Which has grown faster, AUID or BLIN?

Over the past five years, BLIN grew revenue faster — AUID at a -6.33% CAGR versus BLIN at 5.67%.

How have AUID and BLIN total returns compared?

Over the past 5 years, AUID delivered -64.74% and BLIN delivered -25.69% annualized total return. Past performance doesn't predict future results.

authID Inc. (AUID) vs Bridgeline Digital, Inc. (BLIN)

A side-by-side comparison of authID Inc. and Bridgeline Digital, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.

AUID

authID Inc.

$8M

$0.50TechnologyDelayed quote: Oct 5, 2026, 4:00 PM EDT

BLIN

Bridgeline Digital, Inc.

$11M

$0.88TechnologyDelayed quote: Oct 5, 2026, 4:00 PM EDT

Total return — AUID vs BLIN

growth of $100 · dividends reinvested · last 5y

AUID -99.3% (-63.4%/yr)BLIN -68.6% (-20.7%/yr)BLIN compounded faster over this window

Log scale — wide-divergence pair

AUID BLIN

AUID vs BLIN: by the numbers

•BLIN is the larger company ($11M vs $8M market cap).
•Both run net losses; BLIN's is the smaller (-8.65% vs -1450.38% net margin).
•BLIN grew revenue faster over the past five years (5.67% vs -6.33% CAGR).

Metrics side by side

Valuation

Metric	AUID	BLIN
Forward P/E	N/A	7.31
P/S ratio	6.61	0.71
P/B ratio	4.11	1.24

Profitability

Metric	AUID	BLIN
Gross margin	98.16%	63.92%
Operating margin	-889.59%	-9.54%
Net margin	-1450.38%	-8.65%
ROE	-902.23%	-15.19%
ROIC	-304.90%	-14.48%

Growth (annualized)

Metric	AUID	BLIN
Revenue CAGR (5Y)	-6.33%	5.67%
Total return CAGR (5Y)	-64.74%	-25.69%

Frequently asked

Which has grown faster, AUID or BLIN?: Over the past five years, BLIN grew revenue faster — AUID at a -6.33% CAGR versus BLIN at 5.67%.
How have AUID and BLIN total returns compared?: Over the past 5 years, AUID delivered -64.74% and BLIN delivered -25.69% annualized total return. Past performance doesn't predict future results.

Go deeper

Full AUID analysis Full BLIN analysis Interactive comparison tool

Dig into the metrics

authID ROE Bridgeline Digital ROE authID operating margin Bridgeline Digital operating margin authID revenue growth Bridgeline Digital revenue growth authID free cash flow Bridgeline Digital free cash flow

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified October 6, 2026.