Other institutional investors and hedge funds have also recently bought and sold shares of the company. Vanguard Group Inc. increased its holdings in Pfizer by 0.9% in the 1st quarter. Vanguard Group Inc. now owns 523,165,127 shares of the biopharmaceutical company's stock valued at $13,257,004,000 after purchasing an additional 4,629,976 shares during the last quarter. Northern Trust Corp grew its stake in shares of Pfizer by 6.8% in the first quarter. Northern Trust Corp now owns 62,325,957 shares of the biopharmaceutical company's stock valued at $1,579,340,000 after buying an additional 3,943,397 shares in the last quarter. Amundi grew its stake in shares of Pfizer by 43.4% in the first quarter. Amundi now owns 52,090,403 shares of the biopharmaceutical company's stock valued at $1,265,277,000 after buying an additional 15,758,846 shares in the last quarter. Invesco Ltd. grew its position in Pfizer by 2.8% in the 1st quarter.