But that is more than the $800 million owed on the bonds the trust had sold to finance the mortgage.
In 1986, the trust sold 25% of Wellcome plc stock to the public.
In 1991, the trust sold $2.1 million in bonds to increase its capital.
The trust sold the team in 2002, concluding 70 years of Yawkey ownership.
Over the last 16 years, the trust has sold 41 million shares of stock, often to the company itself.
This charitable trust sells work (money goes to the artists) and commissions about 20 pieces a year.
But the Governor's trust did not sell its holdings in such companies until 1986.
The trust then sold the land to the state in 1986 for parkland.
"The frenzy includes Japan, where 24 trusts have sold shares to the public since the start of last year."
The trust, which advised both sides, can never sell the rights or transfer them to another site.