Position in MPC
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$5,956,732,506
+$2,309,718,824 QoQ
Shares Held
24,394,842
+8.8% QoQ
Ownership
8.36%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2024
7 quarters on record
Voting authority
Sole 92.90470911842758.ToString("F0")%
Shared 0.ToString("F0")%
None 7.095290881572424.ToString("F0")%
Common Shares in MPC Over Time
Shares Held
Position Value (USD)
Position in Oil & Gas Refining & Marketing
Energy · as of Mar 31, 2026BlackRock, Inc. holds $21,075,562,549 across 15 Oil & Gas Refining & Marketing names. MPC ranks #2 (28.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VLO |
Valero Energy Corp/Tx
|
26,012,463 | $6,427,159,346 | |
| 2 | MPC |
Marathon Petroleum Corp
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|
24,394,842 | $5,956,732,506 | |
| 3 | PSX |
Phillips 66
|
32,024,597 | $5,834,241,070 | |
| 4 | DINO |
HF Sinclair Corp
|
18,722,276 | $1,168,082,788 | |
| 5 | PBF |
PBF Energy Inc.
|
11,907,720 | $567,045,620 | |
| 6 | PARR |
Par Pacific Holdings, Inc.
|
7,407,114 | $463,981,613 | |
| 7 | DK |
Delek US Holdings, Inc.
|
5,136,542 | $231,503,940 | |
| 8 | WKC |
World Kinect Corp
|
8,725,125 | $201,288,628 |
All Filings in MPC
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $5,956,732,506 | 24,394,842 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $3,647,013,682 | 22,425,221 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $4,320,547,333 | 22,416,454 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $3,889,954,667 | 23,417,944 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $3,543,321,234 | 24,320,964 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $3,452,962,028 | 24,752,416 | Shares | Sole | 2025-02-07 | |
| 2024-09-30 | $4,132,418,058 | 25,366,264 | Shares | Sole | 2024-11-13 | |
| No filing history on record for this holder in this stock. | ||||||