POWERSHARES QQQ TRUST

CUSIP: 73935A104 Class: COM

Paloma Partners Management Co's Holding History (CIK: 0001103882)

Note: Option positions (PUT/CALL) are excluded.

Q1 2018
Shares 109,281 Value ($000) $17,499 Avg Close — Range —
Q4 2017
Shares 108,664 Value ($000) $16,926 Avg Close — Range —
Q3 2017
Shares 140,194 Value ($000) $20,391 Avg Close — Range —
Q2 2017
Shares 171,041 Value ($000) $23,542 Avg Close — Range —
Q1 2017
Shares 270,114 Value ($000) $35,756 Avg Close — Range —
Q4 2016
Shares 501,933 Value ($000) $59,469 Avg Close — Range —
Q3 2016
Shares 34,461 Value ($000) $4,091 Avg Close — Range —
Q2 2016
Shares 42,790 Value ($000) $4,602 Avg Close — Range —
Q1 2016
Shares 56,370 Value ($000) $6,156 Avg Close — Range —
Q4 2015
Shares 171,450 Value ($000) $19,178 Avg Close — Range —
Q3 2015
Shares 48,983 Value ($000) $4,985 Avg Close — Range —
Q4 2014
Shares 5,860 Value ($000) $605 Avg Close — Range —