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WELLINGTON MANAGEMENT GROUP LLP: SMTC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of WELLINGTON MANAGEMENT GROUP LLP on SMTC, newest first. How the timeline and the estimate are built.

WELLINGTON MANAGEMENT GROUP LLP held 1,915,766 SMTC 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 1,915,766 shares
    Change vs previous 13F -468,707 shares

    0.05% of the 13F portfolio, value $310,066,726.

    13F-HR 0000902219-26-000311 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 2,384,473 shares
    Change vs previous 13F +44,130 shares

    0.03% of the 13F portfolio, value $183,342,128.

    13F-HR 0000902219-26-000209 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 2,340,343 shares
    Change vs previous 13F +7,607 shares

    0.03% of the 13F portfolio, value $172,459,877.

    13F-HR 0000902219-26-000103 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 2,332,736 shares
    Change vs previous 13F -55,713 shares

    0.03% of the 13F portfolio, value $166,673,986.

    13F-HR 0000902219-25-000462 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 2,388,449 shares
    Change vs previous 13F +75,236 shares

    0.02% of the 13F portfolio, value $107,814,587.

    13F-HR 0000902219-25-000356 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 2,313,213 shares
    Change vs previous 13F +170,132 shares

    0.02% of the 13F portfolio, value $79,574,527.

    13F-HR 0000902219-25-000242 filed by WELLINGTON MANAGEMENT GROUP LLP
    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/A 2,143,081 shares
    Change vs previous 13F +1,911,890 shares

    0.02% of the 13F portfolio, value $132,549,560.

    13F-HR 0000902219-25-000131 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 231,191 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $10,556,181.

    13F-HR 0000902219-24-000498 filed by WELLINGTON MANAGEMENT GROUP LLP
    Filed (acceptance time not in the bulk data set), ingested

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