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Disclosery

Summa Corp.: DVN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Summa Corp. on DVN, newest first. How the timeline and the estimate are built.

Summa Corp. held 0 DVN shares at 2025-06-30 per its 13F-HR filed 2025-07-25.

the latest 13F is the newest step

  1. period ended2025-06-30
    13F 0 shares
    Change vs previous 13F -51,000 shares

    13F-HR 0001214659-25-010906 filed by Summa Corp.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-03-31
    13F 51,000 shares
    Change vs previous 13F 0 shares

    1.03% of the 13F portfolio, value $1,784,810.

    13F-HR 0001214659-25-006133 filed by Summa Corp.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2024-12-31
    13F 51,000 shares
    Change vs previous 13F 0 shares

    0.82% of the 13F portfolio, value $1,669,230.

    13F-HR 0001214659-25-001191 filed by Summa Corp.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2024-09-30
    13F 51,000 shares
    Change vs previous 13F not available

    0.96% of the 13F portfolio, value $1,995,120.

    13F-HR 0001214659-24-017623 filed by Summa Corp.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).