Nuwellis, Inc. (NUWE) Ownership
NUWE ownership summary
as of October 18, 2026- Institutions
- 2.6% of shares outstanding
- Insiders
- 4.96% of shares outstanding
- Shares outstanding
- 3.6M
- Float
- 3.5M shares available to trade
- Short interest
- 4.59% 167K shares short
- Days to cover
- 0.06 short interest up 339.6% vs prior month
- Institutions 2.59%
- Insiders 4.96%
- Other investors 92.45%
NUWE top institutional holders
13 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Sabby Management LLC | 0.45% | 16K | $9,005 | +16,372 (0.0%) | June 30, 2026 |
| 2 | UBS Group AG | 0.12% | 4,415 | $2,428 | +4,414 (+441,400.0%) | June 30, 2026 |
| 3 | Tower Research Capital LLC | <0.01% | 138 | $76 | −10 (−6.8%) | June 30, 2026 |
| 4 | Morgan Stanley - Brokerage Accounts | <0.01% | 35 | $19 | +35 (0.0%) | June 30, 2026 |
| 5 | SBI Securities Co Ltd | <0.01% | 4 | $2 | +2 (+100.0%) | June 30, 2026 |
| 6 | Ankerstar Wealth, LLC | 0.00% | — | — | — | June 30, 2026 |
| 7 | DRW Securities, LLC | 0.00% | — | — | −17,662 (−100.0%) | March 31, 2026 |
| 8 | Caitong International Asset Management Co., Limited. | 0.00% | — | — | — | June 30, 2026 |
| 9 | Citigroup Inc | 0.00% | — | — | −146 (−100.0%) | June 30, 2026 |
| 10 | Geode Capital Management, LLC | 0.00% | — | — | −1,262 (−100.0%) | June 30, 2026 |
| 11 | Armistice Capital, LLC | 0.00% | — | — | −6,748 (−100.0%) | June 30, 2026 |
| 12 | XTX Topco Ltd | 0.00% | — | — | −10,188 (−100.0%) | March 31, 2026 |
| 13 | Bank of America Corp | 0.00% | — | — | −11 (−100.0%) | March 31, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 13, 4 holders added 21K shares and 7 cut 36K.
NUWE top mutual fund and ETF holders
2 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Fidelity Extended Market Index | 0.62% | 23K | $12,495 | +22,109 (+3,630.4%) | August 31, 2026 |
| 2 | Fidelity Series Total Market Index | <0.01% | 42 | $23 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
NUWE insider transactions
latest 1| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2023-03-15 | Nestor Jr. Jaramillo | Buy | $7,041.30 | 2 | $14,083 |
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.
NUWE shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns NUWE
Institutional investors own 2.6% of Nuwellis's shares and insiders 4.96%. The largest holder is Sabby Management LLC with 0.45% of the shares (16K), as of June 30, 2026. Among the top 13 institutions, 4 added shares and 7 reduced their stake in the latest filings. Short interest is 4.59% of the float, or 0.06 days of average trading volume. The share count rose 46,000.0% since 2021.
Related: NUWE analyst forecast, NUWE key metrics. See the NUWE stock overview for the latest quote and news.
NUWE ownership FAQ
Who owns the most Nuwellis stock?
The largest shareholders of Nuwellis are Sabby Management LLC (0.45%), UBS Group AG (0.12%), Tower Research Capital LLC (<0.01%), Morgan Stanley - Brokerage Accounts (<0.01%), SBI Securities Co Ltd (<0.01%).
What percentage of Nuwellis is owned by institutions?
Institutions hold 2.6% of Nuwellis's shares outstanding; insiders hold 4.96%.
Which funds own Nuwellis?
The largest fund holders of Nuwellis are Fidelity Extended Market Index (0.62%), Fidelity Series Total Market Index (<0.01%).
What is Nuwellis's short interest?
167K shares of Nuwellis were sold short, 4.59% of the float; at the average daily volume it would take 0.06 days to cover.
Are insiders buying or selling Nuwellis?
Of the latest 1 reported insider transactions in Nuwellis (since March 15, 2023), 1 were purchases and 0 were sales.
How many shares of Nuwellis are outstanding?
Nuwellis has 3.6M shares outstanding, of which 3.5M are in the public float.