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Side-by-side financial comparison of BLACK HILLS CORP (BKH) and Oklo Inc. (OKLO). Click either name above to swap in a different company.

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.

Oklo Inc. is a designer of Small Modular Reactors (SMRs) based in Santa Clara, California. Founded in 2013 by Jacob and Caroline DeWitte, Oklo Inc. focuses on fast reactor, SMR plants. OpenAI co-founder Sam Altman served as an early CEO, but stepped down in April 2025 to "avoid a conflict of interest ahead of talks between his company and the nuclear start-up on an energy supply agreement."

8-Quarter Revenue & Profit Trend

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

Revenue
BKH
BKH
OKLO
OKLO
Q4 25
$622.7M
Q3 25
$427.4M
Q2 25
$435.7M
Q1 25
$800.4M
Q4 24
$585.1M
Q3 24
$398.6M
Q2 24
$397.1M
Q1 24
$717.2M
Net Profit
BKH
BKH
OKLO
OKLO
Q4 25
$104.9M
Q3 25
$24.9M
Q2 25
$27.5M
Q1 25
$134.3M
Q4 24
$98.0M
Q3 24
$24.4M
Q2 24
$22.8M
Q1 24
$127.9M
Operating Margin
BKH
BKH
OKLO
OKLO
Q4 25
27.5%
Q3 25
18.4%
Q2 25
18.9%
Q1 25
25.6%
Q4 24
27.9%
Q3 24
19.0%
Q2 24
17.8%
Q1 24
27.0%
Net Margin
BKH
BKH
OKLO
OKLO
Q4 25
16.8%
Q3 25
5.8%
Q2 25
6.3%
Q1 25
16.8%
Q4 24
16.7%
Q3 24
6.1%
Q2 24
5.7%
Q1 24
17.8%
EPS (diluted)
BKH
BKH
OKLO
OKLO
Q4 25
$1.39
Q3 25
$0.34
Q2 25
$0.38
Q1 25
$1.87
Q4 24
$1.36
Q3 24
$0.35
Q2 24
$0.33
Q1 24
$1.87

Financial Flow Comparison

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

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