M&A Deal Summary

Berkshire Hathaway Acquires OxyChem

On October 2, 2025, Berkshire Hathaway acquired chemicals company OxyChem from Occidental Petroleum for 9.7B USD

Acquisition Highlights
  • This is Berkshire Hathaway’s 5th transaction in the Chemicals sector.
  • This is Berkshire Hathaway’s 10th largest (disclosed) transaction.
  • This is Berkshire Hathaway’s 65th transaction in the United States.
  • This is Berkshire Hathaway’s 7th transaction in Texas.

M&A Deal Summary

Date 2025-10-02
Target OxyChem
Sector Chemicals
Buyer(s) Berkshire Hathaway
Sellers(s) Occidental Petroleum
Deal Type Divestiture
Deal Value 9.7B USD

Target

OxyChem

Houston, Texas, United States
OxyChem is a global manufacturer of commodity chemicals vital to quality of life, with applications in water treatment, pharmaceuticals, healthcare, and commercial and residential development.

Search 214,238 Deals Now

SEARCH BY

  • Buyer Type (PE or Strategic)
  • Deal Size ($10M to $10B+)
  • Sector (60 Sectors)
  • Deal Type
  • Geography
  • & More

Try Free

Buyer(S) 1

Buyer

Berkshire Hathaway

Omaha, Nebraska, United States

Category Company
Founded 1839
Sector Diversified
Employees392,400
Revenue 424.2B USD (2024)
DESCRIPTION
Berkshire Hathaway's corporate headquarters in Omaha, Nebraska.
Berkshire Hathaway's corporate headquarters in Omaha, Nebraska.

Berkshire Hathaway is a diversified holding company. Its subsidiaries engage in a wide range of business activities including insurance, utilities, renewable energy, freight rail transportation, finance, manufacturing, retailing, and business services. Berkshire Hathaway was founded in 1839 and is based in Omaha, Nebraska.


DEAL STATS #
Overall 70 of 70
Sector: Chemicals M&A 5 of 5
Type: Divestiture M&A Deals 10 of 10
State: Texas M&A 7 of 7
Country: United States M&A 65 of 65
Year: 2025 M&A 1 of 1
Size (of disclosed) 10 of 40
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2022-03-21 Alleghany

New York, New York, United States

Alleghany owns and manages operating subsidiaries and investments, anchored by a core position in property and casualty reinsurance and insurance. Alleghany's property and casualty subsidiaries include: Transatlantic Holdings, Inc., a global reinsurer; RSUI Group, Inc., a national underwriter of property and liability specialty insurance coverages; and CapSpecialty, Inc., an underwriter of commercial property, casualty and surety insurance coverages. Alleghany's subsidiary Alleghany Capital Corporation engages in and oversees strategic investments and acquisitions. Alleghany Corporation was founded in 1929 and is based in New York City.

Buy $11.6B

Seller(S) 1

SELLER

Occidental Petroleum

Houston, Texas, United States

Category Company
Founded 1920
Sector Oil/Gas Exploration
Employees11,800
Revenue 26.7B USD (2024)
DESCRIPTION

Occidental Petroleum is an oil and gas exploration and production company that provides applying advanced technology to boost production and access hard-to-recover reserves. Occidental Petroleum was founded in 1920 and is based in Houston, Texas.


DEAL STATS #
Overall 7 of 7
Sector: Chemicals M&A 1 of 1
Type: Divestiture M&A Deals 6 of 6
State: Texas M&A 3 of 3
Country: United States M&A 6 of 6
Year: 2025 M&A 2 of 2
Size (of disclosed) 1 of 3
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2025-08-06 Occidental - Natural Gas Gathering Affiliate

Houston, Texas, United States

Occidental's Natural Gas Gathering Affiliate includes certain natural gas gathering systems in the Midland Basin, as well as approximately 200 miles of natural gas gathering pipelines. Occidental's Natural Gas Gathering Affiliate is based in Houston, Texas.

Sell $580M