DELTA AIR LINES INC (DAL) Stock Institutional Trading Activity
DELTA AIR LINES INC (DAL) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Hancock Classic Value, Olstein Capital Management, Appaloosa Management, Sequoia Financial Advisors, and First Eagle U.S. Value. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.
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- DELTA AIR LINES INC (DAL) stock institutional ownership
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| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q4 2018 | Olstein Capital Management | Sell | -26,000 | 147,000 | $7,335 |
| Q4 2018 | Miller Value Partners | Sell | -107,200 | 1,426,230 | $71,169 |
| Q3 2018 | Muhlenkamp & Co | Sell | -293 | 115,015 | $6,651 |
| Q3 2018 | Sound Shore Management | Sell | -30,734 | 2,841,995 | $164,353 |
| Q3 2018 | Olstein Capital Management | Sell | -5,000 | 173,000 | $10,005 |
| Q3 2018 | Miller Value Partners | Sell | -19,545 | 1,533,430 | $88,678 |
| Q3 2018 | Berkshire Hathaway | Buy | 1,869,160 | 65,535,000 | $3,789,889 |
| Q2 2018 | Muhlenkamp & Co | Sell | -55 | 115,308 | $5,712 |
| Q2 2018 | Sound Shore Management | Sell | -414,417 | 2,872,729 | $142,315 |
| Q2 2018 | Olstein Capital Management | Buy | 5,000 | 178,000 | $8,818 |
| Q2 2018 | Miller Value Partners | Sell | -8,725 | 1,552,975 | $76,934 |
| Q2 2018 | Berkshire Hathaway | Buy | 10,066,483 | 63,665,840 | $3,154,005 |
| Q1 2018 | Muhlenkamp & Co | Sell | -12,387 | 115,363 | $6,323 |
| Q1 2018 | Sound Shore Management | Sell | -65,954 | 3,287,146 | $180,168 |
| Q1 2018 | Olstein Capital Management | Buy | 18,000 | 173,000 | $9,482 |
| Q1 2018 | Miller Value Partners | Sell | -96,835 | 1,561,700 | $85,597 |
| Q1 2018 | Berkshire Hathaway | Buy | 488,962 | 53,599,357 | $2,937,781 |
| Q4 2017 | Muhlenkamp & Co | Sell | -2,395 | 127,750 | $7,154 |
| Q4 2017 | Sound Shore Management | Buy | 384,172 | 3,353,100 | $187,774 |
| Q4 2017 | Olstein Capital Management | Sell | -16,000 | 155,000 | $8,680 |
| Q4 2017 | Renaissance Technologies LLC | Sell | -157,800 | 1,451,000 | $81,256 |
| Q4 2017 | Miller Value Partners | Sell | -23,615 | 1,658,535 | $92,878 |
| Q3 2017 | Muhlenkamp & Co | Sell | -2,005 | 130,145 | $6,276 |
| Q3 2017 | Sound Shore Management | Buy | 24,687 | 2,968,928 | $143,162 |
| Q3 2017 | Olstein Capital Management | Buy | 6,700 | 171,000 | $8,246 |
| Q3 2017 | Renaissance Technologies LLC | Buy | 902,700 | 1,608,800 | $77,576 |
| Q3 2017 | Miller Value Partners | Sell | -23,975 | 1,682,150 | $81,113 |
| Q2 2017 | Muhlenkamp & Co | Buy | 1,905 | 132,150 | $7,102 |
| Q2 2017 | Sound Shore Management | Buy | 2,944,241 | 2,944,241 | $158,224 |
| Q2 2017 | Olstein Capital Management | Sell | -33,200 | 164,300 | $8,829 |
Frequently asked questions about DAL activity
Which institutional owners are buying DAL?
Institutional owners buying DAL include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in DAL activity?
"Buy" means an investor increased their reported position in DAL compared to the prior reporting period. This reflects growing exposure to DELTA AIR LINES INC (DAL) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in DAL increasing?
Institutional interest in DAL can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.