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ALLEN OPERATIONS LLC: IBRX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ALLEN OPERATIONS LLC on IBRX, newest first. How the timeline and the estimate are built.

ALLEN OPERATIONS LLC held 687,571 IBRX shares at 2026-06-30 per its 13F-HR filed 2026-08-05.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 687,571 shares
    Change vs previous 13F 0 shares

    0.59% of the 13F portfolio, value $6,019,684.

    13F-HR 0001214659-26-009630 filed by ALLEN HOLDING INC /NY
    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 687,571 shares
    Change vs previous 13F 0 shares

    0.52% of the 13F portfolio, value $5,273,670.

    13F-HR 0001214659-26-005738 filed by ALLEN HOLDING INC /NY
    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 687,571 shares
    Change vs previous 13F 0 shares

    0.13% of the 13F portfolio, value $1,361,391.

    13F-HR 0001214659-26-001412 filed by ALLEN HOLDING INC /NY
    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 687,571 shares
    Change vs previous 13F 0 shares

    0.16% of the 13F portfolio, value $1,691,425.

    13F-HR 0001214659-25-015983 filed by ALLEN HOLDING INC /NY
    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 687,571 shares
    Change vs previous 13F 0 shares

    0.18% of the 13F portfolio, value $1,815,187.

    13F-HR 0001214659-25-011664 filed by ALLEN HOLDING INC /NY
    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 687,571 shares
    Change vs previous 13F 0 shares

    0.22% of the 13F portfolio, value $2,069,589.

    13F-HR 0001214659-25-007065 filed by ALLEN HOLDING INC /NY
    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 687,571 shares
    Change vs previous 13F 0 shares

    0.19% of the 13F portfolio, value $1,760,182.

    13F-HR 0001214659-25-002275 filed by ALLEN HOLDING INC /NY
    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 687,571 shares
    Change vs previous 13F not available

    0.28% of the 13F portfolio, value $2,557,764.

    13F-HR 0001214659-24-018527 filed by ALLEN HOLDING INC /NY
    Filed (acceptance time not in the bulk data set), ingested

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