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BRIGHT ROCK CAPITAL MANAGEMENT, LLC: DTM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BRIGHT ROCK CAPITAL MANAGEMENT, LLC on DTM, newest first. How the timeline and the estimate are built.

BRIGHT ROCK CAPITAL MANAGEMENT, LLC held 15,000 DTM shares at 2026-09-30 per its 13F-HR filed 2026-10-05.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 15,000 shares
    Change vs previous 13F 0 shares

    0.34% of the 13F portfolio, value $1,792,050.

    13F-HR 0001509973-26-000004 filed by BRIGHT ROCK CAPITAL MANAGEMENT, LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 15,000 shares
    Change vs previous 13F 0 shares

    0.44% of the 13F portfolio, value $2,201,100.

    13F-HR 0001509973-26-000003 filed by BRIGHT ROCK CAPITAL 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 ended2026-03-31
    13F 15,000 shares
    Change vs previous 13F 0 shares

    0.4% of the 13F portfolio, value $2,020,050.

    13F-HR 0001509973-26-000002 filed by BRIGHT ROCK CAPITAL 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 ended2025-12-31
    13F 15,000 shares
    Change vs previous 13F 0 shares

    0.35% of the 13F portfolio, value $1,795,200.

    13F-HR 0001509973-26-000001 filed by BRIGHT ROCK CAPITAL 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 ended2025-09-30
    13F 15,000 shares
    Change vs previous 13F 0 shares

    0.33% of the 13F portfolio, value $1,695,900.

    13F-HR 0001509973-25-000005 filed by BRIGHT ROCK CAPITAL 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 ended2025-06-30
    13F 15,000 shares
    Change vs previous 13F 0 shares

    0.33% of the 13F portfolio, value $1,648,650.

    13F-HR 0001509973-25-000004 filed by BRIGHT ROCK CAPITAL 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 ended2025-03-31
    13F 15,000 shares
    Change vs previous 13F 0 shares

    0.3% of the 13F portfolio, value $1,447,200.

    13F-HR 0001509973-25-000002 filed by BRIGHT ROCK CAPITAL 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 ended2024-12-31
    13F 15,000 shares
    Change vs previous 13F not available

    0.32% of the 13F portfolio, value $1,491,450.

    13F-HR 0001509973-25-000001 filed by BRIGHT ROCK CAPITAL MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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