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Disclosery

Granahan Investment Management, LLC: CWST position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Granahan Investment Management, LLC on CWST, newest first. How the timeline and the estimate are built.

Granahan Investment Management, LLC held 436,289 CWST 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 436,289 shares
    Change vs previous 13F +186,027 shares

    1.51% of the 13F portfolio, value $42,306,944.

    13F-HR 0001398344-26-014483 filed by Granahan Investment Management, 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 250,262 shares
    Change vs previous 13F -7,453 shares

    0.96% of the 13F portfolio, value $19,855,787.

    13F-HR 0001398344-26-009220 filed by Granahan Investment Management, 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 257,715 shares
    Change vs previous 13F -56,629 shares

    1.08% of the 13F portfolio, value $25,240,607.

    13F-HR 0001398344-26-003202 filed by Granahan Investment Management, 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 314,344 shares
    Change vs previous 13F +1,936 shares

    1.22% of the 13F portfolio, value $29,824,959.

    13F-HR 0001398344-25-020897 filed by Granahan Investment Management, LLC
    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 312,408 shares
    Change vs previous 13F -30,570 shares

    1.47% of the 13F portfolio, value $36,045,635.

    13F-HR 0001398344-25-015412 filed by Granahan Investment Management, 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 342,978 shares
    Change vs previous 13F -29,343 shares

    1.9% of the 13F portfolio, value $38,245,477.

    13F-HR 0001398344-25-009461 filed by Granahan Investment Management, LLC
    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 372,321 shares
    Change vs previous 13F -19,124 shares

    1.64% of the 13F portfolio, value $39,395,285.

    13F-HR 0001398344-25-002765 filed by Granahan Investment Management, LLC
    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 391,445 shares
    Change vs previous 13F not available

    1.53% of the 13F portfolio, value $38,944,863.

    13F-HR 0001398344-24-020730 filed by Granahan Investment Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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