Soluna Holdings

SLNH · NASDAQ

$0.577−$0.0138 (−2.34%)TodayMarket closed · Oct 20, 7:55 PM ET

Prev close $0.5908

Who owns SLNH

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 45.9% of SLNH’s shares.

Toporek (Michael M)10.5%
Bugbee (Robert L)9.5%
BlackRock Institutional Trust Company, N.A.4.8%
Belizaire (John)4.3%
Next 6 largest institutions16.8%
All other shareholders54.1%

Top institutional holders of SLNH
Holder	Shares	% of shares	Change, last filing	Filed
Toporek (Michael M)	17.13M	10.53%	+300	Aug 10, 2026
Bugbee (Robert L)	15.41M	9.48%	+2.08M	Aug 10, 2026
BlackRock Institutional Trust Company, N.A.	7.74M	4.76%	+6.95M	Jun 30, 2026
Belizaire (John)	7.06M	4.34%	+51.00K	Aug 26, 2026
Nuveen LLC	5.57M	3.42%	+5.57M	Jun 30, 2026
Vident Asset Management	5.23M	3.21%	+5.16M	Jun 30, 2026
Vident Investment Advisory, LLC	4.85M	2.98%	−354.98K	Jul 31, 2026
Vanguard Capital Management, LLC	4.66M	2.87%	+4.03M	Jun 30, 2026
Geode Capital Management, L.L.C.	3.89M	2.39%	+1.20M	Jun 30, 2026
Carver (Ryan)	3.20M	1.97%	+3.20M	Aug 1, 2026

Largest mutual fund holders

Top mutual fund holders of SLNH
Holder	Shares	% of shares	Change, last filing	Filed
CoinShares Bitcoin Mining and Digital Power ETF	4.31M	2.65%	−433.83K	Aug 31, 2026
Vanguard Total Stock Market Index Fund	3.77M	2.32%	+0	Jul 31, 2026
Nuveen Quant Small-Cap Equity Fund	3.31M	2.03%	+3.31M	Jun 30, 2026
iShares Russell 2000 ETF	3.03M	1.86%	−13.20K	Jul 31, 2026
Fidelity Crypto Industry and Digital Payments ETF	1.54M	0.95%	+0	Aug 31, 2026

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders bought $280.20K (5 trades) and sold $1.09M (22 trades) of SLNH on the open market.

Latest SLNH insider transactions
Insider	Date	Type	Shares	Price	Value
Thomas Jessica L.	Sep 23, 2026	Sale	30.00K	$1.26	$37.80K
Phelan William P	Sep 3, 2026	Sale	12.04K	$1.12	$13.48K
Belizaire John	Sep 1, 2026	Sale	1.00K	$11.91	$11.91K
OReilly Mary Jennifer	Sep 1, 2026	Tax withholding	16.19K	$1.05	$17.00K
Thomas Jessica L.	Sep 1, 2026	Tax withholding	5.34K	$1.05	$5.61K
Phelan William P	Aug 31, 2026	Sale	3.19K	$12.08	$38.51K
Phelan William P	Aug 28, 2026	Sale	5.04K	$12.25	$61.73K
PICCHI MICHAEL	Aug 28, 2026	Buy	20.00K	$1.13	$22.60K
Phelan William P	Aug 27, 2026	Sale	8.10K	$12.08	$97.84K
Belizaire John	Aug 26, 2026	Buy	50.00K	$1.20	$60.00K

Short interest

Settled Sep 30, 2026

Shares short: 25.08M
Days to cover: 3.75
% of shares outstanding: 15.42%
Average daily volume: 6.68M
Change since last report: +3.0%

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