Skip to content
Disclosery

VOLORIDGE INVESTMENT MANAGEMENT, LLC: AMPH position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of VOLORIDGE INVESTMENT MANAGEMENT, LLC on AMPH, newest first. How the timeline and the estimate are built.

VOLORIDGE INVESTMENT MANAGEMENT, LLC held 50,912 AMPH 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 50,912 shares
    Change vs previous 13F -120,276 shares

    <0.01% of the 13F portfolio, value $1,027,404.

    13F-HR 0001556921-26-000006 filed by VOLORIDGE INVESTMENT MANAGEMENT, LLC
    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 171,188 shares
    Change vs previous 13F -60,117 shares

    0.01% of the 13F portfolio, value $3,353,573.

    13F-HR 0001420506-26-001152 filed by VOLORIDGE INVESTMENT MANAGEMENT, LLC
    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 231,305 shares
    Change vs previous 13F -61,138 shares

    0.02% of the 13F portfolio, value $6,194,348.

    13F-HR 0001420506-26-000565 filed by VOLORIDGE INVESTMENT MANAGEMENT, LLC
    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 292,443 shares
    Change vs previous 13F -33,069 shares

    0.03% of the 13F portfolio, value $7,793,606.

    13F-HR 0001214659-25-016646 filed by VOLORIDGE INVESTMENT MANAGEMENT, LLC
    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 325,512 shares
    Change vs previous 13F +109,510 shares

    0.03% of the 13F portfolio, value $7,473,756.

    13F-HR 0001214659-25-012239 filed by VOLORIDGE INVESTMENT MANAGEMENT, LLC
    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 216,002 shares
    Change vs previous 13F +72,566 shares

    0.02% of the 13F portfolio, value $6,261,898.

    13F-HR 0001214659-25-007845 filed by VOLORIDGE INVESTMENT MANAGEMENT, LLC
    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 143,436 shares
    Change vs previous 13F +19,991 shares

    0.02% of the 13F portfolio, value $5,325,779.

    13F-HR 0001214659-25-002855 filed by VOLORIDGE INVESTMENT MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 123,445 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $5,990,786.

    13F-HR 0001214659-24-019151 filed by VOLORIDGE INVESTMENT MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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