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FRED ALGER MANAGEMENT, LLC: BLFS position timeline

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

FRED ALGER MANAGEMENT, LLC held 1,077,577 BLFS 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 1,077,577 shares
    Change vs previous 13F -2,358 shares

    0.1% of the 13F portfolio, value $30,430,774.

    13F-HR 0001193125-26-352250 filed by FRED ALGER MANAGEMENT, LLC
    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 1,079,935 shares
    Change vs previous 13F -3,903 shares

    0.09% of the 13F portfolio, value $20,605,160.

    13F-HR 0001193125-26-226659 filed by FRED ALGER 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 ended2025-12-31
    13F 1,083,838 shares
    Change vs previous 13F -25,084 shares

    0.1% of the 13F portfolio, value $26,207,203.

    13F-HR 0001193125-26-052991 filed by FRED ALGER 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 ended2025-09-30
    13F 1,108,922 shares
    Change vs previous 13F -139,106 shares

    0.11% of the 13F portfolio, value $28,288,600.

    13F-HR 0001193125-25-282909 filed by FRED ALGER 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 ended2025-06-30
    13F 1,248,028 shares
    Change vs previous 13F -285,094 shares

    0.12% of the 13F portfolio, value $26,882,523.

    13F-HR 0000950123-25-008360 filed by FRED ALGER 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 ended2025-03-31
    13F 1,533,122 shares
    Change vs previous 13F -61,099 shares

    0.2% of the 13F portfolio, value $35,016,506.

    13F-HR 0000950123-25-005777 filed by FRED ALGER 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 ended2024-12-31
    13F 1,594,221 shares
    Change vs previous 13F +16,274 shares

    0.2% of the 13F portfolio, value $41,385,977.

    13F-HR 0000950123-25-002764 filed by FRED ALGER 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 ended2024-09-30
    13F 1,577,947 shares
    Change vs previous 13F not available

    0.19% of the 13F portfolio, value $39,511,793.

    13F-HR 0000950123-24-011836 filed by FRED ALGER MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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