Direct Line is a major UK insurer.

https://www.directlinegroup.com/

It collects in insurance premiums, and pays out on claims. The insurance premiums are invested.

What are these investments ?

https://www.directlinegroup.com/~/media/Files/D/Direct-Line-Group-V2/reports-and-presentations/annual-report-and-accounts-2017.pdf

Investment-grade credit 3,893.1 million
High-yield 388.6 million
Investment-grade private placements 103.6 million
Sovereign 224.8 million

Total debt securities 4,610.1 million

Infrastructure debt 316.4 million
Commercial real estate loans 169.0 million
Cash and cash equivalents3 1,304.5 million
Investment property 309.3 million

Total Group £6,709.3 million

Note, no equity investments.

http://www.shareshop.hsbc.co.uk/shareshop/security.cgi?csi=2773867

A yield of 6.1%