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WELLINGTON MANAGEMENT GROUP LLP: AXSM position timeline

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

WELLINGTON MANAGEMENT GROUP LLP held 653,920 AXSM 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 653,920 shares
    Change vs previous 13F -491,386 shares

    0.03% of the 13F portfolio, value $160,059,998.

    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 1,145,306 shares
    Change vs previous 13F -76,350 shares

    0.04% of the 13F portfolio, value $193,579,622.

    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 1,221,656 shares
    Change vs previous 13F -112,904 shares

    0.04% of the 13F portfolio, value $223,123,252.

    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 1,334,560 shares
    Change vs previous 13F +609,516 shares

    0.03% of the 13F portfolio, value $162,082,313.

    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 725,044 shares
    Change vs previous 13F +21,765 shares

    0.01% of the 13F portfolio, value $75,687,343.

    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 703,279 shares
    Change vs previous 13F +30,122 shares

    0.02% of the 13F portfolio, value $82,023,430.

    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 673,157 shares
    Change vs previous 13F -69,588 shares

    0.01% of the 13F portfolio, value $56,955,813.

    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 742,745 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $66,750,493.

    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).