He said his lack of experience in managing money would not be a detriment in running Fidelity Management.
Tsai joined Fidelity Management and Research in 1952, and was named vice president in 1960.
But Fidelity Management has sold those shares, according to Vincent Loporchio, a company spokesman, who declined to elaborate.
When the deal is completed Kinross will be the company's largest shareholder next to Fidelity Management which currently owns 6%.
She was in charge of the company's core unit, Fidelity Management and Research, which oversees Fidelity's more than 300 mutual funds.
She was named president of Fidelity Management and Research in 2001.
Fidelity Management holds shares worth about $363 million, or 14.1 percent of the outstanding shares.
Mr. Danoff, 43, works for Fidelity Management and Research, the fund's adviser.
The Fidelity Management and Research Corporation, which has the biggest stake, roughly 11 percent, in Grace, declined to comment.
The bride, 24, is a research associate at the Fidelity Management and Research Company, a financial management firm in Boston.