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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, Q4 2025

Institutional positions in Solaris Energy Infrastructure, Inc. as of Dec 31, 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
335
+69 vs. Q3 2025
Shares held
67.6M
+12.6M (+22.9%) vs. Q3 2025
Total value
$3.11B
+$909.2M (+41.4%) vs. Q3 2025
New holders
102
124 more added
Sold out
33
85 more reduced

6 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 335 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 heldQ4 2025: $3.11B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Solaris Energy Infrastructure, Inc.; share changes are against Q3 2025.

Institutions holding SEI in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Baader Bank INC45,000$2.07M0.17%+45,000New
Raymond James Financial Inc45,207$2.08M0.00%+8,175+22.1%Added
Asset Management One Co.,Ltd.47,282$2.11M0.01%+47,282New
Caption Management, LLC45,923$2.11M0.09%+45,923New
Envestnet Asset Management Inc48,290$2.22M0.00%+17,521+56.9%Added
Zacks Investment Management48,717$2.24M0.02%+48,717New
Clough Capital Partners L P48,932$2.25M0.20%−8,342−14.6%Reduced
Aquatic Capital Management LLC49,210$2.26M0.06%+8,603+21.2%Added
Adage Capital Partners GP, L.L.C.50,000$2.30M0.00%+50,000New
Victory Capital Management Inc52,793$2.43M0.00%+38,505+269.5%Added
Invesco Ltd.53,009$2.44M0.00%−4,035−7.1%Reduced
Rhumbline Advisers54,428$2.50M0.00%+1,088+2.0%Added
LPL Financial LLC55,949$2.57M0.00%+39,692+244.2%Added
Franklin Resources Inc56,112$2.58M0.00%−4,286−7.1%Reduced
Gabelli Funds LLC56,306$2.59M0.02%00.0%Unchanged
Cushing Asset Management, LP61,000$2.80M0.16%+61,000New
JPMorgan Chase & Co65,259$3.00M0.00%−9,760−13.0%Reduced
UBS Asset Management Americas Inc65,357$3.00M0.00%+21,859+50.3%Added
AlphaStar Capital Management, LLC82,508$3.79M0.28%+82,508New
Dockside LLC82,722$3.80M0.98%+82,722New
Lisanti Capital Growth, LLC83,885$3.86M0.91%+83,885New
AI-Squared Management Ltd85,500$3.93M4.56%+85,500New
Swiss National Bank86,300$3.97M0.00%+12,900+17.6%Added
Concentric Capital Strategies, LP92,549$4.25M0.22%−207,419−69.1%Reduced
Moody Aldrich Partners LLC94,095$4.33M0.81%−4,555−4.6%Reduced
Kornitzer Capital Management Inc96,950$4.46M0.09%+37,025+61.8%Added
AQR Capital Management LLC101,381$4.66M0.00%−7,961−7.3%Reduced
Candelo Capital Management LP102,600$4.72M4.30%+102,600New
Ritholtz Wealth Management102,651$4.72M0.09%−31,066−23.2%Reduced
Squarepoint Ops LLC103,611$4.76M0.01%−250,228−70.7%Reduced
Maxi Investments CY Ltd103,650$4.76M0.87%+103,650New
Ameriprise Financial Inc106,032$4.87M0.00%+9,152+9.4%Added
Simcoe Capital LLC107,259$4.93M4.64%+107,259New
Ballast Asset Management, LP113,026$5.20M2.45%−68,748−37.8%Reduced
Credit Agricole S A114,405$5.26M0.01%+34,936+44.0%Added
Corigliano Investment Advisers, LLC120,400$5.53M1.97%+120,400New
EAM Investors, LLC122,958$5.65M0.63%+101,697+478.3%Added
GeoSphere Capital Management, LLC129,472$5.95M4.11%−10,000−7.2%Reduced
Wells Fargo & Company132,040$6.07M0.00%+37,465+39.6%Added
Susquehanna International Group, LLP133,810$6.15M0.01%+55,853+71.6%Added
Alyeska Investment Group, L.P.134,590$6.19M0.02%+134,590New
BW Gestao de Investimentos Ltda.136,365$6.27M0.22%+136,365New
Wealth High Governance Capital Ltda136,365$6.27M1.84%+136,365New
LMR Partners LLP136,931$6.29M0.06%+105,395+334.2%Added
SEI Investments Co138,229$6.35M0.01%+104,575+310.7%Added
Verition Fund Management LLC141,949$6.53M0.04%+106,391+299.2%Added
