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Soapstone Management L.P.: AGI position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Soapstone Management L.P. on AGI, newest first. How the timeline and the estimate are built.

Soapstone Management L.P. held 1,000,000 AGI 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 1,000,000 shares
    Change vs previous 13F +250,000 shares

    22.07% of the 13F portfolio, value $30,340,000.

    13F-HR 0001398344-26-014653 filed by Soapstone Management 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 750,000 shares
    Change vs previous 13F +54,715 shares

    23.73% of the 13F portfolio, value $33,322,500.

    13F-HR 0001398344-26-009297 filed by Soapstone Management 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 695,285 shares
    Change vs previous 13F +384,594 shares

    19.77% of the 13F portfolio, value $26,824,095.

    13F-HR 0001398344-26-003286 filed by Soapstone Management 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 310,691 shares
    Change vs previous 13F +91,268 shares

    7.35% of the 13F portfolio, value $10,830,688.

    13F-HR 0001398344-25-020993 filed by Soapstone Management 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 219,423 shares
    Change vs previous 13F not available

    3.87% of the 13F portfolio, value $5,827,875.

    13F-HR 0001398344-25-015664 filed by Soapstone Management L.P.
    Filed (acceptance time not in the bulk data set), ingested

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