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SEI · Solaris Energy Infrastructure

Conviction · Medium · more likely to lead the S&P 500 over the next three months, by a modest margin

Wrong if: a daily close below $52.00

Note written ·

Price against the kill line

22.7% clear of its kill line on the 13 November 2026 close.

How to read this

The red mark is the price level of the published kill line: a close through it (a weekly close, on a weekly line) would prove the research note wrong on price. The dot is where the stock closed on 13 November 2026; a dot left of the mark has closed through its line.

The scale is stretched near the line, so close calls are easy to see. More than 8% from the line, the stock reads well clear, with a hollow dot to show the figure is off the drawn scale.

The kill line is the research note's own test. The portfolio sells on business facts, not on a price. How the portfolio decides

SEISolaris Energy Infrastructure
$52.00
$63.81
22.7%well clear

Three months against the kill line

SEI daily closes from 17 August 2026 to 13 November 2026, last $63.81, against its kill line: a daily close below $52.00. 17 August 2026: $65.8418 August 2026: $61.8219 August 2026: $58.6820 August 2026: $54.1321 August 2026: $53.1824 August 2026: $53.4225 August 2026: $52.7926 August 2026: $51.7127 August 2026: $52.7528 August 2026: $49.7931 August 2026: $50.671 September 2026: $49.542 September 2026: $52.673 September 2026: $53.074 September 2026: $54.898 September 2026: $63.839 September 2026: $67.5410 September 2026: $64.0211 September 2026: $67.2914 September 2026: $60.9915 September 2026: $61.6216 September 2026: $64.6017 September 2026: $69.2218 September 2026: $69.6621 September 2026: $69.0922 September 2026: $65.6723 September 2026: $67.4324 September 2026: $70.1025 September 2026: $70.9728 September 2026: $69.1529 September 2026: $68.3430 September 2026: $71.181 October 2026: $71.382 October 2026: $74.935 October 2026: $74.756 October 2026: $79.707 October 2026: $76.468 October 2026: $73.089 October 2026: $76.4012 October 2026: $79.2813 October 2026: $77.8314 October 2026: $69.3715 October 2026: $65.1616 October 2026: $62.7419 October 2026: $65.7620 October 2026: $63.3421 October 2026: $69.3722 October 2026: $58.6123 October 2026: $58.7426 October 2026: $62.2227 October 2026: $65.3328 October 2026: $68.9729 October 2026: $69.1230 October 2026: $70.702 November 2026: $65.403 November 2026: $69.374 November 2026: $57.645 November 2026: $50.556 November 2026: $57.779 November 2026: $62.6110 November 2026: $61.8711 November 2026: $64.8012 November 2026: $64.5013 November 2026: $63.81

Daily closes, to . Red: the kill line, a daily close below $52.00, on record since 10 November 2026. The shares are down 3.1% since the close; the S&P 500 is down 2.1% over the same sessions. Figures in the note can cover a different window.

Kill line

A daily close below $52.00, which would erase the rebound that followed the 4 November results and the run of analyst target raises. A fourth-quarter 2026 adjusted EBITDA result below $165 million, or a cut to the $220–260 million first-quarter 2027 range, would also break the case.

Research onlyNot in the portfolio.

The portfolio's record →

Key figures from the filings · Industrials

Quarter to 30 September 2026, filed 6 November 2026

Revenue, latest quarter ($M)
341
Revenue, change on a year (%)
+104.4
Operating margin (%)
19.6
Free cash flow, four quarters ($M)
−1,063
Net cash, cash less debt ($M)
−1,316
All filed numbers

What Solaris Energy Infrastructure reports to the SEC in its quarterly and annual filings. Each group states its period and filing date once; a figure dated otherwise says so. Built from the filings known on .

