15 institutions reported holding $174,052 of Expion360 Inc (XPON) in SEC 13F filings for 2026-03-31. Largest institutional holders: GEODE CAPITAL MANAGEMENT, LLC ($92,255), VANGUARD FIDUCIARY TRUST CO ($30,366), VANGUARD CAPITAL MANAGEMENT LLC ($17,969), Virtu Financial LLC ($13,000), StoneX Group Inc. ($9,947). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GEODE CAPITAL MANAGEMENT, LLC | $92,255 | 162,052 | Added |
| 2 | VANGUARD FIDUCIARY TRUST CO | $30,366 | 53,368 | New |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $17,969 | 31,580 | New |
| 4 | Virtu Financial LLC | $13,000 | 23,117 | New |
| 5 | StoneX Group Inc. | $9,947 | 17,472 | New |
| 6 | UBS Group AG | $7,268 | 12,773 | New |
| 7 | Tower Research Capital LLC (TRC) | $3,242 | 5,695 | Trimmed |
| 8 | Copia Wealth Management | $3 | 5 | Hold |
| 9 | SBI Securities Co., Ltd. | $2 | 4 | Hold |
| 10 | CITIGROUP INC | $0 | 0 | Exited |
| 11 | BANK OF AMERICA CORP /DE/ | $0 | 0 | Exited |
| 12 | XTX Topco Ltd | $0 | 0 | Exited |
| 13 | Apollon Wealth Management, LLC | $0 | 0 | Exited |
| 14 | JANE STREET GROUP, LLC | $0 | 0 | Exited |
| 15 | CITADEL ADVISORS LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31