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Atom Investors LP: PFE position timeline

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

Atom Investors LP held 56,935 PFE 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 56,935 shares
    Change vs previous 13F -119,320 shares

    0.12% of the 13F portfolio, value $1,370,995.

    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 ended2026-03-31
    13F 176,255 shares
    Change vs previous 13F +8,984 shares

    0.35% of the 13F portfolio, value $4,949,240.

    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 167,271 shares
    Change vs previous 13F +118,463 shares

    0.33% of the 13F portfolio, value $4,165,048.

    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 48,808 shares
    Change vs previous 13F -64,536 shares

    0.09% of the 13F portfolio, value $1,243,628.

    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).

  5. period ended2025-06-30
    13F 113,344 shares
    Change vs previous 13F not available

    0.24% of the 13F portfolio, value $2,747,459.

    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).