It was not clear why there was such a marked decline in the proportion of women leaders at Yahoo, which is led by Silicon Valley's most powerful female CEO, Marissa Mayer.
Last year, the microblogging site announced plans to lay off up to 336 employees, or about 8 percent of its workforce, a week after Jack Dorsey took over as permanent CEO.
The San Jose, Calif.-based company is expected to announce the cuts within the next few weeks, the report said, as the company transition from its hardware roots into a software-centric organization.
Many new tech users around the world turn to mobile phones for their computing needs, and corporations increasingly rely on big machines rather than desktop models to run their businesses.
The move comes three months after Chief Executive Officer Doug McMillon disclosed plans to review the retailer's global operations and shut underperforming stores.
The layoffs, which would result in more than 1,000 people leaving the tech giant, is set to affect Yahoo's media business, European operations, and platforms-technology group.