Results by quarter Each quarter with the day its figures were first filed, and the day of a later filing that changed them; no gross margin is reported
Quarter to Revenue ($M) On a year (%) Operating margin (%)
first filed 341 +104.4 19.6
first filed 219 +46.9 25.8
first filed 196 +55.3 25.8
first filed 180 +86.6 22.2
first filed 167 +122.4 22.7
first filed 149 +102.1 23.8
Income Quarter to 30 September 2026, filed 6 November 2026
Pre-tax income ($M) 49.1
Net income ($M) four quarters: 74.9 34.6
Diluted shares, change on a year (%) Not reported
Cash flow Four quarters to 30 September 2026, filed 6 November 2026
Operating cash flow ($M) 574
Capital spending ($M) 1,637
Free cash flow ($M) −1,063
Balance sheet At 30 September 2026, filed 6 November 2026
Cash and short-term investments ($M) 400
Debt ($M) long-term debt 1,716
Net cash, cash less debt ($M) −1,316
Deferred revenue ($M) 87.0
Backlog, orders not yet delivered ($M) Not reported
Receivables ($M) 284
Inventory ($M) 52.2
Shareholders' equity ($M) 1,275
Valuation
Market value ($M) Not available
Enterprise value, market value plus net debt ($M) Not available
Enterprise value to sales (×) Not available
Enterprise value to operating income (×) Not available
Price to earnings (×) Not available
Price to book value (×) Not available
Free-cash-flow yield (%) Not available

Short interest (FINRA, settled 15 October 2026, published 26 October 2026): the share of shares outstanding is not available, 5.7 days of average trading to cover, +1.3% since the previous report.

Insiders' open-market trades SEC Form 4, by trade date, to
Window Bought Sold
90 daysfrom $542K $0
12 monthsfrom $1.3M $300.6M

The thesis

Solaris Energy Infrastructure is modestly more likely than not to beat the S&P 500 over the next three months. The company beat its third-quarter guidance, raised its next two quarters and signed its largest power contract. The fourth-quarter report, expected about 24 February 2027, shows whether adjusted earnings land in the new $165–185 million range and whether the megawatts earning revenue rise from the third-quarter level of about 820.

The company reported on 4 November 2026 that third-quarter adjusted earnings before interest, taxes, depreciation and amortization (EBITDA) were $136.1 million, above the $110–130 million range it had guided. Revenue was $341.1 million. The shares closed at $50.55 on 5 November 2026 and at $64.50 on 12 November 2026, after Citi, Piper Sandler, Needham and Northland Securities adjusted their targets between 9 November 2026 and 11 November 2026.

The market has recovered most of the post-report drop but not the summer level. The 12 November 2026 close sits 25.2% below the 52-week intraday high of $86.19 set on 18 June 2026. The three-month price change is 2.1%.

Bullish and bearish views on Solaris Energy Infrastructure, Inc.

The bull case on Solaris Energy Infrastructure, Inc. (SEI), in brief: third quarter beat the guided range. The bear case: revenue-earning capacity fell.

Bull case

  • Third quarter beat the guided range. Adjusted EBITDA was $136.1 million against guidance of $110–130 million, per the company's 4 November 2026 results release filed with the SEC. The Power Solutions segment earned $127.0 million, up 32% from the second quarter.
  • Guidance was raised again. Fourth-quarter 2026 adjusted EBITDA guidance moved to $165–185 million from $145–180 million. First-quarter 2027 moved to $220–260 million from $200–240 million, per the same release.
  • A 900-megawatt contract was signed. On 29 October 2026 the company signed a 15-year power contract for about 900 megawatts with an existing investment-grade customer. Deployments start in the first half of 2027, per the company's release.
  • Contracted capacity is large. Long-term contracted capacity is 3.2 gigawatts, per the 4 November 2026 release.
  • Analysts raised targets after the report. Needham maintained Buy and raised its target to $126 from $104 on 11 November 2026. Citi maintained Buy and raised its target to $104 on 9 November 2026. Piper Sandler maintained Overweight and raised its target to $85 on 9 November 2026, per Benzinga headlines.
  • A director bought shares in the open market. Director A. J. Teague bought 670 shares at an average $60.77 between 9 November 2026 and 11 November 2026, per an SEC Form 4 filed 12 November 2026. He also bought 7,800 shares at an average $64.23 on 8 September 2026.

Bear case

  • Revenue-earning capacity fell. Average capacity earning revenue was about 820 megawatts in the third quarter, down 14% from about 950 megawatts in the second, as temporary third-party generation was released, per the 4 November 2026 release.
  • Capital spending and debt are heavy. Third-quarter capital expenditure was $547.2 million. Debt attributable to the company was $2.40 billion against $493.2 million of cash, per the same release. The $850 million revolver was undrawn.
  • Targets are far apart. Wells Fargo maintained Overweight but lowered its target to $65 on 6 November 2026, per Benzinga, against Needham's $126 on 11 November 2026. The 12 November 2026 close of $64.50 is near the low end of that range.
  • The shares did not hold the report-day reaction. The close fell to $50.55 on 5 November 2026, the session after a quarter that beat guidance. The recovery to $64.50 by 12 November 2026 came in six sessions, so the price has moved sharply in both directions.
  • Two businesses are mixed in the totals. The oilfield logistics segment produced $56.9 million of third-quarter revenue, so reported totals combine data-center power with oilfield activity.

