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TWO SIGMA INVESTMENTS, LP: ACM position timeline

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

TWO SIGMA INVESTMENTS, LP held 875,607 ACM 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 875,607 shares
    Change vs previous 13F +369,016 shares

    0.05% of the 13F portfolio, value $61,117,369.

    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 506,591 shares
    Share basis changed not comparable

    Membership change: TWO SIGMA ADVISERS, LP left the group. 0.04% of the 13F portfolio, value $42,969,049.

    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 501,107 shares
    Change vs previous 13F +95,001 shares

    0.04% of the 13F portfolio, value $47,770,530.

    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: 387,207 shares
    • TWO SIGMA ADVISERS, LP: 113,900 shares

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

  4. period ended2025-09-30
    13F 406,106 shares
    Change vs previous 13F -92,848 shares

    0.05% of the 13F portfolio, value $52,984,650.

    13F-HR 0000899140-25-001279 filed by TWO SIGMA ADVISERS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 168,807 shares
    • TWO SIGMA ADVISERS, LP: 237,299 shares

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

  5. period ended2025-06-30
    13F 498,954 shares
    Change vs previous 13F -367,329 shares

    0.05% of the 13F portfolio, value $56,311,948.

    13F-HR 0000899140-25-000953 filed by TWO SIGMA ADVISERS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 109,255 shares
    • TWO SIGMA ADVISERS, LP: 389,699 shares

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

  6. period ended2025-03-31
    13F 866,283 shares
    Change vs previous 13F -302,496 shares

    0.09% of the 13F portfolio, value $80,330,422.

    13F-HR 0000899140-25-000679 filed by TWO SIGMA ADVISERS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 272,284 shares
    • TWO SIGMA ADVISERS, LP: 593,999 shares

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

  7. period ended2024-12-31
    13F 1,168,779 shares
    Change vs previous 13F +95,593 shares

    0.14% of the 13F portfolio, value $124,848,973.

    13F-HR 0000899140-25-000264 filed by TWO SIGMA ADVISERS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 468,580 shares
    • TWO SIGMA ADVISERS, LP: 700,199 shares

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

  8. period ended2024-09-30
    13F 1,073,186 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $110,827,918.

    13F-HR 0000919574-24-006607 filed by TWO SIGMA ADVISERS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 421,787 shares
    • TWO SIGMA ADVISERS, LP: 651,399 shares

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