As the largest fund in the global health and biotech category, according to its website, Vanguard reduced the most in fluid management solutions provider, Pall Corp.

FORBES: Vanguard Health Care Fund Does More Shedding than Adding in Third Quarter

Hydrasun specialises in fluid control equipment and solutions for the global offshore oil and gas sector.

BBC: Aberdeen firm Hydrasun sold to Bahraini investor

The Technical Solutions segment designs, manufactures, markets and services products that guard and protect some of the world's most sensitive electronics and electronic equipment, as well as heat management solutions designed to provide thermal protection to temperature sensitive fluid applications.

FORBES: #1,468 Pentair

Pentair Plc operates as a a global water, fluid, thermal management, and equipment protection partner with industry leading products, services, and solutions.

FORBES: #1,468 Pentair