Price setup

The last close is $64.50 (12 November 2026). It is above the 200-day average of $63.62 and below the 50-day average of $66.73, both from adjusted daily closes. The close of $63.30 on 14 August 2026 is the three-month reference point.

The shares closed at $61.87 on 10 November 2026 and $64.80 on 11 November 2026. The 52-week closing low is $40.64, set on 17 December 2025. The 52-week intraday high is $86.19 from 18 June 2026.

The Form 10-Q for the third quarter was filed with the SEC on 6 November 2026. The only insider purchases among recent Form 4 filings are Teague's on 8 September 2026 and 9 November to 11 November 2026. The other filings since mid-August are routine director share awards dated 23 August 2026.

Catalysts ahead

  • ~24 February 2027 (est.): Fourth-quarter and full-year 2026 results, based on the 24 February 2026 date of the prior-year report. Tests whether adjusted EBITDA lands in the $165–185 million guided range and whether average revenue-earning megawatts rise from about 820.

What would change the view

A daily close below $52.00, which would erase the rebound that followed the 4 November results and the run of analyst target raises. A fourth-quarter 2026 adjusted EBITDA result below $165 million, or a cut to the $220–260 million first-quarter 2027 range, would also break the case.

The risks this note tracks, each with what would confirm it:

  • Fourth-quarter earnings fall short of the raised $165–185 million range as temporary capacity is released and new capacity is delayed. Confirmed by: fourth-quarter 2026 adjusted EBITDA below $165 million, or average revenue-earning megawatts staying near or below 820.
  • Heavy debt-funded capital spending raises fixed costs before new capacity earns revenue. Confirmed by: rising interest expense in quarterly filings without matching growth in Power Solutions revenue.
  • Further equity issuance dilutes shareholders while expansion continues. Confirmed by: a new share offering or stock-funded acquisition announced before the fourth-quarter report.
  • AI data-center power stocks and long-term yields pull the shares down regardless of company results. Confirmed by: renewed declines in other AI data-center power stocks alongside rising long-term Treasury yields.

What it trades with

The Power Solutions business serves technology-company customers building data centers, so the shares are exposed to hyperscaler capital spending news and to long-term interest rates, which raise the cost of the company's debt-funded expansion. The oilfield logistics segment adds a smaller link to oilfield activity.

Solaris has Class A and Class B shares, which affects share counts and earnings per share.

The evidence, claim by claim (7)
  1. Third-quarter 2026 revenue $341.1 million; total adjusted EBITDA $136.1 million versus the $110–130 million guided range; Power Solutions adjusted EBITDA $127.0 million, up 32% from the second quarter. Company Q3 2026 results release, Form 8-K exhibit 99.1 · as of
  2. Fourth-quarter 2026 adjusted EBITDA guidance raised to $165–185 million from $145–180 million; first-quarter 2027 range raised to $220–260 million from $200–240 million. Company Q3 2026 results release, Form 8-K exhibit 99.1 · as of
  3. Signed a 15-year power contract for about 900 megawatts with an existing investment-grade customer; deployments begin in the first half of 2027. Company Q3 2026 results release, Form 8-K exhibit 99.1 · as of
  4. Average capacity earning revenue about 820 megawatts in the third quarter, down 14% from about 950 megawatts in the second quarter; long-term contracted capacity 3.2 gigawatts. Company Q3 2026 results release, Form 8-K exhibit 99.1 · as of
  5. Third-quarter capital expenditure $547.2 million; debt attributable to Solaris $2.40 billion; cash attributable to Solaris $493.2 million; $850 million revolver undrawn. Company Q3 2026 results release, Form 8-K exhibit 99.1 · as of
  6. Needham raised its Solaris price target to $126 from $104 (Buy); Citi raised its target to $104 (Buy); Piper Sandler raised its target to $85 (Overweight). Benzinga headlines, 9 November to 11 November 2026 · as of
  7. Director A. J. Teague bought 670 shares at an average $60.77 on 9 November to 11 November 2026. SEC Form 4 filed 12 November 2026 · as of

Sources

Related · shared themes

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