Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in NUWE held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | ARMISTICE CAPITAL, LLC | 236K | $248K | — | 11.383% | 0.01% |
| 2 | GEODE CAPITAL MANAGEMENT, LLC | 44K | $46K | +326.2% | 2.129% | 0.00% |
| 3 | Tower Research Capital LLC (TRC) | 5K | $5K | +160.4% | 0.250% | 0.00% |
| 4 | CITIGROUP INC | 5K | $5K | +170766.7% | 0.247% | 0.00% |
| 5 | SBI Securities Co., Ltd. | 63 | $66 | 0.0% | 0.003% | 0.00% |
| 6 | UBS Group AG | 46 | $48 | -92.0% | 0.002% | 0.00% |
| 7 | Caitong International Asset Management Co., Ltd | 4 | $4 | — | 0.000% | 0.00% |
| 8 | Ankerstar Wealth, LLC | 1 | $1 | 0.0% | 0.000% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in NUWE — a direct measure of their conviction.
Filings activity in NUWE during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new NUWE position in Q1 2026
Institutions that fully closed their NUWE position in Q1 2026
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 8 | 11% | 106.25% | +37.90 pp | $0M | +55% |
| Q4 2025 | 9 | +50% | 68.35% | +20.55 pp | $0M | +43% |
| Q3 2025 | 6 | 40% | 47.80% | +22.71 pp | $0M | +90% |
| Q2 2025 | 10 | 17% | 25.09% | 7.84 pp | $0M | 24% |
| Q1 2025 | 12 | +50% | 32.93% | +1.08 pp | $0M | +3.4% |
| Q4 2024 | 8 | +14% | 31.85% | +23.44 pp | $0M | +279% |
| Q3 2024 | 7 | +0.0% | 8.41% | 12.81 pp | $0M | 60% |
| Q2 2024 | 7 | — | 21.22% | — | $0M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying NUWE stock.
Based on Q1 2026 13F filings, institutional ownership of Nuwellis, Inc. stands at 106.3%, held across 8 reporting institutions.
ARMISTICE CAPITAL, LLC is the largest reported institutional holder of NUWE, with approximately 236,200 shares worth $0.00B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of NUWE.
Our composite Smart Money Score for NUWE is 40 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
2 institutions opened new positions in NUWE during Q1 2026, while 3 fully exited. 3 added to existing positions and 3 trimmed.
NUWE institutional ownership rose by 37.90 percentage points quarter-over-quarter, with a net change of -1 holders.
The top 10 institutions account for 100.0% of all reported 13F value in NUWE, and the top 25 account for 100.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Nuwellis, Inc. (NUWE) Institutional Ownership