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Solaris Energy Infrastructure, Inc.

SEI
Exchange
NYSE
Industry
Oil & Gas Field Machinery & Equipment
SEC CIK
0001697500

In the last 90 days, Solaris Energy Infrastructure, Inc. insiders filed 1 open-market purchase and 0 sales; 433 institutions reported holding it in 13F filings for Q2 2026, worth $5.71B in total; no superinvestor holds it.

13F holders, Q3 2025

Institutional positions in Solaris Energy Infrastructure, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
272
+61 vs. Q2 2025
Shares held
55.3M
+7.49M (+15.7%) vs. Q2 2025
Total value
$2.21B
+$857.6M (+63.4%) vs. Q2 2025
New holders
88
82 more added
Sold out
27
76 more reduced

2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting SEI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 272 institutions
Q1 2021: 112 institutionsQ2 2021: 111 institutionsQ3 2021: 107 institutionsQ4 2021: 108 institutionsQ1 2022: 121 institutionsQ2 2022: 134 institutionsQ3 2022: 128 institutionsQ4 2022: 128 institutionsQ1 2023: 117 institutionsQ2 2023: 100 institutionsQ3 2023: 119 institutionsQ4 2023: 140 institutionsQ1 2024: 132 institutionsQ2 2024: 129 institutionsQ3 2024: 135 institutionsQ4 2024: 179 institutionsQ1 2025: 200 institutionsQ2 2025: 213 institutionsQ3 2025: 272 institutionsQ4 2025: 335 institutionsQ1 2026: 363 institutionsQ2 2026: 433 institutions
Value heldQ3 2025: $2.21B
Q1 2021: $282.7MQ2 2021: $224.0MQ3 2021: $184.2MQ4 2021: $157.4MQ1 2022: $287.5MQ2 2022: $267.4MQ3 2022: $224.7MQ4 2022: $239.4MQ1 2023: $196.4MQ2 2023: $182.1MQ3 2023: $230.1MQ4 2023: $191.7MQ1 2024: $214.8MQ2 2024: $202.4MQ3 2024: $304.9MQ4 2024: $1.01BQ1 2025: $890.9MQ2 2025: $1.35BQ3 2025: $2.21BQ4 2025: $3.11BQ1 2026: $3.69BQ2 2026: $5.71B
Institutions holding SEI and their total value by quarter
QuarterHoldersValue
Q2 2026433$5.71B
Q1 2026363$3.69B
Q4 2025335$3.11B
Q3 2025272$2.21B
Q2 2025213$1.35B
Q1 2025200$890.9M
Q4 2024179$1.01B
Q3 2024135$304.9M
Q2 2024129$202.4M
Q1 2024132$214.8M
Q4 2023140$191.7M
Q3 2023119$230.1M
Q2 2023100$182.1M
Q1 2023117$196.4M
Q4 2022128$239.4M
Q3 2022128$224.7M
Q2 2022134$267.4M
Q1 2022121$287.5M
Q4 2021108$157.4M
Q3 2021107$184.2M
Q2 2021111$224.0M
Q1 2021112$282.7M

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Solaris Energy Infrastructure, Inc.; share changes are against Q2 2025.

