William Blair & Company’s ProShares UltraShort QQQ QID Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2021
Q1
Hold
0
1895
2020
Q4
Hold
0
1851
2020
Q3
Hold
0
1759
2020
Q2
Hold
0
1734
2020
Q1
Sell
-1
Closed 1745
2019
Q4
$0 Hold
1
﹤0.01% 1784
2019
Q3
$1K Hold
1
﹤0.01% 1681
2019
Q2
$1K Hold
1
﹤0.01% 1717
2019
Q1
$1K Hold
1
﹤0.01% 1692
2018
Q4
$1K Buy
+1
New +$1K ﹤0.01% 1640
2018
Q2
Sell
-1
Closed -$1K 1613
2018
Q1
$1K Buy
+1
New +$1K ﹤0.01% 1490