Solaris Energy Infrastructure, Inc. - Class A Common Stock, $0.01 par value (SEI)

Q: What does CUSIP 83418M103 represent in this 13F holders report?

CUSIP 83418M103 is the security identifier for SEI - Solaris Energy Infrastructure, Inc. - Class A Common Stock, $0.01 par value used to aggregate holder disclosures.

Q: How many institutions held SEI - Solaris Energy Infrastructure, Inc. - Class A Common Stock, $0.01 par value in Q1 2025?

199 institutional investors reported SEI - Solaris Energy Infrastructure, Inc. - Class A Common Stock, $0.01 par value for Q1 2025. Use the holders table for investor-level position and value details.

CUSIP: 83418M103

Q1 2025 13F Holders as of 31 Mar 2025

Type / Class: Equity / Class A Common Stock, $0.01 par value
Shares outstanding: 48,846,240
Total 13F shares: 40,959,060
Share change: +6,050,634
Total reported value: $891,389,031
Put/Call ratio: 59%
Price per share: $21.76
Number of holders: 199
Value change: +$125,489,923
Number of buys: 143
Number of sells: 67

Quarterly Holders Quick Answers

What is CUSIP 83418M103?
CUSIP 83418M103 identifies SEI - Solaris Energy Infrastructure, Inc. - Class A Common Stock, $0.01 par value in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2025
Previous quarter: Q4 2024

