Korro Bio, Inc. (KRRO) intrinsic value & 10-year financials

Korro Bio, Inc. (KRRO) has a Graham intrinsic value of $387.83 per share. At $8.49 on Oct 17, 2026, the stock trades 98% below that value. Over the last 10 fiscal years revenue shrank 22.3% a year to $6.4M, with an average return on invested capital of -54.9%.

Graham intrinsic value
$387.83
Share price (Oct 17, 2026)
$8.49
Price vs Graham value
98% below
Market cap
$79.8M
Revenue (FY2025)
$6.4M
Revenue growth (10-yr CAGR)
-22.3%
ROIC (10-yr avg)
-54.9%
Free cash flow (FY2025)
-$79.1M

KRRO 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $6.4M -$117.3M -$12.48 -$79.1M -1906.4% -111.4%
FY2024 $2.3M -$83.6M -$9.37 -$78.0M -4047.1% -100.3%
FY2023 $0 -$81.2M -$8.85 -$75.1M — -270.8%
FY2022 $0 -$81.6M -$6.32 — — -153.2%
FY2021 $14.1M -$84.7M — -$79.0M -597.3% -201.0%
FY2020 $37.0M -$26.5M — -$51.9M -74.5% 184.4%
FY2019 $28.9M -$18.7M — $33.2M -71.4% 33.7%
FY2018 — -$19.2M — -$17.5M — 21.3%
FY2017 — -$20.2M — -$16.5M — 103.0%
FY2016 — — — — — —

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

Executive summary

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

Korro Bio, Inc. has historically struggled to out-earn its cost of capital, averaging just -20.2% ROIC.

Korro Bio, 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, Korro Bio, Inc. is modeled at -22.3% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $387.83 per share.

KRRO stock: frequently asked questions

What is the intrinsic value of Korro Bio, Inc. (KRRO) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a -22.3% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, KRRO's intrinsic value is about $387.83 per share.

Is KRRO stock undervalued?

At $8.49 (close on Oct 17, 2026), KRRO trades 98% below its Graham value of $387.83. On Graham's terms that leaves a margin of safety. A formula is a starting point for research, not a recommendation.

Does Korro Bio, Inc. generate free cash flow?

Korro Bio, Inc. generated -$79.1M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 1 of the last 8 reported years.

What is KRRO's return on invested capital?

Average ROIC over the last 10 fiscal years was -54.9%, and average return on equity was -28.6%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this KRRO data come from?

From Korro Bio, Inc.'s annual 10-K filings on SEC EDGAR, most recently filed Aug 6, 2026. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

Similar pharmaceutical preparations stocks