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Illustration: Rebecca Zisser / Axios

It's well known that startups founded by women struggle to raise venture capital, but even the rare exceptions struggle to keep pace with male peers. Since 2008, less than half of all-female founding teams have secured follow-on capital for their startups, compared more than half of all-male founding teams, according to PitchBook.

Why it matters: Follow-on fundraising difficulties contribute to an unvirtuous cycle, dissuading some early-stage investors from backing female founders.

A tweet previously embedded here has been deleted or was tweeted from an account that has been suspended or deleted.

Only 39% of all-female founder teams raise follow-on funding for their startups, compared to 52% for all-male teams. Moreover, follow-on rounds for all-female teams comprise just 1.57% of all VC rounds since 2008.

  • A smaller percentage of all-female founder teams (30%) raise a second round of funding than do all-male teams (38.8%), according to data from PitchBook.
  • Third rounds are an exception, with slightly higher rate of all-female teams raising a third round than all-male teams (45.7% vs. 43.3%).
  • Last year, startups founded by all-female teams raised only 6% of all seed capital and just 3% of all VC dollars beyond that stage, according to Crunchbase.

Since 2012, mixed-gender founder teams have raised between 11% and 13% of seed capital (compared to less than half of that for all-female teams), according to Crunchbase.

But, but, but, BBG Ventures' Susan Lyne, whose firm exclusively invests in teams with a least one female founders, tells Axios: "Of companies that went out to raise a series A, most have been successful—and often in less time than it took them to raise their seed rounds.”

  • Female Founders Fund partner Anu Duggal adds that while seed investing is mostly about backing a team and an idea, subsequent stages become more about the business and its numbers. "In some ways the Series A has leveled the playing field,” she says.
  • So it's hard to generalize for all female founders, and securing well-respected investors can help with future signaling.

Go deeper

Del Rio bridge camp empty following Haitian migrant surge

A boy bathes himself in a jug of water inside a migrant camp at the U.S.-Mexico border on Sept. 21 in Del Rio, Texas. Photo: John Moore/Getty Images

The last migrants camping under the Del Rio International Bridge, which connects Texas and Mexico, departed on Friday, Homeland Security Secretary Alejandro Mayorkas announced during a White House press briefing.

Driving the news: Thousands of migrants, mostly from Haiti, had arrived to the makeshift camp after crossing the southern border seeking asylum. Roughly 1,800 migrants will now head to U.S. Customs and Border Protection processing centers.

White House says it expects federal contractors to be vaccinated by Dec. 8

Photo: Stefani Reynolds/Bloomberg via Getty Images

The White House said in new guidance Friday that it expects millions of federal contractors to be vaccinated against the coronavirus no later than Dec. 8.

Why it matters: Companies with federal contractors have been waiting for formal guidance from the White House before requiring those employees to get vaccinated, according to Reuters.

CDC director maintains Pfizer booster recommendation for high-risk workers

Rochelle Walensky listens during a confirmation hearing on July 20. Photo: Stefani Reynolds/The New York Times/Bloomberg via Getty Images

Centers for Disease Control and Prevention director Rochelle Walensky on Friday reiterated her decision to go against a recommendation by a CDC advisory panel that refused to endorse booster shots for workers whose jobs put them at high risk for contracting COVID-19.

Driving the news: "Our healthcare systems are once again at maximum capacity in parts of the country, our teachers are facing uncertainty as they walk into the classroom," Walensky said at a Friday briefing. "I must do what I can to preserve the health across our nation."