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Disclosery

ALTAROCK PARTNERS LP: MA position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ALTAROCK PARTNERS LP on MA, newest first. How the timeline and the estimate are built.

ALTAROCK PARTNERS LP held 764,507 MA shares at 2026-06-30 per its 13F-HR filed 2026-08-17.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 764,507 shares
    Change vs previous 13F +241,671 shares

    9.26% of the 13F portfolio, value $392,650,795.

    13F-HR 0001104659-26-097527 filed by ALTAROCK PARTNERS LP
    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 522,836 shares
    Change vs previous 13F -19,000 shares

    6.33% of the 13F portfolio, value $261,240,236.

    13F-HR 0001104659-26-062170 filed by ALTAROCK PARTNERS LP
    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 541,836 shares
    Change vs previous 13F -42,250 shares

    6.07% of the 13F portfolio, value $309,323,336.

    13F-HR 0001104659-26-015359 filed by ALTAROCK PARTNERS LP
    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 584,086 shares
    Change vs previous 13F -2,168 shares

    6.07% of the 13F portfolio, value $332,233,958.

    13F-HR 0001104659-25-112002 filed by ALTAROCK PARTNERS LP
    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 586,254 shares
    Change vs previous 13F 0 shares

    6.01% of the 13F portfolio, value $329,439,573.

    13F-HR 0001104659-25-078208 filed by ALTAROCK PARTNERS LP
    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 586,254 shares
    Change vs previous 13F 0 shares

    6.46% of the 13F portfolio, value $321,337,542.

    13F-HR 0001104659-25-048610 filed by ALTAROCK PARTNERS LP
    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 586,254 shares
    Change vs previous 13F -33,779 shares

    6.24% of the 13F portfolio, value $308,703,769.

    13F-HR 0001104659-25-014306 filed by ALTAROCK PARTNERS LP
    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 620,033 shares
    Change vs previous 13F not available

    6.03% of the 13F portfolio, value $306,172,295.

    13F-HR 0001104659-24-117526 filed by ALTAROCK PARTNERS LP
    Filed (acceptance time not in the bulk data set), ingested

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