Skip to content

Rubric Capital Management LP: OPK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Rubric Capital Management LP on OPK, newest first. How the timeline and the estimate are built.

Rubric Capital Management LP held 47,791,243 OPK 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 47,791,243 shares
    Change vs previous 13F 0 shares

    0.66% of the 13F portfolio, value $71,686,865.

    13F-HR 0001104659-26-097098 filed by Rubric Capital Management 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 47,791,243 shares
    Change vs previous 13F 0 shares

    0.67% of the 13F portfolio, value $54,482,017.

    13F-HR 0001104659-26-062466 filed by Rubric Capital Management 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 47,791,243 shares
    Change vs previous 13F 0 shares

    0.72% of the 13F portfolio, value $60,216,966.

    13F-HR 0001104659-26-015172 filed by Rubric Capital Management 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 47,791,243 shares
    Change vs previous 13F 0 shares

    0.99% of the 13F portfolio, value $74,076,427.

    13F-HR 0001104659-25-112706 filed by Rubric Capital Management 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 47,791,243 shares
    Change vs previous 13F -915,397 shares

    1.01% of the 13F portfolio, value $63,084,441.

    13F-HR 0001104659-25-078662 filed by Rubric Capital Management 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 48,706,640 shares
    Change vs previous 13F 0 shares

    1.45% of the 13F portfolio, value $80,853,022.

    13F-HR 0001104659-25-048481 filed by Rubric Capital Management 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 48,706,640 shares
    Change vs previous 13F 0 shares

    1.3% of the 13F portfolio, value $71,598,761.

    13F-HR 0001104659-25-014131 filed by Rubric Capital Management LP
    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 48,706,640 shares
    Change vs previous 13F not available

    1.19% of the 13F portfolio, value $72,572,894.

    13F-HR 0001104659-24-117768 filed by Rubric Capital Management LP
    Filed (acceptance time not in the bulk data set), ingested

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