STATE OF WISCONSIN INVESTMENT BOARD
Position in MPC — Marathon Petroleum Corp
CIK 854157
MADISON, WI
Position in MPC
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$40,196,693
+$908,864 QoQ
Shares Held
157,221
-2.3% QoQ
Ownership
0.056%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
#127
of 1,931 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MPC Over Time
Shares Held
Position Value (USD)
Position in Oil & Gas Refining & Marketing
Energy · as of Jun 30, 2026STATE OF WISCONSIN INVESTMENT BOARD holds $146,188,641 across 9 Oil & Gas Refining & Marketing names. MPC ranks #2 (27.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VLO |
Valero Energy Corp/Tx
|
183,206 | $47,714,170 | |
| 2 | MPC |
Marathon Petroleum Corp
This page
|
157,221 | $40,196,693 | |
| 3 | PSX |
Phillips 66
|
221,794 | $37,494,275 | |
| 4 | DK |
Delek US Holdings, Inc.
|
132,295 | $6,721,908 | |
| 5 | DINO |
HF Sinclair Corp
|
79,966 | $5,569,631 | |
| 6 | PBF |
PBF Energy Inc.
|
121,294 | $5,521,302 | |
| 7 | PARR |
Par Pacific Holdings, Inc.
|
40,082 | $2,247,798 | |
| 8 | CVI |
Cvr Energy Inc
|
18,447 | $508,030 |
All Filings in MPC
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $40,196,693 | 157,221 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $39,287,829 | 160,897 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $31,554,448 | 194,026 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $37,904,441 | 196,661 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $33,439,105 | 201,307 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $33,454,211 | 229,626 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $29,248,965 | 209,670 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $36,845,191 | 226,169 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $39,139,169 | 225,612 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $44,706,200 | 221,867 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $40,678,383 | 274,187 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $46,744,688 | 308,872 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $57,045,850 | 489,244 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $60,565,770 | 449,201 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $48,038,924 | 412,741 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $47,549,767 | 478,705 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $47,739,593 | 580,703 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $59,192,932 | 692,315 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $46,707,132 | 729,913 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $48,109,071 | 778,338 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $42,918,138 | 710,330 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $35,210,755 | 658,268 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $32,243,180 | 779,574 | Shares | Sole | 2021-02-03 | |
| 2020-09-30 | $52,612,957 | 1,793,216 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $62,769,991 | 1,679,240 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $54,974,510 | 2,327,456 | Shares | Sole | 2020-05-06 | |
| No filing history on record for this holder in this stock. | ||||||