Montauk Renewables Inc (MNTK)
Basic Materials
Specialty Chemicals
—
1.70 $
-6.6%
vs. previous close
Closing price · As of: 31. Jul 2026
Who owns Montauk Renewables Inc (MNTK)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 45.9% of the shares are freely tradable; institutional investors hold 17.3%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
17.3%
Insiders
Share of the stock held by the executives, founders and major shareholders of the company itself.
70.1%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
45.9%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
2.7%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
142Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 2.96 | 4,218,997 | -2.4 | 03/31/2026 |
| Vanguard Group Inc | 2.48 | 3,528,926 | -10.7 | 12/31/2025 |
| Vanguard Capital Management, LLC | 1.89 | 2,688,714 | +0.0 | 03/31/2026 |
| Geode Capital Management, LLC | 1.24 | 1,759,278 | +2.0 | 03/31/2026 |
| Baader Bank INC | 1.13 | 1,605,000 | +0.0 | 03/31/2026 |
| State Street Corp | 0.96 | 1,365,473 | -1.5 | 03/31/2026 |
| Barclays PLC | 0.73 | 1,038,917 | +849.9 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Investec BCI Dynamic Equity B | 2.17 | 3,092,397 | +20.9 | 03/31/2026 |
| Vanguard Total Stock Mkt Idx Inv | 1.33 | 1,900,119 | +0.0 | 04/30/2026 |
| iShares Russell 2000 ETF | 1.07 | 1,526,186 | +0.9 | 05/29/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.