Exchange Traded Concepts LLC boosted its stake in shares of Delta Air Lines by 152.3% in the 1st quarter. Exchange Traded Concepts LLC now owns 12,567 shares of the transportation company's stock valued at $548,000 after buying an additional 7,586 shares during the period. Allspring Global Investments Holdings LLC boosted its stake in shares of Delta Air Lines by 8.2% in the 1st quarter. Allspring Global Investments Holdings LLC now owns 39,374 shares of the transportation company's stock valued at $1,670,000 after buying an additional 2,973 shares during the period. Finally, Jefferies Financial Group Inc. boosted its stake in shares of Delta Air Lines by 1,169.4% in the 1st quarter. Jefferies Financial Group Inc. now owns 7,248 shares of the transportation company's stock valued at $316,000 after buying an additional 6,677 shares during the period. Hedge funds and other institutional investors own 69.93% of the company's stock.