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Disclosery

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS: MKSI position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS on MKSI, newest first. How the timeline and the estimate are built.

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS held 16,170 MKSI shares at 2026-06-30 per its 13F-HR filed 2026-07-17.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 16,170 shares
    Change vs previous 13F -659 shares

    0.03% of the 13F portfolio, value $7,192,416.

    13F-HR 0001083190-26-000007 filed by COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
    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 16,829 shares
    Change vs previous 13F +21 shares

    0.02% of the 13F portfolio, value $3,867,472.

    13F-HR 0001083190-26-000004 filed by COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
    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 16,808 shares
    Change vs previous 13F -428 shares

    0.01% of the 13F portfolio, value $2,685,918.

    13F-HR 0001083190-26-000002 filed by COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
    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 17,236 shares
    Change vs previous 13F +3 shares

    0.01% of the 13F portfolio, value $2,133,300.

    13F-HR 0001083190-25-000011 filed by COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
    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 17,233 shares
    Change vs previous 13F +1,146 shares

    0.01% of the 13F portfolio, value $1,712,271.

    13F-HR 0001083190-25-000006 filed by COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
    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 16,087 shares
    Change vs previous 13F +1,224 shares

    0.01% of the 13F portfolio, value $1,289,373.

    13F-HR 0001083190-25-000004 filed by COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
    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 14,863 shares
    Change vs previous 13F +30 shares

    0.01% of the 13F portfolio, value $1,551,549.

    13F-HR 0001083190-25-000002 filed by COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
    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 14,833 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $1,612,495.

    13F-HR 0001083190-24-000010 filed by COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
    Filed (acceptance time not in the bulk data set), ingested

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