IXIA

CUSIP: 45071R109 Class: COM

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q1 2017
Shares 727,377 Value ($000) $14,292 Avg Close — Range —
Q4 2016
Shares 803,373 Value ($000) $12,933 Avg Close — Range —
Q3 2016
Shares 805,635 Value ($000) $10,071 Avg Close — Range —
Q2 2016
Shares 770,339 Value ($000) $7,565 Avg Close — Range —
Q1 2016
Shares 809,922 Value ($000) $10,193 Avg Close — Range —
Q4 2015
Shares 788,265 Value ($000) $9,798 Avg Close — Range —
Q3 2015
Shares 756,352 Value ($000) $10,960 Avg Close — Range —
Q2 2015
Shares 640,193 Value ($000) $7,964 Avg Close — Range —
Q1 2015
Shares 690,438 Value ($000) $8,375 Avg Close — Range —
Q4 2014
Shares 691,670 Value ($000) $7,781 Avg Close — Range —
Q3 2014
Shares 732,214 Value ($000) $6,693 Avg Close — Range —
Q2 2014
Shares 740,291 Value ($000) $8,461 Avg Close — Range —
Q1 2014
Shares 853,438 Value ($000) $10,668 Avg Close — Range —
Q4 2013
Shares 844,484 Value ($000) $11,241 Avg Close — Range —
Q3 2013
Shares 844,752 Value ($000) $13,238 Avg Close — Range —
Q2 2013
Shares 770,838 Value ($000) $14,183 Avg Close — Range —