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. 272 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.
  • 272 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.