Recent filing periods for CUSIP 83418M103:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of SEI - Solaris Energy Infrastructure, Inc. - Class A Common Stock, $0.01 par value (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Yorktown Energy Partners X, L.P.	3/4/5 13D/G	10%+ Owner	16% from 13D/G	14,158,468 mixed-class rows	$169,954,710	—	16 Dec 2024	3/4/5 13D/G
BlackRock, Inc.	13F 13D/G	Company	5.6% from 13D/G	5,683,470	$163,570,273	—	31 Dec 2024	13F 13D/G
Solaris Energy Capital, LLC	13D/G	—	8.5%	3,513,496	$72,834,772	$0	31 Dec 2024	13D/G
T. Rowe Price Investment Management, Inc.	13F 13D/G	Company	1% from 13D/G	2,488,143	$71,609,000	—	31 Dec 2024	13F 13D/G
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC	13F	Company	4.9%	2,399,191	$69,048,717	—	31 Dec 2024	13F
Encompass Capital Advisors LLC	13F	Company	4.7%	2,290,643	$65,924,706	—	31 Dec 2024	13F
VANGUARD GROUP INC	13F	Company	4%	1,970,953	$56,724,028	—	31 Dec 2024	13F
BRIGHTLINE CAPITAL MANAGEMENT, LLC	13F	Company	2.3%	1,114,000	$32,060,920	—	31 Dec 2024	13F
WESTWOOD HOLDINGS GROUP INC	13F	Company	2%	979,736	$28,196,802	—	31 Dec 2024	13F
THRC Holdings, LP	3/4/5	10%+ Owner	— class O/S missing	3,178,875	$25,812,465	—	08 Dec 2023	3/4/5
DIMENSIONAL FUND ADVISORS LP	13F 13D/G	Company	2.3% from 13D/G	866,490	$24,937,215	—	31 Dec 2024	13F 13D/G
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	1.7%	825,968	$23,771,360	—	31 Dec 2024	13F
ROYCE & ASSOCIATES LP	13F	Company	1.5%	754,138	$21,704,092	—	31 Dec 2024	13F
MORGAN STANLEY	13F	Company	1.5%	731,511	$21,052,915	—	31 Dec 2024	13F
EMERALD ADVISERS, LLC	13F	Company	1.4%	692,502	$19,930,208	—	31 Dec 2024	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.4%	676,741	$19,481,956	—	31 Dec 2024	13F
STATE STREET CORP	13F	Company	1.3%	617,060	$17,758,987	—	31 Dec 2024	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	1.3%	615,351	$17,709,802	—	31 Dec 2024	13F
DRIEHAUS CAPITAL MANAGEMENT LLC	13F	Company	1.1%	535,801	$15,420,353	—	31 Dec 2024	13F
SIR Capital Management, L.P.	13F	Company	1.1%	529,106	$15,227,671	—	31 Dec 2024	13F
Aventail Capital Group, LP	13F	Company	1%	500,000	$14,390,000	—	31 Dec 2024	13F
Invesco Ltd.	13F	Company	0.83%	404,829	$11,650,978	—	31 Dec 2024	13F
Meros Investment Management, LP	13F	Company	0.74%	361,725	$10,410,446	—	31 Dec 2024	13F
EMERALD MUTUAL FUND ADVISERS TRUST	13F	Company	0.7%	339,803	$9,779,530	—	31 Dec 2024	13F
AYAL Capital Advisors Ltd	13F	Company	0.67%	325,321	$9,362,738	—	31 Dec 2024	13F
Kelly L. Price	3/4/5	FORMER CHIEF OPERATING OFFICER	— class O/S missing	271,519	$9,272,374	—	01 Mar 2025	3/4/5
NORTHERN TRUST CORP	13F	Company	0.64%	312,547	$8,995,102	—	31 Dec 2024	13F
K2 PRINCIPAL FUND, L.P.	13F	Company	0.63%	308,235	$8,871,004	—	31 Dec 2024	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.62%	303,644	$8,738,874	—	31 Dec 2024	13F
Ballast Asset Management, LP	13F	Company	0.6%	290,744	$8,367,613	—	31 Dec 2024	13F
PINNACLE ASSOCIATES LTD	13F	Company	0.57%	277,448	$7,984,953	—	31 Dec 2024	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.56%	271,591	$7,816,389	—	31 Dec 2024	13F
Uniplan Investment Counsel, Inc.	13F	Company	0.54%	265,814	$7,650,144	—	31 Dec 2024	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.54%	263,270	$7,576,911	—	31 Dec 2024	13F
Beryl Capital Management LLC	13F	Company	0.52%	253,691	$7,301,227	—	31 Dec 2024	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.5%	246,300	$7,088,514	—	31 Dec 2024	13F
Bank of New York Mellon Corp	13F	Company	0.48%	232,044	$6,678,237	—	31 Dec 2024	13F
KENNEDY CAPITAL MANAGEMENT LLC	13F	Company	0.45%	219,591	$6,319,829	—	31 Dec 2024	13F
CITADEL ADVISORS LLC	13F	Company	0.45%	218,130	$6,277,781	—	31 Dec 2024	13F
Stephens Investment Management Group LLC	13F	Company	0.45%	217,451	$6,258,240	—	31 Dec 2024	13F
CONGRESS ASSET MANAGEMENT CO	13F	Company	0.44%	214,563	$6,175,127	—	31 Dec 2024	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.43%	212,423	$6,113,534	—	31 Dec 2024	13F
UBS Group AG	13F	Company	0.42%	205,953	$5,927,327	—	31 Dec 2024	13F
O'SHAUGHNESSY ASSET MANAGEMENT, LLC	13F	Company	0.42%	204,532	$5,886,431	—	31 Dec 2024	13F
Sagefield Capital LP	13F	Company	0.41%	199,193	$5,732,774	—	31 Dec 2024	13F
Informed Momentum Co LLC	13F	Company	0.41%	199,001	$5,727,249	—	31 Dec 2024	13F
Empowered Funds, LLC	13F	Company	0.4%	194,677	$5,602,804	—	31 Dec 2024	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.39%	191,155	$5,501,441	—	31 Dec 2024	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.39%	190,800	$5,491,224	—	31 Dec 2024	13F
GW&K Investment Management, LLC	13F	Company	0.37%	179,350	$5,162,000	—	31 Dec 2024	13F

Institutional Holders of Solaris Energy Infrastructure, Inc. - Class A Common Stock, $0.01 par value (SEI) as of Q1 2025

As of 31 Mar 2025, Solaris Energy Infrastructure, Inc. - Class A Common Stock, $0.01 par value (SEI) was held by 199 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 40,959,060 shares. The largest 10 holders included BlackRock, Inc., Encompass Capital Advisors LLC, Driehaus Capital Management LLC, VANGUARD GROUP INC, SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC, WESTWOOD HOLDINGS GROUP INC, MILLENNIUM MANAGEMENT LLC, BRIGHTLINE CAPITAL MANAGEMENT, LLC, SIR Capital Management, L.P., and WELLINGTON MANAGEMENT GROUP LLP. This page lists 198 institutional shareholders reporting positions in this security for the Q1 2025 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2025 vs Q4 2024 Across Filers

Q4 2024 holders

176

Q1 2025 holders

199

Holder diff

Investor	Q4 2024 Shares	Q1 2025 Shares	Share Diff	Share Chg %	Q4 2024 Value $	Q1 2025 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.