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Side-by-side financial comparison of Otter Tail Corp (OTTR) and SLM Corp (SLM). Click either name above to swap in a different company.

SLM Corp is the larger business by last-quarter revenue ($560.0M vs $308.1M, roughly 1.8× Otter Tail Corp). SLM Corp runs the higher net margin — 55.0% vs 16.8%, a 38.2% gap on every dollar of revenue. Over the past eight quarters, SLM Corp's revenue compounded faster (22.7% CAGR vs -5.8%).

Otter Tail Corporation is an electric power and manufacturing company based in Fergus Falls, Minnesota. Its subsidiaries include Otter Tail Power Company, BTD Manufacturing Inc., T.O. Plastics Inc., Northern Pipe Products Inc., and Vinyltech Corporation.

Nikon SLM Solutions AG, headquartered in Lübeck, Germany, is a manufacturer of 3D metal printers listed on the stock market and co-owner of the word mark SLM. The shares of SLM Solutions Group AG have been listed in Prime Standard of the Frankfurt Stock Exchange since May 9, 2014.

OTTR vs SLM — Head-to-Head

Bigger by revenue
SLM
SLM
1.8× larger
SLM
$560.0M
$308.1M
OTTR
Higher net margin
SLM
SLM
38.2% more per $
SLM
55.0%
16.8%
OTTR
Faster 2-yr revenue CAGR
SLM
SLM
Annualised
SLM
22.7%
-5.8%
OTTR

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
OTTR
OTTR
SLM
SLM
Revenue
$308.1M
$560.0M
Net Profit
$51.8M
$308.0M
Gross Margin
Operating Margin
21.9%
69.6%
Net Margin
16.8%
55.0%
Revenue YoY
1.6%
Net Profit YoY
-5.6%
1.0%
EPS (diluted)
$1.22
$1.54

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
OTTR
OTTR
SLM
SLM
Q1 26
$560.0M
Q4 25
$308.1M
$377.1M
Q3 25
$325.6M
$373.0M
Q2 25
$333.0M
$376.8M
Q1 25
$337.4M
$375.0M
Q4 24
$303.1M
$362.2M
Q3 24
$338.0M
$359.4M
Q2 24
$342.3M
$372.2M
Net Profit
OTTR
OTTR
SLM
SLM
Q1 26
$308.0M
Q4 25
$51.8M
$233.2M
Q3 25
$78.3M
$135.8M
Q2 25
$77.7M
$71.3M
Q1 25
$68.1M
$304.5M
Q4 24
$54.9M
$111.6M
Q3 24
$85.5M
$-45.2M
Q2 24
$87.0M
$252.0M
Operating Margin
OTTR
OTTR
SLM
SLM
Q1 26
69.6%
Q4 25
21.9%
83.8%
Q3 25
29.7%
49.8%
Q2 25
29.3%
23.3%
Q1 25
24.9%
Q4 24
22.0%
36.5%
Q3 24
31.8%
-16.6%
Q2 24
32.4%
91.0%
Net Margin
OTTR
OTTR
SLM
SLM
Q1 26
55.0%
Q4 25
16.8%
61.8%
Q3 25
24.0%
36.4%
Q2 25
23.3%
18.9%
Q1 25
20.2%
81.2%
Q4 24
18.1%
30.8%
Q3 24
25.3%
-12.6%
Q2 24
25.4%
67.7%
EPS (diluted)
OTTR
OTTR
SLM
SLM
Q1 26
$1.54
Q4 25
$1.22
$1.11
Q3 25
$1.86
$0.63
Q2 25
$1.85
$0.32
Q1 25
$1.62
$1.40
Q4 24
$1.30
$0.53
Q3 24
$2.03
$-0.23
Q2 24
$2.07
$1.11

