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Disclosery

Polar Asset Management Partners Inc.: WST position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Polar Asset Management Partners Inc. on WST, newest first. How the timeline and the estimate are built.

Polar Asset Management Partners Inc. held 0 WST shares at 2025-09-30 per its 13F-HR/A filed 2025-12-01.

the latest 13F is the newest step

  1. period ended2025-09-30
    13F/A 0 shares
    Change vs previous 13F -5,901 shares

    13F-HR/A 0001326389-25-000282 filed by Polar Asset Management Partners Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-06-30
    13F 5,901 shares
    Change vs previous 13F -47,169 shares

    0.03% of the 13F portfolio, value $1,291,139.

    13F-HR 0001326389-25-000277 filed by Polar Asset Management Partners Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-03-31
    13F 53,070 shares
    Change vs previous 13F +27,370 shares

    0.39% of the 13F portfolio, value $11,881,312.

    13F-HR 0001041062-25-000132 filed by Polar Asset Management Partners Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2024-12-31
    13F/A 25,700 shares
    Change vs previous 13F +7,500 shares

    0.12% of the 13F portfolio, value $8,418,292.

    13F-HR/A 0001326389-25-000142 filed by Polar Asset Management Partners Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2024-09-30
    13F 18,200 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $5,462,912.

    13F-HR 0001062993-24-019140 filed by Polar Asset Management Partners Inc.
    Filed (acceptance time not in the bulk data set), ingested

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