizon
10% owner
Nov 27, 2025Buy+6$41.00$2468,216,491
Common Inc Horizon
10% owner
Nov 26, 2025Buy+4$27.23$10955
Common Inc Horizon
10% owner
Nov 26, 2025Buy+8$27.23$2188,216,688

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.