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Disclosery

ADAGE CAPITAL PARTNERS GP, L.L.C.: WAT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ADAGE CAPITAL PARTNERS GP, L.L.C. on WAT, newest first. How the timeline and the estimate are built.

ADAGE CAPITAL PARTNERS GP, L.L.C. held 144,556 WAT 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 144,556 shares
    Change vs previous 13F +56,700 shares

    0.08% of the 13F portfolio, value $54,214,282.

    13F-HR 0001172661-26-003503 filed by ADAGE CAPITAL PARTNERS GP, L.L.C.
    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 87,856 shares
    Change vs previous 13F +87,856 shares

    0.04% of the 13F portfolio, value $26,163,517.

    13F-HR 0001172661-26-002029 filed by ADAGE CAPITAL PARTNERS GP, L.L.C.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 0 shares
    Change vs previous 13F -29,465 shares

    13F-HR 0001172661-25-004959 filed by ADAGE CAPITAL PARTNERS GP, L.L.C.
    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.

  4. period ended2025-06-30
    13F 29,465 shares
    Change vs previous 13F -24,700 shares

    0.02% of the 13F portfolio, value $10,284,464.

    13F-HR 0001172661-25-003279 filed by ADAGE CAPITAL PARTNERS GP, L.L.C.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 54,165 shares
    Change vs previous 13F -1,300 shares

    0.04% of the 13F portfolio, value $19,963,594.

    13F-HR 0001172661-25-002042 filed by ADAGE CAPITAL PARTNERS GP, L.L.C.
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 55,465 shares
    Change vs previous 13F +55,465 shares

    0.04% of the 13F portfolio, value $20,576,406.

    13F-HR 0001172661-25-000948 filed by ADAGE CAPITAL PARTNERS GP, L.L.C.
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-09-30
    13F 0 shares
    Change vs previous 13F not available

    13F-HR 0001172661-24-004840 filed by ADAGE CAPITAL PARTNERS GP, L.L.C.
    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.