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 Boston Scientific Corporation (NYSE:BSX).

SEC data indicate these insiders have bought Boston Scientific Corporation’s stock since 06/30/2011:

• Mario Ernest: act as Director. On 08/02/2011, bought 100,000 shares, worth $682,000.
• Mario Ernest: act as Director. On 11/28/2011, bought 100,000 shares, worth $540,000.
• Mario Ernest: act as Director. On 10/25/2011, bought 25,000 shares, worth $137,500.
• Mario Ernest: act as Director. On 10/26/2011, bought 25,000 shares, worth $136,300.
• Mario Ernest: act as Director. On 11/21/2011, bought 25,000 shares, worth $132,500.

SEC data indicate that these institutions significantly increased their stock shares of Boston Scientific Corporation in Q3 2011:

• WEDGE CAPITAL MANAGEMENT L L P/NC: On 06/30/2011, held 0 shares. On 09/30/2011, held 3,892,450 shares, worth $23,004,380.
• PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO: On 06/30/2011, held 0 shares. On 09/30/2011, held 1,040,289 shares, worth $6,148,108.
• FEDERATED INVESTORS INC /PA/: On 06/30/2011, held 0 shares. On 09/30/2011, held 1,025,610 shares, worth $6,061,355.
• TEXAS PERMANENT SCHOOL FUND: On 06/30/2011, held 0 shares. On 09/30/2011, held 973,165 shares, worth $5,751,405.
• FIRST TRUST ADVISORS LP: On 06/30/2011, held 0 shares. On 09/30/2011, held 886,255 shares, worth $5,237,767.

About the company: Boston Scientific Corporation develops, manufactures, and markets minimally invasive medical devices. The Company’s products are used in interventional cardiology, cardiac rhythm management, peripheral interventions, electrophysiology, neurovascular intervention, endoscopy, urology, gynecology and neuromodulation.

Competitors to Watch: Medtronic, Inc. (NYSE:MDT), St. Jude Medical, Inc. (NYSE:STJ), Merit Medical Systems, Inc. (NASDAQ:MMSI), C.R. Bard, Inc. (NYSE:BCR), Abbott Laboratories (NYSE:ABT), Johnson & Johnson (NYSE:JNJ), Stryker Corporation (NYSE:SYK), Teleflex Incorporated (NYSE:TFX), AngioDynamics, Inc. (NASDAQ:ANGO), and The Spectranetics Corp. (NASDAQ:SPNC).

(Note: Data regarding Boston Scientific Corporation’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!