Serina Therapeutics, Inc. key statistics and ratios

In fiscal 2025, Serina Therapeutics, Inc. had an operating margin of -18478.5% and a current ratio of 1.71. Each ratio below is calculated from the figures on its income statement, balance sheet and cash flow pages.

Financial ratios

US$ thousands unless shown otherwise. Fiscal years, plus the last twelve months (LTM) when newer.

Serina Therapeutics, Inc.: financial ratios, annual
Fiscal year	2017Dec 2017	2018Dec 2018	2019Dec 2019	2020Dec 2020	2021Dec 2021	2022Dec 2022	2023Dec 2023	2024Dec 2024	2025Dec 2025
Gross margin	88.0%	73.9%	85.9%	92.8%	86.8%	61.8%	3.2%	—	—
Operating margin	−474.6%	−805.5%	−726.8%	<−999%	<−999%	<−999%	−99.2%	<−999%	<−999%
Net margin	−468.7%	−537.4%	−703.4%	<−999%	<−999%	<−999%	167.1%	<−999%	<−999%
Free-cash-flow margin	−447.7%	−574.2%	−625.1%	<−999%	—	—	−94.5%	<−999%	<−999%
Return on equity	−90.4%	−101.9%	—	—	—	—	—	—	—
Return on assets	−68.3%	−73.9%	−134.2%	−191.2%	−245.1%	−327.2%	86.3%	−142.0%	−280.5%
Asset turnover	0.15	0.14	0.19	0.06	0.04	0.01	0.52	0.01	0.02
Current ratio	—	3.22	1.23	0.43	0.25	0.24	5.39	2.40	1.71
Debt to equity	0.0%	0.0%	0.0%	—	—	—	—	0.0%	—
Interest cover (operating income ÷ interest)	—	—	—	—	n/m	n/m	n/m	n/m	n/m
Effective tax rate	—	—	—	—	—	—	0.0%	—	—
R&D as % of revenue	412.0%	417.6%	341.7%	>999%	>999%	>999%	75.7%	>999%	>999%
Capital spending as % of revenue	0.1%	1.5%	37.1%	5.5%	—	—	16.0%	39.3%	45.4%
Free cash flow ÷ net income	—	—	—	—	—	—	−56.6%	—	—

US$ thousands unless shown otherwise. Fiscal quarters.

Serina Therapeutics, Inc.: financial ratios, quarterly
Quarter	2024 Q2Jun 2024	2024 Q3Sept 2024	2024 Q4Dec 2024	2025 Q1Mar 2025	2025 Q2Jun 2025	2025 Q3Sept 2025	2025 Q4Dec 2025	2026 Q2Jun 2026
Operating margin	<−999%	<−999%	—	—	<−999%	—	—	—
Net margin	>999%	>999%	—	—	<−999%	—	—	—
Free-cash-flow margin	<−999%	<−999%	—	—	<−999%	—	—	—
Current ratio	0.71	0.40	2.40	2.45	2.24	1.31	1.71	6.65
R&D as % of revenue	>999%	>999%	—	—	>999%	—	—	—

Returns use average equity or assets over the year. Return on equity is left blank when equity is negative or so small that the ratio says nothing (above ±200%); interest cover is left blank above 200 times. Price-based ratios such as P/E are on the valuation page.

Financial health

2 of 2 checks passed · June 30, 2026

What it owns · $26m

Short-term assets $25mLonger-term assets $1m

What it owes, and who funded it · $26m

Short-term liabilities $4mLonger-term liabilities $3mShareholders' equity $19m

Short-term assets cover short-term liabilities $25m of assets due within a year against $4m of liabilities due within a year.
Short-term assets cover long-term liabilities $25m short-term assets against $3m of longer-dated liabilities.
More cash than debt Cash or debt not separately reported. Not assessable.
Debt below 40% of shareholders' equity Equity or debt not reported. Not assessable.
Debt burden no higher than five years ago Five-year comparison not available. Not assessable.
A year's operating cash flow covers at least 20% of debt Cash flow or debt not reported. Not assessable.
Operating profit covers interest at least five times over Interest not separately reported. Not assessable.

From Serina Therapeutics, Inc.'s latest balance sheet as filed. Checks are fixed, documented rules (methodology), counted only where the company reports the figures — a dot means the filing doesn't break the item out. Descriptions of reported data, not advice.

Moat

32 /100

Weak moat

How hard Serina Therapeutics's competitive advantage looks for rivals to wear away, judged from 8 years of its own filings: returns on capital, pricing power, profit durability, cash conversion and discipline.

Returns on capital 0 / 20

Net income has been a median -126.8% of total assets over 8 years.
Pricing power 12 / 20

Gross margin has been a median 79.9%, moving by 30.4 percentage points (standard deviation) across 6 years.
Durability 10 / 20

Operating margin has been a median -4153.4%; its worst year was -30442.9%.

AI disruption exposure: Medium. In this industry, AI could change how the product is made or sold, without replacing the core asset. The score above includes a 5-point deduction for that exposure (37 before it).

A rules-based reading of reported figures, not a forecast and not investment advice. How the score is built: methodology.

Compare with peers

Head to head: CLDX vs SER IBIO vs SER LSTA vs SER

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Figures from Serina Therapeutics, Inc.'s SEC filings (10-K and 10-Q), retrieved November 1, 2026. How we read and check them: methodology and data sources. Not investment advice. Back to Serina Therapeutics, Inc.