Solaris Energy Infrastructure, Inc. - Class A Common Stock, $0.01 par value (SEI)
CUSIP: 83418M103
Q4 2025 13F Holders as of 31 Dec 2025
- Type / Class
- Equity / Class A Common Stock, $0.01 par value
- Shares outstanding
- 48,846,240
- Total 13F shares
- 67,441,586
- Share change
- +11,625,156
- Total reported value
- $3,100,151,537
- Put/Call ratio
- 80%
- Price per share
- $45.97
- Number of holders
- 333
- Value change
- +$546,064,031
- Number of buys
- 211
- Number of sells
- 118
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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Recent filing periods for CUSIP 83418M103:
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 |
|---|---|---|---|---|---|---|---|---|
| W. Howard Keenan Jr. |
3/4/5
|
Director |
—
mixed-class rows
|
22,301,752
mixed-class rows
|
$316,064,782 | — | 23 Aug 2025 | |
| William A. Zartler |
13D/G
|
— |
10%
|
5,289,542
|
$279,182,027 | +$9,725,454 | 31 Dec 2025 | |
| BlackRock, Inc. |
13F
13D/G
|
Company |
5.6%
from 13D/G
|
4,852,484
|
$193,953,789 | — | 30 Sep 2025 | |
| 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 | |
| Encompass Capital Advisors LLC |
13D/G
13F
|
Company |
5.2%
|
2,559,543
|
$135,092,680 | -$19,003,070 | 31 Dec 2025 | |
| Voya Financial, Inc. |
13D/G
|
— |
5.2%
|
2,545,879
|
$134,371,494 | $0 | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
13D/G
|
Company · The Vanguard Group |
6%
from 13D/G
|
2,664,870
|
$106,514,854 | — | 30 Sep 2025 | |
| FMR LLC |
13D/G
13F
|
Company |
5.2%
|
2,319,886
|
$92,725,827 | $0 | 30 Sep 2025 | |
| BlackRock Portfolio Management LLC |
13D/G
|
— |
4.9%
|
2,175,763
|
$86,965,247 | -$50,313,357 | 30 Sep 2025 | |
| JANE STREET GROUP, LLC |
13D/G
13F
|
Company |
3.7%
|
1,788,416
|
$82,214,378 | -$32,416,006 | 31 Dec 2025 | |
| KTR Management Company, LLC |
13D/G
3/4/5
|
10%+ Owner |
3.9%
|
2,000,000
|
$79,940,000 | -$84,527,877 | 04 Nov 2025 | |
| MORGAN STANLEY |
13F
|
Company |
3.9%
|
1,891,539
|
$75,604,856 | — | 30 Sep 2025 | |
| Solaris Energy Capital, LLC |
13D/G
|
— |
8.5%
|
3,513,496
|
$72,834,772 | $0 | 31 Dec 2024 | |
| SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC |
13F
13D/G
|
Company |
4%
from 13D/G
|
1,796,310
|
$71,798,511 | — | 30 Sep 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
3.5%
|
1,696,481
|
$67,808,354 | — | 30 Sep 2025 | |
| J Turbines, Inc. |
13D/G
3/4/5
|
10%+ Owner |
3.1%
|
2,114,783
|
$65,981,230 | -$129,480,000 | 28 Jul 2025 | |
| VAN ECK ASSOCIATES CORP |
13F
|
Company |
2.7%
|
1,295,898
|
$51,797,000 | — | 30 Sep 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
2.5%
|
1,222,542
|
$48,865,004 | — | 30 Sep 2025 | |
| GW&K Investment Management, LLC |
13F
|
Company |
2.4%
|
1,177,830
|
$47,078,000 | — | 30 Sep 2025 | |
| Situational Awareness LP |
13F
|
Company |
2.4%
|
1,150,300
|
$45,977,491 | — | 30 Sep 2025 | |
| Point72 Asset Management, L.P. |
13F
|
Company |
2.2%
|
1,097,575
|
$43,870,039 | — | 30 Sep 2025 | |
| STATE STREET CORP |
13F
|
Company |
2.1%
|
1,043,621
|
$41,713,531 | — | 30 Sep 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
2.1%
|
1,007,320
|
$40,262,580 | — | 30 Sep 2025 | |
| ADVENT INTERNATIONAL, L.P. |
13F
|
Company |
2.1%
|
1,006,900
|
$40,245,793 | — | 30 Sep 2025 | |
| BRIGHTLINE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.1%
|
1,003,000
|
$40,089,910 | — | 30 Sep 2025 | |
| DRIEHAUS CAPITAL MANAGEMENT LLC |
13F
13D/G
|
Company |
2.2%
from 13D/G
|
961,547
|
