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Disclosery

Atom Investors LP: SNDX position timeline

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

Atom Investors LP held 162,524 SNDX 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 162,524 shares
    Change vs previous 13F +6,559 shares

    0.32% of the 13F portfolio, value $3,552,775.

    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 ended2026-03-31
    13F 155,965 shares
    Change vs previous 13F +14,299 shares

    0.26% of the 13F portfolio, value $3,643,342.

    13F-HR 0001214659-26-006309 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).

  3. period ended2025-12-31
    13F 141,666 shares
    Change vs previous 13F +141,666 shares

    0.24% of the 13F portfolio, value $2,976,403.

    13F-HR 0001214659-26-001839 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 ended2025-09-30
    13F 0 shares
    Change vs previous 13F -13,104 shares

    13F-HR 0001214659-25-016495 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.

  5. period ended2025-06-30
    13F 13,104 shares
    Change vs previous 13F -44,170 shares

    0.01% of the 13F portfolio, value $122,719.

    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).

  6. period ended2025-03-31
    13F 57,274 shares
    Change vs previous 13F -5,521 shares

    0.09% of the 13F portfolio, value $703,611.

    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).

  7. period ended2024-12-31
    13F 62,795 shares
    Change vs previous 13F not available

    0.1% of the 13F portfolio, value $830,150.

    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).