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Zweig-DiMenna Associates LLC: COHR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Zweig-DiMenna Associates LLC on COHR, newest first. How the timeline and the estimate are built.

Zweig-DiMenna Associates LLC held 92,371 COHR shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 92,371 shares
    Change vs previous 13F -24,379 shares

    3.31% of the 13F portfolio, value $36,437,588.

    13F-HR 0001104659-26-095779 filed by Zweig-DiMenna Associates 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 116,750 shares
    Change vs previous 13F +39,850 shares

    3.9% of the 13F portfolio, value $27,811,018.

    13F-HR 0001104659-26-055325 filed by Zweig-DiMenna Associates 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 76,900 shares
    Change vs previous 13F not available

    1.01% of the 13F portfolio, value $14,193,433.

    13F-HR 0001104659-26-012400 filed by Zweig-DiMenna Associates LLC
    Filed (acceptance time not in the bulk data set), ingested

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