KEY POINTS
  • Elliott Management's stake represents more than 4 percent of eBay shares.
  • Starboard Value has also taken a stake in the company, people familiar with the matter tell CNBC.
  • The massive activist hedge fund also sent an extensive letter of recommendations to eBay's board of directors.
  • Elliott said eBay should off StubHub, as well was its "portfolio of Classifieds properties."

Activist hedge fund Elliott Management announced a $1.4 billion stake in eBay in a letter to the e-commerce company's board on Tuesday. Fellow activist investor Starboard Value has also built a stake in the company, people familiar with the situation told CNBC's Thomas Franck.

Elliott's stake, which represents more than 4 percent of eBay's shares, comes with an extensive letter of recommendations for the company's future. The fund's "Enhance eBay Plan" suggests the company spin off StubHub as well was eBay's "portfolio of Classifieds properties," as Elliott said the assets "are worth meaningfully more than the value currently being ascribed to them as part of eBay."