Montauk Renewables (MNTK)
Turns landfill and farm waste into renewable natural gas, electricity, and environmental credits.
$2.29
vs last close−0.31 (−11.75%)
Something off on this page? Send us feedback.
13F · 13D/G · Form 4
| Institutions | 15.41% | 21.93M shares | |
|---|---|---|---|
| 93 holders · as of Jun 30, 2026 | |||
| Insiders | 14.17% | 20.17M shares | |
| 7 holders · as of May 22, 2026 | |||
| Strategic holders | 15.66% | 22.30M shares | |
| 1 holder · as of Nov 10, 2025 | |||
| Other | 54.76% | 77.94M shares | |
| remainder | |||
142.34M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
13F, as of Jun 30, 2026
93 holders · 21.93M shares · 15 new positions · 53 increased · 26 reduced · 15 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 4.71M | 3.31% | +490.9K | Aug 7, 2026 |
| Vanguard Capital Management LLC | 2.71M | 1.90% | +18.2K | Aug 13, 2026 |
| Geode Capital Management, LLC | 1.88M | 1.32% | +120.0K | Aug 12, 2026 |
| Baader Bank Aktiengesellschaft | 1.61M | 1.13% | 0 | Jul 23, 2026 |
| State Street Corp | 1.37M | 0.96% | +4.2K | Aug 7, 2026 |
| Barclays PLC | 953.5K | 0.67% | −85.4K | Aug 14, 2026 |
| American Century Companies Inc | 950.4K | 0.67% | −4.0K | Aug 12, 2026 |
| Sixth Street Partners Management Company, L.P. | 539.3K | 0.38% | +539.3Knew | Aug 14, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Aktiv Investment Management (Pty) Ltd | 15.70% | 22.30M | 13D | Nov 10, 2025 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| May 11, 2026 | John A. Copelyndirector | Purchase | 17,506 | $1.45 | 17,506 |
House and Senate disclosures
Not reported.