Aclarion, Inc. (ACON) Ownership
ACON ownership summary
as of October 17, 2026- Institutions
- 4.0% of shares outstanding
- Insiders
- 23.98% of shares outstanding
- Shares outstanding
- 2.9M
- Float
- 2.5M shares available to trade
- Short interest
- 1.70% 49K shares short
- Days to cover
- 0.96 short interest down 35.6% vs prior month
- Institutions 4.00%
- Insiders 23.98%
- Other investors 72.02%
ACON top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Bridgeway Capital Management, LLC | 0.68% | 19K | $36,038 | +19,480 (0.0%) | June 30, 2026 |
| 2 | CapTrust Financial Advisors | 0.59% | 17K | $31,559 | +2,500 (+17.2%) | June 30, 2026 |
| 3 | Vanguard Fiduciary Trust Co | 0.56% | 16K | $29,652 | +16,028 (0.0%) | June 30, 2026 |
| 4 | Susquehanna International Group, LLP | 0.53% | 15K | $28,407 | +15,355 (0.0%) | June 30, 2026 |
| 5 | Geode Capital Management, LLC | 0.42% | 12K | $22,437 | −19,087 (−61.1%) | June 30, 2026 |
| 6 | XTX Topco Ltd | 0.38% | 11K | $20,420 | +11,038 (0.0%) | June 30, 2026 |
| 7 | Bank of Montreal | 0.35% | 10K | $18,500 | — | June 30, 2026 |
| 8 | BMO Capital Markets Corp. | 0.35% | 10K | $18,500 | — | June 30, 2026 |
| 9 | Vanguard Capital Management, LLC | 0.24% | 6,782 | $12,547 | — | June 30, 2026 |
| 10 | Advisor Group Holdings, Inc. | 0.17% | 5,000 | $9,250 | −29,945 (−85.7%) | June 30, 2026 |
| 11 | UBS Group AG | 0.07% | 1,968 | $3,641 | −7,679 (−79.6%) | June 30, 2026 |
| 12 | Barclays PLC | 0.01% | 283 | $524 | +283 (0.0%) | June 30, 2026 |
| 13 | Clear Street Group Inc | <0.01% | 103 | $191 | +100 (+3,333.3%) | June 30, 2026 |
| 14 | Wells Fargo & Co | <0.01% | 100 | $185 | +100 (0.0%) | June 30, 2026 |
| 15 | Caitong International Asset Management Co., Limited. | <0.01% | 4 | $7 | +4 (0.0%) | June 30, 2026 |
| 16 | Dauntless Investment Group, LLC | 0.00% | — | — | −5,422 (−100.0%) | June 30, 2026 |
| 17 | Tower Research Capital LLC | 0.00% | — | — | −940 (−100.0%) | March 31, 2026 |
| 18 | Citigroup Inc | 0.00% | — | — | −1 (−100.0%) | June 30, 2026 |
| 19 | Danske Bank A/S. | 0.00% | — | — | −1 (−100.0%) | June 30, 2026 |
| 20 | Bank of America Corp | 0.00% | — | — | −7 (−100.0%) | March 31, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 9 holders added 65K shares and 8 cut 63K.
ACON top mutual fund and ETF holders
3 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Bridgeway Ultra-Small Company | 0.68% | 19K | $36,038 | +19,480 (0.0%) | June 30, 2026 |
| 2 | Fidelity Extended Market Index | 0.38% | 11K | $20,516 | −60 (−0.5%) | August 31, 2026 |
| 3 | Fidelity Series Total Market Index | 0.02% | 477 | $882 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
ACON insider transactions
latest 1| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-11-26 | Brent Ness | Buy | $6.20 | 10 | $62 |
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.
ACON shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns ACON
Institutional investors own 4.0% of Aclarion's shares and insiders 23.98%. The largest holder is Bridgeway Capital Management, LLC with 0.68% of the shares (19K), as of June 30, 2026. Among the top 20 institutions, 9 added shares and 8 reduced their stake in the latest filings. Short interest is 1.70% of the float, or 0.96 days of average trading volume. The share count rose 531,900.0% since 2022.
Related: ACON analyst forecast, ACON key metrics. See the ACON stock overview for the latest quote and news.
ACON ownership FAQ
Who owns the most Aclarion stock?
The largest shareholders of Aclarion are Bridgeway Capital Management, LLC (0.68%), CapTrust Financial Advisors (0.59%), Vanguard Fiduciary Trust Co (0.56%), Susquehanna International Group, LLP (0.53%), Geode Capital Management, LLC (0.42%).
What percentage of Aclarion is owned by institutions?
Institutions hold 4.0% of Aclarion's shares outstanding; insiders hold 23.98%.
Which funds own Aclarion?
The largest fund holders of Aclarion are Bridgeway Ultra-Small Company (0.68%), Fidelity Extended Market Index (0.38%), Fidelity Series Total Market Index (0.02%).
What is Aclarion's short interest?
49K shares of Aclarion were sold short, 1.70% of the float; at the average daily volume it would take 0.96 days to cover.
Are insiders buying or selling Aclarion?
Of the latest 1 reported insider transactions in Aclarion (since November 26, 2025), 1 were purchases and 0 were sales.
How many shares of Aclarion are outstanding?
Aclarion has 2.9M shares outstanding, of which 2.5M are in the public float.