These are the top 5 holdings of Candriam Luxembourg S.C.A. Microsoft Corp (MSFT) - 1,953,593 shares, 3.51% of the total portfolio. Apple Inc (AAPL) - 3,213,399 shares, 3.44% of the total portfolio. Alphabet Inc (GOOGL) - 175,019 shares, 2.47% of the total portfolio. Amgen Inc (AMGN) - 1,324,205 shares, 2.46% of the total portfolio. Merck & Co Inc (MRK) - 3,656,621 shares, 2.41% of the total portfolio. New Purchase: Seagen Inc (SGEN) Candriam Luxembourg S.C.A. initiated holding in Seagen Inc. The purchase prices were between $137.51 and $190.8, with an estimated average price of $161.21. The stock is now traded at around $141.670000. The impact to a portfolio due to this purchase was 0.72%. The holding were 512,657 shares as of 2021-03-31.