Simplex Trading’s MPLX MPLX Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $387K | Buy |
+6,862
| New | +$383K | ﹤0.01% | 3929 |
|
|
2024
Q3 | – | Sell |
-56,013
| Closed | -$2.39M | – | 9166 |
|
|
2024
Q2 | $2.38M | Buy |
+56,013
| New | +$2.31M | ﹤0.01% | 2038 |
|
|
2023
Q3 | – | Sell |
-35,552
| Closed | -$1.24M | – | 9386 |
|
|
2023
Q2 | $1.21M | Buy |
+35,552
| New | +$1.21M | ﹤0.01% | 2426 |
|
|
2023
Q1 | – | Sell |
-3,671
| Closed | -$126K | – | 9731 |
|
|
2022
Q4 | $120K | Sell |
3,671
-53,055
| -94% | -$1.74M | ﹤0.01% | 4857 |
|
|
2022
Q3 | $1.7M | Buy |
56,726
+9,878
| +21% | +$311K | ﹤0.01% | 2101 |
|
|
2022
Q2 | $1.36M | Buy |
46,848
+19,563
| +72% | +$627K | ﹤0.01% | 2271 |
|
|
2022
Q1 | $905K | Buy |
27,285
+23,812
| +686% | +$769K | ﹤0.01% | 3037 |
|
|
2021
Q4 | $102K | Sell |
3,473
-15,128
| -81% | -$453K | ﹤0.01% | 6223 |
|
|
2021
Q3 | $555K | Hold |
18,601
| – | – | ﹤0.01% | 3928 |
|
|
2021
Q2 | $550K | Buy |
18,601
+8,577
| +86% | +$243K | ﹤0.01% | 4002 |
|
|
2021
Q1 | $256K | Buy |
10,024
+8,566
| +588% | +$210K | ﹤0.01% | 4354 |
|
|
2020
Q4 | $31K | Buy |
+1,458
| New | +$28.8K | ﹤0.01% | 6633 |
|
|
2019
Q4 | – | Sell |
-8,523
| Closed | -$217K | – | 7702 |
|
|
2019
Q3 | $238K | Buy |
8,523
+6,676
| +361% | +$196K | ﹤0.01% | 3382 |
|
|
2019
Q2 | $59K | Buy |
+1,847
| New | +$58.9K | ﹤0.01% | 4717 |
|
|
2018
Q4 | – | Sell |
-4,373
| Closed | -$146K | – | 7515 |
|
|
2018
Q3 | $151K | Sell |
4,373
-17,891
| -80% | -$641K | ﹤0.01% | 3962 |
|
|
2018
Q2 | $760K | Buy |
22,264
+12,483
| +128% | +$434K | ﹤0.01% | 2034 |
|
|
2018
Q1 | $323K | Buy |
9,781
+2,151
| +28% | +$77.1K | 0.01% | 955 |
|
|
2017
Q4 | $270K | Buy |
+7,630
| New | +$269K | 0.01% | 1074 |
|
|
2017
Q3 | – | Sell |
-11,940
| Closed | -$412K | – | 6344 |
|
|
2017
Q2 | $398K | Buy |
+11,940
| New | +$413K | 0.02% | 780 |
|
|
2016
Q4 | – | Sell |
-4,526
| Closed | -$147K | – | 6274 |
|
|
2016
Q3 | $153K | Buy |
+4,526
| New | +$149K | 0.01% | 1223 |
|
|
2016
Q1 | – | Sell |
-5,216
| Closed | -$142K | – | 5982 |
|
|
2015
Q4 | $205K | Buy |
5,216
+3,294
| +171% | +$124K | 0.02% | 862 |
|
|
2015
Q3 | $73K | Buy |
1,922
+1,791
| +1,367% | +$91.4K | 0.01% | 1673 |
|
|
2015
Q2 | $9K | Buy |
+131
| New | +$9.69K | ﹤0.01% | 3156 |
|
|
2015
Q1 | – | Sell |
-667
| Closed | -$50.7K | – | 5344 |
|
|
2014
Q4 | $49K | Buy |
+667
| New | +$42.5K | 0.01% | 1402 |
|
Other funds holding MPLX
AA
TCA
KACA
EIP
Simplex Trading's MPLX Position: Q2 2026 in Review
Simplex Trading opened a new position in MPLX (MPLX) in Q2 2026: 6,862 shares worth $387K. The stake represents ﹤0.01% of the portfolio and ranks #3929 among its holdings. This is a return to the name: Simplex Trading previously reported a position in MPLX as recently as Q2 2024.
Simplex Trading first reported a position in MPLX in Q4 2014 and has held it in 24 quarters since. The position peaked at $2.38M in Q2 2024. 640 funds tracked by Wall St. Rank hold MPLX as of Q2 2026.
- Simplex Trading held 6,862 shares of MPLX worth $387K as of Q2 2026.
- MPLX was a new Simplex Trading position in Q2 2026.
- MPLX made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #3929 holding.
- Simplex Trading first reported a position in MPLX in Q4 2014 and has held it in 24 quarters since.
- Simplex Trading's MPLX position peaked at $2.38M in Q2 2024.
- 640 funds tracked by Wall St. Rank held MPLX as of Q2 2026.
Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.