Institutions holding SEI in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Brinker Capital Investments, LLC5,987$239.3K0.00%+5,987New
Bridgefront Capital, LLC5,980$239.0K0.07%+5,980New
SummitTX Capital, L.P.5,787$231.3K0.01%+5,787New
Kathmere Capital Management, LLC5,752$229.9K0.02%+5,752New
Orchard Capital Managment, LLC5,750$229.8K0.30%+5,750New
Pictet Asset Management Holding SA5,735$229.2K0.00%+5,735New
Ashton Thomas Private Wealth, LLC5,643$225.6K0.01%+5,643New
Pathstone Holdings, LLC5,516$220.5K0.00%+5,516New
Bank of Montreal5,328$213.0K0.00%+5,328New
Great Lakes Advisors, LLC5,257$210.1K0.00%+5,257New
Graham Capital Management, L.P.5,164$206.4K0.01%+5,164New
Weiss Asset Management LP5,070$202.6K0.00%+5,070New
Jain Global LLC5,038$201.4K0.00%+5,038New
Morse Asset Management, Inc4,970$198.7K0.04%+4,970New
Pinpoint Asset Management (Singapore) Pte. Ltd.4,506$180.1K0.03%+4,506New
Creative Financial Designs Inc3,715$148.5K0.01%+3,715New
Ameritas Investment Partners, Inc.3,048$121.8K0.00%−676−18.2%Reduced
EverSource Wealth Advisors, LLC2,746$109.8K0.00%00.0%Unchanged
US Bancorp2,675$106.9K0.00%+1,041+63.7%Added
Quest Partners LLC2,634$105.3K0.01%+2,634New
Bessemer Group Inc2,635$105.0K0.00%+2,463+1,432.0%Added
C M Bidwell & Associates Ltd2,440$97.5K0.05%+2,440New
Nisa Investment Advisors, LLC2,199$87.9K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)1,925$76.9K0.00%−7,839−80.3%Reduced
Quarry LP1,814$72.5K0.02%+556+44.2%Added
Quadrant Capital Group LLC1,796$71.8K0.00%+1,796New
Royal Bank of Canada1,717$69.0K0.00%−6,757−79.7%Reduced
Advisory Services Network, LLC1,600$64.0K0.00%+1,600New
Comerica Bank1,504$60.1K0.00%+1,099+271.4%Added
Chung Wu Investment Group, LLC1,300$52.0K0.04%+1,300New
GAMMA Investing LLC1,152$46.0K0.00%+36+3.2%Added
Assetmark, Inc1,130$45.2K0.00%+255+29.1%Added
Amalgamated Bank1,057$42.0K0.00%00.0%Unchanged
Larson Financial Group LLC1,014$40.5K0.00%+795+363.0%Added
Fortis Group Advisors, LLC1,000$40.0K0.01%00.0%Unchanged
Caitong International Asset Management Co., Ltd786$31.4K0.02%+786New
Point72 Europe (London) LLP739$29.5K0.00%+739New
Smartleaf Asset Management LLC586$24.2K0.00%+358+157.0%Added
Mather Group, LLC.534$21.3K0.00%+534New
Versant Capital Management, Inc514$20.5K0.00%00.0%Unchanged
Harbour Investments, Inc.332$13.3K0.00%00.0%Unchanged
LRI Investments, LLC322$12.9K0.00%00.0%Unchanged
Atlantic Union Bankshares Corp300$12.0K0.00%+300New
Rockefeller Capital Management L.P.272$10.9K0.00%−142,228−99.8%Reduced
Farther Finance Advisors, LLC259$10.4K0.00%+235+979.2%Added
SBI Securities Co., Ltd.235$9.39K0.00%−615−72.4%Reduced
Aster Capital Management (DIFC) Ltd232$9.27K0.00%+232New
Ronald Blue Trust, Inc.147$5.88K0.00%00.0%Unchanged
Signaturefd, LLC138$5.52K0.00%00.0%Unchanged
Allworth Financial LP121$4.84K0.00%+121New
Rothschild Investment LLC95$3.80K0.00%−20−17.4%Reduced
Sterling Capital Management LLC88$3.52K0.00%00.0%Unchanged
Parallel Advisors, LLC80$3.20K0.00%−121−60.2%Reduced
Valley National Advisers Inc100$3.00K0.00%+100New
Frazier Financial Advisors, LLC63$2.53K0.00%+63New
Private Wealth Management Group, LLC60$2.40K0.00%−4−6.3%Reduced
Ancora Advisors, LLC60$2.40K0.00%+60New
Harbor Capital Advisors, Inc.62$2.00K0.00%−1−1.6%Reduced
Capital Advisors, Ltd. LLC43$2.00K0.00%00.0%Unchanged
Legacy Wealth Managment, LLC50$2.00K0.00%+6+13.6%Added
UMA Financial Services, Inc.50$2.00K0.00%+50New
Parkside Financial Bank & Trust25$1.00K0.00%−18−41.9%Reduced
Avion Wealth28$1.00K0.00%00.0%Unchanged
Fortitude Family Office, LLC24$9590.00%00.0%Unchanged
Financial Consulate, Inc20$8000.00%+20New
Rialto Wealth Management, LLC18$7200.00%00.0%Unchanged
Principal Securities, Inc.16$6400.00%+3+23.1%Added
Montag A & Associates Inc12$4800.00%+12New
True Wealth Design, LLC11$4400.00%00.0%Unchanged
HighMark Wealth Management LLC10$4010.00%+10New
Turning Point Benefit Group, Inc.5$2110.00%+5New
Covestor Ltd3$00.00%00.0%Unchanged
Honeycomb Asset Management LP0$00.00%−672,000−100.0%Sold out
Scopus Asset Management, L.P.0$00.00%−378,746−100.0%Sold out
T. Rowe Price Investment Management, Inc.0$00.00%−335,940−100.0%Sold out
Congress Asset Management Co0$00.00%−202,041−100.0%Sold out
Ghisallo Capital Management LLC0$00.00%−180,000−100.0%Sold out
Connor, Clark & Lunn Investment Management Ltd.0$00.00%−100,964−100.0%Sold out
American Century Companies Inc0$00.00%−91,585−100.0%Sold out
Aperture Investors, LLC0$00.00%−79,243−100.0%Sold out
Covalis Capital LLP0$00.00%−66,412−100.0%Sold out
CoreCommodity Management, LLC0$00.00%−51,483−100.0%Sold out
Jefferies Financial Group Inc.0$00.00%−49,200−100.0%Sold out
Voloridge Investment Management, LLC0$00.00%−47,158−100.0%Sold out
Hussman Strategic Advisors, Inc.0$00.00%−42,000−100.0%Sold out
Eschler Asset Management LLP0$00.00%−30,599−100.0%Sold out
Centiva Capital, LP0$00.00%−21,716−100.0%Sold out
Ardsley Advisory Partners LP0$00.00%−20,000−100.0%Sold out
Winton Group Ltd0$00.00%−18,142−100.0%Sold out
Mach-1 Financial Group, Inc.0$00.00%−11,343−100.0%Sold out
Global Retirement Partners, LLC0$00.00%−6,350−100.0%Sold out
Jones Financial Companies LLLP0$00.00%−5,000−100.0%Sold out
BNP PARIBAS ASSET MANAGEMENT Holding S.A.0$00.00%−454−100.0%Sold out
IFP Advisors, Inc0$00.00%0Sold out
Skopos Labs, Inc.0$00.00%−159−100.0%Sold out
Riggs Asset Managment Co. Inc.0$00.00%−39−100.0%Sold out
Ameritas Advisory Services, LLC0$00.00%−33−100.0%Sold out
SRS Capital Advisors, Inc.0$00.00%−12−100.0%Sold out
Stephens Consulting, LLC0$00.00%−1−100.0%Sold out
First Horizon Advisors, Inc.––––Not filed