Solaris Energy Infrastructure, Inc. (SEI) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

38,278,947Shares Outstanding

66,332Shares held by institutions

$3,756,381Value of institutional holdings

104.00%Institutional ownership %

25.87%Shares Changed QoQ

227No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

A total of 227 institutions have reported a stake in Solaris Energy Infrastructure, Inc. (NYSE:SEI) as of December 2025, according to recent 13F filings with the SEC.

The percentage of Solaris Energy Infrastructure owned by institutions changed from 146.8% in September 2025 to 104.0% in December 2025, marking a slight down trend.
In percentage terms, this reflects as a holdings change of 25.87% quarter on quarter, and an increase of 26.11% year over year.
Among the 227 institutional holders of Solaris Energy Infrastructure, 149 added to their stakes while 60 trimmed their positions and 18 held steady.
The total number of shares held by institutions in Solaris Energy Infrastructure increased to 39.81Mn as of December 2025, a net change of up by 8.18Mn shares quarter on quarter, and up 4.63Mn shares year over year.
The top institutional stake in Solaris Energy Infrastructure as of December 31, 2025 belongs to BlackRock, Inc., which owns 4.31Mn shares, or 11.26% of the company.
Among the most significant buyers of Solaris Energy Infrastructure during December 2025 were PRINCIPAL FINANCIAL GROUP INC (1.40Mn), HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND (1.02Mn), Situational Awareness LP (716.20K), Nuveen, LLC (644.47K), JANE STREET GROUP, LLC (518.57K).
Leading sellers of Solaris Energy Infrastructure stock in December 2025 included BRIGHTLINE CAPITAL MANAGEMENT, LLC (753.00K), SIR Capital Management, L.P. (598.93K), BlackRock, Inc. (540.52K), Squarepoint Ops LLC (250.23K), Assenagon Asset Management S.A. (168.01K).
The top 10 institutional holders of Solaris Energy Infrastructure for the quarter ending December 2025 included BlackRock, Inc. (4.31Mn), VANGUARD GROUP INC (2.91Mn), MORGAN STANLEY (2.09Mn), GOLDMAN SACHS GROUP INC (1.88Mn), Situational Awareness LP (1.87Mn), JANE STREET GROUP, LLC (1.86Mn), PRINCIPAL FINANCIAL GROUP INC (1.47Mn), VAN ECK ASSOCIATES CORP (1.24Mn), STATE STREET CORP (1.17Mn), GW&K Investment Management, LLC (1.08Mn).

227 Institutional Holders

66,332 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	4,311,968	-540,516	-11.14%	$198,221,180.00
VANGUARD GROUP INC	31 Dec, 2025	2,913,632	248,762	9.33%	$133,939,663.00
MORGAN STANLEY	31 Dec, 2025	2,091,364	199,825	10.56%	$96,140,032.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	1,882,847	186,366	10.99%	$86,554,490.00
Situational Awareness LP	31 Dec, 2025	1,866,500	716,200	62.26%	$85,803,005.00
JANE STREET GROUP, LLC	31 Dec, 2025	1,864,016	518,574	38.54%	$85,688,816.00
PRINCIPAL FINANCIAL GROUP INC	31 Dec, 2025	1,466,343	1,400,311	2,120.66%	$67,407,787.00
VAN ECK ASSOCIATES CORP	31 Dec, 2025	1,241,719	-54,179	-4.18%	$57,081.00
STATE STREET CORP	31 Dec, 2025	1,174,197	130,576	12.51%	$53,977,836.00
GW&K Investment Management, LLC	31 Dec, 2025	1,082,458	-95,372	-8.10%	$49,761.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,023,173	111,971	12.29%	$47,043,304.00
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	31 Dec, 2025	1,021,000	1,021,000	0.00%	$46,935,370.00
MARSHALL WACE, LLP	31 Dec, 2025	838,110	305,572	57.38%	$38,527,916.00
Ceredex Value Advisors LLC	31 Dec, 2025	812,901	-63,999	-7.30%	$37,369,059.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	728,489	151,157	26.18%	$33,488,413.00
Nuveen, LLC	31 Dec, 2025	716,966	644,466	888.92%	$32,958,927.00
UBS Group AG	31 Dec, 2025	642,245	51,502	8.72%	$29,524,002.00
KENNEDY CAPITAL MANAGEMENT LLC	31 Dec, 2025	629,747	312,013	98.20%	$28,949,470.00
EMERALD ADVISERS, LLC	31 Dec, 2025	626,692	9,973	1.62%	$28,809,031.00
Ranger Investment Management, L.P.	31 Dec, 2025	623,213	197,073	46.25%	$28,649,102.00

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