Public LEI record · Global LEI Index Managed by RapidLEI
Luxembourg
31, Z.A. Bourmicht, Bertrange, 8070, LU
Record snapshot
The Legal Entity Identifier for U.S. SMALL-MID CAP CORE FUND is 549300TBO62M3GOZJJ83. It is valid, policy conforming and renewed until 22 Jun 2027.
U.S. SMALL-MID CAP CORE FUND is a société d'investissement à capital variable formed in Luxembourg, registered as O00003657_00000010 with CSSF - Supervised Entities, Luxembourg. The LEI was registered on 26 Oct 2018. At its last validation on 9 Jun 2026, all of its Level 1 reference data was confirmed against CSSF - Supervised Entities, Luxembourg. It reports no parent, on the grounds that no controlling person is known. U.S. SMALL-MID CAP CORE FUND is a sub-fund of William Blair SICAV, managed by WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC. RapidLEI maintains the record.
Eight successful renewals in 8 years.
First LEI registered on 26 Oct 2018, with at least 8 renewals recorded. It was temporarily lapsed from 17 May 2023 to 12 Jul 2023, and has been valid for the 3 years since. The next renewal falls due on 22 Jun 2027.
UDY2LURA000433. Registration number O00003657_00000010 589299338
Other identifiers recorded against this LEI.
What this record’s status means
The headquarters address was updated.
Renewed. The next renewal date moved from 22 Jun 2026 to 22 Jun 2027.
The headquarters address was updated.
Renewed. The next renewal date moved from 22 Jun 2025 to 22 Jun 2026.
Renewed. The next renewal date moved from 22 Jun 2024 to 22 Jun 2025.
The legal address was updated.
The headquarters address was updated.
Registration status changed from Pending archival to Issued.
Renewed. The next renewal date is now 22 Jun 2024.
Management of this LEI transferred from NordLEI to Ubisecure RapidLEI.
The recorded legal form was updated.
Registration status changed from Pending transfer to Pending archival.
Registration status changed from Issued to Pending transfer.
Registration status changed from Pending archival to Issued.
Renewed. The next renewal date is now 22 Jun 2024.
Management of this LEI transferred from GMEI Utility a service of BED B.V. to NordLEI.
Registration status changed from Pending transfer to Pending archival.
Registration status changed from Issued to Pending transfer.
The headquarters address was updated.
Registration status changed from Lapsed to Issued.
Renewed. The next renewal date is now 22 Jun 2024.
Renewed. The next renewal date moved from 16 May 2023 to 22 Jun 2024.
The headquarters address was updated.
Registration status changed from Issued to Lapsed.
Legal name changed from WILLIAM BLAIR SICAV - U.S. SMALL-MID CAP CORE FUND to U.S. SMALL-MID CAP CORE FUND.
The headquarters address was updated.
Renewed. The next renewal date moved from 14 Jul 2022 to 16 May 2023.
Legal form recorded as FUND.
Legal form changed.
Renewed. The next renewal date moved from 12 Aug 2021 to 14 Jul 2022.
Legal form recorded as FUND.
The legal address was updated.
Renewed. The next renewal date moved from 11 Oct 2020 to 12 Aug 2021.
Legal name changed from William Blair SICAV - U.S. Small-Mid Cap Core Fund to WILLIAM BLAIR SICAV - U.S. SMALL-MID CAP CORE FUND.
The legal address was updated.
Legal jurisdiction recorded as Luxembourg.
Renewed. The next renewal date moved from 25 Oct 2019 to 11 Oct 2020.
Legal jurisdiction changed.
The LEI was registered and first published to the Global LEI Index.
U.S. SMALL-MID CAP CORE FUND
Active
The chain ends here. No other entity reports U.S. SMALL-MID CAP CORE FUND as its parent, so the count is a stated zero rather than data still to arrive.
Level 2 data records who consolidates this entity. A reported relationship, or a reported reason for the absence of one, both satisfy the standard. Only a record carrying neither is incomplete. This is usual for funds. Umbrella, manager and sub-fund relationships are recorded in the fund structure below.
Active
U.S. SMALL-MID CAP CORE FUND
Active
No other fund reports U.S. SMALL-MID CAP CORE FUND as its umbrella, so the count is a stated zero rather than data still to arrive.
GLEIF records fund relationships separately from the consolidation parents above. A sub-fund reporting no consolidating parent is the ordinary case, and says nothing about the structure shown here.
Source registry
CSSF - Supervised Entities, Luxembourg
Validated against
CSSF - Supervised Entities, Luxembourg
Maintained by
Ubisecure RapidLEI
Published in
The GLEIF Global LEI Index. This record last updated 9 Jun 2026
Reference data from the GLEIF Global LEI Index, as published on 9 Jun 2026.