Andrew N. O'Brien, CFA

Assistant Director of Equity Research

Mr. O’Brien is Assistant Director of Equity Research, providing oversight and strategic direction to Putnam's team of equity analysts. In addition, he is a Portfolio Manager of the Putnam Global Technology Fund and Putnam Research Fund. Mr. O'Brien is also an analyst in Putnam's Equity Research group, focusing on the U.S. technology sector. He is responsible for conducting fundamental analysis, developing insights on material sustainability issues, assessing valuations, and making buy/sell recommendations for companies in the semiconductor, hardware, and software industries. Previously at Putnam, he served as an Investment Associate on the U.S. consumer team. Mr. O'Brien has been in the investment industry since he joined Putnam in 2011.

Funds managed

Putnam Global Technology Fund

Blog posts

Implications of the Huawei export ban


With Huawei blocked by the U.S. Commerce Department from buying U.S. technology, we discuss ramifications on the technology sector and how the ban may end.