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Bill Ackman news

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The gist

Bill Ackman commits $400 million to brain research institute after daughter's hemorrhage.
His Netflix stake buy signals confidence in streaming giant despite past $400M loss.

Background

Bill Ackman, CEO of Pershing Square Capital Management, recently made headlines for two major moves. First, he and his wife Neri Oxman pledged about $400 million to establish the Ackman Oxman Institute (AOI), a nonprofit focused on brain research and longevity, following their daughter's recovery from a severe brain hemorrhage. Second, his fund disclosed a new position in Netflix, buying over 13 million shares in Q2, after previously exiting the stock at a loss of $400 million in 2022. These actions have drawn attention due to Ackman's influence and the significant sums involved.

How it unfolded

  1. 2022Ackman's Pershing Square exited its Netflix position at a loss of approximately $400 million.
  2. May 2026Pershing Square Foundation acquired a 400,000-square-foot biotech facility on West End Avenue, Manhattan, for the future institute.
  3. Q2 2026Pershing Square purchased over 13 million shares of Netflix, valued at over $934 million, making up close to 5% of the portfolio.
  4. Aug 17, 2026 -20, 2026News broke of Ackman's Netflix purchase and the $400 million commitment to brain research, with the institute to be named Ackman Oxman Institute (AOI).

Who’s saying what

Analysts
Some analysts see Ackman's Netflix buy as a signal that the stock is undervalued, given its 42% drop from peak and improved margins.
Caution
Others caution that Netflix faces slowing revenue growth and competitive threats from short-form and AI-generated videos, which could limit upside.

Still unverified

The additional donation of similar or greater size mentioned by Ackman has not been detailed or confirmed.

Sources

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