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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, Q1 2026

Institutional positions in Solaris Energy Infrastructure, Inc. as of Mar 31, 2026. 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
363
+33 vs. Q4 2025
Shares held
65.2M
+654.7K (+1.0%) vs. Q4 2025
Total value
$3.69B
+$717.3M (+24.2%) vs. Q4 2025
New holders
91
126 more added
Sold out
58
112 more reduced

5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 363 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 heldQ1 2026: $3.69B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Solaris Energy Infrastructure, Inc.; share changes are against Q4 2025.

Institutions holding SEI in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Arizona State Retirement System12,067$681.9K0.00%−325−2.6%Reduced
Intech Investment Management LLC12,017$679.1K0.01%−928−7.2%Reduced
Cambridge Investment Research Advisors, Inc.11,885$672.0K0.00%+2,565+27.5%Added
The PNC Financial Services Group, Inc.11,861$670.3K0.00%+686+6.1%Added
State Board of Administration of Florida Retirement System11,807$667.2K0.00%00.0%Unchanged
Jain Global LLC11,550$652.7K0.01%00.0%Unchanged
Dark Forest Capital Management LP11,497$649.7K0.06%+1,150+11.1%Added
Snowden Capital Advisors LLC11,480$648.7K0.02%+11,480New
Vanguard Investments Australia, Ltd.11,411$644.8K0.00%+11,411New
M&T Bank Corp11,262$636.0K0.00%+2,954+35.6%Added
Sidoxia Capital Management, LLC11,095$627.0K0.54%+11,095New
Whalen Wealth Management Inc.10,659$602.3K0.32%+10,659New
Ballentine Partners, LLC10,240$578.7K0.01%−72−0.7%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)10,200$576.4K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)9,915$560.3K0.01%+8,405+556.6%Added
Victory Capital Management Inc9,817$554.8K0.00%−42,976−81.4%Reduced
Stephens Inc9,401$531.3K0.01%+782+9.1%Added
DRW Securities, LLC9,347$528.2K0.03%+9,347New
Cerity Partners LLC9,227$521.4K0.00%+2,043+28.4%Added
Commerce Bank9,205$520.2K0.00%−185−2.0%Reduced
Altfest L J & Co Inc8,961$506.4K0.05%+8,961New
Wealth Enhancement Advisory Services, LLC9,048$504.9K0.00%+2,050+29.3%Added
Shay Capital LLC8,700$491.6K0.07%+2,700+45.0%Added
Amplify Investments, LLC8,653$489.0K8.76%00.0%Unchanged
Vident Advisory, LLC8,623$487.3K0.00%+8,623New
Amundi8,497$480.2K0.00%+2,895+51.7%Added
Kings Path Partners LLC8,360$472.4K0.16%−710−7.8%Reduced
Prudential Financial Inc8,285$468.2K0.00%−11,240−57.6%Reduced
Wedbush Securities Inc8,185$463.0K0.01%+8,185New
NBC Securities, Inc.8,109$458.2K0.03%+2,576+46.6%Added
Callahan Advisors, LLC8,000$452.1K0.04%+1,000+14.3%Added
Gamco Investors, Inc. Et Al7,896$446.2K0.00%+76+1.0%Added
Advisor Group Holdings, Inc.7,771$439.2K0.00%+27+0.3%Added
We Are One Seven, LLC7,770$439.1K0.01%+2,605+50.4%Added
Pictet Asset Management Holding SA7,728$436.7K0.00%+995+14.8%Added
CIBC Bancorp USA Inc.7,332$414.3K0.00%+7,332New
Northwest & Ethical Investments L.P.7,453$411.1K0.01%+7,453New
Triglav Skladi, D.O.O.7,265$410.5K0.03%+7,265New
CWM, LLC7,152$404.2K0.00%−606−7.8%Reduced
Mindset Wealth Management, LLC6,870$388.2K0.10%−1,198−14.8%Reduced
Rockefeller Capital Management L.P.6,852$387.2K0.00%+5,200+314.8%Added
Concurrent Investment Advisors, LLC6,814$385.1K0.00%+600+9.7%Added
