| SC 13D/A | 2017-07-03 | ONEOK INC /NEW/ | ONEOK Partners LP | 1,000,000 | 0.9% | EDGAR |
| SC 13G/A | 2017-03-09 | KAYNE ANDERSON CAPITAL ADVISORS LP | ONEOK Partners LP | - | - | EDGAR |
| SC 13G | 2017-02-14 | TORTOISE CAPITAL ADVISORS, L.L.C. | ONEOK Partners LP | 18,080,599 | 8.5% | EDGAR |
| SC 13D/A | 2017-02-01 | ONEOK INC /NEW/ | ONEOK Partners LP | 1,000,000 | 0.3% | EDGAR |
| SC 13G/A | 2017-01-26 | ALPS ADVISORS INC | ONEOK Partners LP | 10,686,543 | 5.0% | EDGAR |
| SC 13G/A | 2017-01-25 | KAYNE ANDERSON CAPITAL ADVISORS LP | ONEOK Partners LP | - | - | EDGAR |
| SC 13G | 2016-02-09 | TORTOISE CAPITAL ADVISORS, L.L.C. | ONEOK Partners LP | 14,124,537 | 6.6% | EDGAR |
| SC 13G | 2016-02-03 | ALPS ADVISORS INC | ONEOK Partners LP | 12,259,665 | 5.8% | EDGAR |
| SC 13G | 2016-01-29 | KAYNE ANDERSON CAPITAL ADVISORS LP | ONEOK Partners LP | - | - | EDGAR |
| SC 13D/A | 2015-08-21 | ONEOK INC /NEW/ | ONEOK Partners LP | 1,000,000 | 0.3% | EDGAR |
| SC 13G/A | 2015-07-09 | KAYNE ANDERSON CAPITAL ADVISORS LP | ONEOK Partners LP | - | - | EDGAR |
| SC 13G | 2015-02-17 | ALPS ADVISORS INC | ONEOK Partners LP | 10,044,900 | 5.7% | EDGAR |
| SC 13G | 2015-01-14 | KAYNE ANDERSON CAPITAL ADVISORS LP | ONEOK Partners LP | - | - | EDGAR |
| SC 13G | 2013-02-12 | TORTOISE CAPITAL ADVISORS, L.L.C. | ONEOK Partners LP | 6,927,143 | 4.7% | EDGAR |
| SC 13D/A | 2012-03-02 | ONEOK INC /NEW/ | ONEOK Partners LP | 1,000,000 | 0.5% | EDGAR |
| SC 13G/A | 2012-02-17 | TORTOISE CAPITAL ADVISORS, L.L.C. | ONEOK Partners LP | 6,928,969 | 5.3% | EDGAR |
| SC 13G/A | 2012-02-10 | TORTOISE CAPITAL ADVISORS, L.L.C. | ONEOK Partners LP | 6,928,969 | 3.3% | EDGAR |
| SC 13G | 2011-02-11 | TORTOISE CAPITAL ADVISORS LLC | ONEOK Partners LP | 3,285,613 | 5.0% | EDGAR |
| SC 13D | 2008-03-20 | ONEOK INC /NEW/ | ONEOK Partners LP | 500,000 | 0.6% | EDGAR |
| SC 13G | 2008-02-11 | ONEOK INC /NEW/ | ONEOK Partners LP | 500,000 | 0.6% | EDGAR |