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Disclosery

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND: ATEC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND on ATEC, newest first. How the timeline and the estimate are built.

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND held 71,200 ATEC shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 71,200 shares
    Change vs previous 13F +47,039 shares

    <0.01% of the 13F portfolio, value $615,880.

    13F-HR 0001535845-26-000007 filed by HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
    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 24,161 shares
    Change vs previous 13F -178,839 shares

    <0.01% of the 13F portfolio, value $262,872.

    13F-HR 0001535845-26-000004 filed by HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
    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 203,000 shares
    Change vs previous 13F -38,000 shares

    0.01% of the 13F portfolio, value $4,271,120.

    13F-HR 0001535845-26-000002 filed by HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
    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 241,000 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $3,504,140.

    13F-HR 0001535845-25-000013 filed by HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
    Filed (acceptance time not in the bulk data set), ingested

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