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Waterloo Capital, L.P.: MRK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Waterloo Capital, L.P. on MRK, newest first. How the timeline and the estimate are built.

Waterloo Capital, L.P. held 27,308 MRK shares at 2026-06-30 per its 13F-HR filed 2026-07-29.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 27,308 shares
    Change vs previous 13F +238 shares

    0.2% of the 13F portfolio, value $3,509,103.

    13F-HR 0001104659-26-087951 filed by Waterloo Capital, L.P.
    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 27,070 shares
    Change vs previous 13F +703 shares

    0.23% of the 13F portfolio, value $3,256,224.

    13F-HR 0001104659-26-059213 filed by Waterloo Capital, L.P.
    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 26,367 shares
    Change vs previous 13F +18,421 shares

    0.2% of the 13F portfolio, value $2,775,390.

    13F-HR 0001104659-26-012470 filed by Waterloo Capital, L.P.
    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 7,946 shares
    Change vs previous 13F +806 shares

    0.05% of the 13F portfolio, value $666,907.

    13F-HR 0001104659-25-106781 filed by Waterloo Capital, L.P.
    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 7,140 shares
    Change vs previous 13F +4,080 shares

    0.05% of the 13F portfolio, value $565,239.

    13F-HR 0001104659-25-076764 filed by Waterloo Capital, L.P.
    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 3,060 shares
    Change vs previous 13F -94 shares

    0.03% of the 13F portfolio, value $274,685.

    13F-HR 0001104659-25-047228 filed by Waterloo Capital, L.P.
    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 3,154 shares
    Change vs previous 13F +325 shares

    0.03% of the 13F portfolio, value $313,748.

    13F-HR 0001104659-25-012588 filed by Waterloo Capital, L.P.
    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 2,829 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $321,209.

    13F-HR 0001104659-24-118460 filed by Waterloo Capital, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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