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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 2 open-market purchases and 0 sales; 436 institutions reported holding it in 13F filings for Q2 2026, worth $5.71B in total; no superinvestor holds it.

Key figures

Market capNo recent share count in SEC filings
–
Insider buysLast 90 days, $541.7K in total
2
Insider sellsOpen market, last 90 days
0
13F holdersQ2 2026, +78 vs. previous quarter
436
13F valueReported value at the end of Q2 2026
$5.71B
Superinvestors holdingAt the end of Q2 2026
0

Price chart

From SEC filings, in USD.

Revenue, FY2025
$622.2M
+98.7% year over year
Net income, FY2025
$30.2M
+90.8% year over year
Free cash flow, FY2025
-$437.7M
No comparable prior period
Revenue, Q3 FY2026
$341.1M
+104.4% year over year

Revenue flow, FY2025

Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.

Short interest

See short data

From FINRA, settlement date Oct 30, 2026.

Short interest
16.8M
Shares sold short
Change
+273.0K
+1.7% vs. previous
Days to cover
5.89
At average daily volume

Superinvestors holding SEI, Q2 2026

Go to the superinvestors tab

No superinvestor reported holding SEI at the end of Q2 2026.

Latest insider trades

See all insider trades

Open-market purchases and sales by Solaris Energy Infrastructure, Inc. insiders from Form 4, newest first.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Nov 12, 2026 (view filing)4:28 PM ETNov 9-103 daysTeague AjDirectorPPurchaseClass A Common Stock+520$59.32+$30.8K+0.4%117.4K after2 lots
Nov 12, 2026 (view filing)4:28 PM ETNov 111 dayTeague AjDirectorPPurchaseClass A Common Stock+150$65.81+$9.87K+1.0%15.1K after
Sep 9, 2026 (view filing)2:55 PM ETSep 81 dayTeague AjDirectorPPurchaseClass A Common Stock+3.90K$64.21+$250.4K+3.5%116.9K after
Sep 9, 2026 (view filing)2:55 PM ETSep 81 dayTeague AjDirectorPPurchaseClass A Common Stock+3.90K$64.25+$250.6K+35.3%15.0K after
May 13, 2026 (view filing)May 121 dayArgo Laurie HDirectorSSaleClass A Common Stock−5.20K$72.88−$379.0K−10.4%44.8K after
May 13, 2026 (view filing)May 13Same dayWirtz Christopher P.Chief Accounting OfficerSSaleClass A Common Stock−700$77.22−$54.1K−1.9%36.1K after
May 12, 2026 (view filing)May 111 dayPowell Christopher MChief Legal OfficerSSaleClass A Common Stock−36.9K$74.63−$2.75M−24.4%114.1K after3 lots
May 11, 2026 (view filing)May 83 daysTeague AjDirectorPPurchaseClass A Common Stock+3.42K$72.98+$250.0K+3.2%109.9K after
May 11, 2026 (view filing)May 83 daysTeague AjDirectorPPurchaseClass A Common Stock+2.75K$72.98+$200.7K+33.1%11.1K after
May 11, 2026 (view filing)May 83 daysWalker Ray N JRDirectorSSaleClass A Common Stock−56.8K$72.11−$4.10M−90.8%5.76K after

Top 10 13F holders, Q2 2026

See all 436 holders

The largest institutional positions in Solaris Energy Infrastructure, Inc. at the end of Q2 2026; share changes are against Q1 2026.

Institutions holding SEI in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.5,204,415$418.7M0.01%+1,081,979+26.2%Added
Encompass Capital Advisors LLC2,519,604$202.7M8.74%+769,604+44.0%Added
Vanguard Capital Management LLC2,447,630$196.9M0.00%+407,179+20.0%Added
Morgan Stanley2,024,283$162.9M0.01%+316,828+18.6%Added
Two Sigma Investments, LP1,979,861$159.3M0.12%+38,315+2.0%Added
Summit Partners Public Asset Management, LLC1,692,838$136.2M3.54%−36,217−2.1%Reduced
Jennison Associates LLC1,691,193$136.1M0.08%+511,457+43.4%Added
Valiant Capital Management, L.P.1,604,346$129.1M8.04%+484,843+43.3%Added
Driehaus Capital Management LLC1,584,985$127.5M0.74%−43,189−2.7%Reduced
FMR LLC1,581,402$127.2M0.01%−281,159−15.1%Reduced

Holders of 5% or more of SEI

See all 4 holders and filings

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Solaris Energy Infrastructure, Inc..

Largest holders of SEI from 13D and 13G filings
HolderLatest formStakeChangeFirst filedLatest filingFiling
BlackRock, Inc.13G/A13.10%8.02M shares+6.10 ppfrom 7.00%Jan 8, 20256 filingsAug 6, 2026SEC
Zartler William A13G/A10.00%5.29M shares−2.10 ppfrom 12.10%Feb 16, 20216 filingsFeb 13, 2026SEC
Solaris Energy Capital, LLC13G/A8.50%3.51M shares–Feb 16, 20213 filingsFeb 14, 2025SEC
Yorktown Energy Partners X, L.P.13G/A7.20%5.08M shares−8.85 ppfrom 16.05%Feb 14, 20233 filingsAug 14, 2026SEC

1 member of Congress reported 3 trades in Solaris Energy Infrastructure, Inc. since 2020. Newest filings:

  1. Gilbert Ray Cisneros, Jr.

    House · CA · Feb 13, 2026

    Sell$15K-$50K

  2. Gilbert Ray Cisneros, Jr.

    House · CA · Sep 12, 2025

    Buy$1K-$15K

  3. Gilbert Ray Cisneros, Jr.

    House · CA · Jun 6, 2025

    Buy$1K-$15K