Soluna Holdings, Inc
SLNH- Exchange
- Nasdaq
- Industry
- Finance Services
- SEC CIK
- 0000064463
In the last 90 days, Soluna Holdings, Inc insiders filed 3 open-market purchases and 8 sales; 101 institutions reported holding it in 13F filings for Q2 2026, worth $68.5M in total; no superinvestor holds it.
Other share classesSLNHP
Q1 2026 vs. Q4 2025
How the institutions holding Soluna Holdings, Inc changed between Q4 2025 and Q1 2026.
All holders in Q1 2026All holders in Q4 2025
| Measure | Q4 2025 | Of which not filed for Q1 2026 | Q1 2026 | Change |
|---|---|---|---|---|
| Holders | 45 | 1 | 44 | 0 |
| Shares | 12.3M | 954.9K | 10.3M | −1.09M (−9.6%) |
| Value | $14.4M | $1.12M | $7.33M | −$5.99M (−45.0%) |
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.
New holders (11)
Institutions that held Soluna Holdings, Inc at the end of Q1 2026 but not at the end of Q4 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Vanguard Capital Management LLC | 626,854 | $443.2K | 0.00% |
| Yorkville Advisors Global, LP | 335,976 | $237.5K | 0.16% |
| Vanguard Fiduciary Trust Co | 293,590 | $207.6K | 0.00% |
| We Are One Seven, LLC | 121,504 | $85.9K | 0.00% |
| Invesco Ltd. | 116,964 | $82.7K | 0.00% |
| HRT Financial LP | 80,755 | $57.0K | 0.00% |
| Two Sigma Securities, LLC | 64,324 | $45.5K | 0.01% |
| JPMorgan Chase & Co | 68,841 | $41.8K | 0.00% |
| Vanguard Global Advisers, LLC | 34,476 | $24.4K | 0.00% |
| Asset Dedication, LLC | 200 | $142 | 0.00% |
| Timmons Wealth Management, LLC | 195 | $138 | 0.00% |
Sold out (11)
Institutions that held Soluna Holdings, Inc at the end of Q4 2025 and filed for Q1 2026 without it.
| Institution | Shares, Q4 2025 | Value, Q4 2025 |
|---|---|---|
| Heights Capital Management, Inc | 2,043,964 | $2.39M |
| Ardsley Advisory Partners LP | 1,725,000 | $2.02M |
| Jane Street Group, LLC | 665,649 | $778.8K |
| Quadrature Capital Ltd | 170,733 | $199.8K |
| Raymond James Financial Inc | 58,010 | $67.9K |
| Squarepoint Ops LLC | 25,884 | $30.3K |
| Millennium Management LLC | 24,875 | $29.1K |
| Schonfeld Strategic Advisors LLC | 18,208 | $21.3K |
| Sullivan Wood Capital Management LLC | 15,000 | $17.6K |
| Jefferies Financial Group Inc. | 12,673 | $14.8K |
| Janney Montgomery Scott LLC | 10,000 | $12.0K |
Not filed for Q1 2026 yet (1)
Institutions that held Soluna Holdings, Inc at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q4 2025 | Value, Q4 2025 |
|---|---|---|
| Vanguard Group Inc | 954,920 | $1.12M |