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WELLINGTON MANAGEMENT GROUP LLP: SITM position timeline

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

WELLINGTON MANAGEMENT GROUP LLP held 236,078 SITM 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 236,078 shares
    Change vs previous 13F -53,306 shares

    0.03% of the 13F portfolio, value $176,010,313.

    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 289,384 shares
    Change vs previous 13F -117,132 shares

    0.02% of the 13F portfolio, value $99,938,764.

    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 406,516 shares
    Change vs previous 13F -131,225 shares

    0.03% of the 13F portfolio, value $143,577,386.

    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 537,741 shares
    Change vs previous 13F +144,671 shares

    0.03% of the 13F portfolio, value $162,026,741.

    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 393,070 shares
    Change vs previous 13F +115,480 shares

    0.02% of the 13F portfolio, value $83,755,355.

    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 277,590 shares
    Change vs previous 13F +82,017 shares

    0.01% of the 13F portfolio, value $42,435,184.

    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 195,573 shares
    Change vs previous 13F +52,221 shares

    0.01% of the 13F portfolio, value $41,956,275.

    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 143,352 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $24,586,301.

    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).