No, it doesn’t. This is dated, but since 2018, states have certainly not, as a whole, gerrymandered more in benefit of Democrats than Republicans.

In the 26 states that account for 85 percent of congressional districts, Republicans derive a net benefit of at least 16–17 congressional seats in the current Congress from partisan bias. This advantage represents a significant portion of the 24 seats Democrats would need to pick up to regain control of the U.S. House of Representatives in 2018.