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Rtw Investments, Llc Buys Dicerna Pharmaceuticals Inc, Global Blood Therapeutics Inc, Achillion Pharmaceuticals Inc, Sells Alnylam Pharmaceuticals Inc, AveXis Inc, bluebird bio Inc

New York, NY, based Investment company Rtw Investments, Llc buys Dicerna Pharmaceuticals Inc, Global Blood Therapeutics Inc, Achillion Pharmaceuticals Inc, Edwards Lifesciences Corp, Proteostasis Therapeutics Inc, uniQure NV, Vericel Corp, Odonate Therapeutics Inc, OraSure Technologies Inc, ViewRay Inc, sells Alnylam Pharmaceuticals Inc, AveXis Inc, bluebird bio Inc, Oxford Immunotec Global PLC, Tactile Systems Technology Inc during the 3-months ended 2017-12-31, according to the most recent filings of the investment company, Rtw Investments, Llc. As of 2017-12-31, Rtw Investments, Llc owns 31 stocks with a total value of $599 million. These are the details of the buys and sells.

For the details of RTW INVESTMENTS, LLC's stock buys and sells, go to http://www.gurufocus.com/StockBuy.php?GuruName=RTW+INVESTMENTS%2C+LLC

These are the top 5 holdings of RTW INVESTMENTS, LLC
  1. PTC Therapeutics Inc (PTCT) - 4,130,115 shares, 11.5% of the total portfolio. Shares added by 18.17%
  2. Regenxbio Inc (RGNX) - 1,561,210 shares, 8.67% of the total portfolio. Shares added by 1.44%
  3. Bristol-Myers Squibb Company (BMY) - 839,452 shares, 8.59% of the total portfolio. Shares added by 1.44%
  4. Alnylam Pharmaceuticals Inc (ALNY) - 358,774 shares, 7.61% of the total portfolio. Shares reduced by 42.44%
  5. Dicerna Pharmaceuticals Inc (DRNA) - 5,035,662 shares, 7.37% of the total portfolio. Shares added by 142.22%
New Purchase: Edwards Lifesciences Corp (EW)

Rtw Investments, Llc initiated holdings in Edwards Lifesciences Corp. The purchase prices were between $101.38 and $118.18, with an estimated average price of $109.99. The stock is now traded at around $133.67. The impact to the portfolio due to this purchase was 2.31%. The holdings were 123,000 shares as of 2017-12-31.

New Purchase: Proteostasis Therapeutics Inc (PTI)

Rtw Investments, Llc initiated holdings in Proteostasis Therapeutics Inc. The purchase prices were between $1.56 and $6.14, with an estimated average price of $2.74. The stock is now traded at around $2.99. The impact to the portfolio due to this purchase was 1.46%. The holdings were 1,500,000 shares as of 2017-12-31.

New Purchase: uniQure NV (QURE)

Rtw Investments, Llc initiated holdings in uniQure NV. The purchase prices were between $9.47 and $19.59, with an estimated average price of $15.23. The stock is now traded at around $25.42. The impact to the portfolio due to this purchase was 1.32%. The holdings were 403,524 shares as of 2017-12-31.

New Purchase: Vericel Corp (VCEL)

Rtw Investments, Llc initiated holdings in Vericel Corp. The purchase prices were between $3.65 and $5.98, with an estimated average price of $4.62. The stock is now traded at around $8.00. The impact to the portfolio due to this purchase was 1.19%. The holdings were 1,304,801 shares as of 2017-12-31.

New Purchase: Odonate Therapeutics Inc (ODT)

Rtw Investments, Llc initiated holdings in Odonate Therapeutics Inc. The purchase prices were between $22.67 and $25, with an estimated average price of $23.63. The stock is now traded at around $26.99. The impact to the portfolio due to this purchase was 1.13%. The holdings were 297,555 shares as of 2017-12-31.

New Purchase: Five Prime Therapeutics Inc (FPRX)

Rtw Investments, Llc initiated holdings in Five Prime Therapeutics Inc. The purchase prices were between $20.05 and $46.8, with an estimated average price of $32.25. The stock is now traded at around $21.26. The impact to the portfolio due to this purchase was 0.37%. The holdings were 100,377 shares as of 2017-12-31.

