vs

Side-by-side financial comparison of Portillo's Inc. (PTLO) and REPLIGEN CORP (RGEN). Click either name above to swap in a different company.

REPLIGEN CORP is the larger business by last-quarter revenue ($197.9M vs $185.7M, roughly 1.1× Portillo's Inc.). REPLIGEN CORP runs the higher net margin — 6.7% vs 3.4%, a 3.3% gap on every dollar of revenue. On growth, REPLIGEN CORP posted the faster year-over-year revenue change (13.6% vs 0.6%). REPLIGEN CORP produced more free cash flow last quarter ($17.6M vs $-9.2M). Over the past eight quarters, REPLIGEN CORP's revenue compounded faster (14.4% CAGR vs 5.8%).

Portillo's Restaurant Group, Inc. is an American fast casual restaurant chain based in the Chicago area that specializes in serving Chicago-style food such as hot dogs, Maxwell Street Polish, and Italian beef. The company was founded by Dick Portillo on April 9, 1963, in Villa Park, Illinois, under the name "The Dog House".

Repligen Corporation is a global life sciences company devoted to the development and commercialization of innovative bioprocessing technologies and systems that enable efficiencies in the process of manufacturing biological drugs.2025 The company is based in Waltham, Massachusetts,2014 and was incorporated in Delaware in 1981. A public company, Repligen is listed on the NASDAQ exchange under the symbol RGEN. As of 2025, Repligen employs over 1,900 employees globally and serves primarily biop...

PTLO vs RGEN — Head-to-Head

Bigger by revenue
RGEN
RGEN
1.1× larger
RGEN
$197.9M
$185.7M
PTLO
Growing faster (revenue YoY)
RGEN
RGEN
+13.0% gap
RGEN
13.6%
0.6%
PTLO
Higher net margin
RGEN
RGEN
3.3% more per $
RGEN
6.7%
3.4%
PTLO
More free cash flow
RGEN
RGEN
$26.7M more FCF
RGEN
$17.6M
$-9.2M
PTLO
Faster 2-yr revenue CAGR
RGEN
RGEN
Annualised
RGEN
14.4%
5.8%
PTLO

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
PTLO
PTLO
RGEN
RGEN
Revenue
$185.7M
$197.9M
Net Profit
$6.3M
$13.3M
Gross Margin
52.5%
Operating Margin
5.6%
9.0%
Net Margin
3.4%
6.7%
Revenue YoY
0.6%
13.6%
Net Profit YoY
-49.5%
143.9%
EPS (diluted)
$0.08
$0.24

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
PTLO
PTLO
RGEN
RGEN
Q4 25
$185.7M
$197.9M
Q3 25
$181.4M
$188.8M
Q2 25
$188.5M
$182.4M
Q1 25
$176.4M
$169.2M
Q4 24
$184.6M
$174.1M
Q3 24
$178.3M
$154.9M
Q2 24
$181.9M
$154.1M
Q1 24
$165.8M
$151.3M
Net Profit
PTLO
PTLO
RGEN
RGEN
Q4 25
$6.3M
$13.3M
Q3 25
$1.2M
$14.9M
Q2 25
$8.7M
$14.9M
Q1 25
$3.3M
$5.8M
Q4 24
$12.4M
$-30.3M
Q3 24
$7.2M
$-654.0K
Q2 24
$6.5M
$3.3M
Q1 24
$4.6M
$2.1M
Gross Margin
PTLO
PTLO
RGEN
RGEN
Q4 25
52.5%
Q3 25
53.2%
Q2 25
50.0%
Q1 25
53.6%
Q4 24
26.1%
Q3 24
50.0%
Q2 24
49.8%
Q1 24
49.5%
Operating Margin
PTLO
PTLO
RGEN
RGEN
Q4 25
5.6%
9.0%
Q3 25
3.0%
8.9%
Q2 25
9.3%
7.6%
Q1 25
5.9%
3.9%
Q4 24
7.5%
-17.7%
Q3 24
9.0%
-5.1%
Q2 24
10.0%
1.0%
Q1 24
6.1%
1.3%
Net Margin
PTLO
PTLO
RGEN
RGEN
Q4 25
3.4%
6.7%
Q3 25
0.7%
7.9%
Q2 25
4.6%
8.2%
Q1 25
1.9%
3.4%
Q4 24
6.7%
-17.4%
Q3 24
4.1%
-0.4%
Q2 24
3.6%
2.2%
Q1 24
2.8%
1.4%
EPS (diluted)
PTLO
PTLO
RGEN
RGEN
Q4 25
$0.08
$0.24
Q3 25
$0.02
$0.26
Q2 25
$0.12
$0.26
Q1 25
$0.05
$0.10
Q4 24
$0.17
$-0.55
Q3 24
$0.11
$-0.01
Q2 24
$0.10
$0.06
Q1 24
$0.08
$0.04

