Filing Flows › Montauk Renewables (MNTK) › Who owns the stock
Who owns Montauk Renewables (MNTK) stock
83 funds reported Montauk Renewables (MNTK) shares in their latest 13F filings, worth $39.8M in all. The largest holder is BlackRock ($7.3M). Last quarter 45 funds added to their stakes and 37 cut them.
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| BlackRock | 4,709,893 | $7.3M | increase | 2026-06-30 |
| Vanguard Group | 3,528,926 | $5.9M | decrease | 2025-12-31 |
| Vanguard Capital Management LLC | 2,706,900 | $4.2M | increase | 2026-06-30 |
| Geode Capital Management, LLC | 1,879,292 | $2.9M | increase | 2026-06-30 |
| Baader Bank Aktiengesellschaft | 1,605,000 | $2.5M | unchanged | 2026-06-30 |
| Barclays | 819,052 | $2.2M | decrease | 2026-09-30 |
| State Street | 1,369,693 | $2.1M | increase | 2026-06-30 |
| American Century Companies | 950,442 | $1.5M | decrease | 2026-06-30 |
| Hosking Partners LLP | 370,553 | $1.0M | decrease | 2026-09-30 |
| Charles Schwab Investment Management | 539,334 | $841K | increase | 2026-06-30 |
| Northern Trust | 536,057 | $836K | increase | 2026-06-30 |
| Vanguard Portfolio Management LLC | 469,053 | $732K | increase | 2026-06-30 |
| Dimensional Fund Advisors LP | 448,818 | $700K | decrease | 2026-06-30 |
| Vanguard Fiduciary Trust | 438,777 | $684K | increase | 2026-06-30 |
| First Trust Advisors LP | 381,889 | $596K | increase | 2026-06-30 |
Montauk Renewables' latest quarter
Montauk Renewables, Q2 2026: revenue $54.0M (+20% year over year), operating margin -0.1%, net earnings $226K, operating cash flow $14.6M. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most MNTK stock?
By the latest 13F filings: BlackRock ($7.3M); Vanguard Group ($5.9M); Vanguard Capital Management LLC ($4.2M); Geode Capital Management, LLC ($2.9M); Baader Bank Aktiengesellschaft ($2.5M).
What is the short interest in MNTK?
1,466,550 shares were sold short at the 2026-10-15 settlement, -23.38% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.