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TWO SIGMA INVESTMENTS, LP: ASPN position timeline

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

TWO SIGMA INVESTMENTS, LP held 779,468 ASPN 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 779,468 shares
    Change vs previous 13F +338,032 shares

    <0.01% of the 13F portfolio, value $4,941,827.

    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 441,436 shares
    Share basis changed not comparable

    Membership change: TWO SIGMA ADVISERS, LP left the group. <0.01% of the 13F portfolio, value $1,509,711.

    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 861,719 shares
    Change vs previous 13F -54,309 shares

    <0.01% of the 13F portfolio, value $2,438,665.

    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: 757,419 shares
    • TWO SIGMA ADVISERS, LP: 104,300 shares

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

  4. period ended2025-09-30
    13F 916,028 shares
    Change vs previous 13F +104,821 shares

    0.01% of the 13F portfolio, value $6,375,555.

    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: 811,528 shares
    • TWO SIGMA ADVISERS, LP: 104,500 shares

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

  5. period ended2025-06-30
    13F 811,207 shares
    Change vs previous 13F -155,477 shares

    <0.01% of the 13F portfolio, value $4,802,345.

    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: 771,307 shares
    • TWO SIGMA ADVISERS, LP: 39,900 shares

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

  6. period ended2025-03-31
    13F 966,684 shares
    Change vs previous 13F +312,919 shares

    0.01% of the 13F portfolio, value $6,177,111.

    13F-HR 0000899140-25-000680 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 901,484 shares
    • TWO SIGMA ADVISERS, LP: 65,200 shares

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

  7. period ended2024-12-31
    13F 653,765 shares
    Change vs previous 13F +573,439 shares

    0.01% of the 13F portfolio, value $7,766,728.

    13F-HR 0000899140-25-000265 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 592,765 shares
    • TWO SIGMA ADVISERS, LP: 61,000 shares

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

  8. period ended2024-09-30
    13F 80,326 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $2,224,227.

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

    • TWO SIGMA INVESTMENTS, LP: 80,326 shares
    • TWO SIGMA ADVISERS, LP: 0 shares

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