| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Yorktown Energy Partners X, L.P. | 16% | $146,752,521 | 7,079,234 | Yorktown Energy Partners X, L.P. | 31 Dec 2024 | |||
| Zartler William A | 10% | -18% | $279,182,027 | +$9,725,454 | 5,289,542 | +3.6% | William A. Zartler | 31 Dec 2025 |
| Solaris Energy Capital, LLC | 8.5% | $72,834,772 | 3,513,496 | Solaris Energy Capital, LLC | 31 Dec 2024 | |||
| Encompass Capital Advisors LLC | 5.2% | -19% | $135,092,680 | -$19,003,070 | 2,559,543 | -12% | Encompass Capital Advisors LLC | 31 Dec 2025 |
| Voya Financial, Inc. | 5.2% | $134,371,494 | 2,545,879 | Voya Financial, Inc. | 31 Dec 2025 | |||
| VANGUARD GROUP INC | 6% | +45% | $69,051,618 | +$23,469,922 | 2,440,849 | +51% | The Vanguard Group | 30 Jun 2025 |
| FMR LLC | 5.2% | $92,725,827 | 2,319,886 | FMR LLC | 30 Sep 2025 | |||
| BlackRock Portfolio Management LLC | 4.9% | -40% | $86,965,247 | -$50,313,357 | 2,175,763 | -37% | BlackRock Portfolio Management LLC | 30 Sep 2025 |
| J Turbines, Inc. | 3.1% | -79% | $65,981,230 | -$129,480,000 | 2,114,783 | -66% | J Turbines, Inc. | 28 Jul 2025 |
| BlackRock, Inc. | 5.6% | -65% | $42,820,012 | -$74,998,321 | 2,065,606 | -64% | BlackRock, Inc. | 31 Jan 2025 |
| KTR Management Company, LLC | 3.9% | -36% | $79,940,000 | -$84,527,877 | 2,000,000 | -51% | KTR Management Company, LLC | 04 Nov 2025 |
| SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | 4% | -24% | $71,798,511 | -$7,575,674 | 1,796,310 | -9.5% | Summit Partners Public Asset Management, LLC | 30 Sep 2025 |
| JANE STREET GROUP, LLC | 3.7% | -28% | $82,214,378 | -$32,416,006 | 1,788,416 | -28% | JANE STREET GROUP, LLC | 31 Dec 2025 |
| DRIEHAUS CAPITAL MANAGEMENT LLC | 2.2% | -63% | $38,433,034 | -$42,522,884 | 961,547 | -53% | DRIEHAUS CAPITAL MANAGEMENT LLC | 30 Sep 2025 |
| DIMENSIONAL FUND ADVISORS LP | 2.3% | $17,962,338 | 866,490 | Dimensional Fund Advisors LP | 31 Dec 2024 | |||
| MILLENNIUM MANAGEMENT LLC | 1.6% | -68% | $18,313,899 | -$39,209,685 | 647,363 | -68% | Millennium Management LLC | 30 Jun 2025 |
| T. Rowe Price Investment Management, Inc. | 1% | -81% | $7,864,941 | -$43,714,263 | 379,399 | -85% | T. Rowe Price Investment Management, Inc. | 31 Mar 2025 |
As of 31 Dec 2025, 332 institutional investors reported holding 67,437,551 shares of Solaris Energy Infrastructure, Inc. - Class A Common Stock, $0.01 par value (SEI). This represents 138% of the company’s total 48,846,240 outstanding shares.
