Plexus Corp. (PLXS) intrinsic value & 10-year financials

Plexus Corp. (PLXS) has a Graham intrinsic value of $132.32 per share. At $230.47 on Oct 17, 2026, the stock trades 74% above that value. Over the last 10 fiscal years revenue grew 5.2% a year to $4.0B, with an average return on invested capital of 15.2%.

Graham intrinsic value
$132.32
Share price (Oct 17, 2026)
$230.47
Price vs Graham value
74% above
Market cap
$6.4B
Revenue (FY2025)
$4.0B
Revenue growth (10-yr CAGR)
5.2%
ROIC (10-yr avg)
15.2%
Free cash flow (FY2025)
$154.0M

PLXS 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $4.0B $172.9M $6.26 $154.0M 5.0% 16.4%
FY2024 $4.1B $111.8M $4.01 $341.3M 4.1% 13.9%
FY2023 $4.3B $139.1M $4.95 $61.8M 4.5% 17.5%
FY2022 $3.9B $138.2M $4.86 -$127.9M 4.5% 18.0%
FY2021 $3.5B $138.9M $4.76 $85.5M 5.1% 20.4%
FY2020 $3.5B $117.5M $3.93 $160.3M 4.4% 16.7%
FY2019 $3.3B $108.6M $3.50 $24.7M 4.3% 14.1%
FY2018 $2.9B $13.0M $0.38 $4.1M 4.1% 7.5%
FY2017 $2.5B $112.1M $3.24 $133.2M 5.1% 15.8%
FY2016 $2.6B $76.4M $2.24 $96.6M 3.9% 11.7%

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

Executive summary

PLEXUS CORP has demonstrated mature, steady growth, with revenue compounding at 5.2% annually over the past decade.

PLEXUS CORP has earned high returns on invested capital, averaging 15.2% ROIC over the available history. High ROIC is consistent with a durable franchise, but it is not by itself proof of an economic moat.

Over the decade, PLEXUS CORP shows that management has aggressively returned capital to shareholders by retiring 19.0% of outstanding shares.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, PLEXUS CORP is modeled at 8.0% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $132.32 per share.

PLXS stock: frequently asked questions

What is the intrinsic value of Plexus Corp. (PLXS) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a 8.0% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, PLXS's intrinsic value is about $132.32 per share.

Is PLXS stock undervalued?

At $230.47 (close on Oct 17, 2026), PLXS trades 74% above its Graham value of $132.32. On Graham's terms the shares look fully priced. A formula is a starting point for research, not a recommendation.

How fast has Plexus Corp. grown?

Revenue went from $2.6B in fiscal 2016 to $4.0B in fiscal 2025, a compound annual growth rate of 5.2%. Net income was $172.9M in fiscal 2025.

Does Plexus Corp. generate free cash flow?

Plexus Corp. generated $154.0M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 9 of the last 10 reported years.

What is PLXS's return on invested capital?

Average ROIC over the last 10 fiscal years was 15.2%, and average return on equity was 10.6%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this PLXS data come from?

From Plexus Corp.'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.

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