Marshall Wace’s iShares US Basic Materials ETF IYM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
– Sell
-18,576
Closed -$3.27M – 3443
2026
Q1
$3.27M Buy
+18,576
New +$3.25M ﹤0.01% 1528
2021
Q2
– Sell
-2,998
Closed -$376K – 2845
2021
Q1
$376K Buy
+2,998
New +$358K ﹤0.01% 2044

Other funds holding IYM

Marshall Wace's IYM Position: Q2 2026 in Review

Marshall Wace sold out of iShares US Basic Materials ETF (IYM) in Q2 2026, closing a stake of 18,576 shares — an estimated $3.27M sold.

Marshall Wace first reported a position in IYM in Q1 2021 and held it in 2 quarters. The position peaked at $3.27M in Q1 2026. 274 funds tracked by Wall St. Rank hold IYM as of Q2 2026.

  • Marshall Wace reported no remaining iShares US Basic Materials ETF position as of Q2 2026 after selling out during the quarter.
  • Marshall Wace sold 18,576 iShares US Basic Materials ETF shares in Q2 2026, an estimated $3.27M.
  • Marshall Wace first reported a position in iShares US Basic Materials ETF in Q1 2021 and held it in 2 quarters.
  • Marshall Wace's iShares US Basic Materials ETF position peaked at $3.27M in Q1 2026.
  • 274 funds tracked by Wall St. Rank held iShares US Basic Materials ETF as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.