As of April 25, 2026, the three largest insider holders of TPL are Kinetics Asset Management Llc Horizon (TenPercentOwner, 3.44Mn shares), Murray Stahl (Director, 3.34Mn shares), Murray Stahl (Director, 2.88Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Kinetics Asset Management Llc Horizon | - | 3,435,503 | 0 | 24 Apr, 2026 |
| Murray Stahl | - | 24,714 | 3,312,660 | 27 Jun, 2025 |
| Murray Stahl | - | 0 | 2,877,339 | 08 May, 2025 |
| Eric L Oliver | - | 0 | 1,180,800 | 22 Aug, 2025 |
| Murray Stahl | - | 0 | 976,989 | 07 Mar, 2025 |
| Murray Stahl | - | 0 | 651,177 | 30 Dec, 2021 |
| Murray Stahl | - | 0 | 642,864 | 16 Feb, 2022 |
| Murray Stahl | - | 0 | 621,204 | 29 Aug, 2022 |
| Murray Stahl | - | 0 | 620,931 | 18 Aug, 2022 |
| Murray Stahl | - | 0 | 595,458 | 04 Jan, 2024 |
| Kinetics Asset Management Llc Horizon | - | 0 | 594,864 | 22 Sep, 2023 |
| Murray Stahl | - | 0 | 590,466 | 31 Oct, 2022 |
| Murray Stahl | - | 0 | 444,597 | 30 Sep, 2021 |
| Murray Stahl | - | 0 | 421,149 | 26 Mar, 2025 |
| Murray Stahl | - | 0 | 313,119 | 25 Oct, 2022 |
| Murray Stahl | - | 0 | 311,130 | 04 May, 2022 |
| Murray Stahl | - | 0 | 309,672 | 05 Jan, 2022 |
| Murray Stahl | - | 0 | 308,916 | 22 Nov, 2021 |
| Murray Stahl | - | 0 | 140,049 | 27 Dec, 2021 |
| Tyler Glover | President Ceo | 44,171 | 0 | 18 Feb, 2026 |
| Murray Stahl | - | 0 | 129,399 | 13 Jul, 2022 |
| Murray Stahl | - | 0 | 129,135 | 07 Mar, 2022 |
| Murray Stahl | - | 0 | 129,078 | 07 Feb, 2022 |
| Murray Stahl | - | 0 | 129,069 | 02 Feb, 2022 |
| Chris Steddum | Chief Financial Officer | 16,040 | 0 | 18 Feb, 2026 |
| Micheal W. Dobbs | Senior Vp, Secretary And Gc | 7,845 | 0 | 18 Feb, 2026 |
| Murray Stahl | - | 0 | 16,647 | 31 Mar, 2022 |
| Murray Stahl | - | 0 | 16,635 | 25 Mar, 2022 |
| Murray Stahl | - | 0 | 16,227 | 25 Oct, 2021 |
| Rhys J Best | - | 3,299 | 0 | 07 Jan, 2026 |
| Donald G Cook | - | 3,086 | 0 | 07 Jan, 2026 |
| Donna E Epps | - | 2,921 | 0 | 27 Feb, 2026 |
| Barbara J Duganier | - | 2,921 | 0 | 07 Jan, 2026 |
| Karl F Kurz | - | 2,624 | 0 | 07 Jan, 2026 |
| Murray Stahl | - | 0 | 7,452 | 22 Mar, 2022 |
| Murray Stahl | - | 0 | 7,446 | 18 Mar, 2022 |
| Stephanie Buffington | Chief Accounting Officer | 2,133 | 0 | 25 Feb, 2026 |
| Marguerite Woung-Chapman | - | 1,769 | 0 | 07 Jan, 2026 |
| Marguerite Woung-Chapman | - | 1,769 | 0 | 07 Jan, 2026 |
| Marguerite Woung-Chapman | - | 1,769 | 0 | 07 Jan, 2026 |
| Marguerite Woung-Chapman | - | 1,769 | 0 | 07 Jan, 2026 |
| Robert M. Roosa | - | 1,769 | 0 | 07 Jan, 2026 |
| Marguerite Woung-Chapman | - | 1,769 | 0 | 07 Jan, 2026 |
| Marguerite Woung-Chapman | - | 1,769 | 0 | 07 Jan, 2026 |
| Marguerite Woung-Chapman | - | 1,769 | 0 | 07 Jan, 2026 |
| Murray Stahl | - | 0 | 5,001 | 19 Dec, 2023 |
| Murray Stahl | - | 0 | 4,416 | 06 Jul, 2022 |
| Murray Stahl | - | 0 | 4,404 | 01 Jul, 2022 |
| Murray Stahl | - | 0 | 4,332 | 23 Dec, 2021 |
| Murray Stahl | - | 0 | 4,323 | 05 Nov, 2021 |
| Murray Stahl | - | 0 | 4,302 | 27 Oct, 2021 |
| Murray Stahl | - | 0 | 4,122 | 03 Aug, 2021 |
| Murray Stahl | - | 0 | 3,795 | 24 Feb, 2022 |
| Murray Stahl | - | 0 | 3,645 | 22 Dec, 2021 |
| Murray Stahl | - | 0 | 3,585 | 08 Dec, 2021 |
| John R Iii Norris | - | 3,417 | 0 | 03 Jan, 2023 |
| Eric L Oliver | - | 3,267 | 0 | 06 Jan, 2025 |
| Dana F. Mcginnis | - | 3,255 | 0 | 07 Mar, 2022 |
| David E. Barry | - | 1,326 | 0 | 03 Jan, 2023 |
| Robert M. Roosa | - | 0 | 450 | 15 Mar, 2024 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 23 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $436.73 | 3,435,503 | D | P |
| 23 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $436.73 | 3,435,503 | D | P |
| 22 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $437.87 | 3,435,502 | D | P |
| 22 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $437.87 | 3,435,502 | D | P |
| 21 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $441.84 | 3,435,501 | D | P |
| 21 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $441.84 | 3,435,501 | D | P |
| 20 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $427.65 | 3,435,500 | D | P |
| 17 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $419.94 | 3,435,499 | D | P |
| 16 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $424.47 | 3,435,498 | D | P |
| 15 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $419.26 | 3,435,497 | D | P |
| 14 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $413.96 | 3,435,496 | D | P |
| 13 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $414.88 | 3,435,495 | D | P |
| 10 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $407.06 | 3,435,494 | D | P |
| 09 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $401.64 | 3,435,493 | D | P |
| 07 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $447.12 | 3,435,489 | D | P |
| 08 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 3 | $449.00 | 3,435,492 | D | P |
| 06 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $443.42 | 3,461,296 | D | P |
| 02 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $443.26 | 3,461,344 | D | P |
| 01 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $454.04 | 3,461,343 | D | P |
| 31 Mar, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $470.18 | 3,467,937 | D | P |