Protalix BioTherapeutics, Inc. (PLX) intrinsic value & 10-year financials

Protalix BioTherapeutics, Inc. (PLX) has a Graham intrinsic value of $1.33 per share. At $2.62 on Oct 17, 2026, the stock trades 97% above that value. Over the last 10 fiscal years revenue grew 21.4% a year to $52.7M, with an average return on invested capital of -6.8%.

Graham intrinsic value
$1.33
Share price (Oct 17, 2026)
$2.62
Price vs Graham value
97% above
Market cap
$205.8M
Revenue (FY2025)
$52.7M
Revenue growth (10-yr CAGR)
21.4%
ROIC (10-yr avg)
-6.8%
Free cash flow (FY2025)
-$13.6M

PLX 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $52.7M -$6.6M -$0.08 -$13.6M -10.4% -16.2%
FY2024 $53.4M $2.9M $0.04 $7.4M 7.3% 13.2%
FY2023 $65.5M $8.3M $0.09 -$2.5M 16.0% -224.9%
FY2022 $47.6M -$14.9M -$0.31 -$25.6M -27.3% 40.5%
FY2021 $38.4M -$27.6M -$0.62 -$11.7M -53.4% 71.3%
FY2020 $62.9M -$6.5M -$0.22 -$26.8M 4.3% 11.2%
FY2019 $54.7M -$18.3M -$0.61 -$20.0M -19.6% 21.5%
FY2018 $34.2M -$26.5M — -$8.4M -56.4% 29.2%
FY2017 $19.2M -$85.3M — -$11.0M -188.9% —
FY2016 $9.2M -$29.4M — -$32.9M -360.5% —

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

Executive summary

Protalix BioTherapeutics, Inc. is a consistent compounder, expanding top-line revenue at 21.4% annually over the past decade.

Protalix BioTherapeutics, Inc. has earned high returns on invested capital, averaging 21.1% ROIC over the available history. High ROIC is consistent with a durable franchise, but it is not by itself proof of an economic moat.

Protalix BioTherapeutics, 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, Protalix BioTherapeutics, Inc. is modeled at 15.0% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $1.33 per share.

PLX stock: frequently asked questions

What is the intrinsic value of Protalix BioTherapeutics, Inc. (PLX) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a 15.0% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, PLX's intrinsic value is about $1.33 per share.

Is PLX stock undervalued?

At $2.62 (close on Oct 17, 2026), PLX trades 97% above its Graham value of $1.33. On Graham's terms the shares look fully priced. A formula is a starting point for research, not a recommendation.

How fast has Protalix BioTherapeutics, Inc. grown?

Revenue went from $9.2M in fiscal 2016 to $52.7M in fiscal 2025, a compound annual growth rate of 21.4%. Net income was -$6.6M in fiscal 2025.

Does Protalix BioTherapeutics, Inc. generate free cash flow?

Protalix BioTherapeutics, Inc. generated -$13.6M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 1 of the last 10 reported years.

What is PLX's return on invested capital?

Average ROIC over the last 10 fiscal years was -6.8%, and average return on equity was 122.6%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this PLX data come from?

From Protalix BioTherapeutics, Inc.'s annual 10-K filings on SEC EDGAR, most recently filed Aug 12, 2026. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

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