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CenterBook Partners LP: PGNY position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of CenterBook Partners LP on PGNY, newest first. How the timeline and the estimate are built.

CenterBook Partners LP held 170,229 PGNY shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 170,229 shares
    Change vs previous 13F -707,348 shares

    0.24% of the 13F portfolio, value $4,907,702.

    13F-HR 0001872738-26-000010 filed by CenterBook Partners 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 877,577 shares
    Change vs previous 13F +299,406 shares

    0.8% of the 13F portfolio, value $14,901,257.

    13F-HR 0001872738-26-000008 filed by CenterBook Partners 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 578,171 shares
    Change vs previous 13F +153,778 shares

    0.73% of the 13F portfolio, value $14,847,431.

    13F-HR 0000902664-26-000841 filed by CenterBook Partners 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 424,393 shares
    Change vs previous 13F +310,516 shares

    0.45% of the 13F portfolio, value $9,132,937.

    13F-HR 0000902664-25-004789 filed by CenterBook Partners LP
    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 113,877 shares
    Change vs previous 13F -401,749 shares

    0.14% of the 13F portfolio, value $2,505,294.

    13F-HR 0000902664-25-003518 filed by CenterBook Partners LP
    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 515,626 shares
    Change vs previous 13F +423,257 shares

    0.73% of the 13F portfolio, value $11,519,085.

    13F-HR 0000902664-25-002221 filed by CenterBook Partners LP
    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 92,369 shares
    Change vs previous 13F not available

    0.1% of the 13F portfolio, value $1,593,365.

    13F-HR 0000902664-25-000921 filed by CenterBook Partners LP
    Filed (acceptance time not in the bulk data set), ingested

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