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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, Q2 2026

Institutional positions in Solaris Energy Infrastructure, Inc. as of Jun 30, 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
433
+76 vs. Q1 2026
Shares held
71.0M
+6.89M (+10.8%) vs. Q1 2026
Total value
$5.71B
+$2.09B (+57.6%) vs. Q1 2026
New holders
115
159 more added
Sold out
39
123 more reduced

6 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 433 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 heldQ2 2026: $5.71B
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, Q2 2026

Shares, value and share of portfolio for each institution holding Solaris Energy Infrastructure, Inc.; share changes are against Q1 2026.

Institutions holding SEI in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Ranger Investment Management, L.P.583,733$47.0M2.97%−24,077−4.0%Reduced
Qube Research & Technologies Ltd612,638$49.3M0.05%−180,676−22.8%Reduced
Westwood Holdings Group Inc.625,948$50.4M0.38%+23,382+3.9%Added
Deutsche Bank AG627,809$50.5M0.01%+178,909+39.9%Added
Emerald Advisers, LLC640,616$51.5M1.21%+45,929+7.7%Added
Alyeska Investment Group, L.P.761,755$61.3M0.16%+761,755New
Vanguard Portfolio Management LLC794,184$63.9M0.00%+188,023+31.0%Added
Price T Rowe Associates Inc798,365$64.2M0.01%+747,004+1,454.4%Added
UBS Group AG806,686$64.9M0.01%+93,977+13.2%Added
Dimensional Fund Advisors LP868,808$69.9M0.01%−2,654−0.3%Reduced
Wellington Management Group LLP879,771$70.8M0.01%−49,391−5.3%Reduced
Neuberger Berman Group LLC927,422$74.6M0.05%+669,742+259.9%Added
GW&K Investment Management, LLC1,038,119$83.5M0.65%−23,554−2.2%Reduced
Principal Financial Group Inc1,072,200$86.3M0.04%−72,452−6.3%Reduced
Advent International Corp1,094,427$88.1M0.50%−146,935−11.8%Reduced
Korea Investment CORP1,096,000$88.2M0.17%+425,486+63.5%Added
Situational Awareness LP1,129,621$90.9M0.45%+24,070+2.2%Added
Clearbridge Investments, LLC1,138,159$91.6M0.08%+1,026,595+920.2%Added
Ameriprise Financial Inc1,144,927$92.1M0.02%+419,904+57.9%Added
Goldman Sachs Group Inc1,278,618$102.9M0.01%+144,755+12.8%Added
Geode Capital Management, LLC1,352,450$108.8M0.01%+251,299+22.8%Added
Van Eck Associates Corp1,478,669$119.0M0.07%−475,786−24.3%Reduced
State Street Corp1,487,464$119.7M0.00%+132,118+9.7%Added
FMR LLC1,581,402$127.2M0.01%−281,159−15.1%Reduced
Driehaus Capital Management LLC1,584,985$127.5M0.74%−43,189−2.7%Reduced
Valiant Capital Management, L.P.1,604,346$129.1M8.04%+484,843+43.3%Added
Jennison Associates LLC1,691,193$136.1M0.08%+511,457+43.4%Added
Summit Partners Public Asset Management, LLC1,692,838$136.2M3.54%−36,217−2.1%Reduced
Two Sigma Investments, LP1,979,861$159.3M0.12%+38,315+2.0%Added
Morgan Stanley2,024,283$162.9M0.01%+316,828+18.6%Added
Vanguard Capital Management LLC2,447,630$196.9M0.00%+407,179+20.0%Added
Encompass Capital Advisors LLC2,519,604$202.7M8.74%+769,604+44.0%Added
BlackRock, Inc.5,204,415$418.7M0.01%+1,081,979+26.2%Added
Value Aligned Research Advisors, LLC0$00.00%−896,985−100.0%Sold out
Ratan Capital Management LP0$00.00%−110,046−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−103,701−100.0%Sold out
Cohen & Steers, Inc.0$00.00%−98,322−100.0%Sold out
Mirabella Financial Services LLP0$00.00%−56,957−100.0%Sold out
Toronto Dominion Bank0$00.00%−44,973−100.0%Sold out
LMR Partners LLP0$00.00%−39,083−100.0%Sold out
Bamco Inc0$00.00%−38,970−100.0%Sold out
Rokos Capital Management LLP0$00.00%−33,613−100.0%Sold out
Virtu Financial LLC0$00.00%−26,078−100.0%Sold out
Precision Wealth Strategies, LLC0$00.00%−21,330−100.0%Sold out
Winton Group Ltd0$00.00%−17,896−100.0%Sold out
Van Den Berg Management I, Inc0$00.00%−14,868−100.0%Sold out
Neo Ivy Capital Management0$00.00%−14,741−100.0%Sold out
Symmetry Investments LP0$00.00%−14,027−100.0%Sold out
DRW Securities, LLC0$00.00%−9,347−100.0%Sold out
Altfest L J & Co Inc0$00.00%−8,961−100.0%Sold out
Triglav Skladi, D.O.O.0$00.00%−7,265−100.0%Sold out
Interval Partners, LP0$00.00%−6,587−100.0%Sold out
Coldstream Capital Management Inc0$00.00%−5,315−100.0%Sold out
Apollon Wealth Management, LLC0$00.00%−5,025−100.0%Sold out
Sender Co & Partners, Inc.0$00.00%−4,482−100.0%Sold out
Centiva Capital, LP0$00.00%−4,061−100.0%Sold out
Marex Group plc0$00.00%−3,748−100.0%Sold out
Quadrant Capital Group LLC0$00.00%−1,796−100.0%Sold out
Acadian Asset Management LLC0$00.00%−1,209−100.0%Sold out
FNY Investment Advisers, LLC0$00.00%−518−100.0%Sold out
Intentional Wealth Strategies, LLC0$00.00%−380−100.0%Sold out
Clear Street Markets LLC0$00.00%−300−100.0%Sold out
Aster Capital Management (DIFC) Ltd0$00.00%−268−100.0%Sold out
Elequin Capital LP0$00.00%−92−100.0%Sold out
Root Financial Partners, LLC0$00.00%−51−100.0%Sold out
Optiver Holding B.V.0$00.00%−35−100.0%Sold out
Legacy Wealth Managment, LLC0$00.00%−30−100.0%Sold out
Golden State Equity Partners0$00.00%−18−100.0%Sold out
Rachor Investment Advisory Services, LLC0$00.00%−10−100.0%Sold out
MAI Capital Management0$00.00%−8−100.0%Sold out
Hollencrest Capital Management0$00.00%−5−100.0%Sold out
Vermillion Wealth Management, Inc.0$00.00%−5−100.0%Sold out
Situational Awareness Partners LP––––Not filed
Janus Henderson Group PLC––––Not filed
U.S. Capital Wealth Advisors, LLC––––Not filed
CWM, LLC––––Not filed
Corigliano Investment Advisers, LLC––––Not filed
Sunbelt Securities, Inc.––––Not filed