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

Historical Holders from Q2 2017 to Q3 2025

Symbol
SEI on NYSE
Type / Class
Equity / Class A Common Stock, $0.01 par value
Shares outstanding
48.9M
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares, excl. options
55.3M
Holdings value
$2.21B
% of all portfolios
0.013%
Grand Portfolio weight change
+0.001%
Number of holders
270
Number of buys
166
Number of sells
-105
Average Value change %
+0%
Average buys %
+0.004%
Average sells %
-0.004%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

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

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Yorktown Energy Partners X, L.P. 16.05% $147M 7.08M Yorktown Energy Partners X, L.P. 31 Dec 2024
Zartler William A 12.1% $106M 5.11M William A. Zartler 31 Dec 2024
Solaris Energy Capital, LLC 8.5% $72.8M 3.51M Solaris Energy Capital, LLC 31 Dec 2024
Encompass Capital Advisors LLC 6.55% -30% $117M -$28.4M 2.92M -19.5% Encompass Capital Advisors LLC 30 Sep 2025
JANE STREET GROUP, LLC 5.1% $118M 2.49M JANE STREET GROUP, LLC 01 Dec 2025
VANGUARD GROUP INC 6.04% +45.3% $69.1M $23.5M 2.44M +51.5% The Vanguard Group 30 Jun 2025
FMR LLC 5.2% $92.7M 2.32M FMR LLC 30 Sep 2025
BlackRock Portfolio Management LLC 4.9% -40% $87M -$50.3M 2.18M -36.7% BlackRock Portfolio Management LLC 30 Sep 2025
J Turbines, Inc. 3.1% -79.2% $66M -$129M 2.11M -66.2% J Turbines, Inc. 28 Jul 2025
BlackRock, Inc. 5.6% -65.3% $42.8M -$75M 2.07M -63.7% BlackRock, Inc. 31 Jan 2025
KTR Management Company, LLC 3.94% -36% $79.9M -$84.5M 2M -51.4% KTR Management Company, LLC 04 Nov 2025
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC 4.03% -23.8% $71.8M -$7.58M 1.8M -9.54% Summit Partners Public Asset Management, LLC 30 Sep 2025
DRIEHAUS CAPITAL MANAGEMENT LLC 2.16% -63.4% $38.4M -$42.5M 962K -52.5% DRIEHAUS CAPITAL MANAGEMENT LLC 30 Sep 2025
DIMENSIONAL FUND ADVISORS LP 2.3% $18M 866K Dimensional Fund Advisors LP 31 Dec 2024
MILLENNIUM MANAGEMENT LLC 1.6% -68% $18.3M -$39.2M 647K -68.2% Millennium Management LLC 30 Jun 2025
T. Rowe Price Investment Management, Inc. 1% -81.4% $7.86M -$43.7M 379K -84.8% T. Rowe Price Investment Management, Inc. 31 Mar 2025

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

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 55.3M $2.21B +$323M $39.97 270
2025 Q2 47.8M $1.35B +$210M $28.29 210
2025 Q1 41M $891M +$125M $21.76 199
2024 Q4 35M $1.01B +$331M $28.78 176
2024 Q3 23.9M $305M +$21.6M $12.76 131
2024 Q2 23.6M $202M -$10.5M $8.58 125
2024 Q1 24.8M $215M +$8.14M $8.67 131
2023 Q4 24.1M $192M +$18.8M $7.96 138
2023 Q3 21.6M $230M -$4.32M $10.66 117
2023 Q2 21.9M $182M -$9.89M $8.33 99
2023 Q1 23M $196M -$9.8M $8.54 116
2022 Q4 24.1M $240M +$1.38M $9.93 124
2022 Q3 24M $225M -$6.31M $9.36 124
2022 Q2 24.5M $267M +$26.5M $10.88 128
2022 Q1 25.5M $288M +$28M $11.29 119
2021 Q4 24M $157M -$9.73M $6.55 106
2021 Q3 22.1M $184M -$8.43M $8.34 103
2021 Q2 23.2M $226M -$1.34M $9.74 110
2021 Q1 23M $283M -$11.8M $12.27 112
2020 Q4 24.3M $198M +$7.47M $8.14 105
2020 Q3 23M $146M -$12.7M $6.34 103
2020 Q2 24.8M $184M -$13.3M $7.42 117
2020 Q1 27M $141M -$42M $5.25 116
2019 Q4 32M $448M +$6.77M $14.00 134
2019 Q3 31.8M $426M -$5.64M $13.42 122
2019 Q2 31.8M $477M +$24.8M $14.98 138
2019 Q1 30.1M $495M +$14.9M $16.44 117
2018 Q4 29.3M $354M -$177M $12.09 103
2018 Q3 37M $698M +$17.1M $18.89 107
2018 Q2 36.5M $521M +$19.3M $14.29 117
2018 Q1 34.8M $576M +$83.5M $16.56 116
2017 Q4 29.6M $635M +$109M $21.41 99
2017 Q3 24.8M $431M -$2.54M $17.43 67
2017 Q2 25.2M $291M +$291M $11.53 52