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Quantum Portfolio Management LLC: PLTR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Quantum Portfolio Management LLC on PLTR, newest first. How the timeline and the estimate are built.

Quantum Portfolio Management LLC held 11,961 PLTR 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 11,961 shares
    Change vs previous 13F +301 shares

    0.5% of the 13F portfolio, value $1,395,490.

    13F-HR 0001420506-26-001701 filed by Quantum Portfolio Management LLC
    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 11,660 shares
    Change vs previous 13F +487 shares

    0.74% of the 13F portfolio, value $1,705,625.

    13F-HR/A 0001172661-26-001580 filed by Quantum Portfolio Management LLC
    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 11,173 shares
    Change vs previous 13F -353 shares

    0.88% of the 13F portfolio, value $1,986,001.

    13F-HR 0001172661-26-000672 filed by Quantum Portfolio Management LLC
    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 11,526 shares
    Change vs previous 13F +739 shares

    0.62% of the 13F portfolio, value $2,102,573.

    13F-HR 0001172661-25-004476 filed by Quantum Portfolio Management LLC
    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 10,787 shares
    Change vs previous 13F +5,272 shares

    0.7% of the 13F portfolio, value $1,470,484.

    13F-HR 0001172661-25-003208 filed by Quantum Portfolio Management LLC
    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 5,515 shares
    Change vs previous 13F not available

    0.24% of the 13F portfolio, value $465,466.

    13F-HR 0001172661-25-001852 filed by Quantum Portfolio Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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