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Side-by-side financial comparison of BLACK HILLS CORP (BKH) and Zai Lab Ltd (ZLAB). Click either name above to swap in a different company.

BLACK HILLS CORP is the larger business by last-quarter revenue ($241.6M vs $127.1M, roughly 1.9× Zai Lab Ltd). On growth, Zai Lab Ltd posted the faster year-over-year revenue change (17.1% vs -3.0%). Over the past eight quarters, Zai Lab Ltd's revenue compounded faster (20.8% CAGR vs -22.0%).

Black Hills Corporation is an American diversified energy company that is an electric and gas utility in South Dakota, Montana, Wyoming, Colorado, Arkansas, Kansas, Nebraska, and Iowa. The company sells power throughout the American West. The company is based in Rapid City, South Dakota. It derives its name from its home in the Black Hills of South Dakota.

Zai Lab Ltd is a global biopharmaceutical company focused on developing, manufacturing and commercializing innovative therapies for oncology, autoimmune disorders, infectious diseases and other unmet medical needs. It operates primarily in the Greater China region and partners with leading global biotech firms to expand access to life-saving treatments for underserved patient populations.

BKH vs ZLAB — Head-to-Head

Bigger by revenue
BKH
BKH
1.9× larger
BKH
$241.6M
$127.1M
ZLAB
Growing faster (revenue YoY)
ZLAB
ZLAB
+20.2% gap
ZLAB
17.1%
-3.0%
BKH
Faster 2-yr revenue CAGR
ZLAB
ZLAB
Annualised
ZLAB
20.8%
-22.0%
BKH

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
BKH
BKH
ZLAB
ZLAB
Revenue
$241.6M
$127.1M
Net Profit
$133.1M
Gross Margin
51.0%
Operating Margin
83.6%
-54.6%
Net Margin
55.1%
Revenue YoY
-3.0%
17.1%
Net Profit YoY
-2.4%
EPS (diluted)
$1.73
$-0.05

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
BKH
BKH
ZLAB
ZLAB
Q1 26
$241.6M
Q4 25
$622.7M
$127.1M
Q3 25
$427.4M
$115.4M
Q2 25
$435.7M
$109.1M
Q1 25
$800.4M
$105.7M
Q4 24
$585.1M
$108.5M
Q3 24
$398.6M
$101.8M
Q2 24
$397.1M
$100.1M
Net Profit
BKH
BKH
ZLAB
ZLAB
Q1 26
$133.1M
Q4 25
$104.9M
Q3 25
$24.9M
$-36.0M
Q2 25
$27.5M
$-40.7M
Q1 25
$134.3M
$-48.4M
Q4 24
$98.0M
Q3 24
$24.4M
$-41.7M
Q2 24
$22.8M
$-80.3M
Gross Margin
BKH
BKH
ZLAB
ZLAB
Q1 26
Q4 25
51.0%
Q3 25
59.5%
Q2 25
60.6%
Q1 25
63.6%
Q4 24
61.5%
Q3 24
64.1%
Q2 24
64.9%
Operating Margin
BKH
BKH
ZLAB
ZLAB
Q1 26
83.6%
Q4 25
27.5%
-54.6%
Q3 25
18.4%
-42.3%
Q2 25
18.9%
-50.3%
Q1 25
25.6%
-53.3%
Q4 24
27.9%
-62.6%
Q3 24
19.0%
-66.6%
Q2 24
17.8%
-76.0%
Net Margin
BKH
BKH
ZLAB
ZLAB
Q1 26
55.1%
Q4 25
16.8%
Q3 25
5.8%
-31.2%
Q2 25
6.3%
-37.3%
Q1 25
16.8%
-45.8%
Q4 24
16.7%
Q3 24
6.1%
-40.9%
Q2 24
5.7%
-80.2%
EPS (diluted)
BKH
BKH
ZLAB
ZLAB
Q1 26
$1.73
Q4 25
$1.39
$-0.05
Q3 25
$0.34
$-0.03
Q2 25
$0.38
$-0.04
Q1 25
$1.87
$-0.04
Q4 24
$1.36
$-0.09
Q3 24
$0.35
$-0.04
Q2 24
$0.33
$-0.08

