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Soluna Holdings
SLNH

21 hedge funds and large institutions have $405K invested in Soluna Holdings in 2025 Q1 according to their latest regulatory filings, with 6 funds opening new positions, 3 increasing their positions, 2 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed

50% more repeat investments, than reductions

Existing positions increased: 3 | Existing positions reduced: 2

2.05% more ownership

Funds ownership: 3.93% → 5.99% (+2.1%)

13% less funds holding

Funds holding: 24 → 21 (-3)

25% less first-time investments, than exits

New positions opened: 6 | Existing positions closed: 8

51% less capital invested

Capital invested by funds: $834K → $405K (-$429K)

Holders
21
Holders Change
-3
Holders Change %
-12.5%
% of All Funds
0.28%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
6
Increased
3
Reduced
2
Closed
8
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
UBS Group
UBS Group
Switzerland
+$552K
2
Geode Capital Management
Geode Capital Management
Massachusetts
+$79.8K
3
XT
XTX Topco
Cayman Islands
+$30.2K
4
CBA
Coastal Bridge Advisors
Connecticut
+$23.2K
5
TSS
Two Sigma Securities
New York
+$20.9K

Top Sellers

Rank Fund Capital Flow
1
Citadel Advisors
Citadel Advisors
Florida
-$205K
2
Renaissance Technologies
Renaissance Technologies
New York
-$164K
3
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
-$48.4K
4
SS
SBI Securities
Japan
-$14.9K
5
RS
R Squared
Hong Kong
-$5.75K
Name Holding Trade Value Shares
Change 		Change in
Stake
UBS Group
1
UBS Group
Switzerland
$228K +$552K +356,553 +76,514%
Geode Capital Management
2
Geode Capital Management
Massachusetts
$62.4K +$79.8K +51,550 +111%
Vanguard Group
3
Vanguard Group
Pennsylvania
$26K – – –
SS
4
SBI Securities
Japan
$18.9K -$14.9K -9,634 -25%
AWMNY
5
Arcadia Wealth Management (New York)
New York
$12.6K – – –
XT
6
XTX Topco
Cayman Islands
$12.4K +$30.2K +19,496 New
CBA
7
Coastal Bridge Advisors
Connecticut
$9.57K +$23.2K +15,000 New
TSS
8
Two Sigma Securities
New York
$8.62K +$20.9K +13,515 New
VF
9
Virtu Financial
New York
$8K +$20.1K +12,998 New
State Street
10
State Street
Massachusetts
$7.4K – – –
Northern Trust
11
Northern Trust
Illinois
$6.83K – – –
Royal Bank of Canada
12
Royal Bank of Canada
Ontario, Canada
$3K +$6.19K +4,000 New
BlackRock
13
BlackRock
New York
$1.29K – – –
Morgan Stanley
14
Morgan Stanley
New York
$128 – – –
Osaic Holdings
15
Osaic Holdings
Arizona
$102 -$6 -4 -2%
Bank of America
16
Bank of America
North Carolina
$54 +$79 +51 +150%
GK
17
Graney & King
New York
$27 – – –
Group One Trading
18
Group One Trading
Illinois
$1 – – –
FDCDDQ
19
Federation des caisses Desjardins du Quebec
Quebec, Canada
$1 +$3 +2 New
Citadel Advisors
20
Citadel Advisors
Florida
– -$205K -97,585 Closed
Renaissance Technologies
21
Renaissance Technologies
New York
– -$164K -77,900 Closed
Dimensional Fund Advisors
22
Dimensional Fund Advisors
Texas
– -$48.4K -23,041 Closed
RS
23
R Squared
Hong Kong
– -$5.75K -2,740 Closed
TRCT
24
Tower Research Capital (TRC)
New York
– -$3.92K -1,866 Closed
Northwestern Mutual Wealth Management
25
Northwestern Mutual Wealth Management
Wisconsin
– -$67 -32 Closed
1
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SLNH Hedge Fund Activity: Q1 2025 in Review

21 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in Soluna Holdings (SLNH) for Q1 2025, worth a combined $405K — down 51% from $834K a quarter earlier.

Sellers outnumbered buyers: 8 funds closed out of SLNH and 6 opened new positions — a net loss of 2 holders — while 2 trimmed existing stakes and 3 added.

The largest buyer was UBS Group, adding an estimated $552K. The largest seller was Citadel Advisors, exiting entirely with an estimated $205K sold.

  • 21 institutional investors held Soluna Holdings (SLNH) as of Q1 2025, down from 24 in Q4 2024.
  • Funds reported $405K of Soluna Holdings stock for Q1 2025, down 51% quarter-over-quarter.
  • 6 funds opened new Soluna Holdings positions in Q1 2025 and 8 closed out, a net change of -2 holders.
  • The largest Soluna Holdings buyer in Q1 2025 was UBS Group, an estimated $552K added.
  • The largest Soluna Holdings seller in Q1 2025 was Citadel Advisors, an estimated $205K sold.

Based on aggregated 13F filings for Q1 2025.