Soluna Holdings, Inc - Common stock, par value $0.001 per share (SLNH) Institutional Ownership

13F Institutional Holders and Ownership History from Q4 2023 to Q4 2025

Type / Class
Equity / Common stock, par value $0.001 per share
Symbol
SLNH on Nasdaq
Shares outstanding
98,580,645
Price per share
$1.16
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
12,344,928
Total reported value
$14,438,713
% of total 13F portfolios
0%
Share change
+8,778,667
Value change
+$7,544,048
Number of holders
45
Price from insider filings
$1.16
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Soluna Holdings, Inc - Common stock, par value $0.001 per share (SLNH) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BUGBEE ROBERT L 9.3% $15,677,280 9,168,000 BUGBEE ROBERT L 06 Feb 2026
Generate Strategic Credit Master Fund I-B, L.P. 10% $1,605,998 3,345,829 Generate Strategic Credit Master Fund I-B, L.P. 12 Sep 2025
YA II PN, Ltd. 10% $858,309 1,059,641 YA II PN, Ltd. 05 Feb 2025
ALPHA CAPITAL ANSTALT 1.5% $2,456,497 1,045,318 Alpha Capital Anstalt 30 Sep 2025

As of 31 Dec 2025, 45 institutional investors reported holding 12,344,928 shares of Soluna Holdings, Inc - Common stock, par value $0.001 per share (SLNH). This represents 13% of the company’s total 98,580,645 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Soluna Holdings, Inc - Common stock, par value $0.001 per share (SLNH) together control 12% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
HEIGHTS CAPITAL MANAGEMENT, INC 2.1% 2,043,964 0.91% $2,391,438
GEODE CAPITAL MANAGEMENT, LLC 1.9% 1,889,533 +756% 0% $2,210,903
ARDSLEY ADVISORY PARTNERS LP 1.7% 1,725,000 0.26% $2,018,250
UBS Group AG 1.1% 1,103,185 +3315% 0% $1,290,727
VANGUARD GROUP INC 0.97% 954,920 +185% 0% $1,117,256
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.7% 691,314 0% $808,837
JANE STREET GROUP, LLC 0.68% 665,649 +989% 0% $778,809
BlackRock, Inc. 0.52% 516,509 +26119% 0% $604,316
INTRINSIC EDGE CAPITAL MANAGEMENT LLC 0.27% 270,000 0.06% $315,900
Diametric Capital, LP 0.26% 255,947 0.08% $299,457
RENAISSANCE TECHNOLOGIES LLC 0.26% 255,942 0% $299,452
MARSHALL WACE, LLP 0.24% 232,600 0% $272,142
MORGAN STANLEY 0.23% 228,318 +111821% 0% $267,132
Quantbot Technologies LP 0.2% 195,113 0.01% $228,282
STATE STREET CORP 0.19% 188,376 +91% 0% $220,400
Quadrature Capital Ltd 0.17% 170,733 0% $199,758
XTX Topco Ltd 0.13% 128,294 +59% 0% $150,104
NORTHERN TRUST CORP 0.1% 102,915 +137% 0% $120,411
Fiduciary Alliance LLC 0.09% 87,845 +131% 0.01% $102,779
PRELUDE CAPITAL MANAGEMENT, LLC 0.08% 79,317 0.01% $92,801
OMERS ADMINISTRATION Corp 0.07% 69,000 0% $80,730
CITIGROUP INC 0.07% 67,135 +257% 0% $78,548
RAYMOND JAMES FINANCIAL INC 0.06% 58,010 0% $67,872
Vident Advisory, LLC 0.06% 57,110 0% $66,819
Meramec Financial Planners, LLC 0.04% 38,659 0% 0.02% $39,433

Institutional Holders of Soluna Holdings, Inc - Common stock, par value $0.001 per share (SLNH) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 12,344,928 $14,438,713 +$7,544,048 $1.17 45
2025 Q3 3,528,493 $8,291,730 +$7,388,040 $2.35 35
2025 Q2 530,205 $305,286 -$54,419 $0.58 19
2025 Q1 619,838 $395,610 -$141,377 $0.64 17
2024 Q4 396,954 $833,701 -$57,074 $2.10 24
2024 Q3 341,836 $1,069,818 +$862,262 $3.13 22
2024 Q2 66,341 $403,848 +$160,302 $6.09 14
2024 Q1 66,377 $191,167 +$12,879 $2.88 12
2023 Q4 61,573 $246,283 +$246,283 $4.00 11