| Filing ID | Quarter | Holdings | Value ($000) | Form Type | Date Filed | Name |
|---|---|---|---|---|---|---|
| 000108011420000007 | Q1 2020 | 78 | 39,192 | 13F-HR | 4/22/2020 | OAKBROOK INVESTMENTS LLC |
| 000108011420000003 | Q4 2019 | 586 | 491,462 | 13F-HR | 2/6/2020 | OAKBROOK INVESTMENTS LLC |
| 000108011419000011 | Q3 2019 | 592 | 1,537,979 | 13F-HR | 10/18/2019 | OAKBROOK INVESTMENTS LLC |
| 000108011419000008 | Q2 2019 | 595 | 1,666,825 | 13F-HR | 7/18/2019 | OAKBROOK INVESTMENTS LLC |
| 000108011419000005 | Q1 2019 | 604 | 1,647,341 | 13F-HR | 4/18/2019 | OAKBROOK INVESTMENTS LLC |
| 000108011419000002 | Q4 2018 | 571 | 1,473,696 | 13F-HR | 1/17/2019 | OAKBROOK INVESTMENTS LLC |
| 000108011418000010 | Q3 2018 | 638 | 1,802,960 | 13F-HR | 10/18/2018 | OAKBROOK INVESTMENTS LLC |
| 000108011418000008 | Q2 2018 | 554 | 1,583,097 | 13F-HR | 7/18/2018 | OAKBROOK INVESTMENTS LLC |
| 000108011418000006 | Q1 2018 | 569 | 1,611,080 | 13F-HR | 4/18/2018 | OAKBROOK INVESTMENTS LLC |
| 000108011418000002 | Q4 2017 | 562 | 1,575,004 | 13F-HR | 1/18/2018 | OAKBROOK INVESTMENTS LLC |
| 000108011417000010 | Q3 2017 | 557 | 1,548,432 | 13F-HR | 10/19/2017 | OAKBROOK INVESTMENTS LLC |
| 000108011417000007 | Q2 2017 | 521 | 1,508,041 | 13F-HR | 7/20/2017 | OAKBROOK INVESTMENTS LLC |
| 000108011417000005 | Q1 2017 | 524 | 1,532,314 | 13F-HR | 4/20/2017 | OAKBROOK INVESTMENTS LLC |
| 000108011417000002 | Q4 2016 | 555 | 1,529,134 | 13F-HR | 1/19/2017 | OAKBROOK INVESTMENTS LLC |
| 000108011416000022 | Q3 2016 | 542 | 1,636,569 | 13F-HR | 10/21/2016 | OAKBROOK INVESTMENTS LLC |
| 000108011416000020 | Q2 2016 | 556 | 1,805,219 | 13F-HR | 7/22/2016 | OAKBROOK INVESTMENTS LLC |
| 000108011416000018 | Q1 2016 | 520 | 1,553,672 | 13F-HR | 4/14/2016 | OAKBROOK INVESTMENTS LLC |
| 000108011416000014 | Q4 2015 | 543 | 1,566,802 | 13F-HR | 1/21/2016 | OAKBROOK INVESTMENTS LLC |
| 000108011415000011 | Q3 2015 | 532 | 1,524,287 | 13F-HR | 10/15/2015 | OAKBROOK INVESTMENTS LLC |
| 000108011415000009 | Q2 2015 | 536 | 1,640,334 | 13F-HR | 7/16/2015 | OAKBROOK INVESTMENTS LLC |
| 000108011415000007 | Q1 2015 | 551 | 1,846,744 | 13F-HR | 4/16/2015 | OAKBROOK INVESTMENTS LLC |
| 000108011415000003 | Q4 2014 | 556 | 1,856,615 | 13F-HR | 1/23/2015 | OAKBROOK INVESTMENTS LLC |
| 000108011414000010 | Q3 2014 | 523 | 1,856,964 | 13F-HR | 10/16/2014 | OAKBROOK INVESTMENTS LLC |
| 000108011414000008 | Q2 2014 | 598 | 3,307,298 | 13F-HR | 7/17/2014 | OAKBROOK INVESTMENTS LLC |
| 000108011414000005 | Q1 2014 | 592 | 3,170,211 | 13F-HR | 4/17/2014 | OAKBROOK INVESTMENTS LLC |
| 000108011414000003 | Q4 2013 | 594 | 3,603,049 | 13F-HR | 1/23/2014 | OAKBROOK INVESTMENTS LLC |