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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

Q3 2025 vs. Q2 2025

How the institutions holding Soluna Holdings, Inc changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of SLNH: Q2 2025 compared with Q3 2025
MeasureQ2 2025Q3 2025Change
Holders2035+15
Shares530.6K3.53M+3.00M (+565.0%)
Value$305.3K$8.29M+$7.99M (+2,616.1%)

New holders (20)

Institutions that held Soluna Holdings, Inc at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to SLNH in Q3 2025
InstitutionSharesValue% of portfolio
Point72 Asset Management, L.P.1,500,000$3.52M0.01%
HRT Financial LP711,967$1.67M0.01%
Millennium Management LLC200,279$470.7K0.00%
XTX Topco Ltd80,513$189.2K0.01%
Fiduciary Alliance LLC38,000$89.3K0.01%
ExodusPoint Capital Management, LP34,446$80.9K0.00%
LPL Financial LLC20,778$48.8K0.00%
Citigroup Inc18,809$44.2K0.00%
Stifel Financial Corp18,000$42.3K0.00%
Azora Capital LP14,856$34.9K0.00%
Tower Research Capital LLC (TRC)13,310$31.3K0.00%
Scientech Research LLC13,309$31.3K0.01%
Colony Group, LLC10,720$25.2K0.00%
Janney Montgomery Scott LLC10,000$24.0K0.00%
FNY Investment Advisers, LLC7,000$16.0K0.01%
Allworth Financial LP3,200$7.52K0.00%
NVWM, LLC2,500$5.88K0.00%
Cubist Systematic Strategies, LLC891$2.09K0.00%
Valley National Advisers Inc500$1.00K0.00%
Steward Partners Investment Advisory, LLC21$490.00%

Sold out (5)

Institutions that held Soluna Holdings, Inc at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of SLNH in Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Citadel Advisors LLC150,691$86.8K
Virtu Financial LLC22,762$13.0K
R Squared Ltd10,224$5.89K
Mount Yale Investment Advisors, LLC9,222$5.31K
Raymond James Financial Inc4$2