Partner Fund Management, L.P. Buys Universal Health Services Inc, Eli Lilly and Co, McKesson Corp, Sells Immunomedics Inc, Square Inc, Biomarin Pharmaceutical Inc

• New Purchases: UHS, LLY, MCK, UNH, GH, BMY, NVAX, WAT, JWS, LUNG, CYTK, CNC, STTK, IONS, ZLAB, KNTE, SPRB, CERT, OSH, EDIT,
• Added Positions: ABBV, ACAD, ALXN, AZN, AVTR, RCUS, ANTM, MYOV, ADAP, PFE, IQV, BIIB, THC, HRTX, ATHA, OM, DHR, IRTC,
• Reduced Positions: BMRN, CNST, MOH, GILD, TRIL, PEN, MRTX, ICUI, HCA, RVMD, LH, HZNP, PPD, NVRO, HSIC,
• Sold Out: IMMU, SQ, MSFT, PKI, HOLX, NXPI, DE, AMZN, NVDA, APTV, NEE, IOVA, RNA, KRTX, SHOP, V, ALLO, ST, ZEN, VTRS,

For the details of Partner Fund Management, L.P.'s stock buys and sells, go to https://www.gurufocus.com/guru/partner+fund+management%2C+l.p./current-portfolio/portfolio

1. Alexion Pharmaceuticals Inc (ALXN) - 981,131 shares, 5.71% of the total portfolio. Shares added by 39.40%
2. Outset Medical Inc (OM) - 2,911,207 shares, 5.61% of the total portfolio. Shares added by 1.33%
3. AbbVie Inc (ABBV) - 926,823 shares, 3.70% of the total portfolio. Shares added by 84.72%
4. Horizon Therapeutics PLC (HZNP) - 1,328,803 shares, 3.62% of the total portfolio. Shares reduced by 2.25%
5. Arcus Biosciences Inc (RCUS) - 3,373,460 shares, 3.26% of the total portfolio. Shares added by 32.97%

Partner Fund Management, L.P. initiated holding in Universal Health Services Inc. The purchase prices were between $105.45 and $139.73, with an estimated average price of $124.71. The stock is now traded at around $129.670000. The impact to a portfolio due to this purchase was 2.26%. The holding were 442,044 shares as of 2020-12-31.

Partner Fund Management, L.P. initiated holding in Eli Lilly and Co. The purchase prices were between $130.46 and $172.63, with an estimated average price of $149.39. The stock is now traded at around $200.920000. The impact to a portfolio due to this purchase was 2.21%. The holding were 350,645 shares as of 2020-12-31.

Partner Fund Management, L.P. initiated holding in McKesson Corp. The purchase prices were between $143.79 and $183.66, with an estimated average price of $166.85. The stock is now traded at around $177.620000. The impact to a portfolio due to this purchase was 2%. The holding were 308,987 shares as of 2020-12-31.

Partner Fund Management, L.P. initiated holding in UnitedHealth Group Inc. The purchase prices were between $303.68 and $356.82, with an estimated average price of $335.55. The stock is now traded at around $324.580000. The impact to a portfolio due to this purchase was 1.33%. The holding were 102,099 shares as of 2020-12-31.

Partner Fund Management, L.P. initiated holding in Guardant Health Inc. The purchase prices were between $99.96 and $135.93, with an estimated average price of $115.17. The stock is now traded at around $170.450000. The impact to a portfolio due to this purchase was 1.09%. The holding were 227,876 shares as of 2020-12-31.

Partner Fund Management, L.P. initiated holding in Bristol-Myers Squibb Company. The purchase prices were between $57.74 and $65.43, with an estimated average price of $61.52. The stock is now traded at around $60.600000. The impact to a portfolio due to this purchase was 1.04%. The holding were 451,275 shares as of 2020-12-31.

Partner Fund Management, L.P. added to a holding in AbbVie Inc by 84.72%. The purchase prices were between $80.49 and $108.67, with an estimated average price of $96.24. The stock is now traded at around $105.010000. The impact to a portfolio due to this purchase was 1.7%. The holding were 926,823 shares as of 2020-12-31.

Partner Fund Management, L.P. added to a holding in ACADIA Pharmaceuticals Inc by 199.10%. The purchase prices were between $41.04 and $56.79, with an estimated average price of $49.76. The stock is now traded at around $51.730000. The impact to a portfolio due to this purchase was 1.67%. The holding were 1,259,474 shares as of 2020-12-31.

Partner Fund Management, L.P. added to a holding in Alexion Pharmaceuticals Inc by 39.40%. The purchase prices were between $111.55 and $158.03, with an estimated average price of $128.71. The stock is now traded at around $155.510000. The impact to a portfolio due to this purchase was 1.61%. The holding were 981,131 shares as of 2020-12-31.

Partner Fund Management, L.P. added to a holding in AstraZeneca PLC by 182.19%. The purchase prices were between $48.52 and $58.02, with an estimated average price of $52.94. The stock is now traded at around $50.590000. The impact to a portfolio due to this purchase was 1.32%. The holding were 1,094,600 shares as of 2020-12-31.

Partner Fund Management, L.P. added to a holding in Avantor Inc by 63.32%. The purchase prices were between $22.9 and $28.15, with an estimated average price of $25.82. The stock is now traded at around $28.690000. The impact to a portfolio due to this purchase was 0.85%. The holding were 2,074,259 shares as of 2020-12-31.

Partner Fund Management, L.P. added to a holding in Arcus Biosciences Inc by 32.97%. The purchase prices were between $17 and $32.36, with an estimated average price of $24.32. The stock is now traded at around $31.660000. The impact to a portfolio due to this purchase was 0.81%. The holding were 3,373,460 shares as of 2020-12-31.

Partner Fund Management, L.P. sold out a holding in Immunomedics Inc. The sale prices were between $85.08 and $87.86, with an estimated average price of $86.65.

Partner Fund Management, L.P. sold out a holding in Square Inc. The sale prices were between $154.88 and $241.58, with an estimated average price of $195.49.

Partner Fund Management, L.P. sold out a holding in Microsoft Corp. The sale prices were between $202.33 and $224.96, with an estimated average price of $215.07.

Partner Fund Management, L.P. sold out a holding in PerkinElmer Inc. The sale prices were between $122.05 and $147.91, with an estimated average price of $133.22.

Partner Fund Management, L.P. sold out a holding in Hologic Inc. The sale prices were between $65.85 and $76.67, with an estimated average price of $70.66.

Partner Fund Management, L.P. sold out a holding in NXP Semiconductors NV. The sale prices were between $127.39 and $166.37, with an estimated average price of $147.64.