Solaris Energy Infrastructure, Inc. - Class A Common Stock, $0.01 par value (SEI)
CUSIP: 83418M103
Q3 2025 13F Holders as of 30 Sep 2025
- Type / Class
- Equity / Class A Common Stock, $0.01 par value
- Shares outstanding
- 48,846,240
- Total 13F shares
- 55,288,645
- Share change
- +7,369,255
- Total reported value
- $2,209,741,534
- Put/Call ratio
- 338%
- Price per share
- $39.97
- Number of holders
- 270
- Value change
- +$322,770,067
- Number of buys
- 167
- Number of sells
- 104
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 | |
| BlackRock, Inc. |
13F
13D/G
|
Company |
5.6%
from 13D/G
|
6,134,853
|
$173,555,000 | — | 30 Jun 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 |
13F
|
Company |
7.4%
|
3,627,158
|
$102,612,300 | — | 30 Jun 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 | |
| Solaris Energy Capital, LLC |
13D/G
|
— |
8.5%
|
3,513,496
|
$72,834,772 | $0 | 31 Dec 2024 | |
| SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC |
13D/G
13F
|
Company |
4%
|
1,796,310
|
$71,798,511 | -$7,575,674 | 30 Sep 2025 | |
| VANGUARD GROUP INC |
13D/G
13F
|
The Vanguard Group · Company |
6%
|
2,440,849
|
$69,051,618 | +$23,469,922 | 30 Jun 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 | |
| DRIEHAUS CAPITAL MANAGEMENT LLC |
13F
13D/G
|
Company |
2.2%
from 13D/G
|
2,244,374
|
$63,493,340 | — | 30 Jun 2025 | |
| MORGAN STANLEY |
13F
|
Company |
3.2%
|
1,584,239
|
$44,818,160 | — | 30 Jun 2025 | |
| WESTWOOD HOLDINGS GROUP INC |
13F
|
Company |
3.1%
|
1,504,738
|
$42,569,038 | — | 30 Jun 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
2.6%
|
1,252,797
|
$35,441,627 | — | 30 Jun 2025 | |
| BRIGHTLINE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.3%
|
1,122,000
|
$31,741,380 | — | 30 Jun 2025 | |
| GW&K Investment Management, LLC |
13F
|
Company |
2.1%
|
1,046,855
|
$29,615,000 | — | 30 Jun 2025 | |
| SIR Capital Management, L.P. |
13F
|
Company |
2.1%
|
1,031,857
|
$29,191,235 | — | 30 Jun 2025 | |
| STATE STREET CORP |
13F
|
Company |
1.9%
|
921,935
|
$26,081,541 | — | 30 Jun 2025 | |
| THRC Holdings, LP |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
3,178,875
|
$25,812,465 | — | 08 Dec 2023 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.8%
|
863,553
|
$24,433,472 | — | 30 Jun 2025 | |
| UBS Group AG |
13F
|
Company |
1.8%
|
861,931
|
$24,384,028 | — | 30 Jun 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1.7%
|
844,581
|
$23,893,201 | — | 30 Jun 2025 | |
| Goodlander Investment Management, LLC |
13F
|
Company |
1.4%
|
700,000
|
$19,803,000 | — | 30 Jun 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
13D/G
|
Company |
2.3%
from 13D/G
|
687,112
|
$19,439,894 | — | 30 Jun 2025 | |
| Honeycomb Asset Management LP |
13F
|
Company |
1.4%
|
672,000
|
$19,010,880 | — | 30 Jun 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13D/G
13F
|
Company |
1.6%
|
647,363
|
$18,313,899 | -$39,209,685 | 30 Jun 2025 | |
| EMERALD ADVISERS, LLC |
13F
|
Company |
1.3%
|
638,377
|
$18,059,685 | — | 30 Jun 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
1.1%
|
533,233
|
$15,085,162 | — | 30 Jun 2025 | |
| ROYCE & ASSOCIATES LP |
13F
|
