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
13F holders, Q3 2025
Institutional positions in Soluna Holdings, Inc as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 35
- +15 vs. Q2 2025
- Shares held
- 3.53M
- +3.00M (+565.0%) vs. Q2 2025
- Total value
- $8.29M
- +$7.99M (+2,616.1%) vs. Q2 2025
- New holders
- 20
- 9 more added
- Sold out
- 5
- 3 more reduced
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SLNH on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 101 | $68.5M |
| Q1 2026 | 44 | $7.33M |
| Q4 2025 | 45 | $14.4M |
| Q3 2025 | 35 | $8.29M |
| Q2 2025 | 20 | $305.3K |
| Q1 2025 | 20 | $395.6K |
| Q4 2024 | 24 | $833.7K |
| Q3 2024 | 23 | $1.07M |
| Q2 2024 | 15 | $403.8K |
| Q1 2024 | 13 | $191.2K |
| Q4 2023 | 12 | $246.3K |
| Q3 2023 | 19 | $148.3K |
| Q2 2023 | 19 | $189.0K |
| Q1 2023 | 20 | $211.1K |
| Q4 2022 | 25 | $275.2K |
| Q3 2022 | 25 | $1.63M |
| Q2 2022 | 25 | $3.58M |
| Q1 2022 | 25 | $10.7M |
| Q4 2021 | 18 | $8.94M |
| Q3 2021 | 15 | $5.64M |
| Q2 2021 | 16 | $4.10M |
| Q1 2021 | 1 | $0 |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Soluna Holdings, Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Steward Partners Investment Advisory, LLC | 21 | $49 | 0.00% | +21 | New |
| Graney & King, LLC | 42 | $99 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 161 | $405 | 0.00% | +1+0.6% | Added |
| Morgan Stanley | 204 | $479 | 0.00% | +3+1.5% | Added |
| Bank of America Corp | 214 | $503 | 0.00% | +121+130.1% | Added |
| Covestor Ltd | 429 | $1.00K | 0.00% | 00.0% | Unchanged |
| Valley National Advisers Inc | 500 | $1.00K | 0.00% | +500 | New |
| Cubist Systematic Strategies, LLC | 891 | $2.09K | 0.00% | +891 | New |
| Federation des caisses Desjardins du Quebec | 1,502 | $3.53K | 0.00% | +1,500+75,000.0% | Added |
| BlackRock, Inc. | 1,970 | $4.63K | 0.00% | −58−2.9% | Reduced |
| NVWM, LLC | 2,500 | $5.88K | 0.00% | +2,500 | New |
| Allworth Financial LP | 3,200 | $7.52K | 0.00% | +3,200 | New |
| FNY Investment Advisers, LLC | 7,000 | $16.0K | 0.01% | +7,000 | New |
| Janney Montgomery Scott LLC | 10,000 | $24.0K | 0.00% | +10,000 | New |
| Colony Group, LLC | 10,720 | $25.2K | 0.00% | +10,720 | New |
| Scientech Research LLC | 13,309 | $31.3K | 0.01% | +13,309 | New |
| Tower Research Capital LLC (TRC) | 13,310 | $31.3K | 0.00% | +13,310 | New |
| SBI Securities Co., Ltd. | 13,393 | $31.5K | 0.00% | −51,373−79.3% | Reduced |
| Azora Capital LP | 14,856 | $34.9K | 0.00% | +14,856 | New |
| Stifel Financial Corp | 18,000 | $42.3K | 0.00% | +18,000 | New |
| Citigroup Inc | 18,809 | $44.2K | 0.00% | +18,809 | New |
| Arcadia Wealth Management, Inc. | 19,800 | $46.5K | 0.03% | 00.0% | Unchanged |
| LPL Financial LLC | 20,778 | $48.8K | 0.00% | +20,778 | New |
| UBS Group AG | 32,302 | $75.9K | 0.00% | −37,445−53.7% | Reduced |
| ExodusPoint Capital Management, LP | 34,446 | $80.9K | 0.00% | +34,446 | New |
| Fiduciary Alliance LLC | 38,000 | $89.3K | 0.01% | +38,000 | New |
| Northern Trust Corp | 43,466 | $102.1K | 0.00% | +32,753+305.7% | Added |
| Jane Street Group, LLC | 61,109 | $143.6K | 0.00% | +32,366+112.6% | Added |
| XTX Topco Ltd | 80,513 | $189.2K | 0.01% | +80,513 | New |
| State Street Corp | 98,794 | $232.2K | 0.00% | +87,200+752.1% | Added |
| Millennium Management LLC | 200,279 | $470.7K | 0.00% | +200,279 | New |
| Geode Capital Management, LLC | 220,732 | $518.7K | 0.00% | +132,079+149.0% | Added |
| Vanguard Group Inc | 335,276 | $787.9K | 0.00% | +294,516+722.6% | Added |
| HRT Financial LP | 711,967 | $1.67M | 0.01% | +711,967 | New |
| Point72 Asset Management, L.P. | 1,500,000 | $3.52M | 0.01% | +1,500,000 | New |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −150,691−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −22,762−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −10,224−100.0% | Sold out |
| Mount Yale Investment Advisors, LLC | 0 | $0 | 0.00% | −9,222−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −4−100.0% | Sold out |