| The Blackstone Group Inc. |
Delaware |
67919543 |
0 |
67919543 |
0 |
67919543 |
6.5 % |
16/02/2021 |
| Stephen A. Schwarzman |
Delaware |
53430949 |
0 |
53430949 |
0 |
53430949 |
5 % |
16/07/2020 |
| The Blackstone Group Inc. |
Delaware |
53430949 |
0 |
53430949 |
0 |
53430949 |
5 % |
16/07/2020 |
| Blackstone Group Management L.L.C. |
Delaware |
53430949 |
0 |
53430949 |
0 |
53430949 |
5 % |
16/07/2020 |
| MPC Investment LLC |
Delaware |
0 |
504701934 |
0 |
10 |
504701934 |
63.5 % |
09/05/2019 |
| MPLX GP LLC |
Delaware |
0 |
383527195 |
0 |
10 |
383527195 |
48.3 % |
09/05/2019 |
| MPLX Logistics Holdings LLC |
Delaware |
0 |
84722985 |
0 |
10 |
84722985 |
10.7 % |
09/05/2019 |
| Marathon Petroleum Corporation |
Delaware |
0 |
504701934 |
0 |
10 |
504701934 |
63.5 % |
09/05/2019 |
| Tortoise Capital Advisors, L.L.C. |
Delaware |
841122 |
23650728 |
841122 |
26477671 |
27318793 |
3.4 % |
12/02/2019 |
| MPC Investment LLC |
Delaware |
0 |
504701934 |
0 |
10 |
504701934 |
63.6 % |
05/11/2018 |
| MPLX Logistics Holdings LLC |
Delaware |
0 |
84722985 |
0 |
10 |
84722985 |
10.7 % |
05/11/2018 |
| MPLX GP LLC |
Delaware |
0 |
383527195 |
0 |
10 |
383527195 |
48.3 % |
05/11/2018 |
| Marathon Petroleum Corporation |
Delaware |
0 |
504701934 |
0 |
10 |
504701934 |
63.6 % |
05/11/2018 |
| 84-1583423) |
Colorado |
0 |
23994554 |
0 |
23994554 |
23994554 |
5.9 % |
06/02/2018 |
| 27-3041076) |
Colorado |
0 |
23771609 |
0 |
23771609 |
23771609 |
5.84 % |
06/02/2018 |
| MPLX Logistics Holdings LLC |
Delaware |
0 |
84722985 |
0 |
10 |
84722985 |
10.7 % |
05/02/2018 |
| MPC Investment LLC |
Delaware |
0 |
504701934 |
0 |
10 |
504701934 |
63.6 % |
05/02/2018 |
| MPLX Holdings Inc. |
Delaware |
0 |
36451754 |
0 |
10 |
36451754 |
4.6 % |
05/02/2018 |
| MPLX GP LLC |
Delaware |
0 |
383527195 |
0 |
10 |
383527195 |
48.3 % |
05/02/2018 |
| Marathon Petroleum Corporation |
Delaware |
0 |
504701934 |
0 |
10 |
504701934 |
63.6 % |
05/02/2018 |
| Marathon Petroleum Corporation |
Delaware |
0 |
118090823 |
0 |
10 |
118090823 |
29 % |
01/09/2017 |
| MPLX Logistics Holdings LLC |
Delaware |
0 |
66546319 |
0 |
10 |
66546319 |
16.3 % |
01/09/2017 |
| MPLX Holdings Inc. |
Delaware |
0 |
28627587 |
0 |
10 |
28627587 |
7 % |
01/09/2017 |
| MPLX GP LLC |
Delaware |
0 |
22916917 |
0 |
10 |
22916917 |
5.6 % |
01/09/2017 |
| MPC Investment LLC |
Delaware |
0 |
118090823 |
0 |
10 |
118090823 |
29 % |
01/09/2017 |
| 84-1583423) |
Colorado |
0 |
18146214 |
0 |
18146214 |
18146214 |
5.21 % |
26/01/2017 |
| 27-3041076) |
Colorado |
0 |
17970288 |
0 |
17970288 |
17970288 |
5.16 % |
26/01/2017 |
| Tortoise Capital Advisors, L.L.C. |
Delaware |
297106 |
16921742 |
297106 |
0 |
18870094 |
6.4 % |
09/02/2016 |
| 84-1583423) |
Colorado |
0 |
16813973 |
0 |
16813973 |
16813973 |
5.67 % |
03/02/2016 |
| 27-3041076) |
Colorado |
0 |
16677671 |
0 |
16677671 |
16677671 |
5.62 % |
03/02/2016 |
| Sapphire Holdco LLC |
Delaware |
0 |
29990141 |
0 |
10 |
29990141 |
15.15 % |
18/11/2015 |
| MPLX LP |
Delaware |
0 |
29990141 |
0 |
10 |
29990141 |
15.15 % |
18/11/2015 |
| MPLX GP LLC |
Delaware |
0 |
29990141 |
0 |
10 |
29990141 |
15.15 % |
18/11/2015 |
| Marathon Petroleum Corporation |
Delaware |
0 |
29990141 |
0 |
10 |
29990141 |
15.15 % |
18/11/2015 |
| Tortoise Capital Advisors, L.L.C. |
Delaware |
13 |
4182295 |
13 |
0 |
4565425 |
5.7 % |
10/11/2015 |
| MPC Investment LLC |
Delaware |
0 |
56932134 |
0 |
10 |
56932134 |
70.9 % |
19/08/2015 |
| MPLX Logistics Holdings LLC |
Delaware |
0 |
56932134 |
0 |
10 |
56932134 |
70.9 % |
19/08/2015 |
| Marathon Petroleum Corporation |
Delaware |
0 |
56932134 |
0 |
10 |
56932134 |
70.9 % |
19/08/2015 |
| FMR LLC |
Delaware |
0 |
0 |
2093343 |
0 |
2093343 |
4.829 % |
13/02/2015 |
| Edward C. Johnson 3d |
United States of America |
0 |
0 |
2093343 |
0 |
2093343 |
4.829 % |
13/02/2015 |
| Abigail P. Johnson |
United States of America |
0 |
0 |
2093343 |
0 |
2093343 |
4.829 % |
13/02/2015 |
| 73.1%(2) |
Delaware |
0 |
54008030 |
0 |
54008030 |
54008030 |
73.1 % |
13/02/2014 |
| 73.1%(2) |
Delaware |
0 |
54008030 |
0 |
54008030 |
54008030 |
73.1 % |
13/02/2014 |
| 73.1%(2) |
Delaware |
0 |
54008030 |
0 |
54008030 |
54008030 |
73.1 % |
13/02/2014 |
| Tortoise Capital Advisors, L.L.C. |
Delaware |
0 |
4917065 |
0 |
0 |
5383929 |
14.6 % |
11/02/2014 |
| Tortoise Capital Advisors, L.L.C. |
Delaware |
0 |
3739232 |
0 |
0 |
4016686 |
10.9 % |
05/04/2013 |
| Tortoise Capital Advisors, L.L.C. |
Delaware |
0 |
2720951 |
0 |
0 |
2890938 |
7.8 % |
12/02/2013 |