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Disclosery

Willow Creek Capital Management, Inc.: MPC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Willow Creek Capital Management, Inc. on MPC, newest first. How the timeline and the estimate are built.

Willow Creek Capital Management, Inc. held 1,310 MPC shares at 2026-06-30 per its 13F-HR filed 2026-09-08.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,310 shares
    Change vs previous 13F not available

    0.33% of the 13F portfolio, value $334,928.

    13F-HR 0001085146-26-000764 filed by Willow Creek Capital Management, Inc.
    Accepted , ingested