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Otter Tail Corporation (OTTR)

Otter Tail Corporation at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Otter Tail Corporation (OTTR) is a Diversified Utilities company based in US with a market capitalization of $3.7B. Revenue declined 2.0% year-over-year and the company generated $97.9M in free cash flow. This page tracks OTTR's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 2.13K employees · IPO Mar 26, 1990

Valuation

Valuation & price

$87.80 · as of May 17, 2026 · -4.4% vs 52w high

13.4

P/E ratio

Latest-FY diluted EPS

1.96

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$90.70$82.88$75.05Jul 25Dec 25Jun 26Jul 7, 25$78.83Jul 9, 25$79.69Jul 11, 25$78.93Jul 15, 25$76.11Jul 17, 25$76.56Jul 21, 25$77.58Jul 23, 25$78.15Jul 25, 25$78.49Jul 29, 25$78.22Jul 31, 25$77.18Aug 4, 25$76.22Aug 6, 25$78.58Aug 8, 25$79.73Aug 12, 25$82.29Aug 14, 25$82.10Aug 19, 25$84.42Aug 21, 25$83.09Aug 25, 25$84.96Aug 27, 25$84.99Aug 29, 25$83.99Sep 3, 25$83.74Sep 5, 25$83.88Sep 9, 25$82.53Sep 11, 25$84.00Sep 15, 25$83.44Sep 17, 25$82.73Sep 19, 25$84.16Sep 23, 25$83.48Sep 25, 25$81.97Sep 29, 25$81.64Oct 2, 25$79.66Oct 6, 25$79.30Oct 8, 25$77.46Oct 10, 25$75.05Oct 14, 25$78.16Oct 16, 25$76.77Oct 20, 25$77.67Oct 22, 25$78.23Oct 24, 25$78.55Oct 28, 25$78.05Oct 30, 25$77.58Nov 3, 25$77.96Nov 5, 25$82.60Nov 7, 25$84.50Nov 11, 25$85.75Nov 14, 25$82.96Nov 18, 25$81.95Nov 20, 25$80.96Nov 24, 25$80.31Nov 26, 25$82.11Dec 1, 25$81.11Dec 3, 25$82.74Dec 5, 25$82.13Dec 9, 25$82.28Dec 11, 25$83.31Dec 15, 25$84.37Dec 17, 25$86.04Dec 19, 25$82.12Dec 23, 25$82.66Dec 26, 25$82.44Dec 31, 25$80.81Jan 5, 26$81.34Jan 7, 26$81.35Jan 9, 26$85.61Jan 13, 26$85.24Jan 15, 26$88.29Jan 20, 26$87.39Jan 22, 26$88.93Jan 26, 26$86.41Jan 28, 26$86.57Jan 30, 26$89.16Feb 3, 26$88.93Feb 5, 26$87.33Feb 9, 26$86.27Feb 11, 26$85.93Feb 17, 26$86.68Feb 19, 26$86.60Feb 23, 26$85.46Feb 25, 26$85.32Feb 27, 26$85.10Mar 3, 26$86.48Mar 5, 26$89.26Mar 9, 26$87.93Mar 11, 26$85.80Mar 13, 26$87.69Mar 17, 26$87.41Mar 19, 26$87.50Mar 23, 26$86.00Mar 25, 26$86.55Mar 27, 26$85.85Apr 1, 26$88.22Apr 6, 26$88.54Apr 8, 26$90.70Apr 10, 26$90.28Apr 14, 26$88.33Apr 16, 26$87.48Apr 20, 26$87.32Apr 22, 26$86.92Apr 24, 26$88.15Apr 28, 26$89.41Apr 30, 26$89.24May 4, 26$90.59May 6, 26$88.89May 8, 26$88.03May 12, 26$89.70May 15, 26$87.80May 19, 26$86.65May 21, 26$86.67May 26, 26$88.30May 28, 26$87.29Jun 1, 26$83.62Jun 3, 26$85.77Jun 5, 26$86.77Jun 9, 26$89.23Jun 11, 26$88.51Jun 15, 26$88.76Jun 17, 26$86.73Jun 22, 26$88.21Jun 24, 26$88.82Jun 30, 26$89.61
$75.0552-week range$91.88
Loading valuation history…

Fundamentals

Key fundamentals

$3.7B

Market cap

-2.0%

Revenue growth (YoY)

27.8%

Gross margin

$97.9M

Free cash flow (USD)

$663.3M

Net debt

0.2%

Share dilution

4/5

Graham criteria passed

Defensive-investor screen

Utilities

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$803.5MFY 2017$849.4MFY 2018$916.4MFY 2019$919.5MFY 2020$890.1MFY 2021$1.2BFY 2022$1.5BFY 2023$1.3BFY 2024$1.3BFY 2025$1.3B
$803.5M$1.3B

Free cash flow by year

2016 → 2025

FY 2016$2.1MFY 2017$40.7MFY 2018$38.0MFY 2019$-22.3MFY 2020$-159.6MFY 2021$59.4MFY 2022$218.2MFY 2023$117.4MFY 2024$94.1MFY 2025$97.9M
$2.1M$97.9M

Gross margin by year

2021 → 2025

FY 202135.4%FY 202239.1%FY 202341.9%FY 202443.8%FY 202527.8%
35.4%27.8%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

0

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 6, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • 8-K eventSettlement AgreementJun 18, 2026Filing
  • 8-K eventDebt IssuanceJun 5, 2026Filing
  • 8-K eventSettlement AgreementMay 29, 2026Filing
  • 8-K eventIntegrated Resource Plan FiledMay 15, 2026Filing
  • Quarterly report10-Q FiledMay 6, 2026Filing
  • 8-K eventEarnings ReleaseMay 5, 2026Filing
  • 8-K eventAnnual Shareholder MeetingApr 15, 2026Filing
  • 8-K eventExecutive AppointmentsApr 14, 2026Filing

Questions

Frequently asked questions

What is Otter Tail Corporation's market cap?

Otter Tail Corporation (OTTR) has a market capitalization of $3.7B.

What is OTTR's P/E ratio?

OTTR trades at a price-to-earnings ratio of 13.4, based on its latest fiscal-year diluted earnings per share and the most recent cached price.

What is OTTR's price-to-book (P/B) ratio?

OTTR trades at 1.96 times book value per share.

Are insiders buying OTTR stock?

SEC Form 4 filings show no open-market insider buys at Otter Tail Corporation in the last 90 days (0 sells).

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Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

Search the actual 10-K / 10-Q text with AI research angles

News

Latest press coverage in one feed

Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.