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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
Ritholtz Wealth Management82,981$6.68M0.10%−4,388−5.0%Reduced
AlphaStar Capital Management, LLC84,815$6.82M0.43%+13,847+19.5%Added
Swiss National Bank87,900$7.07M0.00%+1,000+1.2%Added
SG Americas Securities, LLC92,727$7.46M0.00%+36,888+66.1%Added
Invesco Ltd.93,693$7.54M0.00%−12,488−11.8%Reduced
AQR Capital Management LLC97,399$7.84M0.00%−67−0.1%Reduced
Kornitzer Capital Management Inc98,200$7.90M0.16%00.0%Unchanged
American Century Companies Inc101,697$8.18M0.00%+14,244+16.3%Added
Susquehanna International Group, LLP103,664$8.34M0.01%+59,532+134.9%Added
Envestnet Asset Management Inc106,635$8.58M0.00%+54,128+103.1%Added
Royal Bank of Canada106,848$8.60M0.00%+9,975+10.3%Added
Portolan Capital Management, LLC107,401$8.64M0.32%+79,471+284.5%Added
SIR Capital Management, L.P.107,947$8.69M1.00%−55,967−34.1%Reduced
AYAL Capital Advisors Ltd109,100$8.78M4.50%−159,700−59.4%Reduced
Boothbay Fund Management, LLC109,460$8.81M0.17%+37,036+51.1%Added
BW Gestao de Investimentos Ltda.110,482$8.89M0.21%−12,350−10.1%Reduced
Wealth High Governance Capital Ltda110,482$8.89M2.66%−12,350−10.1%Reduced
EAM Investors, LLC111,196$8.95M0.80%−2,263−2.0%Reduced
Peregrine Capital Management LLC111,856$9.00M0.29%+111,856New
Credit Agricole S A114,305$9.20M0.02%00.0%Unchanged
Lisanti Capital Growth, LLC114,745$9.23M2.03%−2,570−2.2%Reduced
GeoSphere Capital Management, LLC115,366$9.28M4.81%+30,000+35.1%Added
Renaissance Group LLC117,800$9.48M0.38%+117,800New
Meros Investment Management, LP118,634$9.55M3.03%−25,137−17.5%Reduced
Banco Santander, S.A.121,540$9.78M0.06%−29,929−19.8%Reduced
Balyasny Asset Management LLC121,598$9.78M0.02%−165,573−57.7%Reduced
Pinnacle Associates Ltd123,128$9.91M0.11%+380+0.3%Added
RMB Capital Management, LLC124,452$10.0M0.15%+108,331+672.0%Added
Castleark Management LLC125,806$10.1M0.27%+31,550+33.5%Added
Uniplan Investment Counsel, Inc.125,807$10.1M0.95%−11,165−8.2%Reduced
Channing Capital Management, LLC126,243$10.2M0.23%−22,962−15.4%Reduced
O'Shaughnessy Asset Management, LLC127,770$10.3M0.05%−7,740−5.7%Reduced
Verition Fund Management LLC130,241$10.5M0.07%+130,241New
Ripple Effect Asset Management LP130,300$10.5M6.19%+130,300New
Universal- Beteiligungs- und Servicegesellschaft mbH130,603$10.5M0.02%−1,150−0.9%Reduced
Palisade Capital Management LLC131,606$10.6M0.46%−23,893−15.4%Reduced
ING Groep NV132,300$10.6M0.05%+132,300New
Fred Alger Management, LLC135,208$10.9M0.04%+108,525+406.7%Added
Silvercrest Asset Management Group LLC139,060$11.2M0.07%+28,508+25.8%Added
Hiddenite Capital Partners LP140,000$11.3M2.77%+140,000New
HRT Financial LP143,156$11.5M0.02%+143,156New
Raymond James Financial Inc144,195$11.6M0.00%+97,158+206.6%Added
Hallstatt Advisors L.P.146,907$11.8M8.33%+26,698+22.2%Added
Diameter Capital Partners LP150,000$12.1M1.28%+150,000New
Voloridge Investment Management, LLC151,536$12.2M0.05%+88,913+142.0%Added
Wells Fargo & Company153,567$12.4M0.00%+21,977+16.7%Added
Ceredex Value Advisors LLC154,500$12.4M0.35%+22,150+16.7%Added
No Street GP LP155,000$12.5M0.75%−70,000−31.1%Reduced
Picton Mahoney Asset Management155,680$12.5M0.12%−7,705−4.7%Reduced
