Soluna Holdings
SLNH
20 hedge funds and large institutions have $305K invested in Soluna Holdings in 2025 Q2 according to their latest regulatory filings, with 5 funds opening new positions, 3 increasing their positions, 2 reducing their positions, and 6 closing their positions.
50% more repeat investments, than reductions
Existing positions increased: 3 | Existing positions reduced: 2
0.99% less ownership
Funds ownership: 5.99% → 5% (-0.99%)
5% less funds holding
Funds holding: 21 → 20 (-1)
17% less first-time investments, than exits
New positions opened: 5 | Existing positions closed: 6
25% less capital invested
Capital invested by funds: $405K → $305K (-$99.9K)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$102K |
| 2 |
SS
SBI Securities
Tokyo,
Japan
|
+$23.8K |
| 3 |
Jane Street
New York
|
+$19.4K |
| 4 |
RS
R Squared
Central,
Hong Kong
|
+$6.91K |
| 5 |
VF
Virtu Financial
New York
|
+$6.59K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
-$194K |
| 2 |
XT
XTX Topco
George Town,
Cayman Islands
|
-$12.4K |
| 3 |
CBA
Coastal Bridge Advisors
Westport,
Connecticut
|
-$9.57K |
| 4 |
TSS
Two Sigma Securities
New York
|
-$8.62K |
| 5 |
Geode Capital Management
Boston,
Massachusetts
|
-$6.2K |
SLNH Hedge Fund Activity: Q2 2025 in Review
20 of the 7,613 institutional investors tracked by Wall St. Rank reported a position in Soluna Holdings (SLNH) for Q2 2025, worth a combined $305K — down 25% from $405K a quarter earlier.
Sellers outnumbered buyers: 6 funds closed out of SLNH and 5 opened new positions — a net loss of 1 holder — while 2 trimmed existing stakes and 3 added.
The largest buyer was Citadel Advisors, opening a new position worth an estimated $102K. The largest seller was UBS Group, cutting an estimated $194K.
- 20 institutional investors held Soluna Holdings (SLNH) as of Q2 2025, down from 21 in Q1 2025.
- Funds reported $305K of Soluna Holdings stock for Q2 2025, down 25% quarter-over-quarter.
- 5 funds opened new Soluna Holdings positions in Q2 2025 and 6 closed out, a net change of -1 holder.
- The largest Soluna Holdings buyer in Q2 2025 was Citadel Advisors, an estimated $102K added.
- The largest Soluna Holdings seller in Q2 2025 was UBS Group, an estimated $194K sold.
Based on aggregated 13F filings for Q2 2025.