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Zweig-DiMenna Associates LLC: SNDK position timeline

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

Zweig-DiMenna Associates LLC held 32,609 SNDK 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 32,609 shares
    Change vs previous 13F +7,759 shares

    6.73% of the 13F portfolio, value $74,144,062.

    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 24,850 shares
    Change vs previous 13F -41,650 shares

    2.21% of the 13F portfolio, value $15,788,199.

    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 66,500 shares
    Change vs previous 13F +66,500 shares

    1.12% of the 13F portfolio, value $15,785,770.

    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).

  4. period ended2025-09-30
    13F 0 shares
    Change vs previous 13F -185,003 shares

    13F-HR 0001104659-25-108211 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).

    Exited: the 13F for this period no longer lists the position.

  5. period ended2025-06-30
    13F 185,003 shares
    Change vs previous 13F +142,500 shares

    0.86% of the 13F portfolio, value $8,389,886.

    13F-HR 0001104659-25-074002 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).

  6. period ended2025-03-31
    13F 42,503 shares
    Change vs previous 13F not available

    0.32% of the 13F portfolio, value $2,023,568.

    13F-HR 0001104659-25-045346 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).