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Disclosery

Alta Park Capital, LP: AMAT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Alta Park Capital, LP on AMAT, newest first. How the timeline and the estimate are built.

Alta Park Capital, LP held 83,541 AMAT 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 83,541 shares
    Change vs previous 13F -17,969 shares

    5.6% of the 13F portfolio, value $60,400,143.

    13F-HR 0000935836-26-000403 filed by Alta Park Capital, 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 101,510 shares
    Change vs previous 13F -21,816 shares

    5.58% of the 13F portfolio, value $34,695,103.

    13F-HR 0000935836-26-000251 filed by Alta Park Capital, 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 123,326 shares
    Change vs previous 13F -12,961 shares

    3.81% of the 13F portfolio, value $31,693,549.

    13F-HR 0000935836-26-000102 filed by Alta Park Capital, 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 136,287 shares
    Change vs previous 13F not available

    2.81% of the 13F portfolio, value $27,903,400.

    13F-HR 0000935836-25-000676 filed by Alta Park Capital, LP
    Filed (acceptance time not in the bulk data set), ingested

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