Harbor International Growth Fund Investor Class (HIIGX) is an open-end mutual fund that seeks long-term growth of capital primarily by investing no less than 65% of its total assets in equity securities, including common and preferred stocks, of foreign companies; it focuses on large growth stocks in developed international markets outside the United States, with allocations across sectors such as industrials, financials, consumer discretionary, health care, and consumer staples. The fund offers Investor Class shares with a net expense ratio of approximately 1.25%, including 12b-1 fees of 0.25%, and maintains assets under management of around $1.20 billion; it benchmarks performance against indices like the MSCI EAFE Growth Index. Managed by Harbor Capital Advisors, Inc., headquartered in Chicago, Illinois, with the fund inception dating to November 1, 2002, HIIGX employs a growth-oriented strategy targeting foreign large-cap companies in regions including Europe, Japan, and the Pacific ex-Japan. A significant subadviser change occurred in May 2013 when Baillie Gifford Overseas Limited replaced Marsico Capital Management, LLC, marking a key strategic shift in portfolio management; no major acquisitions, funding rounds, partnerships, or new product launches for the fund have been reported in the last 1-2 years as of December 2025. The fund serves individual and institutional investors seeking diversified exposure to international equities, with geographic operations centered on global developed markets excluding the U.S.