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Disclosery

OAKMONT Corp: SPY position timeline

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

OAKMONT Corp held 51,157 SPY shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 51,157 shares
    Change vs previous 13F -5,568 shares

    7.6% of the 13F portfolio, value $38,202,513.

    13F-HR 0001081198-26-000020 filed by OAKMONT Corp
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2026-03-31
    13F/A 56,725 shares
    Change vs previous 13F +3,484 shares

    7.01% of the 13F portfolio, value $36,890,537.

    13F-HR/A 0000924171-26-000004 filed by OAKMONT Corp
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 53,241 shares
    Change vs previous 13F +1,415 shares

    6.28% of the 13F portfolio, value $36,306,103.

    13F-HR 0001081198-26-000004 filed by OAKMONT Corp
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 51,826 shares
    Change vs previous 13F -816 shares

    6.17% of the 13F portfolio, value $34,525,445.

    13F-HR 0001081198-25-000021 filed by OAKMONT Corp
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 52,642 shares
    Change vs previous 13F -180 shares

    5.7% of the 13F portfolio, value $32,524,860.

    13F-HR 0000924171-25-000012 filed by OAKMONT Corp
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 52,822 shares
    Change vs previous 13F -279 shares

    5.83% of the 13F portfolio, value $29,548,099.

    13F-HR 0000924171-25-000008 filed by OAKMONT Corp
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 53,101 shares
    Change vs previous 13F not available

    5.44% of the 13F portfolio, value $31,121,434.

    13F-HR 0001081198-25-000007 filed by OAKMONT Corp
    Filed (acceptance time not in the bulk data set), ingested

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