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Disclosery

Mattson Financial Services, LLC: GSY position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Mattson Financial Services, LLC on GSY, newest first. How the timeline and the estimate are built.

Mattson Financial Services, LLC held 16,798 GSY shares at 2026-06-30 per its 13F-HR filed 2026-08-04.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 16,798 shares
    Change vs previous 13F -8,860 shares

    0.18% of the 13F portfolio, value $843,932.

    13F-HR 0002034595-26-000003 filed by Mattson Financial Services, 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 25,658 shares
    Change vs previous 13F -3,314 shares

    0.31% of the 13F portfolio, value $1,285,979.

    13F-HR 0002034595-26-000002 filed by Mattson Financial Services, 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 28,972 shares
    Change vs previous 13F +1,121 shares

    0.34% of the 13F portfolio, value $1,455,843.

    13F-HR 0002034595-26-000001 filed by Mattson Financial Services, 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 27,851 shares
    Change vs previous 13F -2,438 shares

    0.33% of the 13F portfolio, value $1,399,070.

    13F-HR 0002034595-25-000007 filed by Mattson Financial Services, 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 30,289 shares
    Change vs previous 13F -3,121 shares

    0.41% of the 13F portfolio, value $1,518,690.

    13F-HR 0002034595-25-000003 filed by Mattson Financial Services, 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 33,410 shares
    Change vs previous 13F -2,559 shares

    0.5% of the 13F portfolio, value $1,674,510.

    13F-HR 0002034595-25-000002 filed by Mattson Financial Services, 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 35,969 shares
    Change vs previous 13F -43,700 shares

    0.57% of the 13F portfolio, value $1,804,925.

    13F-HR 0002034595-25-000001 filed by Mattson Financial Services, 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 79,669 shares
    Change vs previous 13F not available

    1.43% of the 13F portfolio, value $3,975,483.

    13F-HR 0002034595-24-000002 filed by Mattson Financial Services, LLC
    Filed (acceptance time not in the bulk data set), ingested

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