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GW&K Investment Management, LLC

Position in MPC — Marathon Petroleum Corp

CIK 1082917 BOSTON, MA

Position in MPC

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$112,239
+$5,289 QoQ
Shares Held
439
+0.2% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#1,681
of 1,925 holders
Holding Since
Mar 2022
16 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, 2026

GW&K Investment Management, LLC holds $299,126 across 4 Oil & Gas Refining & Marketing names. MPC ranks #1 (37.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MPC
Marathon Petroleum Corp
This page
439 $112,239

All Filings in MPC

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16 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $112,239 439
2026-03-31 $106,950 438
2025-12-31 $74,972 461
2025-09-30 $88,660 460
2025-06-30 $71,925 433
2025-03-31 $49,971 343
2024-12-31 $46,174 331
2024-09-30 $60,602 372
2024-06-30 $58,983 340
2024-03-31 $64,883 322
2023-12-31 $17,803 120
2023-09-30 $17,101 113
2023-06-30 $15,158 130
2023-03-31 $269 2
2022-06-30 $71,358 868
2022-03-31 $71,649 838