EntityWire/Illinois business entity search →/WINTRUST FINANCIAL CORPORATION
Employer with a benefit plan
WINTRUST FINANCIAL CORPORATION
WINTRUST FINANCIAL CORPORATION's Employer Identification Number (EIN) is 36-3873352.
At a glance
- EIN
- 36-3873352 · 363873352
- Legal name
- WINTRUST FINANCIAL CORPORATION
- Also filed as
- WINTRUST FINANCIAL CORPORATON
- Address on file
- 9700 WEST HIGGINS ROAD, ROSEMONT, IL 60018
- Records show
- SEC filer; employer with a benefit plan
- Latest record
- 2026-08-21
SEC records
SEC EDGAR company filings · records as of 2026-08-21
- SEC CIK
- 0001015328
- Source: SEC · as of 2026-08-21
- Industry (SIC)
- State Commercial Banks (6022)
- Source: SEC · as of 2026-08-21
- State of incorporation
- IL
- Source: SEC · as of 2026-08-21
- Ticker
- WTFC, WTFCN
- Source: SEC · as of 2026-08-21
- Latest SEC filing
- 4 2026-08-21
- Source: SEC · as of 2026-08-21
Benefit plans
DOL Form 5500 filings (EFAST2) · records as of 2026-06-05
- Benefit plan 501, 2024 filing
- WINTRUST FINANCIAL WELFARE BENEFIT PLAN
- Source: DOL 5500 · as of 2026-06-05
- Participants (start of year)
- 5,200
- Source: DOL 5500 · as of 2026-06-05
- Plan features
- Health (other than dental or vision); Life insurance; Dental; Vision; Temporary disability; Prepaid legal
- Source: DOL 5500 · as of 2026-06-05
- Plan type
- Single-employer plan
- Source: DOL 5500 · as of 2026-06-05
- Business code (NAICS)
- 522120
- Source: DOL 5500 · as of 2026-06-05
- Benefit plan 501, 2023 filing
- WINTRUST FINANCIAL WELFARE BENEFIT PLAN
- Source: DOL 5500 · as of 2026-06-05
- Participants (start of year)
- 4,912
- Source: DOL 5500 · as of 2026-06-05
- Plan features
- Health (other than dental or vision); Life insurance; Dental; Vision; Temporary disability; Prepaid legal
- Source: DOL 5500 · as of 2026-06-05
- Plan type
- Single-employer plan
- Source: DOL 5500 · as of 2026-06-05
What this record is
Public filings that carry this EIN (DOL Form 5500 filings (EFAST2) and SEC EDGAR company filings), shown as filed. Nothing is scraped from the IRS, and a public-record match is not IRS TIN validation.
What it is not
Registry status, formation date, and registered agent come from the Illinois Secretary of State, Department of Business Services; see the Illinois business entity search.
If something is wrong
A name, address, or classification here is what the source published. To correct the source, file with it; to have this page removed, see corrections and removal.
Other Illinois businesses on file
- KNOWLES CORPORATIONEIN 90-1002689
- THE MIDDLEBY CORPORATIONEIN 36-3352497
- CF INDUSTRIES HOLDINGS, INC.EIN 20-2697511
- IDEX CORPORATIONEIN 36-3555336
- ILLINOIS BANKERS ASSOCIATIONEIN 36-3215107
- IAA HOLDINGS LLC.EIN 83-1030538
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