Uniplan Investment Counsel, Inc.144,375$6.64M0.67%−39,418−21.4%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH144,365$6.64M0.01%+65,908+84.0%Added
O'Shaughnessy Asset Management, LLC148,902$6.85M0.04%−54,227−26.7%Reduced
Castleark Management LLC150,996$6.94M0.20%−42,930−22.1%Reduced
Meros Investment Management, LP164,324$7.55M3.00%−127,414−43.7%Reduced
SIR Capital Management, L.P.164,959$7.58M0.84%−598,935−78.4%Reduced
Alliancebernstein L.P.165,597$7.61M0.00%+130,335+369.6%Added
Neuberger Berman Group LLC169,250$7.78M0.01%+169,250New
Banco Santander, S.A.174,500$8.02M0.06%+174,500New
New York State Common Retirement Fund202,828$9.32M0.01%+189,711+1,446.3%Added
Bank of New York Mellon Corp203,652$9.36M0.00%−104,577−33.9%Reduced
Channing Capital Management, LLC205,290$9.44M0.24%−62,541−23.4%Reduced
SG Americas Securities, LLC206,130$9.48M0.01%+192,761+1,441.9%Added
Jump Financial, LLC208,990$9.61M0.12%−30,910−12.9%Reduced
Freestone Grove Partners LP213,140$9.80M0.07%+185,019+657.9%Added
Pinnacle Associates Ltd213,282$9.80M0.13%−141,906−40.0%Reduced
Wealth High Governance Asset Management Ltda.213,635$9.82M1.76%+213,635New
Assenagon Asset Management S.A.227,542$10.5M0.02%−168,012−42.5%Reduced
T. Rowe Price Investment Management, Inc.230,375$10.6M0.01%+230,375New
First Trust Advisors LP237,116$10.9M0.01%+199,785+535.2%Added
Gilder Gagnon Howe & Co LLC244,045$11.2M0.12%−16,408−6.3%Reduced
Stephens Investment Management Group LLC247,578$11.4M0.15%−18,505−7.0%Reduced
ExodusPoint Capital Management, LP249,157$11.5M0.13%+160,905+182.3%Added
Bank of Montreal249,178$11.5M0.00%+243,850+4,576.8%Added
Nomura Asset Management International Inc.249,887$11.5M0.02%+249,887New
Brightline Capital Management, LLC250,000$11.5M4.65%−753,000−75.1%Reduced
Ratan Capital Management LP250,095$11.5M3.16%+250,095New
Bank of America Corp261,102$12.0M0.00%+139,974+115.6%Added
Bank of Nova Scotia267,078$12.3M0.02%+267,078New
Russell Investments Group, Ltd.268,118$12.3M0.01%+31,710+13.4%Added
Lighthouse Investment Partners, LLC277,500$12.8M0.42%+247,400+821.9%Added
Bessemer Group Inc280,582$12.9M0.02%+277,947+10,548.3%Added
BNP Paribas Arbitrage, SA286,879$13.2M0.01%+279,987+4,062.5%Added
Penn Capital Management Co Inc288,343$13.3M1.06%+270,966+1,559.3%Added
Hiddenite Capital Partners LP300,000$13.8M7.12%−50,000−14.3%Reduced
Aventail Capital Group, LP300,069$13.8M0.79%+33,802+12.7%Added
AYAL Capital Advisors Ltd309,121$14.2M7.78%+77,740+33.6%Added
Balyasny Asset Management LLC310,988$14.3M0.03%+310,988New
Emerald Mutual Fund Advisers Trust312,027$14.3M0.70%+3,229+1.0%Added
Citigroup Inc315,476$14.5M0.01%+203,626+182.1%Added
Tudor Investment Corp Et Al320,341$14.7M0.08%−147,846−31.6%Reduced
Price T Rowe Associates Inc321,448$14.8M0.00%−406,925−55.9%Reduced
Barclays PLC322,121$14.8M0.01%+251,360+355.2%Added
Progeny 3, Inc.322,300$14.8M0.80%00.0%Unchanged
Royce & Associates LP331,965$15.3M0.15%−162,603−32.9%Reduced
CenterBook Partners LP356,472$16.4M0.80%−58,981−14.2%Reduced
Northern Trust Corp360,751$16.6M0.00%+26,753+8.0%Added
Oberweis Asset Management Inc366,900$16.9M0.62%00.0%Unchanged
Jennison Associates LLC374,417$17.2M0.01%−12,030−3.1%Reduced
No Street GP LP375,000$17.2M1.16%+375,000New
Charles Schwab Investment Management Inc376,277$17.3M0.00%+37,384+11.0%Added
Sagefield Capital LP396,471$18.2M1.54%+93,705+30.9%Added
Deutsche Bank AG397,356$18.3M0.01%+344,996+658.9%Added
Voya Investment Management LLC476,476$21.9M0.02%−54,547−10.3%Reduced