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Illustration: Lazaro Gamio/Axios

Indigo Ag, a Charlestown, Mass.-based developer of crop sustainability and selling solutions, raised around $300 million in new Series F funding, Axios has learned.

Why it's the BFD: Indigo is the world's most highly valued agtech startup, with a $3.5 billion post-money valuation.

  • The Series F round total is expected to be around $500 million, including an initial $200 million announced in January (of which $175m was equity).
  • Return backers include Flagship Pioneering and Alaska Permanent Fund, while Riverstone Holdings is a new investor. Fedex also participated on the initial tranche, while the post-money valuation is flat from a Series E round raised at the end of 2008.
  • Indigo Ag declined comment.

The bottom line: "Indigo started with a microbe-based seed treatment in 2016 and has since evolved into an online grain marketplace, an online transport matchmaking service for that grain, a carbon market to give farmers a financial incentive for sequestering carbon with regenerative agriculture, and a data platform underscored by its acquisition of the satellite imagery business TellusLabs," writes AgFunder News.

Go deeper

Trump PACs raise over $82M for first half of 2021

Former President Trump during the Conservative Political Action Conference in Dallas, Texas, on July 11. Photo: Brandon Bell/Getty Images

Former President Trump's political action committees (PACs) raised more than $82 million in the first half of 2021, per Federal Election Commission filings published on Saturday.

Why it matters: It's a significant amount for a former president who's been banned from major social media platforms. It demonstrates his ability to raise huge sums of money should he choose to run for the presidency for a third time.

Updated 1 hour ago - Sports

Olympics dashboard

Team USA's Caeleb Dressel celebrates winning gold in the final of the men's 50m freestyle swimming event at the Tokyo 2020 Olympic Gameson Sunday. Photo: Odd Andersen/AFP via Getty Images

🚨: Simone Biles won't compete in Olympic floor finals, individual vault or uneven bars

🏊: U.S. wins gold in men's 4x100-meter medley relay, earning Caeleb Dressel fifth gold — American Bobby Finke wins gold in men's 1,500-meter freestyle

🏊‍♀️: Katie Ledecky wins gold in women's 800m freestyle

🇬🇧: Britain wins gold in new BMX freestyle category and gold in first-ever Olympic mixed 4x100m medley relay

💻: Japan tests teleporting games and "remote cheering"

🏳️‍⚧️: Axios at the Olympics: Games grapple with trans athletesTrans athletes see the Tokyo Games as a watershed moment

Go deeper: Full Axios coverage

Updated 1 hour ago - Sports

U.S. wins gold in men's 4x100-meter medley relay

USA's Ryan Murphy (L) and USA's Caeleb Dressel celebrate winning the final of the men's 4x100m medley relay swimming event during the Tokyo 2020 Olympic Games at the Tokyo Aquatics Centre in Tokyo on Sunday. Photo: Odd Andersen/AFP via Getty Images

Team USA win the gold medal in the men's 4x100-meter medley relay, setting a new world record in the process on Sunday morning local time.

Of note: Caeleb Dressel won his fifth Tokyo Games gold medal during the event— becoming the fifth American to do so after speedskater Eric Heiden and the swimmers Mark Spitz, Matt Biondi and Michael Phelps, who achieved the feat three times.