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
PTLO
PTLO
RGEN
RGEN
Cash + ST InvestmentsLiquidity on hand
$767.6M
Total DebtLower is stronger
$334.2M
$542.2M
Stockholders' EquityBook value
$467.8M
$2.1B
Total Assets
$1.6B
$2.9B
Debt / EquityLower = less leverage
0.71×
0.26×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PTLO
PTLO
RGEN
RGEN
Q4 25
$767.6M
Q3 25
$748.7M
Q2 25
$708.9M
Q1 25
$697.2M
Q4 24
$757.4M
Q3 24
$784.0M
Q2 24
$809.1M
Q1 24
$780.6M
Total Debt
PTLO
PTLO
RGEN
RGEN
Q4 25
$334.2M
$542.2M
Q3 25
$322.6M
$537.9M
Q2 25
$317.0M
Q1 25
$319.8M
Q4 24
$311.7M
$525.6M
Q3 24
$302.2M
Q2 24
$305.1M
Q1 24
$321.7M
Stockholders' Equity
PTLO
PTLO
RGEN
RGEN
Q4 25
$467.8M
$2.1B
Q3 25
$459.4M
$2.1B
Q2 25
$458.9M
$2.1B
Q1 25
$406.9M
$2.0B
Q4 24
$401.1M
$2.0B
Q3 24
$382.4M
$2.0B
Q2 24
$370.2M
$2.0B
Q1 24
$360.5M
$2.0B
Total Assets
PTLO
PTLO
RGEN
RGEN
Q4 25
$1.6B
$2.9B
Q3 25
$1.6B
$2.9B
Q2 25
$1.6B
$2.9B
Q1 25
$1.5B
$2.9B
Q4 24
$1.5B
$2.8B
Q3 24
$1.5B
$2.8B
Q2 24
$1.4B
$2.9B
Q1 24
$1.4B
$2.8B
Debt / Equity
PTLO
PTLO
RGEN
RGEN
Q4 25
0.71×
0.26×
Q3 25
0.70×
0.26×
Q2 25
0.69×
Q1 25
0.79×
Q4 24
0.78×
0.27×
Q3 24
0.79×
Q2 24
0.82×
Q1 24
0.89×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
PTLO
PTLO
RGEN
RGEN
Operating Cash FlowLast quarter
$23.2M
$25.7M
Free Cash FlowOCF − Capex
$-9.2M
$17.6M
FCF MarginFCF / Revenue
-4.9%
8.9%
Capex IntensityCapex / Revenue
17.4%
4.1%
Cash ConversionOCF / Net Profit
3.69×
1.93×
TTM Free Cash FlowTrailing 4 quarters
$-18.5M
$93.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PTLO
PTLO
RGEN
RGEN
Q4 25
$23.2M
$25.7M
Q3 25
$20.0M
$48.1M
Q2 25
$19.2M
$28.6M
Q1 25
$9.4M
$15.0M
Q4 24
$26.1M
$39.2M
Q3 24
$30.3M
$49.3M
Q2 24
$32.6M
$42.2M
Q1 24
$9.1M
$44.7M
Free Cash Flow
PTLO
PTLO
RGEN
RGEN
Q4 25
$-9.2M
$17.6M
Q3 25
$-5.0M
$43.4M
Q2 25
$5.2M
$21.5M
Q1 25
$-9.6M
$11.4M
Q4 24
$-5.6M
$33.6M
Q3 24
$7.7M
$42.3M
Q2 24
$15.6M
$37.4M
Q1 24
$-7.9M
$36.4M
FCF Margin
PTLO
PTLO
RGEN
RGEN
Q4 25
-4.9%
8.9%
Q3 25
-2.7%
23.0%
Q2 25
2.8%
11.8%
Q1 25
-5.4%
6.8%
Q4 24
-3.0%
19.3%
Q3 24
4.3%
27.3%
Q2 24
8.6%
24.3%
Q1 24
-4.7%
24.0%
Capex Intensity
PTLO
PTLO
RGEN
RGEN
Q4 25
17.4%
4.1%
Q3 25
13.8%
2.5%
Q2 25
7.5%
3.9%
Q1 25
10.8%
2.1%
Q4 24
17.2%
3.2%
Q3 24
12.7%
4.5%
Q2 24
9.3%
3.1%
Q1 24
10.2%
5.5%
Cash Conversion
PTLO
PTLO
RGEN
RGEN
Q4 25
3.69×
1.93×
Q3 25
16.51×
3.23×
Q2 25
2.21×
1.92×
Q1 25
2.85×
2.57×
Q4 24
2.10×
Q3 24
4.20×
Q2 24
5.03×
12.70×
Q1 24
1.99×
21.35×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Related Comparisons