Insiders are generally long-term investors due to restriction in making short-term profits. In contrast, wealth management institutions always have short-term investment. Wall St. Watchdog reveals information regarding the insiders and institutions which recently increased stock shares of Delta Air Lines Inc. (NYSE:DAL).

SEC data indicate that these institutions significantly increased their stock shares of Delta Air Lines Inc. in Q3 2011:

• CAPITAL GROWTH MANAGEMENT LP: On 06/30/2011, held 0 shares. On 09/30/2011, held 18,010,000 shares, worth $135,075,000.
• HIGHBRIDGE CAPITAL MANAGEMENT LLC: On 06/30/2011, held 0 shares. On 09/30/2011, held 4,376,411 shares, worth $32,823,083.
• FBR & CO.: On 06/30/2011, held 0 shares. On 09/30/2011, held 842,500 shares, worth $6,318,750.
• PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO: On 06/30/2011, held 0 shares. On 09/30/2011, held 676,000 shares, worth $5,070,000.
• RENAISSANCE TECHNOLOGIES LLC: On 06/30/2011, held 0 shares. On 09/30/2011, held 589,900 shares, worth $4,424,250.

About the company: Delta Air Lines, Inc. provides scheduled air transportation for passengers, freight, and mail over a network of routes throughout the United States and internationally.

Competitors to Watch: AMR Corporation (NYSE:AMR), United Continental Hldgs., Inc. (NYSE:UAL), Alaska Air Group, Inc. (NYSE:ALK), US Airways Group, Inc. (NYSE:LCC), Southwest Airlines Co. (NYSE:LUV), JetBlue Airways Corp. (NASDAQ:JBLU), AirTran Holdings, Inc. (NYSE:AAI), Hawaiian Holdings, Inc. (NASDAQ:HA), SkyWest, Inc. (NASDAQ:SKYW).

(Note: Data regarding Delta Air Lines Inc.’s stock holdings are sourced from whalewisdom.com. All data are assumed to be accurate.)

Advantage: Check out our interactive stock charts, fundamentals, Twitter stream, and more >>

Improve Your 2011 Financial Health: Join the winning team of stock pickers with Wall St. Cheat Sheet’s acclaimed premium newsletter>>

Get Your FREE Special Report: 4 Things You Must Know About the US Economy Now!