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 decreased stock shares of AmerisourceBergen Corporation (NYSE:ABC).

SEC data indicate these insiders have sold AmerisourceBergen Corporation’s stock since 06/30/2011:

• Hagenlocker Edward E: act as Director. On 09/08/2011, sold 19,446 shares, worth $774,300.
• Gozon Richard C: act as Director. On 09/20/2011, sold 17,022 shares, worth $675,900.

SEC data indicate that these institutions significantly reduced their stock shares of AmerisourceBergen Corporation in Q3 2011:

• RENAISSANCE GROUP LLC: On 06/30/2011, held 1,699,463 shares, worth $69,915,908. On 09/30/2011, held 0 shares.
• BURGUNDY ASSET MANAGEMENT LTD.: On 06/30/2011, held 1,165,829 shares, worth $47,962,205. On 09/30/2011, held 0 shares.
• DEERFIELD MANAGEMENT CO /NY: On 06/30/2011, held 625,000 shares, worth $25,712,500. On 09/30/2011, held 0 shares.
• TWO SIGMA INVESTMENTS LLC: On 06/30/2011, held 368,551 shares, worth $15,162,188. On 09/30/2011, held 0 shares.
• MARSHALL & ILSLEY CORP: On 06/30/2011, held 315,322 shares, worth $12,972,347. On 09/30/2011, held 0 shares.

About the company: AmerisourceBergen Corporation is a pharmaceutical services company. The Company distributes pharmaceutical products and services. AmerisourceBergen distributes an offering of brand name and generic pharmaceuticals, over-the-counter healthcare products, home healthcare supplies and equipment, and related services to a variety of healthcare providers.

Competitors to Watch: McKesson Corporation (NYSE:MCK), Cardinal Health, Inc. (NYSE:CAH), Henry Schein, Inc. (NASDAQ:HSIC), Omnicare, Inc. (NYSE:OCR), BioScrip Inc. (NASDAQ:BIOS), Grupo Casa Saba, S.A. (NYSE:SAB), Owens & Minor, Inc. (NYSE:OMI), Patterson Companies, Inc. (NASDAQ:PDCO), PSS World Medical, Inc. (NASDAQ:PSSI), and MWI Veterinary Supply, Inc. (NASDAQ:MWIV).

(Note: Data regarding AmerisourceBergen Corporation’s stock holdings are sourced from whalewisdom.com. All data are assumed to be accurate.)

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