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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

13F holders, Q1 2026

Institutional positions in Soluna Holdings, Inc as of Mar 31, 2026. 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
44
0 vs. Q4 2025
Shares held
10.3M
−1.09M (−9.6%) vs. Q4 2025
Total value
$7.33M
−$5.99M (−45.0%) vs. Q4 2025
New holders
11
15 more added
Sold out
11
9 more reduced

1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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.

Institutional holdersQ1 2026: 44 institutions
Q1 2021: 1 institutionQ2 2021: 16 institutionsQ3 2021: 15 institutionsQ4 2021: 18 institutionsQ1 2022: 25 institutionsQ2 2022: 25 institutionsQ3 2022: 25 institutionsQ4 2022: 25 institutionsQ1 2023: 20 institutionsQ2 2023: 19 institutionsQ3 2023: 19 institutionsQ4 2023: 12 institutionsQ1 2024: 13 institutionsQ2 2024: 15 institutionsQ3 2024: 23 institutionsQ4 2024: 24 institutionsQ1 2025: 20 institutionsQ2 2025: 20 institutionsQ3 2025: 35 institutionsQ4 2025: 45 institutionsQ1 2026: 44 institutionsQ2 2026: 101 institutions
Value heldQ1 2026: $7.33M
Q1 2021: $0Q2 2021: $4.10MQ3 2021: $5.64MQ4 2021: $8.94MQ1 2022: $10.7MQ2 2022: $3.58MQ3 2022: $1.63MQ4 2022: $275.2KQ1 2023: $211.1KQ2 2023: $189.0KQ3 2023: $148.3KQ4 2023: $246.3KQ1 2024: $191.2KQ2 2024: $403.8KQ3 2024: $1.07MQ4 2024: $833.7KQ1 2025: $395.6KQ2 2025: $305.3KQ3 2025: $8.29MQ4 2025: $14.4MQ1 2026: $7.33MQ2 2026: $68.5M
Institutions holding SLNH and their total value by quarter
QuarterHoldersValue
Q2 2026101$68.5M
Q1 202644$7.33M
Q4 202545$14.4M
Q3 202535$8.29M
Q2 202520$305.3K
Q1 202520$395.6K
Q4 202424$833.7K
Q3 202423$1.07M
Q2 202415$403.8K
Q1 202413$191.2K
Q4 202312$246.3K
Q3 202319$148.3K
Q2 202319$189.0K
Q1 202320$211.1K
Q4 202225$275.2K
Q3 202225$1.63M
Q2 202225$3.58M
Q1 202225$10.7M
Q4 202118$8.94M
Q3 202115$5.64M
Q2 202116$4.10M
Q1 20211$0

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Soluna Holdings, Inc; share changes are against Q4 2025.

Institutions holding SLNH in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Geode Capital Management, LLC2,685,438$1.90M0.00%+795,905+42.1%Added
UBS Group AG890,303$629.4K0.00%−212,882−19.3%Reduced
Renaissance Technologies LLC835,277$590.4K0.00%+579,335+226.4%Added
Mirae Asset Global ETFs Holdings Ltd.796,652$563.1K0.00%+105,338+15.2%Added
BlackRock, Inc.784,988$554.8K0.00%+268,479+52.0%Added
Vanguard Capital Management LLC626,854$443.2K0.00%+626,854New
Marshall Wace, LLP587,033$416.8K0.00%+354,433+152.4%Added
Diametric Capital, LP442,942$313.1K0.08%+186,995+73.1%Added
Intrinsic Edge Capital Management LLC350,000$247.4K0.05%+80,000+29.6%Added
Yorkville Advisors Global, LP335,976$237.5K0.16%+335,976New
Vanguard Fiduciary Trust Co293,590$207.6K0.00%+293,590New
State Street Corp292,676$206.9K0.00%+104,300+55.4%Added
Goldman Sachs Group Inc140,073$99.0K0.00%+123,233+731.8%Added
Fiduciary Alliance LLC89,932$94.4K0.01%+2,087+2.4%Added
We Are One Seven, LLC121,504$85.9K0.00%+121,504New
Invesco Ltd.116,964$82.7K0.00%+116,964New
Omers Administration Corp107,100$75.7K0.00%+38,100+55.2%Added
Northern Trust Corp102,915$72.7K0.00%00.0%Unchanged
XTX Topco Ltd86,689$61.3K0.00%−41,605−32.4%Reduced
HRT Financial LP80,755$57.0K0.00%+80,755New
Meramec Financial Planners, LLC38,659$54.1K0.02%00.0%Unchanged
Prelude Capital Management, LLC67,413$47.6K0.00%−11,904−15.0%Reduced
Vident Advisory, LLC66,403$47.1K0.00%+9,293+16.3%Added
Two Sigma Securities, LLC64,324$45.5K0.01%+64,324New
JPMorgan Chase & Co68,841$41.8K0.00%+68,841New
Proficio Capital Partners LLC37,000$26.2K0.00%00.0%Unchanged
Vanguard Global Advisers, LLC34,476$24.4K0.00%+34,476New
Matauro, LLC33,681$23.8K0.00%+9,973+42.1%Added
Arcadia Wealth Management, Inc.24,300$17.2K0.01%00.0%Unchanged
Azora Capital LP23,934$16.9K0.00%−5,435−18.5%Reduced
Bank of America Corp20,622$14.6K0.00%+20,112+3,943.5%Added
LPL Financial LLC17,831$12.6K0.00%−596−3.2%Reduced
Citigroup Inc12,307$8.70K0.00%−54,828−81.7%Reduced
SBI Securities Co., Ltd.11,027$7.79K0.00%+2,039+22.7%Added
Morgan Stanley3,673$2.60K0.00%−224,645−98.4%Reduced
Allworth Financial LP1,600$1.13K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec1,500$1.06K0.00%00.0%Unchanged
Quantbot Technologies LP1,382$9770.00%−193,731−99.3%Reduced
Asset Dedication, LLC200$1420.00%+200New
Timmons Wealth Management, LLC195$1380.00%+195New
Advisor Group Holdings, Inc.165$1160.00%−1−0.6%Reduced
Graney & King, LLC42$290.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC21$150.00%00.0%Unchanged
Covestor Ltd429$00.00%00.0%Unchanged
Heights Capital Management, Inc0$00.00%−2,043,964−100.0%Sold out
Ardsley Advisory Partners LP0$00.00%−1,725,000−100.0%Sold out
Jane Street Group, LLC0$00.00%−665,649−100.0%Sold out
Quadrature Capital Ltd0$00.00%−170,733−100.0%Sold out
Raymond James Financial Inc0$00.00%−58,010−100.0%Sold out
Squarepoint Ops LLC0$00.00%−25,884−100.0%Sold out
Millennium Management LLC0$00.00%−24,875−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−18,208−100.0%Sold out
Sullivan Wood Capital Management LLC0$00.00%−15,000−100.0%Sold out
Jefferies Financial Group Inc.0$00.00%−12,673−100.0%Sold out
Janney Montgomery Scott LLC0$00.00%−10,000−100.0%Sold out
Vanguard Group Inc––––Not filed