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Disclosery

ROYCE & ASSOCIATES LP: ASPN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ROYCE & ASSOCIATES LP on ASPN, newest first. How the timeline and the estimate are built.

ROYCE & ASSOCIATES LP held 1,323,218 ASPN 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 1,323,218 shares
    Change vs previous 13F +336,705 shares

    0.07% of the 13F portfolio, value $8,389,202.

    13F-HR 0000906304-26-000154 filed by ROYCE & ASSOCIATES 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 986,513 shares
    Change vs previous 13F +986,513 shares

    0.03% of the 13F portfolio, value $3,373,874.

    13F-HR 0000906304-26-000094 filed by ROYCE & ASSOCIATES LP
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 0 shares
    Change vs previous 13F -531,068 shares

    13F-HR 0000906304-25-000248 filed by ROYCE & ASSOCIATES LP
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  4. period ended2025-06-30
    13F 531,068 shares
    Change vs previous 13F -175,210 shares

    0.03% of the 13F portfolio, value $3,143,923.

    13F-HR 0000906304-25-000173 filed by ROYCE & ASSOCIATES LP
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 706,278 shares
    Change vs previous 13F -240,345 shares

    0.05% of the 13F portfolio, value $4,513,116.

    13F-HR 0000906304-25-000113 filed by ROYCE & ASSOCIATES LP
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 946,623 shares
    Change vs previous 13F -265,474 shares

    0.1% of the 13F portfolio, value $11,245,881.

    13F-HR 0000906304-25-000062 filed by ROYCE & ASSOCIATES LP
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-09-30
    13F 1,212,097 shares
    Change vs previous 13F not available

    0.31% of the 13F portfolio, value $33,562,966.

    13F-HR 0000906304-24-000143 filed by ROYCE & ASSOCIATES LP
    Filed (acceptance time not in the bulk data set), ingested

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