The Oakmark Funds are advised by Harris Associates L.P. an autonomous subsidiary of Natixis Investment Managers, L.P.

Learn more about the principles and philosophy behind our funds at HarrisAssoc.com.

Harris Associates

111 South Wacker Drive, Suite 4600
Chicago, Illinois 60606
312-646-3600

Bill Nygren portrait

William C. Nygren, CFA

Partner and CIO-U.S.

Bill Nygren has been a manager of the Oakmark Select Fund since 1996, the Oakmark Fund since 2000 and the Oakmark U.S. Large Cap ETF since 2024. He was a manager of the Oakmark Global Select Fund from 2006 to 2023. Mr. Nygren is also the chief investment officer-U.S. at Harris Associates, which he joined in 1983, and a vice president of the Oakmark Funds. He served as the firm’s director of U.S. research from 1990 to 1998.

Mr. Nygren has received many accolades during his investment career, including being named Morningstar’s Domestic Stock Manager of the Year for 2001.

He holds an M.S. in finance from the University of Wisconsin’s Applied Security Analysis Program (1981) and a B.S. in accounting from the University of Minnesota (1980).

According to Morningstar, the Morningstar Manager of the Year award is presented to portfolio managers based on the managers’ (i) “ability to generate exceptional returns;” (ii) “willingness to align their interests with shareholders;” and (iii) “courage to stay with their strategies in order to produce superior risk-adjusted returns in the end.

Funds under management

Commentary

Our bottom-up approach to a top-down crisis | U.S. equity market commentary 2Q 2025

June 30, 2025

Despite the shortest bear market in modern times, we had some opportunity to capitalize on the chaos.

Oakmark Fund: Second Calendar Quarter 2025

June 30, 2025

Market volatility early in the quarter provided an opportunity to reposition the portfolio. A bank holding was the top contributor this quarter, while a financial technology holding was the top detractor.

Oakmark Select Fund: Second Calendar Quarter 2025

June 30, 2025

Market volatility early in the quarter provided an opportunity to reposition the portfolio. A communication services holding was the top contributor this quarter, while a health care holding was the top detractor.

News + Insights

Bill Nygren- Portfolio Manager- CNBC image

News

Bill Nygren on CNBC’s “Squawk Box” (08.08.25)

August 8, 2025

CIO-U.S. and Portfolio Manager Bill Nygren joined CNBC’s “Squawk Box” to discuss the latest market trends, top value stock picks for investor portfolios, and...

Bill Nygren news image

News

NYSE TV “What’s the Fund?” highlights the Oakmark U.S. Large Cap ETF

July 23, 2025

CIO-U.S. and Portfolio Manager Bill Nygren discusses the recently launched Oakmark U.S. Large Cap ETF (OAKM), with NYSE TV "What's the Fund?"

Bill Nygren news image

Insights

U.S. equities: Taking on turbulence

July 15, 2025

Bill Nygren, CIO–U.S. and Portfolio Manager, shares our approach to handling macro shocks and taking advantage of market disruptions.

We do value investing differently

At Oakmark, we don’t have an opinion about how equities will perform this year, if a recession will start or if the political parties will produce pro-growth candidates during the next election cycle. As long-term investors, we don’t think it matters.