Marshall Wace’s State Street SPDR S&P MIDCAP 400 ETF Trust MDY Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2021
Q4
– Sell
-100
Closed -$48K – 4127
2021
Q3
$48K Sell
100
-500
-83% -$246K ﹤0.01% 2938
2021
Q2
$294K Sell
600
-3,000
-83% -$1.48M ﹤0.01% 2327
2021
Q1
$1.71M Sell
3,600
-10,200
-74% -$4.65M 0.01% 1402
2020
Q4
$5.79M Buy
+13,800
New +$5.32M 0.03% 515
2020
Q2
– Sell
-2,600
Closed -$743K – 1800
2020
Q1
$743K Buy
+2,600
New +$882K 0.01% 883
2019
Q4
– Sell
-90,600
Closed -$32.8M – 1925
2019
Q3
$32.8M Buy
90,600
+87,800
+3,136% +$30.8M 0.26% 84
2019
Q2
$967K Buy
+2,800
New +$979K 0.01% 947

Other funds holding MDY

Marshall Wace's MDY Position: Q2 2026 in Review

Marshall Wace reduced its State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) stake by 2.1% in Q2 2026, selling an estimated $575K and leaving 39,554 shares worth $27.8M. The position accounts for 0.02% of the portfolio, ranked #583.

Marshall Wace first reported a position in MDY in Q4 2019 and has held it in 10 quarters since. 1,543 funds tracked by Wall St. Rank hold MDY as of Q2 2026.

  • Marshall Wace held 39,554 shares of State Street SPDR S&P MIDCAP 400 ETF Trust worth $27.8M as of Q2 2026.
  • Marshall Wace sold 858 State Street SPDR S&P MIDCAP 400 ETF Trust shares in Q2 2026, an estimated $575K.
  • State Street SPDR S&P MIDCAP 400 ETF Trust made up 0.02% of Marshall Wace's portfolio in Q2 2026, its #583 holding.
  • Marshall Wace first reported a position in State Street SPDR S&P MIDCAP 400 ETF Trust in Q4 2019 and has held it in 10 quarters since.
  • 1,543 funds tracked by Wall St. Rank held State Street SPDR S&P MIDCAP 400 ETF Trust as of Q2 2026.

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