Baillie Gifford's position in Advanced Drainage Systems is currently worth $356M. That's 0.26% of their equity portfolio (70th largest holding). The investor owns 3.18% of the outstanding Advanced Drainage Systems stock. Baillie Gifford started to build up the position in Advanced Drainage Systems in Q4 2022 and continued to invest until Q2 2023. Since then they sold 1.14M shares. The stake costed the investor $223M, netting the investor a gain of 60% so far.