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Side-by-side financial comparison of Principal Financial Group (PFG) and Southern Company (SO). Click either name above to swap in a different company.

Southern Company is the larger business by last-quarter revenue ($8.4B vs $750.8M, roughly 11.2× Principal Financial Group). Southern Company runs the higher net margin — 15.9% vs 0.3%, a 15.7% gap on every dollar of revenue. On growth, Southern Company posted the faster year-over-year revenue change (8.0% vs 4.0%). Over the past eight quarters, Southern Company's revenue compounded faster (14.0% CAGR vs -58.3%).

Principal Financial Group, Inc. (PFG) is an American global financial investment management and insurance company headquartered in Des Moines, Iowa, United States.

Southern Company is an American gas and electric utility holding company based in the Southern United States. It is headquartered in Atlanta, Georgia, with executive offices located in Birmingham, Alabama. As of 2021 it is the second largest utility company in the U.S. in terms of customer base. Through its subsidiaries it serves 9 million gas and electric utility customers in 6 states. Southern Company's regulated regional electric utilities serve a 120,000-square-mile (310,000 km2) territor...

PFG vs SO — Head-to-Head

Bigger by revenue
SO
SO
11.2× larger
SO
$8.4B
$750.8M
PFG
Growing faster (revenue YoY)
SO
SO
+4.0% gap
SO
8.0%
4.0%
PFG
Higher net margin
SO
SO
15.7% more per $
SO
15.9%
0.3%
PFG
Faster 2-yr revenue CAGR
SO
SO
Annualised
SO
14.0%
-58.3%
PFG

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
PFG
PFG
SO
SO
Revenue
$750.8M
$8.4B
Net Profit
$1.9M
$1.3B
Gross Margin
Operating Margin
24.0%
Net Margin
0.3%
15.9%
Revenue YoY
4.0%
8.0%
Net Profit YoY
783.0%
5.4%
EPS (diluted)

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
PFG
PFG
SO
SO
Q1 26
$750.8M
$8.4B
Q4 25
$4.6B
$7.0B
Q3 25
$3.7B
$7.8B
Q2 25
$3.7B
$7.0B
Q1 25
$3.7B
$7.8B
Q4 24
$4.8B
$6.3B
Q3 24
$3.0B
$7.3B
Q2 24
$4.3B
$6.5B
Net Profit
PFG
PFG
SO
SO
Q1 26
$1.9M
$1.3B
Q4 25
$517.0M
$341.0M
Q3 25
$213.8M
$1.7B
Q2 25
$406.2M
$880.0M
Q1 25
$48.1M
$1.3B
Q4 24
$905.4M
$466.0M
Q3 24
$-220.0M
$1.5B
Q2 24
$353.1M
$1.2B
Operating Margin
PFG
PFG
SO
SO
Q1 26
24.0%
Q4 25
13.1%
Q3 25
33.2%
Q2 25
25.3%
Q1 25
25.9%
Q4 24
16.7%
Q3 24
32.6%
Q2 24
30.0%
Net Margin
PFG
PFG
SO
SO
Q1 26
0.3%
15.9%
Q4 25
11.3%
4.9%
Q3 25
5.8%
21.9%
Q2 25
11.1%
12.6%
Q1 25
1.3%
16.3%
Q4 24
19.1%
7.3%
Q3 24
-7.3%
21.1%
Q2 24
8.2%
18.6%
EPS (diluted)
PFG
PFG
SO
SO
Q1 26
Q4 25
$2.30
$0.38
Q3 25
$0.95
$1.54
Q2 25
$1.79
$0.79
Q1 25
$0.21
$1.21
Q4 24
$3.92
$0.48
Q3 24
$-0.95
$1.39
Q2 24
$1.49
$1.09

Financial Flow Comparison

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

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