Bill Ackman's fund, Pershing Square Capital Management, only owns about a dozen stocks. Ackman has previously said that diversification is for "lazy" investors who haven't done enough research.

Billionaire Bill Ackman discusses his journey, activism, investing strategies and higher education reform at the 2025 Forbes Iconoclast Summit.

In summary, Bill Ackman's critique of Harvard's leadership highlights the importance of effective governance and the need for universities to adapt to changing political and financial landscapes.

Bill Ackman is again taking aim at Harvard University -- this time demanding the removal of a former Obama official from the school's leadership.

Bill Ackman has been critical of Harvard since the immediate aftermath of Oct. 7, 2023, when Hamas attacked Israel and the school became embroiled in controversy over pro-Palestine protests.

Bill Ackman rattled off a list of concerns over how his alma mater Harvard University has handled the conflict with President Donald Trump, arguing it needs a change in board leadership.

Hedge fund manager Bill Ackman advised Harvard to treat President Trump's demands with respect and said the president is fair to challenge the university's tax-exempt status if there aren't major ...

The Harvard Corporation Tries to Kill Faculty Governance This is about a lot more than one university’s disciplinary action.

Famously Obstinate, Bill Ackman Is Now Real-Life Famous. What Next? The hedge-funder who loves a public crusade — and taking charge — is on to a new stage of his career: online warrior.

Bill Ackman’s fight against Harvard has made him the public face of a billionaire class anxious it no longer rules the world.