Energy FOCUS, Inc. (EFOI) intrinsic value & 10-year financials

Energy FOCUS, Inc. (EFOI) has a Graham intrinsic value of $5.32 per share. At $2.60 on Oct 17, 2026, the stock trades 51% below that value. Over the last 10 fiscal years revenue shrank 21.4% a year to $3.6M, with an average return on invested capital of -155.9%.

Graham intrinsic value
$5.32
Share price (Oct 17, 2026)
$2.60
Price vs Graham value
51% below
Market cap
$14.4M
Revenue (FY2025)
$3.6M
Revenue growth (10-yr CAGR)
-21.4%
ROIC (10-yr avg)
-155.9%
Free cash flow (FY2025)
-$1.5M

EFOI 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $3.6M -$1.0M -$0.18 -$1.5M -28.8% -35.8%
FY2024 $4.9M -$1.6M -$0.32 -$1.3M -37.9% -75.6%
FY2023 $5.7M -$4.3M — -$2.5M -69.5% -286.8%
FY2022 $6.0M -$10.3M — -$6.8M -155.7% -458.7%
FY2021 $9.9M -$7.9M — -$10.2M -88.3% -276.8%
FY2020 $16.8M -$6.0M — -$2.7M -24.2% -111.5%
FY2019 $12.7M -$7.4M — -$6.8M -54.7% -152.7%
FY2018 $18.1M -$9.1M — -$6.9M -50.2% -59.9%
FY2017 $19.8M -$11.3M -$0.95 -$6.0M -56.8% -45.4%
FY2016 $31.0M -$16.9M -$1.45 -$18.2M -54.3% -56.2%

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

Executive summary

ENERGY FOCUS, INC/DE is facing top-line stagnation, with revenue contracting over the decade.

ENERGY FOCUS, INC/DE has historically struggled to out-earn its cost of capital, averaging just -39.6% ROIC.

Over the decade, ENERGY FOCUS, INC/DE shows that management has aggressively returned capital to shareholders by retiring 52.4% of outstanding shares.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, ENERGY FOCUS, INC/DE is modeled at -21.4% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $5.32 per share.

EFOI stock: frequently asked questions

What is the intrinsic value of Energy FOCUS, Inc. (EFOI) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a -21.4% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, EFOI's intrinsic value is about $5.32 per share.

Is EFOI stock undervalued?

At $2.60 (close on Oct 17, 2026), EFOI trades 51% below its Graham value of $5.32. On Graham's terms that leaves a margin of safety. A formula is a starting point for research, not a recommendation.

How fast has Energy FOCUS, Inc. grown?

Revenue went from $31.0M in fiscal 2016 to $3.6M in fiscal 2025, a compound annual growth rate of -21.4%. Net income was -$1.0M in fiscal 2025.

Does Energy FOCUS, Inc. generate free cash flow?

Energy FOCUS, Inc. generated -$1.5M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 0 of the last 10 reported years.

What is EFOI's return on invested capital?

Average ROIC over the last 10 fiscal years was -155.9%, and average return on equity was -133.0%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this EFOI data come from?

From Energy FOCUS, Inc.'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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