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Disclosery

Birchview Capital, LP: CSTL position timeline

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

Birchview Capital, LP held 12,984 CSTL 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 12,984 shares
    Change vs previous 13F +84 shares

    0.14% of the 13F portfolio, value $309,668.

    13F-HR 0001618205-26-000003 filed by Birchview Capital, 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 12,900 shares
    Change vs previous 13F -67,700 shares

    0.18% of the 13F portfolio, value $316,695.

    13F-HR 0001618205-26-000002 filed by Birchview Capital, 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 80,600 shares
    Change vs previous 13F -30,000 shares

    1.84% of the 13F portfolio, value $3,135,340.

    13F-HR 0001618205-26-000001 filed by Birchview Capital, 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 110,600 shares
    Change vs previous 13F 0 shares

    1.9% of the 13F portfolio, value $2,518,362.

    13F-HR 0001618205-25-000011 filed by Birchview Capital, 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 110,600 shares
    Change vs previous 13F +22,196 shares

    2.24% of the 13F portfolio, value $2,258,452.

    13F-HR 0001618205-25-000009 filed by Birchview Capital, 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 88,404 shares
    Change vs previous 13F +10,404 shares

    1.54% of the 13F portfolio, value $1,769,848.

    13F-HR 0001618205-25-000002 filed by Birchview Capital, 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/A 78,000 shares
    Change vs previous 13F +20,000 shares

    1.69% of the 13F portfolio, value $2,078,700.

    13F-HR/A 0001618205-25-000008 filed by Birchview Capital, 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/A 58,000 shares
    Change vs previous 13F not available

    1.43% of the 13F portfolio, value $1,654,160.

    13F-HR/A 0001618205-25-000007 filed by Birchview Capital, LP
    Filed (acceptance time not in the bulk data set), ingested

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