Serina Therapeutics, Inc. (SER) intrinsic value & 10-year financials

Serina Therapeutics, Inc. (SER) has a Graham intrinsic value of $70.79 per share. At $1.72 on Oct 17, 2026, the stock trades 98% below that value. Over the last 10 fiscal years revenue shrank 25.7% a year to $130.0K, with an average return on invested capital of -757.5%.

Graham intrinsic value
$70.79
Share price (Oct 17, 2026)
$1.72
Price vs Graham value
98% below
Market cap
$17.5M
Revenue (FY2025)
$130.0K
Revenue growth (10-yr CAGR)
-25.7%
ROIC (10-yr avg)
-757.5%
Free cash flow (FY2025)
-$18.0M

SER 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $130.0K -$19.2M -$1.91 -$18.0M -18478.5% 848.8%
FY2024 $56.0K -$11.1M -$1.51 -$17.2M -30442.9% -1207.8%
FY2023 $142.0K -$14.8M -$0.00 -$8.3M -6962.7% -337.8%
FY2022 $34.0K -$10.5M -$0.00 — -20514.7% -1987.1%
FY2021 $144.0K -$8.7M — — -5509.0% -1103.7%
FY2020 $1.9M -$10.9M — -$7.8M -571.3% —
FY2019 $1.7M -$12.2M — -$10.8M -726.8% —
FY2018 $1.4M -$7.5M — -$8.0M -805.5% —
FY2017 $1.4M -$6.6M — -$6.3M -474.6% —
FY2016 — — — — — —

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

Executive summary

Serina Therapeutics, Inc. revenue growth over the past decade is N/A; insufficient history prevents a reliable 10-year CAGR calculation.

Serina Therapeutics, Inc. has historically struggled to out-earn its cost of capital, averaging just -7.6% ROIC.

Serina Therapeutics, 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, Serina Therapeutics, Inc. is modeled at -25.7% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $70.79 per share.

SER stock: frequently asked questions

What is the intrinsic value of Serina Therapeutics, Inc. (SER) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a -25.7% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, SER's intrinsic value is about $70.79 per share.

Is SER stock undervalued?

At $1.72 (close on Oct 17, 2026), SER trades 98% below its Graham value of $70.79. On Graham's terms that leaves a margin of safety. A formula is a starting point for research, not a recommendation.

Does Serina Therapeutics, Inc. generate free cash flow?

Serina Therapeutics, Inc. generated -$18.0M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 0 of the last 7 reported years.

What is SER's return on invested capital?

Average ROIC over the last 10 fiscal years was -757.5%, and average return on equity was -645.1%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this SER data come from?

From Serina Therapeutics, Inc.'s annual 10-K filings on SEC EDGAR, most recently filed Aug 13, 2026. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

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