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BLAIR WILLIAM & CO/IL: TTEK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on TTEK, newest first. How the timeline and the estimate are built.

BLAIR WILLIAM & CO/IL held 157,326 TTEK 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 157,326 shares
    Change vs previous 13F -1,116 shares

    0.01% of the 13F portfolio, value $4,545,134.

    13F-HR 0001104659-26-093821 filed by BLAIR WILLIAM & CO/IL
    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 158,442 shares
    Change vs previous 13F +34,925 shares

    0.01% of the 13F portfolio, value $4,772,260.

    13F-HR 0001104659-26-057897 filed by BLAIR WILLIAM & CO/IL
    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 123,517 shares
    Change vs previous 13F -112,432 shares

    0.01% of the 13F portfolio, value $4,142,755.

    13F-HR 0001104659-26-015563 filed by BLAIR WILLIAM & CO/IL
    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 235,949 shares
    Change vs previous 13F +3,575 shares

    0.02% of the 13F portfolio, value $7,875,985.

    13F-HR 0001104659-25-109927 filed by BLAIR WILLIAM & CO/IL
    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 232,374 shares
    Change vs previous 13F +106,412 shares

    0.02% of the 13F portfolio, value $8,356,163.

    13F-HR 0001104659-25-070274 filed by BLAIR WILLIAM & CO/IL
    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 125,962 shares
    Change vs previous 13F -55,932 shares

    0.01% of the 13F portfolio, value $3,684,386.

    13F-HR 0001104659-25-046545 filed by BLAIR WILLIAM & CO/IL
    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 181,894 shares
    Change vs previous 13F -286,029 shares

    0.02% of the 13F portfolio, value $7,246,670.

    13F-HR 0001104659-25-011872 filed by BLAIR WILLIAM & CO/IL
    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 467,923 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $22,067,252.

    13F-HR 0001104659-24-116499 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

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