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Disclosery

Atom Investors LP: SIMO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Atom Investors LP on SIMO, newest first. How the timeline and the estimate are built.

Atom Investors LP held 1,533 SIMO 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 1,533 shares
    Change vs previous 13F +1,533 shares

    0.05% of the 13F portfolio, value $510,995.

    13F-HR 0001214659-26-010164 filed by Atom Investors LP
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2025-06-30
    13F 0 shares
    Change vs previous 13F -29,903 shares

    13F-HR 0001214659-25-012165 filed by Atom Investors LP
    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.

  3. period ended2025-03-31
    13F 29,903 shares
    Change vs previous 13F +23,292 shares

    0.19% of the 13F portfolio, value $1,511,896.

    13F-HR 0001214659-25-007681 filed by Atom Investors LP
    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 6,611 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $357,325.

    13F-HR 0001214659-25-002663 filed by Atom Investors LP
    Filed (acceptance time not in the bulk data set), ingested

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