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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
Vanguard Investments Australia, Ltd.11,411$918.1K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)11,551$929.4K0.00%+1,351+13.2%Added
State Board of Administration of Florida Retirement System11,807$950.0K0.00%00.0%Unchanged
M&T Bank Corp11,894$957.4K0.00%+632+5.6%Added
Prudential Financial Inc12,070$971.2K0.00%+3,785+45.7%Added
Arizona State Retirement System12,078$971.8K0.00%+11+0.1%Added
F/M Investments LLC12,465$1.00M0.05%−562−4.3%Reduced
SRS Capital Advisors, Inc.12,695$1.02M0.01%+12,695New
Cambridge Investment Research Advisors, Inc.12,764$1.03M0.00%+879+7.4%Added
SummitTX Capital, L.P.12,799$1.03M0.03%−7,253−36.2%Reduced
Snowden Capital Advisors LLC13,053$1.05M0.02%+1,573+13.7%Added
Veracity Capital LLC13,214$1.06M0.29%+13,214New
Jain Global LLC13,448$1.08M0.01%+1,898+16.4%Added
CAPROCK Group, Inc.13,487$1.09M0.02%−776−5.4%Reduced
Intech Investment Management LLC13,500$1.09M0.01%+1,483+12.3%Added
The PNC Financial Services Group, Inc.13,604$1.09M0.00%+1,743+14.7%Added
Cetera Investment Advisers13,787$1.11M0.00%−1,240−8.3%Reduced
Caption Management, LLC13,791$1.11M0.04%−19,209−58.2%Reduced
Fiduciary Trust Co14,087$1.13M0.01%+181+1.3%Added
KLP Kapitalforvaltning AS14,700$1.18M0.00%00.0%Unchanged
Retirement Planning Group14,711$1.18M0.03%−6,787−31.6%Reduced
Oppenheimer Asset Management Inc.14,785$1.19M0.01%+1,267+9.4%Added
State of New Jersey Common Pension Fund D15,270$1.23M0.00%+15,270New
Quantbot Technologies LP15,407$1.24M0.05%+14,454+1,516.7%Added
Police & Firemen's Retirement System of New Jersey15,760$1.27M0.01%+3,369+27.2%Added
Toroso Investments, LLC16,339$1.31M0.00%−3,527−17.8%Reduced
Verdence Capital Advisors LLC16,560$1.33M0.07%−8,035−32.7%Reduced
Natixis Advisors, L.P.16,733$1.35M0.00%+16,733New
Jones Financial Companies LLLP17,577$1.35M0.00%+12,905+276.2%Added
Algert Global LLC16,930$1.36M0.02%−50,098−74.7%Reduced
Schroder Investment Management Group18,499$1.47M0.00%+18,288+8,667.3%Added
Advisors Asset Management, Inc.18,401$1.48M0.02%+6,107+49.7%Added
Teachers Retirement System of the State of Kentucky18,561$1.49M0.01%+2,358+14.6%Added
Hudson Bay Capital Management LP19,121$1.54M0.01%+19,121New
Prakash Investment Advisors LLC19,450$1.56M0.97%+19,208+7,937.2%Added
Simcoe Capital LLC19,758$1.59M0.97%−28,815−59.3%Reduced
Savant Capital, LLC24,319$1.59M0.00%+9,160+60.4%Added
Artemis Wealth Advisors, LLC20,000$1.61M0.19%+20,000New
Quadrature Capital Ltd20,349$1.64M0.01%+20,349New
State of Wisconsin Investment Board21,912$1.76M0.00%−176−0.8%Reduced
Moran Wealth Management, LLC22,311$1.80M0.05%+3,045+15.8%Added
Odyssean, LLC22,862$1.84M0.30%+7,539+49.2%Added
Penserra Capital Management LLC23,522$1.89M0.01%−16,169−40.7%Reduced
Mirae Asset Global ETFs Holdings Ltd.24,606$1.98M0.00%+2,897+13.3%Added
Evercore Wealth Management, LLC25,000$2.01M0.03%00.0%Unchanged
Eventide Asset Management, LLC25,244$2.03M0.03%00.0%Unchanged
Vanguard Global Advisers, LLC26,643$2.14M0.00%+2,685+11.2%Added
Glenmede Trust Co NA26,795$2.16M0.01%+9,808+57.7%Added
Quantinno Capital Management LP26,916$2.17M0.00%+852+3.3%Added
