The Guardian have a massive endowment (£842 million), but have also been failing to meet costs based on advertising and subscriptions revenues.
FT have an article (search headline via Google in Incognito mode to read):
Guardian launches paid membership scheme https://www.ft.com/content/39ad0574-390d-11e4-9526-00144feab...
The Guardian has launched a paid membership scheme, as it seeks to narrow operating losses that reached £33.8m last year.
Given the size of the endowment, that's a 24 year burn-rate.
