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, Q2 2025
Institutional positions in Soluna Holdings, Inc as of Jun 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
- 20
- 0 vs. Q1 2025
- Shares held
- 530.6K
- −89.6K (−14.5%) vs. Q1 2025
- Total value
- $305.3K
- −$90.3K (−22.8%) vs. Q1 2025
- New holders
- 5
- 3 more added
- Sold out
- 5
- 2 more reduced
Compare with Q1 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 | $192.3K |
| Q4 2023 | 12 | $247.1K |
| Q3 2023 | 19 | $148.3K |
| Q2 2023 | 19 | $189.0K |
| Q1 2023 | 20 | $211.1K |
| Q4 2022 | 25 | $319.2K |
| Q3 2022 | 25 | $1.67M |
| 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, Q2 2025
Shares, value and share of portfolio for each institution holding Soluna Holdings, Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Citadel Advisors LLC | 150,691 | $86.8K | 0.00% | +150,691 | New |
| Geode Capital Management, LLC | 88,653 | $51.1K | 0.00% | −9,173−9.4% | Reduced |
| UBS Group AG | 69,747 | $40.2K | 0.00% | −287,272−80.5% | Reduced |
| SBI Securities Co., Ltd. | 64,766 | $37.3K | 0.00% | +35,167+118.8% | Added |
| Vanguard Group Inc | 40,760 | $23.5K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 28,743 | $16.6K | 0.00% | +28,743 | New |
| Virtu Financial LLC | 22,762 | $13.0K | 0.00% | +9,764+75.1% | Added |
| Arcadia Wealth Management, Inc. | 19,800 | $11.4K | 0.01% | 00.0% | Unchanged |
| State Street Corp | 11,594 | $6.68K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 10,713 | $6.17K | 0.00% | 00.0% | Unchanged |
| R Squared Ltd | 10,224 | $5.89K | 0.00% | +10,224 | New |
| Mount Yale Investment Advisors, LLC | 9,222 | $5.31K | 0.00% | +9,222 | New |
| BlackRock, Inc. | 2,028 | $1.17K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 201 | $116 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 160 | $91 | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 93 | $54 | 0.00% | +8+9.4% | Added |
| Graney & King, LLC | 42 | $24 | 0.00% | 00.0% | Unchanged |
| Raymond James Financial Inc | 4 | $2 | 0.00% | +4 | New |
| Federation des caisses Desjardins du Quebec | 2 | $1 | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 429 | $0 | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 0 | $0 | 0.00% | −19,496−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −13,515−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Peoples Bank | 0 | $0 | 0.00% | −1−100.0% | Sold out |