Amazon considered a takeover of Whole Foods last fall, according to Bloomberg.

The report comes after activist investor Jana Partners took 9% stake in Whole Foods this week, urging the grocery company to continue its turnaround and even consider selling itself. Whole Foods has seen its shares fall by half since 2013, amid six straight quarters of declining same-store sales and increased competition from Walmart, Kroger, and more recently, Amazon (amzn, -0.37%).

Although Amazon didn’t end up pursuing an acquisition of Whole Foods (wfm, +0.99%), the interest isn’t surprising. The e-commerce giant has been experimenting with a line of convenience and grocery stores, called Amazon Go. Amazon also offers an online grocery delivery and ordering service, Amazon Fresh.

Amazon has been operating grocery…