Which has grown faster, IBRX or RGEN?

Over the past five years, IBRX grew revenue faster — IBRX at a 202.97% CAGR versus RGEN at 9.08%.

Is IBRX or RGEN more profitable?

RGEN runs the higher net margin — IBRX at -598.56% versus RGEN at 5.29%.

How have IBRX and RGEN total returns compared?

Over the past 10 years, IBRX delivered 2.95% and RGEN delivered 20.13% annualized total return. Past performance doesn't predict future results.

ImmunityBio, Inc. (IBRX) vs Repligen Corporation (RGEN)

A side-by-side comparison of ImmunityBio, Inc. and Repligen Corporation 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.

IBRX

ImmunityBio, Inc.

$10.15B

$9.69HealthcareDelayed quote: Oct 6, 2026, 4:00 PM EDT

RGEN

Repligen Corporation

$9.87B

$174.86HealthcareDelayed quote: Oct 6, 2026, 4:00 PM EDT

Total return — IBRX vs RGEN

growth of $100 · dividends reinvested · last 10y

IBRX +41.8% (+3.6%/yr)RGEN +528.7% (+20.2%/yr)RGEN compounded faster over this window

IBRX RGEN

IBRX vs RGEN: by the numbers

•IBRX is the larger company ($10.15B vs $9.87B market cap).
•RGEN is profitable (5.29% net margin) while IBRX runs a net loss (-598.56%).
•IBRX grew revenue faster over the past five years (202.97% vs 9.08% CAGR).

Metrics side by side

Valuation

Metric	IBRX	RGEN
P/E ratio	N/A	239.53
Forward P/E	N/A	84.92
P/S ratio	61.21	12.57
P/B ratio	N/A	4.67
EV / EBITDA	N/A	67.03
FCF yield	N/A	1.12%

Profitability

Metric	IBRX	RGEN
Gross margin	94.63%	51.05%
Operating margin	-226.00%	8.32%
Net margin	-598.56%	5.29%
ROE	N/A	1.97%
ROIC	-45.63%	1.85%

Growth (annualized)

Metric	IBRX	RGEN
Revenue CAGR (5Y)	202.97%	9.08%
EPS CAGR (5Y)	N/A	-5.26%
FCF CAGR (5Y)	N/A	22.49%
Total return CAGR (5Y)	0.39%	-6.86%

Frequently asked

Which has grown faster, IBRX or RGEN?: Over the past five years, IBRX grew revenue faster — IBRX at a 202.97% CAGR versus RGEN at 9.08%.
Is IBRX or RGEN more profitable?: RGEN runs the higher net margin — IBRX at -598.56% versus RGEN at 5.29%.
How have IBRX and RGEN total returns compared?: Over the past 10 years, IBRX delivered 2.95% and RGEN delivered 20.13% annualized total return. Past performance doesn't predict future results.

Go deeper

Full IBRX analysis Full RGEN analysis Interactive comparison tool

Dig into the metrics

Repligen P/E ratio ImmunityBio ROE Repligen ROE ImmunityBio operating margin Repligen operating margin ImmunityBio revenue growth Repligen revenue growth ImmunityBio free cash flow Repligen free cash flow

ImmunityBio & Repligen appear in these rankings

Fastest Revenue Growth Stocks Highest 10-Year Total Return Stocks

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.