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Disclosery

WOODSTOCK CORP: COST position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of WOODSTOCK CORP on COST, newest first. How the timeline and the estimate are built.

WOODSTOCK CORP held 23,711 COST shares at 2026-09-30 per its 13F-HR filed 2026-10-13.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 23,711 shares
    Change vs previous 13F +1,874 shares

    1.73% of the 13F portfolio, value $21,585,121.

    13F-HR 0001062993-26-005277 filed by WOODSTOCK CORP
    Accepted , ingested

  2. period ended2026-06-30
    13F 21,837 shares
    Change vs previous 13F -94 shares

    1.7% of the 13F portfolio, value $20,427,901.

    13F-HR 0001062993-26-003617 filed by WOODSTOCK CORP
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 21,931 shares
    Change vs previous 13F -234 shares

    1.95% of the 13F portfolio, value $21,852,745.

    13F-HR 0001062993-26-001892 filed by WOODSTOCK CORP
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 22,165 shares
    Change vs previous 13F +30 shares

    1.64% of the 13F portfolio, value $19,113,794.

    13F-HR 0001062993-26-000252 filed by WOODSTOCK CORP
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 22,135 shares
    Change vs previous 13F -148 shares

    1.78% of the 13F portfolio, value $20,488,843.

    13F-HR 0001062993-25-015968 filed by WOODSTOCK CORP
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 22,283 shares
    Change vs previous 13F -188 shares

    2.03% of the 13F portfolio, value $22,058,851.

    13F-HR 0001062993-25-012644 filed by WOODSTOCK CORP
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 22,471 shares
    Change vs previous 13F +439 shares

    2.1% of the 13F portfolio, value $21,252,634.

    13F-HR 0001062993-25-007257 filed by WOODSTOCK CORP
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 22,032 shares
    Change vs previous 13F not available

    1.94% of the 13F portfolio, value $20,187,266.

    13F-HR 0001062993-25-000788 filed by WOODSTOCK CORP
    Filed (acceptance time not in the bulk data set), ingested

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