$38,433,034 | — | 30 Sep 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.9%
|
911,202
|
$36,426,455 | — | 30 Sep 2025 | |
| Ceredex Value Advisors LLC |
13F
|
Company |
1.8%
|
876,900
|
$35,049,694 | — | 30 Sep 2025 | |
| WESTWOOD HOLDINGS GROUP INC |
13F
|
Company |
1.8%
|
861,121
|
$34,419,000 | — | 30 Sep 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
13D/G
|
Company |
1.6%
from 13D/G
|
802,148
|
$32,061,856 | — | 30 Sep 2025 | |
| SIR Capital Management, L.P. |
13F
|
Company |
1.6%
|
763,894
|
$30,532,843 | — | 30 Sep 2025 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
1.5%
|
728,373
|
$29,114,000 | — | 30 Sep 2025 | |
| Goodlander Investment Management, LLC |
13F
|
Company |
1.3%
|
650,000
|
$25,980,500 | — | 30 Sep 2025 | |
| THRC Holdings, LP |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
3,178,875
|
$25,812,465 | — | 08 Dec 2023 | |
| EMERALD ADVISERS, LLC |
13F
|
Company |
1.3%
|
616,719
|
$24,650,258 | — | 30 Sep 2025 | |
| UBS Group AG |
13F
|
Company |
1.2%
|
590,743
|
$23,611,998 | — | 30 Sep 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
13D/G
|
Company |
2.3%
from 13D/G
|
577,332
|
$23,077,921 | — | 30 Sep 2025 | |
| DISCOVERY CAPITAL MANAGEMENT, LLC / CT |
13F
|
Company |
1.2%
|
569,200
|
$22,750,924 | — | 30 Sep 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
1.1%
|
532,538
|
$21,285,544 | — | 30 Sep 2025 | |
| VOYA INVESTMENT MANAGEMENT LLC |
13F
|
Company |
1.1%
|
531,023
|
$21,224,989 | — | 30 Sep 2025 | |
| ROYCE & ASSOCIATES LP |
13F
|
Company |
1%
|
494,568
|
$19,767,883 | — | 30 Sep 2025 | |
| TUDOR INVESTMENT CORP ET AL |
13F
|
Company |
0.96%
|
468,187
|
$18,713,434 | — | 30 Sep 2025 | |
| Ranger Investment Management, L.P. |
13F
|
Company |
0.87%
|
426,140
|
$17,032,816 | — | 30 Sep 2025 | |
| CenterBook Partners LP |
13F
|
Company |
0.85%
|
415,453
|
$16,605,656 | — | 30 Sep 2025 | |
| Assenagon Asset Management S.A. |
13F
|
Company |
0.81%
|
395,554
|
$15,810,293 | — | 30 Sep 2025 | |
| JENNISON ASSOCIATES LLC |
13F
|
Company |
0.79%
|
386,447
|
$15,446,281 | — | 30 Sep 2025 | |
| OBERWEIS ASSET MANAGEMENT INC/ |
13F
|
Company |
0.75%
|
366,900
|
$14,664,993 | — | 30 Sep 2025 | |
| Portolan Capital Management, LLC |
13F
|
Company |
0.74%
|
363,440
|
$14,526,697 | — | 30 Sep 2025 | |
| PINNACLE ASSOCIATES LTD |
13F
|
Company |
0.73%
|
355,188
|
$14,196,864 | — | 30 Sep 2025 | |
| Squarepoint Ops LLC |
13F
|
Company |
0.72%
|
353,839
|
$14,142,945 | — | 30 Sep 2025 |
Institutional Holders of Solaris Energy Infrastructure, Inc. - Class A Common Stock, $0.01 par value (SEI) as of Q4 2025
As of 31 Dec 2025,
Solaris Energy Infrastructure, Inc. - Class A Common Stock, $0.01 par value (SEI) was held by
333 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
67,441,586 shares.
The largest 10 holders included
BlackRock, Inc., VANGUARD GROUP INC, Encompass Capital Advisors LLC, FMR LLC, MORGAN STANLEY, SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC, GOLDMAN SACHS GROUP INC, Situational Awareness LP, MILLENNIUM MANAGEMENT LLC, and JANE STREET GROUP, LLC.
This page lists
333
institutional shareholders reporting positions in this security
for the Q4 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
270
Q4 2025 holders
333
Holder diff
63
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 Value $ | Q4 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.
An asterisk sign (*) next to the price indicates that the price is likely invalid.