Squarepoint Ops LLC158,270$12.7M0.02%−167,536−51.4%Reduced
JPMorgan Chase & Co158,417$12.8M0.00%+86,348+119.8%Added
SEI Investments Co162,022$13.0M0.01%−99,785−38.1%Reduced
BWCP, LP172,215$13.9M1.98%+172,215New
Zweig-DiMenna Associates LLC172,650$13.9M1.26%+125,150+263.5%Added
Bessemer Group Inc185,181$14.9M0.02%−35,645−16.1%Reduced
Citigroup Inc194,498$15.6M0.01%+21,584+12.5%Added
Citadel Advisors LLC196,383$15.8M0.01%−297,101−60.2%Reduced
TimesSquare Capital Management, LLC198,051$15.9M0.23%+198,051New
Bank of Montreal198,464$16.0M0.01%−31,063−13.5%Reduced
Schonfeld Strategic Advisors LLC209,131$16.8M0.09%+195,161+1,397.0%Added
Stephens Investment Management Group LLC221,900$17.9M0.19%−5,979−2.6%Reduced
Penn Capital Management Co Inc224,485$18.1M1.15%−56,197−20.0%Reduced
LPL Financial LLC230,390$18.5M0.00%+117,853+104.7%Added
First Trust Advisors LP237,452$19.1M0.01%−11,408−4.6%Reduced
La Banque Postale Asset Management SA245,587$19.8M0.20%+245,587New
Agf Management Ltd255,789$20.6M0.08%+255,789New
Russell Investments Group, Ltd.257,462$20.7M0.02%−166−0.1%Reduced
Bank of America Corp261,049$21.0M0.00%−3,077−1.2%Reduced
Millennium Management LLC267,725$21.5M0.01%−2,017,819−88.3%Reduced
New York State Common Retirement Fund268,332$21.6M0.03%+13,513+5.3%Added
Goodlander Investment Management, LLC270,000$21.7M6.56%+270,000New
Sagefield Capital LP272,202$21.9M1.62%−30,632−10.1%Reduced
Renaissance Technologies LLC273,400$22.0M0.03%+273,400New
Nomura Asset Management International Inc.276,330$22.2M0.03%+36,253+15.1%Added
Jump Financial, LLC285,962$23.0M0.21%+91,135+46.8%Added
Point72 Asset Management, L.P.289,247$23.3M0.04%−39,213−11.9%Reduced
Wealth High Governance Asset Management Ltda.289,518$23.3M2.48%+62,350+27.4%Added
Tortoise Capital Advisors, L.L.C.293,332$23.6M0.24%+293,332New
Axiom Investors LLC308,860$24.9M0.22%+77,560+33.5%Added
Barclays PLC317,996$25.6M0.01%+37,422+13.3%Added
Royce & Associates LP333,547$26.8M0.22%+6,380+2.0%Added
Congress Asset Management Co344,935$27.8M0.17%+340,788+8,217.7%Added
Bank of New York Mellon Corp383,805$30.9M0.01%+169,378+79.0%Added
Brown Brothers Harriman & Co385,799$31.0M0.14%+175,799+83.7%Added
Vanguard Fiduciary Trust Co391,319$31.5M0.01%+72,115+22.6%Added
Gilder Gagnon Howe & Co LLC402,996$32.4M0.33%−5,027−1.2%Reduced
Kennedy Capital Management, Inc.404,104$32.5M0.58%−39,007−8.8%Reduced
Emerald Mutual Fund Advisers Trust405,313$32.6M1.15%+90,531+28.8%Added
Cushing Asset Management, LP418,000$33.6M1.50%+30,000+7.7%Added
Marshall Wace, LLP431,871$34.7M0.03%−1,038,371−70.6%Reduced
BNP Paribas Arbitrage, SA454,367$36.6M0.02%+68,431+17.7%Added
Charles Schwab Investment Management Inc455,828$36.7M0.00%+79,200+21.0%Added
Bank of Nova Scotia463,659$37.3M0.06%+249,664+116.7%Added
Northern Trust Corp479,713$38.6M0.00%+89,243+22.9%Added
Steadfast Capital Management LP481,901$38.8M1.19%+481,901New
Greenhouse Funds LLLP495,053$39.8M2.10%+495,053New
Nuveen, LLC558,368$44.9M0.01%+13,109+2.4%Added
Oberweis Asset Management Inc564,581$45.4M0.94%+32,692+6.1%Added
Franklin Resources Inc567,173$45.6M0.01%+172,062+43.5%Added
Voya Investment Management LLC569,949$45.9M0.04%−220,696−27.9%Reduced