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The company

Solaris Energy Infrastructure, Inc.

SEI · NYSE

IndustrialsMachinerySetting upData-Center Infrastructure

SEI stood above a rising 150-day average in 44 of the last 52 weekly readings, and has been out of that trend for the last 1 week. It is 4.5% below that average now. Machinery: 27% of its 143 stocks in an uptrend (−5 points in four weeks); Industrials: 27% (−5 points in four weeks).

SEC filings

Statistics

Rotation: Setting up
Weeks in an uptrend: out for 1
Industry in uptrend: 27% -5 in 4 wk
Insider buys, 12 months: $2.3M
Insider sales, 12 months: $704.4M
Officials’ trades on record: 3
Institutions holding: 409 (+72)

In the rotation

Each square a week: lit when it closed above a rising 150-day average. 44 of 52 weeks.

21 Apr – 20 Oct

Machinery: A minority of its stocks are in an uptrend and the share has been slipping. Industrials: A minority of its stocks are in an uptrend and the share has been slipping.

Money in and out

1 Nov 2024 – 1 Oct 2026

Open-market buys above the line and sales below, in dollars.

Congress and officials

3 disclosed lines: House 3, Senate 0, executive 0; 1 people.

Who	Did	Amount	Traded
Gilbert Ray Cisneros, Jr. House: U.S. House ClerkCA31	sold	$15k–$50k	9 Jan 2026filed 13 Feb 2026
Gilbert Ray Cisneros, Jr. House: U.S. House ClerkCA31	bought	$1k–$15k	2 Sep 2025filed 12 Sep 2025
Gilbert Ray Cisneros, Jr. House: U.S. House ClerkCA31	bought	$1k–$15k	6 May 2025filed 6 Jun 2025

Insiders

Buy orders, 12 months4

Sale orders, 12 months10

Buyers · sellers2 · 9

Who	Did	Shares	Traded
Aj TeagueDirector	bought	3,900at $64.21	8 Sep 2026filed 9 Sep 2026
Aj TeagueDirector	bought	3,900at $64.25	8 Sep 2026filed 9 Sep 2026
Christopher P. WirtzChief Accounting Officer	sold	700at $77.22	13 May 2026filed 13 May 2026
Laurie H. ArgoDirector	sold	5,200at $72.88	12 May 2026filed 13 May 2026
Christopher M. PowellChief Legal Officer	sold	9,179at $73.90	11 May 2026filed 12 May 2026
Christopher M. PowellChief Legal Officer	sold	25,492at $74.84	11 May 2026filed 12 May 2026
Christopher M. PowellChief Legal Officer	sold	2,181at $75.33	11 May 2026filed 12 May 2026
Ray N. Walker, Jr.Director	sold	56,841at $72.11	8 May 2026filed 11 May 2026
Aj TeagueDirector	bought	3,425at $72.98	8 May 2026filed 11 May 2026
Aj TeagueDirector	bought	2,750at $72.98	8 May 2026filed 11 May 2026
W. Howard Keenan, Jr.Director	sold	2,000,000at $74.50	6 May 2026filed 7 May 2026
Ktr Management Company, Llc10% owner	sold	2,000,000at $70.75	30 Apr 2026filed 4 May 2026

Lines filed since 2 January 2026, newest first; every insider’s older lines are on their own page.

Institutions

Holders409+72 on the quarter

New · exited113 · 42

Reported value$5.6B

Quarter to 30 Jun 2026, against 31 Mar 2026; newest filing 31 Aug 2026.

Manager	Shares	Change
BlackRock, Inc.added · filed 7 Aug 2026	5,204,415$418.7M	+1,081,979+26.2%
Encompass Capital Advisors LLCadded · filed 14 Aug 2026	2,519,604$202.7M	+769,604+44.0%
VANGUARD CAPITAL MANAGEMENT LLCadded · filed 13 Aug 2026	2,447,630$196.9M	+407,179+20.0%
MORGAN STANLEYadded · filed 13 Aug 2026	2,024,283$162.9M	+316,828+18.6%
TWO SIGMA INVESTMENTS, LPadded · filed 14 Aug 2026	1,979,861$159.3M	+38,315+2.0%
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLCreduced · filed 14 Aug 2026	1,692,838$136.2M	-36,217−2.1%
JENNISON ASSOCIATES LLCadded · filed 3 Aug 2026	1,691,193$136.1M	+511,457+43.4%
Valiant Capital Management, L.P.added · filed 14 Aug 2026	1,604,346$129.1M	+484,843+43.3%
Driehaus Capital Management LLCreduced · filed 14 Aug 2026	1,584,985$127.5M	-43,189−2.7%
FMR LLCreduced · filed 13 Aug 2026	1,581,402$127.2M	-281,159−15.1%