William Blair Small-Mid Cap Core Fund

549300ECH5GG47ZL5S10Copied!

ACTIVE ISSUED FUND 🇺🇸 United States

William Blair Small-Mid Cap Core Fund is an active legal entity registered in United States (US-IL). LEI code: 549300ECH5GG47ZL5S10. The LEI was first issued on Jul 4, 2019 and is managed by LOU 529900T8BM49AURSDO55. Next renewal is due Feb 22, 2027.

Entity Details

LEI Code 549300ECH5GG47ZL5S10 Legal Name William Blair Small-Mid Cap Core Fund Status ACTIVE Jurisdiction 🇺🇸 United States (US-IL) Category Investment Funds Legal Form Other / Not Classified Registration # S000066499

Registration & Compliance

Reg. Status ISSUED Initial Reg. Jul 4, 2019 Last Updated Feb 14, 2026 Next Renewal Feb 22, 2027 Corroboration PARTIALLY_CORROBORATED Managing LOU London Stock Exchange plc (unavista) Reg. Authority Registration Authority RA000665

Addresses

Legal / Registered Address
150 NORTH RIVERSIDE PLAZA
CHICAGO
US-IL
60606
US
Headquarters Address
150 NORTH RIVERSIDE SUITE 3500
CHICAGO
US-IL
60606
US

📅 Registration Timeline

First Issued
Jul 4, 2019 — LEI initially registered
Last Updated
Feb 14, 2026 — Record data last refreshed
Next Renewal
Feb 22, 2027 — Upcoming renewal deadline

Data Quality

70%
7 of 10 data fields populated
Legal Name
Legal Address
HQ Address
Jurisdiction
Registration #
Legal Form
BIC / SWIFT
Ownership Data
Other Names
Corroboration

🔎 LEI Code Anatomy

Every LEI is a 20-character alphanumeric code structured in three parts per ISO 17442

5493
00ECH5GG47ZL5S
10
LOU Prefix
Characters 1–4 identify the Local Operating Unit that issued this LEI
Entity Identifier
Characters 5–18 are unique to this specific legal entity
Check Digits ✓
Characters 19–20 are verification digits (MOD 97-10). This LEI passes checksum validation.

Ownership & Relationships

Corporate structure and ownership hierarchy based on GLEIF Level 2 relationship data

Parent Entities (2)

WILLIAM BLAIR FUNDS is subfund of

? Frequently Asked Questions

What is the LEI number for William Blair Small-Mid Cap Core Fund? +

The Legal Entity Identifier (LEI) for William Blair Small-Mid Cap Core Fund is 549300ECH5GG47ZL5S10. This 20-character code uniquely identifies William Blair Small-Mid Cap Core Fund in global financial transactions as per ISO 17442.

Is William Blair Small-Mid Cap Core Fund's LEI active? +

Yes, William Blair Small-Mid Cap Core Fund's LEI is currently active (registration status: ISSUED). The record was last updated on Feb 14, 2026 and is due for renewal on Feb 22, 2027.

Where is William Blair Small-Mid Cap Core Fund registered? +

William Blair Small-Mid Cap Core Fund is registered in United States (jurisdiction: US-IL). The entity is registered under business register number S000066499.

Who owns William Blair Small-Mid Cap Core Fund? +

According to GLEIF Level 2 relationship data, William Blair Small-Mid Cap Core Fund's parent entity is WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC. This ownership information is based on accounting consolidation data reported to the Global LEI System.

What is a Legal Entity Identifier (LEI)? +

An LEI is a 20-character alphanumeric code based on the ISO 17442 standard. It connects to key reference information that enables clear and unique identification of legal entities participating in financial transactions. LEIs are issued by Local Operating Units (LOUs) accredited by the Global Legal Entity Identifier Foundation (GLEIF).

About This LEI Record

This page shows the Legal Entity Identifier (LEI) record for William Blair Small-Mid Cap Core Fund, registered in United States. The LEI code 549300ECH5GG47ZL5S10 is a globally unique 20-character identifier assigned under the ISO 17442 standard to legal entities participating in financial transactions.

The reference data displayed above is sourced from the Global Legal Entity Identifier Foundation (GLEIF) and is updated hourly. This includes Level 1 data (entity identification and addresses) and Level 2 data (ownership relationships), where available.

If the registration status shows "Lapsed," it means the entity has not completed its annual renewal — the LEI still uniquely identifies this entity, but the reference data may not reflect the most recent information. For the most authoritative data, you can cross-reference this record on the official GLEIF website.