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DIMENSIONAL FUND ADVISORS LP: SPOK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of DIMENSIONAL FUND ADVISORS LP on SPOK, newest first. How the timeline and the estimate are built.

DIMENSIONAL FUND ADVISORS LP held 717,616 SPOK shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 717,616 shares
    Change vs previous 13F +1,747 shares

    <0.01% of the 13F portfolio, value $7,348,899.

    13F-HR 0000354204-26-000866 filed by DIMENSIONAL FUND ADVISORS 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 715,869 shares
    Change vs previous 13F +12,043 shares

    <0.01% of the 13F portfolio, value $7,803,828.

    13F-HR 0000354204-26-000581 filed by DIMENSIONAL FUND ADVISORS 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 703,826 shares
    Change vs previous 13F -15,224 shares

    <0.01% of the 13F portfolio, value $9,283,621.

    13F-HR 0000354204-26-000347 filed by DIMENSIONAL FUND ADVISORS 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 719,050 shares
    Change vs previous 13F +8,160 shares

    <0.01% of the 13F portfolio, value $12,403,870.

    13F-HR 0000354204-25-001337 filed by DIMENSIONAL FUND ADVISORS 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 710,890 shares
    Change vs previous 13F +11,327 shares

    <0.01% of the 13F portfolio, value $12,567,957.

    13F-HR 0000354204-25-001097 filed by DIMENSIONAL FUND ADVISORS 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 699,563 shares
    Change vs previous 13F -8,285 shares

    <0.01% of the 13F portfolio, value $11,500,607.

    13F-HR 0000354204-25-000866 filed by DIMENSIONAL FUND ADVISORS 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 707,848 shares
    Change vs previous 13F +1,123 shares

    <0.01% of the 13F portfolio, value $11,360,922.

    13F-HR 0000354204-25-000528 filed by DIMENSIONAL FUND ADVISORS 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 706,725 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $10,643,381.

    13F-HR 0000354204-24-004773 filed by DIMENSIONAL FUND ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

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