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, Q4 2025
Institutional positions in Soluna Holdings, Inc as of Dec 31, 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
- 45
- +11 vs. Q3 2025
- Shares held
- 12.3M
- +8.82M (+250.0%) vs. Q3 2025
- Total value
- $14.4M
- +$6.15M (+74.2%) vs. Q3 2025
- New holders
- 21
- 15 more added
- Sold out
- 10
- 5 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Soluna Holdings, Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Heights Capital Management, Inc | 2,043,964 | $2.39M | 0.91% | +2,043,964 | New |
| Geode Capital Management, LLC | 1,889,533 | $2.21M | 0.00% | +1,668,801+756.0% | Added |
| Ardsley Advisory Partners LP | 1,725,000 | $2.02M | 0.26% | +1,725,000 | New |
| UBS Group AG | 1,103,185 | $1.29M | 0.00% | +1,070,883+3,315.2% | Added |
| Vanguard Group Inc | 954,920 | $1.12M | 0.00% | +619,644+184.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 691,314 | $808.8K | 0.00% | +691,314 | New |
| Jane Street Group, LLC | 665,649 | $778.8K | 0.00% | +604,540+989.3% | Added |
| BlackRock, Inc. | 516,509 | $604.3K | 0.00% | +514,539+26,118.7% | Added |
| Intrinsic Edge Capital Management LLC | 270,000 | $315.9K | 0.06% | +270,000 | New |
| Diametric Capital, LP | 255,947 | $299.5K | 0.08% | +255,947 | New |
| Renaissance Technologies LLC | 255,942 | $299.5K | 0.00% | +255,942 | New |
| Marshall Wace, LLP | 232,600 | $272.1K | 0.00% | +232,600 | New |
| Morgan Stanley | 228,318 | $267.1K | 0.00% | +228,114+111,820.6% | Added |
| Quantbot Technologies LP | 195,113 | $228.3K | 0.01% | +195,113 | New |
| State Street Corp | 188,376 | $220.4K | 0.00% | +89,582+90.7% | Added |
| Quadrature Capital Ltd | 170,733 | $199.8K | 0.00% | +170,733 | New |
| XTX Topco Ltd | 128,294 | $150.1K | 0.00% | +47,781+59.3% | Added |
| Northern Trust Corp | 102,915 | $120.4K | 0.00% | +59,449+136.8% | Added |
| Fiduciary Alliance LLC | 87,845 | $102.8K | 0.01% | +49,845+131.2% | Added |
| Prelude Capital Management, LLC | 79,317 | $92.8K | 0.01% | +79,317 | New |
| Omers Administration Corp | 69,000 | $80.7K | 0.00% | +69,000 | New |
| Citigroup Inc | 67,135 | $78.5K | 0.00% | +48,326+256.9% | Added |
| Raymond James Financial Inc | 58,010 | $67.9K | 0.00% | +58,010 | New |
| Vident Advisory, LLC | 57,110 | $66.8K | 0.00% | +57,110 | New |
| Proficio Capital Partners LLC | 37,000 | $43.3K | 0.00% | +37,000 | New |
| Meramec Financial Planners, LLC | 38,659 | $39.4K | 0.02% | +38,659 | New |
| Azora Capital LP | 29,369 | $34.4K | 0.00% | +14,513+97.7% | Added |
| Squarepoint Ops LLC | 25,884 | $30.3K | 0.00% | +25,884 | New |
| Millennium Management LLC | 24,875 | $29.1K | 0.00% | −175,404−87.6% | Reduced |
| Arcadia Wealth Management, Inc. | 24,300 | $28.4K | 0.02% | +4,500+22.7% | Added |
| Matauro, LLC | 23,708 | $27.7K | 0.00% | +23,708 | New |
| LPL Financial LLC | 18,427 | $21.6K | 0.00% | −2,351−11.3% | Reduced |
| Schonfeld Strategic Advisors LLC | 18,208 | $21.3K | 0.00% | +18,208 | New |
| Goldman Sachs Group Inc | 16,840 | $19.7K | 0.00% | +16,840 | New |
| Sullivan Wood Capital Management LLC | 15,000 | $17.6K | 0.03% | +15,000 | New |
| Jefferies Financial Group Inc. | 12,673 | $14.8K | 0.00% | +12,673 | New |
| Janney Montgomery Scott LLC | 10,000 | $12.0K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 8,988 | $10.5K | 0.00% | −4,405−32.9% | Reduced |
| Allworth Financial LP | 1,600 | $1.87K | 0.00% | −1,600−50.0% | Reduced |
| Federation des caisses Desjardins du Quebec | 1,500 | $1.75K | 0.00% | −2−0.1% | Reduced |
| Covestor Ltd | 429 | $1.00K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 510 | $596 | 0.00% | +296+138.3% | Added |
| Advisor Group Holdings, Inc. | 166 | $193 | 0.00% | +5+3.1% | Added |
| Graney & King, LLC | 42 | $49 | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 21 | $25 | 0.00% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −1,500,000−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −711,967−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −34,446−100.0% | Sold out |
| Stifel Financial Corp | 0 | $0 | 0.00% | −18,000−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −13,310−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −13,309−100.0% | Sold out |
| Colony Group, LLC | 0 | $0 | 0.00% | −10,720−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −7,000−100.0% | Sold out |
| NVWM, LLC | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| Valley National Advisers Inc | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |