Montauk Renewables, Inc. (MNTK) intrinsic value & 10-year financials

Montauk Renewables, Inc. (MNTK) has no Graham intrinsic value right now because the formula needs positive earnings. Over the last 8 fiscal years revenue grew 9.2% a year to $176.4M, with an average return on invested capital of 5.9%.

Graham intrinsic value
—
Share price (Oct 17, 2026)
$2.14
Market cap
$306.2M
Revenue (FY2025)
$176.4M
Revenue growth (8-yr CAGR)
9.2%
ROIC (10-yr avg)
5.9%
Free cash flow (FY2025)
-$86.2M

MNTK 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $176.4M $1.7M $0.01 -$86.2M 0.5% 0.1%
FY2024 $175.7M $9.7M $0.07 -$18.5M 9.2% 5.0%
FY2023 $174.9M $14.9M $0.11 -$22.0M 13.5% 8.7%
FY2022 $213.4M $35.2M $0.25 $58.8M 20.9% 17.9%
FY2021 $148.1M -$4.5M -$0.03 $32.9M 2.3% 1.6%
FY2020 $100.2M $4.6M — $11.0M 3.6% 0.9%
FY2019 $104.0M $5.8M — -$17.8M 10.6% 7.1%
FY2018 — — — — — —

Source: annual 10-K filings on SEC EDGAR. Figures in USD.

Executive summary

Montauk Renewables, Inc. revenue growth over the past decade is N/A; insufficient history prevents a reliable 10-year CAGR calculation.

Montauk Renewables, Inc. has historically struggled to out-earn its cost of capital, averaging just 5.9% ROIC.

Montauk Renewables, Inc. capital allocation metrics are N/A for the decade; share count and net debt history are incomplete.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, Montauk Renewables, Inc. is modeled at -65.8% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $-1.06 per share.

MNTK stock: frequently asked questions

What is the intrinsic value of Montauk Renewables, Inc. (MNTK) stock?

Graham's formula only works with positive earnings. Montauk Renewables, Inc. reported diluted EPS of $0.01 in fiscal 2025, so no Graham value is shown. The 10-year table shows revenue and cash-flow trends instead.

Does Montauk Renewables, Inc. generate free cash flow?

Montauk Renewables, Inc. generated -$86.2M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 3 of the last 7 reported years.

What is MNTK's return on invested capital?

Average ROIC over the last 8 fiscal years was 5.9%, and average return on equity was 4.6%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this MNTK data come from?

From Montauk Renewables, Inc.'s annual 10-K filings on SEC EDGAR. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

Similar gas & other services combined stocks