Companies / Soluna Holdings, Inc
Soluna Holdings, Inc
Nasdaq: SLNHSLNHPCIK 64463ALBANY, NY
Financials · FY2025
Ownership
157.7M shares outstanding · as of May 12, 2026
Ownership
| Insiders | 16.25% | 25,629,224 |
| 10%+ / strategic | 5.81% | 9,168,000 |
| Institutions | 15.09% | 23,811,682 |
| Public float | 62.85% | 99,138,448 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 6
View all →| Insider | % of shares | Shares |
|---|---|---|
Toporek MichaelDirector | 10.86% | 17,132,816 |
Phelan William PDirector | 1.45% | 2,292,022 |
Michaels David CDirector | 1.29% | 2,029,343 |
Marusak Thomas JDirector | 1.27% | 1,998,596 |
Picchi MichaelChief Financial Officer | 0.88% | 1,381,250 |
Thomas Jessica L.Chief Accounting Officer | 0.50% | 795,197 |
Institutional holders 50
View all →| Holder | Value | % of shares |
|---|---|---|
| $11.25M | 5.28% | |
| $2.46M | 1.16% | |
| $2.39M | 1.30% | |
| $2.02M | 1.09% | |
| $1.90M | 1.70% | |
| $1.29M | 0.70% | |
| $1.12M | 0.61% | |
| $808.8K | 0.44% | |
| $778.8K | 0.42% | |
| $590.4K | 0.53% |
Activity
Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q2 2026 as of | BlackRock, Inc. 13F manager | Add | — | $10.55M | +7.8M +1512.80% | 8,330,254 5.28% of shares | medium |
| Q1 2026 as of | Heights Capital Management, Inc 13F manager | Exit | — | $-2.39M | -2.0M -100.00% | — | low |
| Q2 2026 as of | State Street Corporation 13F manager | Add | — | $2.21M | +1.6M +868.55% | 1,824,507 1.16% of shares | low |
| Q1 2026 as of | Geode Capital Management, LLC 13F manager | Add | — | $562.6K | +796K +42.12% | 2,685,438 1.70% of shares | low |
| Q1 2026 as of | Renaissance Technologies LLC 13F manager | Add | — | $409.5K | +579K +226.35% | 835,277 0.53% of shares | low |
| Q1 2026 as of | Marshall Wace, LLP 13F manager | Add | — | $251.6K | +354K +152.38% | 587,033 0.37% of shares | low |
| Q2 2026 as of | Quadrature Capital Ltd 13F manager | Exit | — | $-199.8K | -171K -100.00% | — | low |
| Q2 2026 as of | LPL Financial LLC 13F manager | Add | — | $152.3K | +113K +612.23% | 131,242 0.08% of shares | low |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Bugbee Robert L | Passive13G | — |
| Bugbee Robert L | Passive13G | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| SLNH | — | 583543301 |