Royal Borough of Kingston upon Thames has a fund that pays the pensions of its retired workers.

https://www.kingston.gov.uk/downloads/file/1740/pension_fund_annual_report_2015-16

Some interesting facts:

Income into the fund in 2016 was £41.5m
Expenditure out of the fund in 2016 was £34.4m

Thus a financial surplus in 2016.

“The Fund continues to be a growing Fund and cash flow positive, as contributions from members and employers exceed the cost of pensions and benefits payable”

The fund is worth £651.48m = 100.0%

Fidelity:
Global Equities Fund £157.5m = 24.17%
Emerging Market equities £16.579m = 2.54%
Cash and other investment balances £3.183m = 0.49%

ColumbiaThreadneedle:
Unitised Insurance Policy (Global equities) £122.398m = 18.79%

Schroders:
Other Managed Funds (Global equities) £86.511m =13.28%

Henderson:
Other Managed Funds (Bonds) £88.480m = 13.58%

UBS:
Property Unit Trusts £29.822m = 4.58%
Cash and other investment balances £1.703m = 0.26%

Pyrford:
Other Managed Funds (DGF) £73.420m = 11.27%

Standard Life:
Other Managed Funds (DGF) £70.078m = 10.76%

In house:
Cash £1.670m = 0.26%

A pension fund whose income is greater than its outgoings.