Advanced Energy Industries, Inc.
A maker of precision power-conversion systems, Advanced Energy builds the plasma power products that etch and deposit circuits onto semiconductor wafers, and also powers high-end data-center, medical, and industrial equipment. Founded in 1981 in Fort Collins, Colorado by Douglas S. Schatz, it has grown into a global supplier whose technology often works inside machines that bear other companies' names, with the motto "Powering Technology Together."
Estimated from filings — the split-adjusted price range over the quarters each manager built the position. A range, not a fill price; 13F reports a quarter-end snapshot, not a trade date.