Primecap is an investment firm founded in 1983. They became well-known for their managing US-equity portfolio for the giant Vanguard. In 2004 they launched their mutual funds. The firm always had a large AUM but it managed to keep a low profile. Primecap Management portfolio stocks are valued at $126 billion divided into 325 holdings. The biggest holding which takes about 12% of the portfolio is Eli Lilly And Co. In distant second place is Micron Technology followed by Microsoft. Other important holdings include Amgen Inc, KLA Corp, and FedEx. Their investment strategy is based on four pillars…