Balance Sheet & Financial Strength

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

Metric
BKH
BKH
ZLAB
ZLAB
Cash + ST InvestmentsLiquidity on hand
$689.6M
Total DebtLower is stronger
Stockholders' EquityBook value
$715.5M
Total Assets
$1.2B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BKH
BKH
ZLAB
ZLAB
Q1 26
Q4 25
$182.8M
$689.6M
Q3 25
$21.1M
$717.2M
Q2 25
$8.1M
$732.2M
Q1 25
$6.6M
$757.3M
Q4 24
$16.1M
$779.7M
Q3 24
$12.5M
$616.1M
Q2 24
$624.8M
$630.0M
Stockholders' Equity
BKH
BKH
ZLAB
ZLAB
Q1 26
Q4 25
$3.8B
$715.5M
Q3 25
$3.8B
$759.9M
Q2 25
$3.6B
$791.7M
Q1 25
$3.6B
$810.8M
Q4 24
$3.5B
$840.9M
Q3 24
$3.4B
$667.7M
Q2 24
$3.4B
$704.2M
Total Assets
BKH
BKH
ZLAB
ZLAB
Q1 26
Q4 25
$10.9B
$1.2B
Q3 25
$10.3B
$1.2B
Q2 25
$10.1B
$1.2B
Q1 25
$10.1B
$1.2B
Q4 24
$10.0B
$1.2B
Q3 24
$9.7B
$985.3M
Q2 24
$10.2B
$987.4M

Cash Flow & Capital Efficiency

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

Metric
BKH
BKH
ZLAB
ZLAB
Operating Cash FlowLast quarter
$-26.0M
Free Cash FlowOCF − Capex
$-26.7M
FCF MarginFCF / Revenue
-21.0%
Capex IntensityCapex / Revenue
0.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-158.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BKH
BKH
ZLAB
ZLAB
Q1 26
Q4 25
$168.1M
$-26.0M
Q3 25
$88.9M
$-32.0M
Q2 25
$188.6M
$-31.0M
Q1 25
$227.8M
$-61.7M
Q4 24
$153.2M
$-55.8M
Q3 24
$102.1M
$-26.8M
Q2 24
$230.6M
$-42.2M
Free Cash Flow
BKH
BKH
ZLAB
ZLAB
Q1 26
Q4 25
$-101.5M
$-26.7M
Q3 25
$-89.5M
$-35.0M
Q2 25
$-30.3M
$-33.9M
Q1 25
$74.9M
$-63.2M
Q4 24
$-60.5M
$-58.4M
Q3 24
$-86.0M
$-28.2M
Q2 24
$64.4M
$-42.9M
FCF Margin
BKH
BKH
ZLAB
ZLAB
Q1 26
Q4 25
-16.3%
-21.0%
Q3 25
-20.9%
-30.4%
Q2 25
-7.0%
-31.1%
Q1 25
9.4%
-59.9%
Q4 24
-10.3%
-53.8%
Q3 24
-21.6%
-27.7%
Q2 24
16.2%
-42.9%
Capex Intensity
BKH
BKH
ZLAB
ZLAB
Q1 26
Q4 25
43.3%
0.5%
Q3 25
41.7%
2.6%
Q2 25
50.2%
2.6%
Q1 25
19.1%
1.5%
Q4 24
36.5%
2.4%
Q3 24
47.2%
1.3%
Q2 24
41.9%
0.7%
Cash Conversion
BKH
BKH
ZLAB
ZLAB
Q1 26
Q4 25
1.60×
Q3 25
3.57×
Q2 25
6.86×
Q1 25
1.70×
Q4 24
1.56×
Q3 24
4.18×
Q2 24
10.11×

Financial Flow Comparison

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

Revenue Breakdown by Segment

BKH
BKH

Segment breakdown not available.

ZLAB
ZLAB

Zejula$56.0M44%
Other$21.9M17%
Nuzyra$16.0M13%
Optune$11.9M9%
XACDURO$10.7M8%
Qinlock$9.7M8%
AUGTYRO$836.0K1%

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