Lightpath Technologies Inc. (LPTH) intrinsic value & 10-year financials

Lightpath Technologies Inc. (LPTH) has a Graham intrinsic value of $0.63 per share. At $7.66 on Oct 17, 2026, the stock trades 1116% above that value. Over the last 10 fiscal years revenue grew 8.9% a year to $37.2M, with an average return on invested capital of -5.0%.

Graham intrinsic value
$0.63
Share price (Oct 17, 2026)
$7.66
Price vs Graham value
1116% above
Market cap
$313.1M
Revenue (FY2025)
$37.2M
Revenue growth (10-yr CAGR)
8.9%
ROIC (10-yr avg)
-5.0%
Free cash flow (FY2025)
-$9.6M

LPTH 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $37.2M -$14.9M -$0.36 -$9.6M -31.8% -39.4%
FY2024 $31.7M -$8.0M -$0.21 -$1.7M -24.7% -20.3%
FY2023 $32.9M -$4.0M -$0.13 -$5.9M -10.8% -9.1%
FY2022 $35.6M -$3.5M -$0.13 -$162.5K -7.4% -6.9%
FY2021 $38.5M -$3.2M -$0.12 $1.6M -4.8% -5.0%
FY2020 $35.0M $866.9K $0.03 $1.3M 6.1% 3.3%
FY2019 $33.7M -$2.7M -$0.10 -$1.5M -3.4% -3.3%
FY2018 $32.5M $1.1M $0.04 $101.3K 1.1% 1.1%
FY2017 $28.4M $7.7M $0.36 $2.8M 14.6% 13.1%
FY2016 $17.3M $1.4M $0.08 $394.6K 11.6% 16.1%

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

Executive summary

LIGHTPATH TECHNOLOGIES INC is a consistent compounder, expanding top-line revenue at 8.9% annually over the past decade.

LIGHTPATH TECHNOLOGIES INC has historically struggled to out-earn its cost of capital, averaging just -5.0% ROIC.

LIGHTPATH TECHNOLOGIES INC has not shown aggressive share repurchases (>10% retirement) or a major balance-sheet leverage increase (>50% net debt growth) over the 10-year window.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, LIGHTPATH TECHNOLOGIES INC is modeled at 8.0% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $0.63 per share.

LPTH stock: frequently asked questions

What is the intrinsic value of Lightpath Technologies Inc. (LPTH) 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, LPTH's intrinsic value is about $0.63 per share.

Is LPTH stock undervalued?

At $7.66 (close on Oct 17, 2026), LPTH trades 1116% above its Graham value of $0.63. On Graham's terms the shares look fully priced. A formula is a starting point for research, not a recommendation.

How fast has Lightpath Technologies Inc. grown?

Revenue went from $17.3M in fiscal 2016 to $37.2M in fiscal 2025, a compound annual growth rate of 8.9%. Net income was -$14.9M in fiscal 2025.

Does Lightpath Technologies Inc. generate free cash flow?

Lightpath Technologies Inc. generated -$9.6M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 5 of the last 10 reported years.

What is LPTH's return on invested capital?

Average ROIC over the last 10 fiscal years was -5.0%, and average return on equity was -7.3%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this LPTH data come from?

From Lightpath Technologies Inc.'s annual 10-K filings on SEC EDGAR, most recently filed May 7, 2026. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

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