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Route One Investment Company, L.P.: POST position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Route One Investment Company, L.P. on POST, newest first. How the timeline and the estimate are built.

Route One Investment Company, L.P. held 2,950,568 POST shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 2,950,568 shares
    Change vs previous 13F 0 shares

    10.78% of the 13F portfolio, value $260,417,132.

    13F-HR 0000935836-26-000421 filed by Route One Investment Company, L.P.
    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 2,950,568 shares
    Change vs previous 13F -185,900 shares

    12.77% of the 13F portfolio, value $291,693,152.

    13F-HR 0000935836-26-000267 filed by Route One Investment Company, L.P.
    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 3,136,468 shares
    Change vs previous 13F -296,450 shares

    12.96% of the 13F portfolio, value $310,667,155.

    13F-HR 0000935836-26-000110 filed by Route One Investment Company, L.P.
    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 3,432,918 shares
    Change vs previous 13F +19,000 shares

    14.72% of the 13F portfolio, value $368,970,027.

    13F-HR 0000935836-25-000701 filed by Route One Investment Company, L.P.
    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 3,413,918 shares
    Change vs previous 13F -634,521 shares

    16.29% of the 13F portfolio, value $372,219,480.

    13F-HR 0000935836-25-000531 filed by Route One Investment Company, L.P.
    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 4,048,439 shares
    Change vs previous 13F -126,100 shares

    19.64% of the 13F portfolio, value $471,076,362.

    13F-HR 0000935836-25-000376 filed by Route One Investment Company, L.P.
    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 4,174,539 shares
    Change vs previous 13F -198,100 shares

    18.67% of the 13F portfolio, value $477,817,734.

    13F-HR 0000935836-25-000177 filed by Route One Investment Company, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 4,372,639 shares
    Change vs previous 13F not available

    18.21% of the 13F portfolio, value $506,132,964.

    13F-HR 0000935836-24-000707 filed by Route One Investment Company, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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