This Asset Manager’s New Top Healthcare Stock Position Changes

Following is information regarding Thomas Weisel Partners Asset Management LLC’s stock holdings in the Healthcare sector:

  • Map Pharmaceuticals, Inc. (NASDAQ:MAPP): On 6/30/11 Thomas Weisel Partners Asset Management LLC reported holding 349,954 shares with a market value of $5,588,765. This comprised 1.69% of the total portfolio. On 9/30/11, Thomas Weisel Partners Asset Management LLC held 368,566 shares with a market value of $5,388,435. This comprised 1.87% of the total portfolio. The net change in shares for this position over the two quarters is 18,612. About the company: MAP Pharmaceuticals Inc. is a biopharmaceutical company. The Company develops treatments for respiratory and CNS diseases.
  • Hansen Medical, Inc. (NASDAQ:HNSN): On 6/30/11 Thomas Weisel Partners Asset Management LLC reported holding 1,554,562 shares with a market value of $5,301,057. This comprised 1.61% of the total portfolio. On 9/30/11, Thomas Weisel Partners Asset Management LLC held 1,554,562 shares with a market value of $5,161,146. This comprised 1.79% of the total portfolio. The net change in shares for this position over the two quarters is 0,000. About the company: Hansen Medical, Inc. develops and manufactures medical robotics designed for positioning, manipulation and control of catheters and catheter-based technologies.
  • Jazz Pharmaceuticals, Inc. (NASDAQ:JAZZ): On 6/30/11 Thomas Weisel Partners Asset Management LLC reported holding 52,031 shares with a market value of $1,735,234. This comprised 0.53% of the total portfolio. On 9/30/11, Thomas Weisel Partners Asset Management LLC held 94,900 shares with a market value of $3,955,432. This comprised 1.37% of the total portfolio. The net change in shares for this position over the two quarters is 42,869. About the company: Jazz Pharmaceuticals, Inc. develops and markets treatments for neurological and psychiatric conditions. The Company produces treatments for cataplexy, excessive daytime sleepiness, and ethylene glycol and methanol poisoning in humans.
  • Trans1, Inc. (NASDAQ:TSON): On 6/30/11 Thomas Weisel Partners Asset Management LLC reported holding 1,029,545 shares with a market value of $4,715,316. This comprised 1.43% of the total portfolio. On 9/30/11, Thomas Weisel Partners Asset Management LLC held 1,029,545 shares with a market value of $3,088,635. This comprised 1.07% of the total portfolio. The net change in shares for this position over the two quarters is 0,000. About the company: TranS1 Inc. designs, develops, and markets medical devices to treat degenerative disc disease affecting the lower lumbar region of the spine.
  • Pharmasset, Inc. (NASDAQ:VRUS): On 6/30/11 Thomas Weisel Partners Asset Management LLC reported holding 17,896 shares with a market value of $2,007,931. This comprised 0.61% of the total portfolio. On 9/30/11, Thomas Weisel Partners Asset Management LLC held 30,493 shares with a market value of $2,511,708. This comprised 0.87% of the total portfolio. The net change in shares for this position over the two quarters is 12,597. About the company: Pharmasset, Inc. is a pharmaceutical company. The Company develops oral therapeutics for the human immunodeficiency virus, hepatitis B, and hepatitis C.
  • HMS Holdings Corp. (NASDAQ:HMSY): On 6/30/11 Thomas Weisel Partners Asset Management LLC reported holding 17,679 shares with a market value of $1,358,985. This comprised 0.41% of the total portfolio. On 9/30/11, Thomas Weisel Partners Asset Management LLC held 85,918 shares with a market value of $2,095,540. This comprised 0.73% of the total portfolio. The net change in shares for this position over the two quarters is 68,239. About the company: HMS Holdings Corporation provides proprietary information management and data processing products and services. The Company furnishes these products to hospitals and health care providers, government health service agencies, payers or purchasers of health care, and companies serving the health care industry.
  • Masimo Corporation (NASDAQ:MASI): On 6/30/11 Thomas Weisel Partners Asset Management LLC reported holding 50,098 shares with a market value of $1,486,909. This comprised 0.45% of the total portfolio. On 9/30/11, Thomas Weisel Partners Asset Management LLC held 80,366 shares with a market value of $1,738,317. This comprised 0.60% of the total portfolio. The net change in shares for this position over the two quarters is 30,268. About the company: Masimo Corporation designs, develops and licenses medical signal processing and sensor technology for the noninvasive monitoring of physiological parameters. The Company’s first products are designed to improve the effectiveness of pulse oximetry by overcoming the inability of current monitors to precisely measure the levels of arterial blood oxygen saturation and low arterial blood flow.
  • Mednax, Inc. (NYSE:MD): On 6/30/11 Thomas Weisel Partners Asset Management LLC reported holding 24,308 shares with a market value of $1,754,795. This comprised 0.53% of the total portfolio. On 9/30/11, Thomas Weisel Partners Asset Management LLC held 27,661 shares with a market value of $1,732,685. This comprised 0.60% of the total portfolio. The net change in shares for this position over the two quarters is 3,353. About the company: MEDNAX, Inc., through a subsidiary, provides physician management services to hospital-based neonatal, maternal – fetal, pediatric cardiology, and pediatric intensive care specialties. The Company also manages anesthesia practices.
  • Avanir Pharmaceuticals (NASDAQ:AVNR): On 6/30/11 Thomas Weisel Partners Asset Management LLC reported holding 593,592 shares with a market value of $1,994,469. This comprised 0.60% of the total portfolio. On 9/30/11, Thomas Weisel Partners Asset Management LLC held 593,592 shares with a market value of $1,697,673. This comprised 0.59% of the total portfolio. The net change in shares for this position over the two quarters is 0,000. About the company: AVANIR Pharmaceuticals Inc. develops, acquires, and markets treatments for central nervous system disorders, inflammation, and infectious diseases.
  • Cyberonics, Inc. (NASDAQ:CYBX): On 6/30/11 Thomas Weisel Partners Asset Management LLC reported holding 32,976 shares with a market value of $921,679. This comprised 0.28% of the total portfolio. On 9/30/11, Thomas Weisel Partners Asset Management LLC held 57,145 shares with a market value of $1,617,203. This comprised 0.56% of the total portfolio. The net change in shares for this position over the two quarters is 24,169. About the company: Cyberonics, Inc. designs, develops, and markets medical devices. The Company’s devices are used for the treatment of epilepsy and other debilitating neurological, psychiatric, and other disorders. Cyberonics’ NCP System is approved for sale in the United States, Europe, Canada, and other markets.

(Note: Data regarding Thomas Weisel Partners Asset Management LLC’s stock holdings are sourced from whalewisdom. All data are assumed to be accurate.)

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