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Disclosery

Polar Asset Management Partners Inc.: CNI position timeline

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

Polar Asset Management Partners Inc. held 88,072 CNI 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 88,072 shares
    Change vs previous 13F -117,328 shares

    0.19% of the 13F portfolio, value $10,492,414.

    13F-HR 0001326389-26-000062 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).

  2. period ended2026-03-31
    13F 205,400 shares
    Change vs previous 13F +135,400 shares

    0.5% of the 13F portfolio, value $21,107,260.

    13F-HR 0001326389-26-000039 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 ended2025-12-31
    13F 70,000 shares
    Change vs previous 13F -30,000 shares

    0.14% of the 13F portfolio, value $6,925,263.

    13F-HR 0001326389-26-000033 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 ended2025-09-30
    13F/A 100,000 shares
    Change vs previous 13F -3,000 shares

    0.19% of the 13F portfolio, value $9,430,871.

    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).

  5. period ended2025-06-30
    13F 103,000 shares
    Change vs previous 13F +63,000 shares

    0.27% of the 13F portfolio, value $10,727,544.

    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).

  6. period ended2025-03-31
    13F 40,000 shares
    Change vs previous 13F +15,000 shares

    0.13% of the 13F portfolio, value $3,896,765.

    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).

  7. period ended2024-12-31
    13F/A 25,000 shares
    Change vs previous 13F +17,500 shares

    0.04% of the 13F portfolio, value $2,537,197.

    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).

  8. period ended2024-09-30
    13F 7,500 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $878,434.

    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).