Balance Sheet & Financial Strength

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

Metric
OTTR
OTTR
SLM
SLM
Cash + ST InvestmentsLiquidity on hand
$440.5M
$5.2B
Total DebtLower is stronger
$963.6M
$6.2B
Stockholders' EquityBook value
$1.9B
$2.4B
Total Assets
$4.0B
$29.4B
Debt / EquityLower = less leverage
0.52×
2.53×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
OTTR
OTTR
SLM
SLM
Q1 26
$5.2B
Q4 25
$440.5M
$4.2B
Q3 25
$379.7M
$3.5B
Q2 25
$307.2M
$4.1B
Q1 25
$284.8M
$3.7B
Q4 24
$295.4M
$4.7B
Q3 24
$280.0M
$4.5B
Q2 24
$230.7M
$5.3B
Total Debt
OTTR
OTTR
SLM
SLM
Q1 26
$6.2B
Q4 25
$963.6M
$5.4B
Q3 25
$1.0B
$6.8B
Q2 25
$1.0B
$6.4B
Q1 25
$993.5M
$6.1B
Q4 24
$943.7M
$6.4B
Q3 24
$947.0M
$6.0B
Q2 24
$947.0M
$5.4B
Stockholders' Equity
OTTR
OTTR
SLM
SLM
Q1 26
$2.4B
Q4 25
$1.9B
$2.5B
Q3 25
$1.8B
$2.3B
Q2 25
$1.8B
$2.4B
Q1 25
$1.7B
$2.4B
Q4 24
$1.7B
$2.2B
Q3 24
$1.6B
$2.1B
Q2 24
$1.6B
$2.3B
Total Assets
OTTR
OTTR
SLM
SLM
Q1 26
$29.4B
Q4 25
$4.0B
$29.7B
Q3 25
$3.8B
$29.6B
Q2 25
$3.8B
$29.6B
Q1 25
$3.7B
$28.9B
Q4 24
$3.7B
$30.1B
Q3 24
$3.6B
$30.0B
Q2 24
$3.5B
$28.8B
Debt / Equity
OTTR
OTTR
SLM
SLM
Q1 26
2.53×
Q4 25
0.52×
2.19×
Q3 25
0.57×
2.92×
Q2 25
0.59×
2.70×
Q1 25
0.58×
2.56×
Q4 24
0.57×
2.98×
Q3 24
0.58×
2.83×
Q2 24
0.60×
2.37×

Cash Flow & Capital Efficiency

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

Metric
OTTR
OTTR
SLM
SLM
Operating Cash FlowLast quarter
$97.0M
Free Cash FlowOCF − Capex
$22.3M
FCF MarginFCF / Revenue
7.2%
Capex IntensityCapex / Revenue
24.3%
Cash ConversionOCF / Net Profit
1.87×
TTM Free Cash FlowTrailing 4 quarters
$97.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
OTTR
OTTR
SLM
SLM
Q1 26
Q4 25
$97.0M
$-64.5M
Q3 25
$129.6M
$-49.3M
Q2 25
$119.9M
$-138.7M
Q1 25
$39.5M
$-146.1M
Q4 24
$130.0M
$4.5M
Q3 24
$99.3M
$-113.4M
Q2 24
$151.5M
$-143.8M
Free Cash Flow
OTTR
OTTR
SLM
SLM
Q1 26
Q4 25
$22.3M
Q3 25
$40.5M
Q2 25
$53.7M
Q1 25
$-18.5M
Q4 24
$31.1M
Q3 24
$15.1M
Q2 24
$50.1M
FCF Margin
OTTR
OTTR
SLM
SLM
Q1 26
Q4 25
7.2%
Q3 25
12.4%
Q2 25
16.1%
Q1 25
-5.5%
Q4 24
10.2%
Q3 24
4.5%
Q2 24
14.6%
Capex Intensity
OTTR
OTTR
SLM
SLM
Q1 26
Q4 25
24.3%
Q3 25
27.4%
Q2 25
19.9%
Q1 25
17.2%
Q4 24
32.6%
Q3 24
24.9%
Q2 24
29.6%
Cash Conversion
OTTR
OTTR
SLM
SLM
Q1 26
Q4 25
1.87×
-0.28×
Q3 25
1.65×
-0.36×
Q2 25
1.54×
-1.95×
Q1 25
0.58×
-0.48×
Q4 24
2.37×
0.04×
Q3 24
1.16×
Q2 24
1.74×
-0.57×

Financial Flow Comparison

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

Revenue Breakdown by Segment

OTTR
OTTR

Retail Commercial And Industrial$91.0M30%
Plastics$81.2M26%
Manufacturing$77.2M25%
Retail Residential$35.8M12%
Electric Transmission$14.4M5%
Plastic Products$9.2M3%
Electric Product Other$1.8M1%

SLM
SLM

Net Interest Income$375.0M67%
Noninterest Income$185.0M33%

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