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Disclosery

Birnam Oak Advisors, LP: ECHO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Birnam Oak Advisors, LP on ECHO, newest first. How the timeline and the estimate are built.

Birnam Oak Advisors, LP held 187,428 ECHO 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 187,428 shares
    Change vs previous 13F +41,493 shares

    3.11% of the 13F portfolio, value $19,023,942.

    13F-HR 0001172661-26-003467 filed by Birnam Oak Advisors, LP
    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 145,935 shares
    Change vs previous 13F +8,000 shares

    4.71% of the 13F portfolio, value $17,084,611.

    13F-HR 0001172661-26-001696 filed by Birnam Oak Advisors, LP
    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 137,935 shares
    Change vs previous 13F -55,000 shares

    3.36% of the 13F portfolio, value $14,993,534.

    13F-HR 0001172661-26-001061 filed by Birnam Oak Advisors, LP
    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 192,935 shares
    Change vs previous 13F not available

    3.61% of the 13F portfolio, value $14,732,517.

    13F-HR 0001172661-25-004845 filed by Birnam Oak Advisors, LP
    Filed (acceptance time not in the bulk data set), ingested

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