2 institutions reported holding $221,012 of VANGUARD MALVERN FDS (VUVLX) in SEC 13F filings for 2026-06-30. Largest institutional holders: SIMPLEX TRADING, LLC ($185,851), GROUP ONE TRADING LLC ($35,161). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $185,851 | 3,700 | New |
| 2 | GROUP ONE TRADING LLC | $35,161 | 700 | New |
Source: SEC Form 13F filings · as of 2026-06-30