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SEI

Solaris Energy Infrastructure

274 hedge funds and large institutions have $2.21B invested in Solaris Energy Infrastructure in 2025 Q3 according to their latest regulatory filings, with 89 funds opening new positions, 82 increasing their positions, 76 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed

242% more first-time investments, than exits

New positions opened: 89 | Existing positions closed: 26

63% more capital invested

Capital invested by funds: $1.35B → $2.21B (+$858M)

29% more funds holding

Funds holding: 213274 (+61)

9% more funds holding in top 10

Funds holding in top 10: 1112 (+1)

5.65% more ownership

Funds ownership: 118.32%123.97% (+5.7%)

8% more repeat investments, than reductions

Existing positions increased: 82 | Existing positions reduced: 76

71% less call options, than puts

Call options by funds: $45.8M | Put options by funds: $156M

Holders
274
Holders Change
+61
Holders Change %
+28.64%
% of All Funds
3.6%
Holding in Top 10
12
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+9.09%
% of All Funds
0.16%
New
89
Increased
82
Reduced
76
Closed
26
Calls
$45.8M
Puts
$156M
Net Calls
-$110M
Net Calls Change
-$59.9M
Name Holding Trade Value Shares
Change
Change in
Stake
MIM
51
Meros Investment Management
Texas
$11.7M -$344K -11,008 -4%
Qube Research & Technologies (QRT)
52
Qube Research & Technologies (QRT)
United Kingdom
$11.2M +$8.31M +265,600 +1,831%
Two Sigma Advisers
53
Two Sigma Advisers
New York
$10.8M +$1.82M +58,300 +28%
CCM
54
Channing Capital Management
Illinois
$10.7M -$2.67M -85,461 -24%
ACG
55
Aventail Capital Group
New York
$10.6M -$7.34M -234,578 -47%
SIMG
56
Stephens Investment Management Group
Texas
$10.6M -$68.4K -2,187 -0.8%
GGHC
57
Gilder Gagnon Howe & Co
New York
$10.4M -$174K -5,548 -2%
JF
58
Jump Financial
Illinois
$9.59M -$6.51M -208,131 -46%
Russell Investments Group
59
Russell Investments Group
United Kingdom
$9.45M +$3.56M +113,848 +93%
CSS
60
Cubist Systematic Strategies
Connecticut
$9.34M +$1.49M +47,545 +26%
ACA
61
AYAL Capital Advisors
Ontario, Canada
$9.25M -$2.06M -65,758 -22%
OSAM
62
O'Shaughnessy Asset Management
Connecticut
$8.12M -$1.48M -47,378 -19%
CM
63
Castleark Management
Illinois
$7.75M +$3.66M +116,896 +152%
Citadel Advisors
64
Citadel Advisors
Florida
$7.45M +$4.39M +140,209 +304%
UIC
65
Uniplan Investment Counsel
Wisconsin
$7.35M -$962K -30,756 -14%
AI
66
Acuitas Investments
Washington
$7.31M -$192K -6,132 -3%
BAM
67
Ballast Asset Management
Texas
$7.27M -$3.54M -113,344 -38%
AM
68
AGF Management
Ontario, Canada
$6.61M +$5.17M +165,442 New
QT
69
Quantbot Technologies
New York
$6.45M +$1.34M +42,900 +36%
DFO
70
Duquesne Family Office
New York
$5.82M +$4.55M +145,600 New
GCM
71
GeoSphere Capital Management
Florida
$5.57M -$2.08M -66,500 -32%
RWM
72
Ritholtz Wealth Management
New York
$5.34M +$16.9K +539 +0.4%
SSA
73
Schonfeld Strategic Advisors
New York
$5.33M +$1.62M +51,784 +63%
AWM
74
AE Wealth Management
Kansas
$5.09M +$224K +7,166 +6%
Bank of America
75
Bank of America
North Carolina
$4.84M -$4.15M -132,657 -52%

SEI Hedge Fund Activity: Q3 2025 in Review

274 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Solaris Energy Infrastructure (SEI) for Q3 2025, worth a combined $2.21B — up 63% from $1.35B a quarter earlier.

Buyers outnumbered sellers: 89 funds opened new SEI positions and 26 closed out — a net gain of 63 holders — while 82 added to existing stakes and 76 trimmed.

The largest buyer was Situational Awareness, opening a new position worth an estimated $36M. The largest seller was Driehaus Capital Management, cutting an estimated $40.1M.

  • 274 institutional investors held Solaris Energy Infrastructure (SEI) as of Q3 2025, up from 213 in Q2 2025.
  • Funds reported $2.21B of Solaris Energy Infrastructure stock for Q3 2025, up 63% quarter-over-quarter.
  • 89 funds opened new Solaris Energy Infrastructure positions in Q3 2025 and 26 closed out, a net change of +63 holders.
  • The largest Solaris Energy Infrastructure buyer in Q3 2025 was Situational Awareness, an estimated $36M added.
  • The largest Solaris Energy Infrastructure seller in Q3 2025 was Driehaus Capital Management, an estimated $40.1M sold.

Based on aggregated 13F filings for Q3 2025.