Jupiter Neurosciences, Inc. (JUNS) Ownership
JUNS ownership summary
as of October 18, 2026- Institutions
- 2.2% of shares outstanding
- Insiders
- 29.96% of shares outstanding
- Shares outstanding
- 1.3M
- Float
- 564K shares available to trade
- Short interest
- 3.12% 35K shares short
- Days to cover
- 0.55 short interest down 32.5% vs prior month
- Institutions 2.25%
- Insiders 29.96%
- Other investors 67.79%
JUNS top institutional holders
17 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Virtu Financial LLC | 0.23% | 231K | $671,752 | +217,665 (+1,603.4%) | June 30, 2026 |
| 2 | Geode Capital Management, LLC | 0.16% | 156K | $453,549 | −55,569 (−26.2%) | June 30, 2026 |
| 3 | Vanguard Capital Management, LLC | 0.13% | 128K | $371,962 | −231,869 (−64.4%) | June 30, 2026 |
| 4 | Vanguard Fiduciary Trust Co | 0.09% | 84K | $244,523 | −3,616 (−4.1%) | June 30, 2026 |
| 5 | Northern Trust Corp | 0.03% | 25K | $73,630 | — | June 30, 2026 |
| 6 | Vestor Capital Partners | <0.01% | 2,193 | $6,371 | −968,792 (−99.8%) | June 30, 2026 |
| 7 | Midfirst Bank | <0.01% | 1,000 | $2,905 | — | June 30, 2026 |
| 8 | Citigroup Inc | <0.01% | 546 | $1,586 | +546 (0.0%) | June 30, 2026 |
| 9 | Susquehanna International Group, LLP | 0.00% | — | — | −29,274 (−100.0%) | March 31, 2026 |
| 10 | Acadian Asset Management LLC | 0.00% | — | — | −3,000 (−100.0%) | March 31, 2026 |
| 11 | Yorkville Advisors Global, LP | 0.00% | — | — | −129,000 (−100.0%) | June 30, 2026 |
| 12 | Jane Street Group LLC | 0.00% | — | — | −14,457 (−100.0%) | March 31, 2026 |
| 13 | Citadel Advisors Llc | 0.00% | — | — | −101,661 (−100.0%) | June 30, 2026 |
| 14 | UBS Group AG | 0.00% | — | — | −3,928 (−100.0%) | June 30, 2026 |
| 15 | Allen Capital Group, LLC | 0.00% | — | — | −30,000 (−100.0%) | March 31, 2026 |
| 16 | XTX Topco Ltd | 0.00% | — | — | −21,500 (−100.0%) | March 31, 2026 |
| 17 | Bank of America Corp | 0.00% | — | — | −142 (−100.0%) | March 31, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 17, 2 holders added 218K shares and 13 cut 1.6M.
JUNS top mutual fund and ETF holders
3 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Fidelity Extended Market Index | 0.09% | 1,130 | $3,283 | — | August 31, 2026 |
| 2 | Fidelity Series Total Market Index | 0.02% | 239 | $694 | −1 (−0.4%) | August 31, 2026 |
| 3 | Fidelity Total Market Index | 0.02% | 214 | $622 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
JUNS insider transactions
latest 3| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-07-01 | Alison D Silva | Buy | $1.03 | 750 | $772 |
| 2025-06-30 | Alison D Silva | Buy | $1.03 | 950 | $978 |
| 2025-06-27 | Alison D Silva | Buy | $1.03 | 850 | $876 |
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.
JUNS shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns JUNS
Institutional investors own 2.2% of Jupiter Neurosciences's shares and insiders 29.96%. The largest holder is Virtu Financial LLC with 0.23% of the shares (231K), as of June 30, 2026. Among the top 17 institutions, 2 added shares and 13 reduced their stake in the latest filings. Short interest is 3.12% of the float, or 0.55 days of average trading volume. The share count rose 288.3% since 2020.
Related: JUNS analyst forecast, JUNS key metrics. See the JUNS stock overview for the latest quote and news.
JUNS ownership FAQ
Who owns the most Jupiter Neurosciences stock?
The largest shareholders of Jupiter Neurosciences are Virtu Financial LLC (0.23%), Geode Capital Management, LLC (0.16%), Vanguard Capital Management, LLC (0.13%), Vanguard Fiduciary Trust Co (0.09%), Northern Trust Corp (0.03%).
What percentage of Jupiter Neurosciences is owned by institutions?
Institutions hold 2.2% of Jupiter Neurosciences's shares outstanding; insiders hold 29.96%.
Which funds own Jupiter Neurosciences?
The largest fund holders of Jupiter Neurosciences are Fidelity Extended Market Index (0.09%), Fidelity Series Total Market Index (0.02%), Fidelity Total Market Index (0.02%).
What is Jupiter Neurosciences's short interest?
35K shares of Jupiter Neurosciences were sold short, 3.12% of the float; at the average daily volume it would take 0.55 days to cover.
Are insiders buying or selling Jupiter Neurosciences?
Of the latest 3 reported insider transactions in Jupiter Neurosciences (since June 27, 2025), 3 were purchases and 0 were sales.
How many shares of Jupiter Neurosciences are outstanding?
Jupiter Neurosciences has 1.3M shares outstanding, of which 564K are in the public float.