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TWO SIGMA INVESTMENTS, LP: ARCT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of TWO SIGMA INVESTMENTS, LP on ARCT, newest first. How the timeline and the estimate are built.

TWO SIGMA INVESTMENTS, LP held 1,091,137 ARCT 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 1,091,137 shares
    Change vs previous 13F +9,353 shares

    0.01% of the 13F portfolio, value $7,332,441.

    13F-HR 0000899140-26-000855 filed by TWO SIGMA INVESTMENTS, LP
    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 1,081,784 shares
    Share basis changed not comparable

    Membership change: TWO SIGMA ADVISERS, LP left the group. 0.01% of the 13F portfolio, value $8,351,372.

    13F-HR 0000899140-26-000547 filed by TWO SIGMA INVESTMENTS, LP
    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 1,057,729 shares
    Change vs previous 13F +930,010 shares

    0.01% of the 13F portfolio, value $6,483,879.

    13F-HR 0000899140-26-000232 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 546,686 shares
    • TWO SIGMA ADVISERS, LP: 511,043 shares

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

  4. period ended2025-09-30
    13F 127,719 shares
    Change vs previous 13F -7,143 shares

    <0.01% of the 13F portfolio, value $2,353,861.

    13F-HR 0000899140-25-001286 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 89,219 shares
    • TWO SIGMA ADVISERS, LP: 38,500 shares

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

  5. period ended2025-06-30
    13F 134,862 shares
    Change vs previous 13F +97,507 shares

    <0.01% of the 13F portfolio, value $1,754,555.

    13F-HR 0000899140-25-000964 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 86,362 shares
    • TWO SIGMA ADVISERS, LP: 48,500 shares

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

  6. period ended2025-03-31
    13F 37,355 shares
    Change vs previous 13F +9,795 shares

    <0.01% of the 13F portfolio, value $395,589.

    13F-HR 0000899140-25-000680 filed by TWO SIGMA INVESTMENTS, LP
    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 27,560 shares
    Change vs previous 13F +10,430 shares

    <0.01% of the 13F portfolio, value $467,693.

    13F-HR 0000899140-25-000265 filed by TWO SIGMA INVESTMENTS, LP
    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 17,130 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $397,587.

    13F-HR 0000919574-24-006611 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

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