Mereo BioPharma Group PLC (MREO) intrinsic value & 10-year financials

Mereo BioPharma Group PLC (MREO) has a Graham intrinsic value of $6.33 per share. At $0.30 on Oct 17, 2026, the stock trades 95% below that value. Over the last 5 fiscal years revenue shrank 77.6% a year to $500.0K, with an average return on invested capital of 544.9%.

Graham intrinsic value
$6.33
Share price (Oct 17, 2026)
$0.30
Price vs Graham value
95% below
Market cap
$241.5M
Revenue (FY2025)
$500.0K
Revenue growth (5-yr CAGR)
-77.6%
ROIC (10-yr avg)
544.9%
Free cash flow (FY2025)
-$31.0M

MREO 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $500.0K -$41.9M -$0.05 -$31.0M -8021.4% 919.7%
FY2024 $0 -$43.3M -$0.06 -$32.8M — 647.8%
FY2023 $10.0M -$29.5M -$0.04 -$21.1M -284.2% 262.3%
FY2022 $0 -$42.2M -$0.07 -$48.8M — 349.8%
FY2021 — — — — — —

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

Executive summary

Mereo BioPharma Group plc revenue growth over the past decade is N/A; insufficient history prevents a reliable 10-year CAGR calculation.

Mereo BioPharma Group plc has historically struggled to out-earn its cost of capital, averaging just 5.4% ROIC.

Mereo BioPharma Group plc 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, Mereo BioPharma Group plc is modeled at -77.6% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $6.33 per share.

MREO stock: frequently asked questions

What is the intrinsic value of Mereo BioPharma Group PLC (MREO) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a -77.6% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, MREO's intrinsic value is about $6.33 per share.

Is MREO stock undervalued?

At $0.30 (close on Oct 17, 2026), MREO trades 95% below its Graham value of $6.33. On Graham's terms that leaves a margin of safety. A formula is a starting point for research, not a recommendation.

Does Mereo BioPharma Group PLC generate free cash flow?

Mereo BioPharma Group PLC generated -$31.0M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 0 of the last 4 reported years.

What is MREO's return on invested capital?

Average ROIC over the last 5 fiscal years was 544.9%, and average return on equity was -69.1%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this MREO data come from?

From Mereo BioPharma Group PLC's annual 10-K filings on SEC EDGAR, most recently filed May 12, 2026. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

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