ProShare Advisors LLC6,712$379.3K0.00%−1,027−13.3%Reduced
Ethic Inc.6,669$376.9K0.01%−1,043−13.5%Reduced
Keybank National Association6,663$376.5K0.00%+6,663New
Interval Partners, LP6,587$372.2K0.01%−28,839−81.4%Reduced
Thompson Davis & Co., Inc.6,425$363.1K0.24%00.0%Unchanged
Ashton Thomas Private Wealth, LLC6,117$345.7K0.01%+300+5.2%Added
Brinker Capital Investments, LLC5,955$336.5K0.00%−208−3.4%Reduced
Orchard Capital Managment, LLC5,750$324.9K0.43%00.0%Unchanged
Pathstone Holdings, LLC5,743$324.5K0.00%+121+2.2%Added
JustInvest LLC5,715$323.0K0.00%+5,715New
Pinnacle Wealth Management Advisory Group, LLC5,701$322.2K0.02%−3,594−38.7%Reduced
Great Lakes Advisors, LLC5,613$317.2K0.00%+262+4.9%Added
Sanctuary Advisors, LLC5,552$313.8K0.00%+632+12.8%Added
CI Private Wealth, LLC5,647$312.1K0.00%+5,647New
Captrust Financial Advisors5,441$307.4K0.00%−345−6.0%Reduced
Mercer Global Advisors Inc5,381$304.1K0.00%+5,381New
Coldstream Capital Management Inc5,315$300.4K0.00%−577−9.8%Reduced
Assetmark, Inc5,289$298.9K0.00%−34−0.6%Reduced
Mount Yale Investment Advisors, LLC5,179$292.7K0.01%+5,179New
Graham Capital Management, L.P.5,164$291.8K0.01%−5,075−49.6%Reduced
Kathmere Capital Management, LLC5,144$290.7K0.02%−151−2.9%Reduced
Vestcor Inc5,100$288.0K0.01%−1,500−22.7%Reduced
Apollon Wealth Management, LLC5,025$283.9K0.00%+5,025New
Corigliano Investment Advisers, LLC5,000$282.6K0.11%−115,400−95.8%Reduced
Chung Wu Investment Group, LLC5,000$282.6K0.24%+1,000+25.0%Added
Freestone Capital Holdings, LLC5,000$282.6K0.01%+5,000New
Great West Life Assurance Co4,941$281.0K0.00%00.0%Unchanged
Jones Financial Companies LLLP4,672$270.2K0.00%+4,582+5,091.1%Added
ProCore Advisors, LLC4,587$259.2K0.40%+4,587New
Sender Co & Partners, Inc.4,482$253.3K0.18%+4,482New
Mangrove Partners4,426$250.1K0.02%−4,754−51.8%Reduced
Xponance, Inc.4,219$238.4K0.00%+4,219New
Congress Asset Management Co4,147$234.3K0.00%+4,147New
Ascent Group, LLC4,103$231.9K0.01%−303−6.9%Reduced
Centiva Capital, LP4,061$229.5K0.01%−10,939−72.9%Reduced
Samalin Investment Counsel, LLC4,053$229.0K0.08%+4,053New
Creative Financial Designs Inc4,025$227.4K0.01%+105+2.7%Added
Purpose Unlimited Inc.4,000$226.0K0.01%+4,000New
Brasada Capital Management, LP4,000$220.6K0.04%00.0%Unchanged
Ameritas Investment Partners, Inc.3,790$214.2K0.01%+354+10.3%Added
Thrivent Financial for Lutherans3,875$212.0K0.00%+3,875New
Marex Group plc3,748$211.8K0.00%+3,748New
Advisory Services Network, LLC3,600$203.4K0.00%+3,600New
Family Management Corp3,564$201.4K0.02%+3,564New
Ensign Peak Advisors, Inc3,100$175.2K0.00%00.0%Unchanged
Fifth Third Bancorp2,951$166.8K0.00%+2,951New
EverSource Wealth Advisors, LLC2,723$153.9K0.00%+9+0.3%Added
US Bancorp2,664$150.5K0.00%+16+0.6%Added
Los Angeles Capital Management LLC2,612$147.6K0.00%+2,394+1,098.2%Added
Farther Finance Advisors, LLC2,355$130.6K0.00%+1,983+533.1%Added
Nisa Investment Advisors, LLC2,117$119.6K0.00%+13+0.6%Added
Walleye Capital LLC1,936$109.4K0.00%−14,047−87.9%Reduced
C M Bidwell & Associates Ltd1,872$105.8K0.05%−578−23.6%Reduced
Quadrant Capital Group LLC1,796$101.5K0.00%00.0%Unchanged
KBC Group NV1,582$89.0K0.00%00.0%Unchanged
Smartleaf Asset Management LLC1,355$71.6K0.00%+150+12.4%Added
GAMMA Investing LLC1,262$71.3K0.00%+80+6.8%Added
Acadian Asset Management LLC1,209$68.0K0.00%+1,209New