Expion360 Inc. (XPON) Ownership
XPON ownership summary
as of October 17, 2026- Institutions
- 5.8% of shares outstanding
- Insiders
- 37.26% of shares outstanding
- Shares outstanding
- 1.0M
- Float
- 688K shares available to trade
- Short interest
- 6.26% 61K shares short
- Days to cover
- 0.43 short interest down 63.0% vs prior month
- Institutions 5.77%
- Insiders 37.26%
- Other investors 56.97%
XPON top institutional holders
15 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard Capital Management, LLC | 1.06% | 128K | $494,171 | +96,776 (+306.4%) | June 30, 2026 |
| 2 | Geode Capital Management, LLC | 0.62% | 75K | $288,954 | −86,999 (−53.7%) | June 30, 2026 |
| 3 | Vanguard Fiduciary Trust Co | 0.44% | 53K | $205,467 | — | June 30, 2026 |
| 4 | StoneX Group Inc | 0.12% | 15K | $57,534 | −2,528 (−14.5%) | June 30, 2026 |
| 5 | UBS Group AG | 0.07% | 8,764 | $33,741 | −4,009 (−31.4%) | June 30, 2026 |
| 6 | Tower Research Capital LLC | 0.05% | 5,694 | $21,922 | −1 (−0.0%) | June 30, 2026 |
| 7 | SBI Securities Co Ltd | <0.01% | 7 | $27 | +3 (+75.0%) | June 30, 2026 |
| 8 | Copia Wealth Management | 0.00% | 5 | $19 | — | June 30, 2026 |
| 9 | Jane Street Group LLC | 0.00% | — | — | −24,207 (−100.0%) | March 31, 2026 |
| 10 | Citigroup Inc | 0.00% | — | — | −589 (−100.0%) | March 31, 2026 |
| 11 | Citadel Advisors Llc | 0.00% | — | — | −31,426 (−100.0%) | March 31, 2026 |
| 12 | Apollon Wealth Management, LLC | 0.00% | — | — | −43,228 (−100.0%) | March 31, 2026 |
| 13 | Virtu Financial LLC | 0.00% | — | — | −23,117 (−100.0%) | June 30, 2026 |
| 14 | XTX Topco Ltd | 0.00% | — | — | −19,278 (−100.0%) | March 31, 2026 |
| 15 | Bank of America Corp | 0.00% | — | — | −83 (−100.0%) | March 31, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 15, 2 holders added 97K shares and 11 cut 235K.
XPON top mutual fund and ETF holders
2 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Fidelity Extended Market Index | 0.51% | 5,140 | $19,789 | — | August 31, 2026 |
| 2 | Fidelity Series Total Market Index | 0.06% | 652 | $2,510 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
XPON insider transactions
latest 4| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2024-06-05 | John Henry Yozamp | Sell | $157.00 | 297 | $46,629 |
| 2024-01-16 | John Henry Yozamp | Sell | $472.00 | 230 | $108,560 |
| 2023-12-18 | John Henry Yozamp | Sell | $460.00 | 230 | $105,800 |
| 2023-11-16 | John Henry Yozamp | Sell | $392.00 | 230 | $90,160 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
XPON shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns XPON
Institutional investors own 5.8% of Expion360's shares and insiders 37.26%. The largest holder is Vanguard Capital Management, LLC with 1.06% of the shares (128K), as of June 30, 2026. Among the top 15 institutions, 2 added shares and 11 reduced their stake in the latest filings. Short interest is 6.26% of the float, or 0.43 days of average trading volume. The share count rose 14,994.4% since 2020.
Related: XPON analyst forecast, XPON key metrics. See the XPON stock overview for the latest quote and news.
XPON ownership FAQ
Who owns the most Expion360 stock?
The largest shareholders of Expion360 are Vanguard Capital Management, LLC (1.06%), Geode Capital Management, LLC (0.62%), Vanguard Fiduciary Trust Co (0.44%), StoneX Group Inc (0.12%), UBS Group AG (0.07%).
What percentage of Expion360 is owned by institutions?
Institutions hold 5.8% of Expion360's shares outstanding; insiders hold 37.26%.
Which funds own Expion360?
The largest fund holders of Expion360 are Fidelity Extended Market Index (0.51%), Fidelity Series Total Market Index (0.06%).
What is Expion360's short interest?
61K shares of Expion360 were sold short, 6.26% of the float; at the average daily volume it would take 0.43 days to cover.
Are insiders buying or selling Expion360?
Of the latest 4 reported insider transactions in Expion360 (since November 16, 2023), 0 were purchases and 4 were sales.
How many shares of Expion360 are outstanding?
Expion360 has 1.0M shares outstanding, of which 688K are in the public float.