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WELLINGTON MANAGEMENT GROUP LLP: SIBN position timeline

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

WELLINGTON MANAGEMENT GROUP LLP held 742,857 SIBN 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 742,857 shares
    Change vs previous 13F -29,755 shares

    <0.01% of the 13F portfolio, value $12,123,426.

    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 772,612 shares
    Change vs previous 13F -49,873 shares

    <0.01% of the 13F portfolio, value $9,758,090.

    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 822,485 shares
    Change vs previous 13F -30,781 shares

    <0.01% of the 13F portfolio, value $16,219,405.

    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 853,266 shares
    Change vs previous 13F +364,897 shares

    <0.01% of the 13F portfolio, value $12,560,076.

    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 488,369 shares
    Change vs previous 13F -5,384 shares

    <0.01% of the 13F portfolio, value $9,191,105.

    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 493,753 shares
    Change vs previous 13F -10,934 shares

    <0.01% of the 13F portfolio, value $6,927,355.

    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 504,687 shares
    Change vs previous 13F -523,551 shares

    <0.01% of the 13F portfolio, value $7,075,711.

    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 1,028,238 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $14,374,768.

    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).