10 institutions reported holding $11.1M of VANGUARD STAR FDS (VGSTX) in SEC 13F filings for 2026-03-31. Largest institutional holders: GROUP ONE TRADING LLC ($3.0M), IMC-Chicago, LLC ($3.0M), SIMPLEX TRADING, LLC ($2.3M), CARRET ASSET MANAGEMENT, LLC ($906,979), Dempze Nancy E ($891,868). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $3.0M | 39,300 | Added |
| 2 | IMC-Chicago, LLC | $3.0M | 38,700 | Added |
| 3 | SIMPLEX TRADING, LLC | $2.3M | 29,500 | Added |
| 4 | CARRET ASSET MANAGEMENT, LLC | $906,979 | 31,802 | Trimmed |
| 5 | Dempze Nancy E | $891,868 | 31,272 | Hold |
| 6 | NEVILLE RODIE & SHAW INC | $660,000 | 23,135 | Hold |
| 7 | NORTHSTAR ASSET MANAGEMENT Co | $298,633 | 10,471 | Hold |
| 8 | McIlrath & Eck, LLC | $37,237 | 1,306 | New |
| 9 | RHL GROUP, LLC | $849 | 11 | New |
| 10 | Garton & Associates Financial Advisors LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31