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TRAPHAGEN INVESTMENT ADVISORS LLC: COST position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of TRAPHAGEN INVESTMENT ADVISORS LLC on COST, newest first. How the timeline and the estimate are built.

TRAPHAGEN INVESTMENT ADVISORS LLC held 1,824 COST shares at 2026-09-30 per its 13F-HR filed 2026-10-14.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 1,824 shares
    Change vs previous 13F -65 shares

    0.11% of the 13F portfolio, value $1,660,811.

    13F-HR 0002023380-26-000005 filed by TRAPHAGEN INVESTMENT ADVISORS LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 1,889 shares
    Change vs previous 13F -4 shares

    0.13% of the 13F portfolio, value $1,767,159.

    13F-HR 0002023380-26-000003 filed by TRAPHAGEN INVESTMENT ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 1,893 shares
    Change vs previous 13F +59 shares

    0.15% of the 13F portfolio, value $1,886,615.

    13F-HR 0002023380-26-000002 filed by TRAPHAGEN INVESTMENT ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 1,834 shares
    Change vs previous 13F +25 shares

    0.13% of the 13F portfolio, value $1,581,951.

    13F-HR 0002023380-26-000001 filed by TRAPHAGEN INVESTMENT ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 1,809 shares
    Change vs previous 13F -22 shares

    0.14% of the 13F portfolio, value $1,674,445.

    13F-HR 0002023380-25-000007 filed by TRAPHAGEN INVESTMENT ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 1,831 shares
    Change vs previous 13F -94 shares

    0.17% of the 13F portfolio, value $1,812,957.

    13F-HR 0002023380-25-000006 filed by TRAPHAGEN INVESTMENT ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 1,925 shares
    Change vs previous 13F +381 shares

    0.19% of the 13F portfolio, value $1,820,422.

    13F-HR 0002023380-25-000002 filed by TRAPHAGEN INVESTMENT ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 1,544 shares
    Change vs previous 13F not available

    0.14% of the 13F portfolio, value $1,415,003.

    13F-HR 0002023380-25-000001 filed by TRAPHAGEN INVESTMENT ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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