Added: Dicerna Pharmaceuticals Inc (DRNA)

Rtw Investments, Llc added to the holdings in Dicerna Pharmaceuticals Inc by 142.22%. The purchase prices were between $5.06 and $9.84, with an estimated average price of $7.34. The stock is now traded at around $12.76. The impact to the portfolio due to this purchase was 4.33%. The holdings were 5,035,662 shares as of 2017-12-31.

Added: Global Blood Therapeutics Inc (GBT)

Rtw Investments, Llc added to the holdings in Global Blood Therapeutics Inc by 2186.90%. The purchase prices were between $29.7 and $45.7, with an estimated average price of $37.32. The stock is now traded at around $58.65. The impact to the portfolio due to this purchase was 3.78%. The holdings were 601,683 shares as of 2017-12-31.

Added: Achillion Pharmaceuticals Inc (ACHN)

Rtw Investments, Llc added to the holdings in Achillion Pharmaceuticals Inc by 72.80%. The purchase prices were between $2.76 and $4.76, with an estimated average price of $3.64. The stock is now traded at around $3.25. The impact to the portfolio due to this purchase was 2.74%. The holdings were 13,546,902 shares as of 2017-12-31.

Added: OraSure Technologies Inc (OSUR)

Rtw Investments, Llc added to the holdings in OraSure Technologies Inc by 63.98%. The purchase prices were between $13.44 and $22.81, with an estimated average price of $18.14. The stock is now traded at around $17.26. The impact to the portfolio due to this purchase was 1.08%. The holdings were 878,452 shares as of 2017-12-31.

Added: ViewRay Inc (VRAY)

Rtw Investments, Llc added to the holdings in ViewRay Inc by 32.12%. The purchase prices were between $5.6 and $9.9, with an estimated average price of $7.98. The stock is now traded at around $8.31. The impact to the portfolio due to this purchase was 0.51%. The holdings were 1,348,210 shares as of 2017-12-31.

Added: Bovie Medical Corp (BVX)

Rtw Investments, Llc added to the holdings in Bovie Medical Corp by 53.79%. The purchase prices were between $2.58 and $4.05, with an estimated average price of $3.12. The stock is now traded at around $2.47. The impact to the portfolio due to this purchase was 0.27%. The holdings were 1,752,611 shares as of 2017-12-31.

Sold Out: bluebird bio Inc (BLUE)

Rtw Investments, Llc sold out the holdings in bluebird bio Inc. The sale prices were between $125.45 and $201.8, with an estimated average price of $156.47.

Sold Out: Spring Bank Pharmaceuticals Inc (SBPH)

Rtw Investments, Llc sold out the holdings in Spring Bank Pharmaceuticals Inc. The sale prices were between $12.06 and $18.72, with an estimated average price of $14.88.

Reduced: Alnylam Pharmaceuticals Inc (ALNY)

Rtw Investments, Llc reduced to the holdings in Alnylam Pharmaceuticals Inc by 42.44%. The sale prices were between $114.49 and $139.98, with an estimated average price of $125.51. The stock is now traded at around $120.16. The impact to the portfolio due to this sale was -5.42%. Rtw Investments, Llc still held 358,774 shares as of 2017-12-31.

Reduced: AveXis Inc (AVXS)

Rtw Investments, Llc reduced to the holdings in AveXis Inc by 39.86%. The sale prices were between $91.97 and $114.8, with an estimated average price of $100.46. The stock is now traded at around $123.73. The impact to the portfolio due to this sale was -3.14%. Rtw Investments, Llc still held 281,242 shares as of 2017-12-31.

Reduced: Oxford Immunotec Global PLC (OXFD)

Rtw Investments, Llc reduced to the holdings in Oxford Immunotec Global PLC by 63.6%. The sale prices were between $12.47 and $17, with an estimated average price of $14.65. The stock is now traded at around $10.90. The impact to the portfolio due to this sale was -1.92%. Rtw Investments, Llc still held 375,792 shares as of 2017-12-31.

Reduced: Tactile Systems Technology Inc (TCMD)

Rtw Investments, Llc reduced to the holdings in Tactile Systems Technology Inc by 40.44%. The sale prices were between $24.45 and $32.96, with an estimated average price of $29. The stock is now traded at around $32.36. The impact to the portfolio due to this sale was -0.77%. Rtw Investments, Llc still held 210,366 shares as of 2017-12-31.



Here is the complete portfolio of RTW INVESTMENTS, LLC. Also check out:

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3. RTW INVESTMENTS, LLC's High Yield stocks
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