Manufacturers Life Insurance Company, The26,967$2.17M0.00%+4,406+19.5%Added
XTX Topco Ltd27,052$2.18M0.03%−37,857−58.3%Reduced
Guggenheim Capital LLC27,157$2.19M0.01%+6,933+34.3%Added
Concentric Capital Strategies, LP29,109$2.34M0.14%+7,617+35.4%Added
MetLife Investment Management31,121$2.50M0.01%+5,911+23.4%Added
Vanguard Asset Management, Ltd31,211$2.51M0.00%+2,181+7.5%Added
CenterBook Partners LP33,097$2.66M0.13%−113,615−77.4%Reduced
Polymer Capital Management (HK) LTD33,225$2.67M0.27%+17,225+107.7%Added
Rockefeller Capital Management L.P.33,376$2.69M0.00%+26,524+387.1%Added
Federation des caisses Desjardins du Quebec33,829$2.72M0.01%+33,829New
Dark Forest Capital Management LP34,686$2.79M0.18%+23,189+201.7%Added
Holocene Advisors, LP35,161$2.83M0.01%+8,898+33.9%Added
Brevan Howard Capital Management LP35,868$2.89M0.04%+35,868New
Freestone Grove Partners LP36,720$2.95M0.02%−96,760−72.5%Reduced
Aquatic Capital Management LLC37,694$3.03M0.10%−12,768−25.3%Reduced
Readystate Asset Management LP38,012$3.06M0.12%+38,012New
O'Neil Global Advisors, Inc.39,462$3.18M0.71%+39,462New
Blue Jean Financial LLC39,981$3.22M2.24%+39,981New
Arosa Capital Management LP40,000$3.22M2.81%−20,000−33.3%Reduced
Legato Capital Management LLC40,335$3.25M0.27%+8,240+25.7%Added
Union Bancaire Privee, UBP SA46,708$3.26M0.05%+46,708New
Alliancebernstein L.P.60,462$3.42M0.00%+15,100+33.3%Added
Asset Management One Co.,Ltd.42,518$3.42M0.01%+1,724+4.2%Added
Clough Capital Partners L P43,090$3.47M0.28%+10,614+32.7%Added
Legal & General Group Plc43,597$3.51M0.00%+5,808+15.4%Added
Stifel Financial Corp44,019$3.54M0.00%+7,671+21.1%Added
Jupiter Topco LLC44,538$3.58M0.00%+44,538New
Aubrey Capital Management Ltd49,500$3.98M2.49%+49,500New
Gabelli Funds LLC50,127$4.03M0.03%00.0%Unchanged
Jane Street Group, LLC50,318$4.05M0.00%−1,518,145−96.8%Reduced
California State Teachers Retirement System50,719$4.08M0.00%−1,072−2.1%Reduced
Creative Planning51,092$4.11M0.00%+11,758+29.9%Added
Aventail Capital Group, LP51,522$4.15M0.24%−112,412−68.6%Reduced
Dockside LLC57,348$4.61M1.08%+57,348New
Graham Capital Management, L.P.60,141$4.84M0.13%+54,977+1,064.6%Added
Gunderson Capital Management Inc.60,248$4.85M1.31%−60−0.1%Reduced
Silvant Capital Management LLC61,552$4.95M0.14%+34,269+125.6%Added
De Burlo Group Inc61,700$4.96M0.91%−22,300−26.5%Reduced
Pillsbury Lake Capital LLC64,796$5.21M1.43%+64,796New
Candelo Capital Management LP65,964$5.31M3.90%−11,610−15.0%Reduced
Rhumbline Advisers66,657$5.36M0.00%+10,599+18.9%Added
Connor, Clark & Lunn Investment Management Ltd.67,460$5.43M0.01%+17,701+35.6%Added
Davidson Kempner Capital Management LP70,000$5.63M0.09%+70,000New
Advisor Group Holdings, Inc.71,528$5.76M0.01%+63,757+820.4%Added
ARP Global Capital Ltd72,056$5.80M2.55%+72,056New
Moody Aldrich Partners LLC73,102$5.88M1.06%−20,027−21.5%Reduced
Ballast Asset Management, LP77,119$6.20M2.47%−38,752−33.4%Reduced
Hel Ved Capital Management Ltd78,920$6.35M0.89%−7,070−8.2%Reduced
UBS Asset Management Americas Inc79,563$6.40M0.00%+9,987+14.4%Added
Assenagon Asset Management S.A.79,594$6.40M0.01%−352,329−81.6%Reduced
Polen Capital Management LLC80,324$6.46M0.06%−3,351−4.0%Reduced