Company |
1.1%
|
523,378
|
$14,806,364 | — | 30 Jun 2025 | |
| Aventail Capital Group, LP |
13F
|
Company |
1%
|
500,845
|
$14,168,905 | — | 30 Jun 2025 | |
| Sagefield Capital LP |
13F
|
Company |
1%
|
494,184
|
$13,980,465 | — | 30 Jun 2025 | |
| Jump Financial, LLC |
13F
|
Company |
0.92%
|
448,031
|
$12,674,797 | — | 30 Jun 2025 | |
| TUDOR INVESTMENT CORP ET AL |
13F
|
Company |
0.81%
|
396,391
|
$11,213,901 | — | 30 Jun 2025 | |
| SCOPUS ASSET MANAGEMENT, L.P. |
13F
|
Company |
0.78%
|
378,746
|
$10,714,724 | — | 30 Jun 2025 | |
| OBERWEIS ASSET MANAGEMENT INC/ |
13F
|
Company |
0.75%
|
366,900
|
$10,379,601 | — | 30 Jun 2025 | |
| PINNACLE ASSOCIATES LTD |
13F
|
Company |
0.74%
|
363,610
|
$10,286,527 | — | 30 Jun 2025 | |
| Channing Capital Management, LLC |
13F
|
Company |
0.72%
|
353,292
|
$9,994,631 | — | 30 Jun 2025 | |
| T. Rowe Price Investment Management, Inc. |
13F
13D/G
|
Company |
1%
from 13D/G
|
335,940
|
$9,504,000 | — | 30 Jun 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.67%
|
328,146
|
$9,283,251 | — | 30 Jun 2025 | |
| Kelly L. Price |
3/4/5
|
FORMER CHIEF OPERATING OFFICER |
—
class O/S missing
|
271,519
|
$9,272,374 | — | 01 Mar 2025 | |
| EMERALD MUTUAL FUND ADVISERS TRUST |
13F
|
Company |
0.65%
|
315,972
|
$8,938,848 | — | 30 Jun 2025 | |
| Meros Investment Management, LP |
13F
|
Company |
0.62%
|
302,746
|
$8,564,684 | — | 30 Jun 2025 | |
| AYAL Capital Advisors Ltd |
13F
|
Company |
0.61%
|
297,139
|
$8,406,062 | — | 30 Jun 2025 | |
| Ballast Asset Management, LP |
13F
|
Company |
0.6%
|
295,118
|
$8,348,888 | — | 30 Jun 2025 | |
| KENNEDY CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.59%
|
286,112
|
$8,094,108 | — | 30 Jun 2025 | |
| Stephens Investment Management Group LLC |
13F
|
Company |
0.55%
|
268,270
|
$7,589,358 | — | 30 Jun 2025 | |
| GILDER GAGNON HOWE & CO LLC |
13F
|
Company |
0.54%
|
266,001
|
$7,525,168 | — | 30 Jun 2025 | |
| Squarepoint Ops LLC |
13F
|
Company |
0.53%
|
259,248
|
$7,334,126 | — | 30 Jun 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.52%
|
253,785
|
$7,179,575 | — | 30 Jun 2025 | |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC |
13F
|
Company |
0.51%
|
250,507
|
$7,086,843 | — | 30 Jun 2025 |
Institutional Holders of Solaris Energy Infrastructure, Inc. - Class A Common Stock, $0.01 par value (SEI) as of Q3 2025
As of 30 Sep 2025,
Solaris Energy Infrastructure, Inc. - Class A Common Stock, $0.01 par value (SEI) was held by
270 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
55,288,645 shares.
The largest 10 holders included
BlackRock, Inc., Encompass Capital Advisors LLC, VANGUARD GROUP INC, FMR LLC, MORGAN STANLEY, SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC, GOLDMAN SACHS GROUP INC, VAN ECK ASSOCIATES CORP, WELLINGTON MANAGEMENT GROUP LLP, and GW&K Investment Management, LLC.
This page lists
270
institutional shareholders reporting positions in this security
for the Q3 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
210
Q3 2025 holders
270
Holder diff
60
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 Value $ | Q3 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.