Abigail P. Johnson has trimmed her voting stake in Boston fund giant Fidelity Investments, a move that has raised speculation over whether she remains next in line to lead the family firm.

Johnson has been the largest shareholder in Fidelity, a privately held firm, for a decade, according to a report from The Wall Street Journal. Her 21% stake is more than double that of her father, Fidelity chairman and chief executive Edward C. Johnson III. Holdings of other family members had pegged the Johnson stake at 49%.

Subscribe Now

Access to premium content including in-depth coverage of mutual funds, hedge funds, 401(K)s, 529 plans, and more.

3-Week Free Trial

Insight and analysis into the management, marketing, operations and technology of the asset management industry.