Soluna HoldingsSLNH
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 45 institutions reported holding Soluna Holdings Inc. (SLNH) in their 13F filings, up 10 from Q3 2025. 20 opened new positions and 10 sold out. The largest holders were Heights Capital Management, Inc. ($2.4M), Geode Capital Management, LLC ($2.2M) and Ardsley Advisory Partners LP ($2.0M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Soluna Holdings Inc.
- CUSIP
- 583543301
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 20 | $7.3M |
| Exits | 10 | $5.4M |
All 13F filers, Q3 2025 → Q4 2025: 11,274,181 shares bought and 2,495,514 shares sold, net +8,778,667 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 45 holders
| Heights Capital Management, Inc. | 0.91% | New | 2,043,964 | $2.4M |
| Geode Capital Management, LLC | 0.00% | Add +756.0% | 1,889,533 | $2.2M |
| Ardsley Advisory Partners LP | 0.26% | New | 1,725,000 | $2.0M |
| UBS Group AG | 0.00% | Add +3315.2% | 1,103,185 | $1.3M |
| Vanguard Group Inc. | 0.00% | Add +184.8% | 954,920 | $1.1M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | New | 691,314 | $809K |
| Jane Street Group, LLC | 0.00% | Add +989.3% | 665,649 | $779K |
| BlackRock, Inc. | 0.00% | Add +26118.7% | 516,509 | $604K |
| Intrinsic Edge Capital Management LLC | 0.06% | New | 270,000 | $316K |
| Diametric Capital, LP | 0.08% | New | 255,947 | $299K |
| Renaissance Technologies | 0.00% | New | 255,942 | $299K |
| Marshall Wace, LLP | 0.00% | New | 232,600 | $272K |
| Morgan Stanley | 0.00% | Add +111820.6% | 228,318 | $267K |
| Quantbot Technologies LP | 0.01% | New | 195,113 | $228K |
| State Street Corp. | 0.00% | Add +90.7% | 188,376 | $220K |
| Quadrature Capital Ltd | 0.00% | New | 170,733 | $200K |
| XTX Topco Ltd | 0.00% | Add +59.4% | 128,294 | $150K |
| Northern Trust Corp. | 0.00% | Add +136.8% | 102,915 | $120K |
| Fiduciary Alliance LLC | 0.01% | Add +131.2% | 87,845 | $103K |
| Prelude Capital Management, LLC | 0.01% | New | 79,317 | $93K |
| OMERS ADMINISTRATION Corp | 0.00% | New | 69,000 | $81K |
| Citigroup Inc. | 0.00% | Add +256.9% | 67,135 | $79K |
| Raymond James Financial Inc. | 0.00% | New | 58,010 | $68K |
| Vident Advisory, LLC | 0.00% | New | 57,110 | $67K |
| Proficio Capital Partners LLC | 0.00% | New | 37,000 | $43K |
| Meramec Financial Planners, LLC | 0.02% | — | 38,659 | $39K |
| Azora Capital LP | 0.00% | Add +97.7% | 29,369 | $34K |
| Squarepoint Ops LLC | 0.00% | New | 25,884 | $30K |
| Millennium Management | 0.00% | Reduce -87.6% | 24,875 | $29K |
| Arcadia Wealth Management, Inc. | 0.02% | Add +22.7% | 24,300 | $28K |
| Matauro, LLC | 0.00% | New | 23,708 | $28K |
| LPL Financial LLC | 0.00% | Reduce -11.3% | 18,427 | $22K |
| Schonfeld Strategic Advisors LLC | 0.00% | New | 18,208 | $21K |
| Goldman Sachs Group Inc. | 0.00% | New | 16,840 | $20K |
| Sullivan Wood Capital Management LLC | 0.03% | New | 15,000 | $18K |
| Jefferies Financial Group Inc. | 0.00% | New | 12,673 | $15K |
| Janney Montgomery Scott LLC | 0.00% | No change | 10,000 | $12K |
| SBI Securities Co., Ltd. | 0.00% | Reduce -32.9% | 8,988 | $11K |
| Allworth Financial LP | 0.00% | Reduce -50.0% | 1,600 | $2K |
| Federation des caisses Desjardins du Quebec | 0.00% | Reduce -0.1% | 1,500 | $2K |
| Covestor Ltd | 0.00% | No change | 429 | $1K |
| Bank of America Corp. | 0.00% | Add +138.3% | 510 | $596 |
| Osaic Holdings, Inc. | 0.00% | Add +3.1% | 166 | $193 |
| Graney & King, LLC | 0.00% | No change | 42 | $49 |
| Steward Partners Investment Advisory, LLC | 0.00% | No change | 21 | $25 |
"% of holder's portfolio" is SLNH's weight in each manager's 13F, not the share of Soluna Holdings Inc. the manager owns.