Natural Alternatives International Inc. (NAII) intrinsic value & 10-year financials

Natural Alternatives International Inc. (NAII) has a Graham intrinsic value of $4.22 per share. At $1.15 on Oct 17, 2026, the stock trades 73% below that value. Over the last 10 fiscal years revenue grew 1.4% a year to $129.9M, with an average return on invested capital of 8.9%.

Graham intrinsic value
$4.22
Share price (Oct 17, 2026)
$1.15
Price vs Graham value
73% below
Market cap
$6.8M
Revenue (FY2025)
$129.9M
Revenue growth (10-yr CAGR)
1.4%
ROIC (10-yr avg)
8.9%
Free cash flow (FY2025)
$2.3M

NAII 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $129.9M -$13.6M -$2.28 $2.3M -6.7% -7.9%
FY2024 $113.8M -$7.2M -$1.23 -$4.5M -7.5% -6.2%
FY2023 $154.0M $2.5M $0.43 -$6.5M 3.1% 3.7%
FY2022 $171.0M $10.7M $1.74 -$14.6M 8.0% 14.0%
FY2021 $178.5M $10.8M $1.69 $15.7M 7.7% 19.6%
FY2020 $118.9M -$1.6M -$0.25 -$850.0K -1.3% -2.6%
FY2019 $138.3M $6.5M $0.92 $1.2M 4.3% 10.2%
FY2018 $132.4M $5.1M $0.73 -$2.2M 7.2% 12.2%
FY2017 $121.9M $7.2M $1.09 $8.8M 8.0% 20.6%
FY2016 $114.2M $9.5M $1.44 -$1.2M 10.7% 25.4%

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

Executive summary

NATURAL ALTERNATIVES INTERNATIONAL INC has demonstrated mature, steady growth, with revenue compounding at 1.4% annually over the past decade.

NATURAL ALTERNATIVES INTERNATIONAL INC returns on capital have been average, hovering around 8.9% ROIC over the decade.

Over the decade, NATURAL ALTERNATIVES INTERNATIONAL INC shows that management has aggressively returned capital to shareholders by retiring 10.5% of outstanding shares, and that the company has leveraged its balance sheet to sustain operations.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, NATURAL ALTERNATIVES INTERNATIONAL INC is modeled at 1.4% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $4.22 per share.

NAII stock: frequently asked questions

What is the intrinsic value of Natural Alternatives International Inc. (NAII) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a 1.4% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, NAII's intrinsic value is about $4.22 per share.

Is NAII stock undervalued?

At $1.15 (close on Oct 17, 2026), NAII trades 73% below its Graham value of $4.22. On Graham's terms that leaves a margin of safety. A formula is a starting point for research, not a recommendation.

How fast has Natural Alternatives International Inc. grown?

Revenue went from $114.2M in fiscal 2016 to $129.9M in fiscal 2025, a compound annual growth rate of 1.4%. Net income was -$13.6M in fiscal 2025.

Does Natural Alternatives International Inc. generate free cash flow?

Natural Alternatives International Inc. generated $2.3M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 4 of the last 10 reported years.

What is NAII's return on invested capital?

Average ROIC over the last 10 fiscal years was 8.9%, and average return on equity was 4.8%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this NAII data come from?

From Natural Alternatives International Inc.'s annual 10-K filings on SEC EDGAR, most recently filed May 19, 2026. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

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