Jim Simons's position in Armstrong World Industries is currently worth $5.61 Million. That's 0.01% of their equity portfolio (1257th largest holding). The first Armstrong World Industries trade was made in Q4 2015. Since then Jim Simons bought shares fourteen more times and sold shares on eighteen occasions. The stake costed the investor $5.32 Million, netting the investor a gain of 5.5% so far.