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Tandem Investment Advisors, Inc.: QLYS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Tandem Investment Advisors, Inc. on QLYS, newest first. How the timeline and the estimate are built.

Tandem Investment Advisors, Inc. held 29,188 QLYS shares at 2026-06-30 per its 13F-HR filed 2026-07-31.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 29,188 shares
    Change vs previous 13F -8,422 shares

    0.27% of the 13F portfolio, value $4,013,058.

    13F-HR 0001694284-26-000007 filed by Tandem Investment Advisors, Inc.
    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 37,610 shares
    Change vs previous 13F -7,480 shares

    0.16% of the 13F portfolio, value $3,304,039.

    13F-HR 0001694284-26-000005 filed by Tandem Investment Advisors, Inc.
    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 45,090 shares
    Change vs previous 13F +2,746 shares

    0.22% of the 13F portfolio, value $5,992,461.

    13F-HR 0001694284-26-000004 filed by Tandem Investment Advisors, Inc.
    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 42,344 shares
    Change vs previous 13F +764 shares

    0.19% of the 13F portfolio, value $5,603,000.

    13F-HR 0001694284-25-000011 filed by Tandem Investment Advisors, Inc.
    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 41,580 shares
    Change vs previous 13F +210 shares

    0.21% of the 13F portfolio, value $5,941,000.

    13F-HR 0001694284-25-000010 filed by Tandem Investment Advisors, Inc.
    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 41,370 shares
    Change vs previous 13F +8,120 shares

    0.18% of the 13F portfolio, value $5,210,000.

    13F-HR 0001694284-25-000004 filed by Tandem Investment Advisors, Inc.
    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 33,250 shares
    Change vs previous 13F +399 shares

    0.18% of the 13F portfolio, value $4,662,000.

    13F-HR 0001694284-25-000003 filed by Tandem Investment Advisors, Inc.
    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 32,851 shares
    Change vs previous 13F not available

    0.16% of the 13F portfolio, value $4,220,000.

    13F-HR 0001694284-24-000008 filed by Tandem Investment Advisors, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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