Who Owns VANGUARD MUN BD FDS (VWSTX)? -- Institutional Holders (2026-03-31)

2 institutions reported holding $8.2M of VANGUARD MUN BD FDS (VWSTX) in SEC 13F filings for 2026-03-31. Largest institutional holders: SIMPLEX TRADING, LLC ($7.1M), IMC-Chicago, LLC ($1.1M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1SIMPLEX TRADING, LLC$7.1M141,500Added
2IMC-Chicago, LLC$1.1M22,300New

Source: SEC Form 13F filings · as of 2026-03-31