The largest institutional shareholders of Solaris Energy Infrastructure, Inc. - Class A Common Stock, $0.01 par value (SEI) together control 83% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8.8% | 4,311,968 | -11% | 0% | $198,221,180 |
| VANGUARD GROUP INC | 6% | 2,913,632 | +9.3% | 0% | $133,939,663 |
| Encompass Capital Advisors LLC | 5.2% | 2,559,543 | -12% | 5.6% | $117,662,192 |
| FMR LLC | 4.7% | 2,289,564 | +2.3% | 0.01% | $105,251,256 |
| MORGAN STANLEY | 4.3% | 2,091,364 | +11% | 0.01% | $96,140,032 |
| SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | 4.3% | 2,076,324 | +16% | 2.7% | $95,448,614 |
| GOLDMAN SACHS GROUP INC | 3.9% | 1,882,847 | +11% | 0.01% | $86,554,490 |
| Situational Awareness LP | 3.8% | 1,866,500 | +62% | 2.2% | $85,803,005 |
| MILLENNIUM MANAGEMENT LLC | 3.8% | 1,845,050 | +130% | 0.06% | $84,816,948 |
| JANE STREET GROUP, LLC | 3.4% | 1,641,016 | +57% | 0.09% | $75,437,506 |
| PRINCIPAL FINANCIAL GROUP INC | 3% | 1,466,343 | +2121% | 0.03% | $67,407,787 |
| Advent International, L.P. | 2.6% | 1,263,809 | +26% | 1.2% | $58,097,300 |
| WELLINGTON MANAGEMENT GROUP LLP | 2.6% | 1,247,663 | +2.1% | 0.01% | $57,355,067 |
| VAN ECK ASSOCIATES CORP | 2.5% | 1,241,719 | -4.2% | 0.05% | $57,081,000 |
| Driehaus Capital Management LLC | 2.5% | 1,227,721 | +28% | 0.38% | $56,438,334 |
| STATE STREET CORP | 2.4% | 1,174,197 | +13% | 0% | $53,977,836 |
| CITADEL ADVISORS LLC | 2.4% | 1,164,500 | +525% | 0.04% | $53,532,065 |
| Qube Research & Technologies Ltd | 2.4% | 1,154,864 | +312% | 0.08% | $53,089,098 |
| GW&K Investment Management, LLC | 2.2% | 1,082,458 | -8.1% | 0.43% | $49,761,000 |
| TWO SIGMA INVESTMENTS, LP | 2.2% | 1,079,931 | +7.2% | 0.07% | $49,644,428 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.1% | 1,023,173 | +12% | 0% | $47,043,304 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 2.1% | 1,021,000 | 0.08% | $46,935,370 | |
| Value Aligned Research Advisors, LLC | 2% | 975,939 | 0.92% | $44,863,916 | |
| Goodlander Investment Management, LLC | 2% | 960,000 | +48% | 17% | $44,131,200 |
| MARSHALL WACE, LLP | 1.7% | 838,110 | +57% | 0.04% | $38,527,916 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 67,437,551 | $3,099,966,048 | +$545,150,284 | $45.97 | 332 |
| 2025 Q3 | 55,305,273 | $2,210,406,155 | +$322,737,171 | $39.97 | 270 |
| 2025 Q2 | 47,822,065 | $1,352,942,005 | +$209,556,312 | $28.29 | 210 |
| 2025 Q1 | 40,959,060 | $891,389,031 | +$125,489,923 | $21.76 | 199 |
| 2024 Q4 | 35,026,280 | $1,008,015,576 | +$330,954,907 | $28.78 | 176 |
| 2024 Q3 | 23,891,385 | $304,882,226 | +$21,556,997 | $12.76 | 131 |
| 2024 Q2 | 23,566,847 | $202,202,624 | -$10,503,128 | $8.58 | 125 |
| 2024 Q1 | 24,776,940 | $214,813,351 | +$8,135,791 | $8.67 | 131 |
| 2023 Q4 | 24,084,675 | $191,738,828 | +$18,784,861 | $7.96 | 138 |
| 2023 Q3 | 21,580,847 | $230,088,306 | -$4,322,692 | $10.66 | 117 |
| 2023 Q2 | 21,865,662 | $182,138,714 | -$9,893,331 | $8.33 | 99 |
| 2023 Q1 | 23,009,966 | $196,422,104 | -$9,801,327 | $8.54 | 116 |
| 2022 Q4 | 24,123,730 | $239,546,440 | +$1,380,820 | $9.93 | 124 |
| 2022 Q3 | 24,016,823 | $224,792,939 | -$6,310,753 | $9.36 | 124 |
| 2022 Q2 | 24,511,101 | $267,404,973 | +$26,468,188 | $10.88 | 128 |
| 2022 Q1 | 25,512,174 | $287,543,035 | +$27,999,891 | $11.29 | 119 |
| 2021 Q4 | 24,028,641 | $157,347,942 | -$9,728,057 | $6.55 | 106 |
| 2021 Q3 | 22,086,837 | $184,043,705 | -$8,432,086 | $8.34 | 103 |
| 2021 Q2 | 23,235,974 | $226,483,516 | -$1,340,673 | $9.74 | 110 |
| 2021 Q1 | 23,036,908 | $282,690,714 | -$11,838,374 | $12.27 | 112 |
| 2020 Q4 | 24,269,365 | $198,356,824 | +$7,469,199 | $8.14 | 105 |
| 2020 Q3 | 23,045,511 | $146,354,939 | -$12,723,493 | $6.34 | 103 |
| 2020 Q2 | 24,838,556 | $184,077,094 | -$13,349,950 | $7.42 | 117 |
| 2020 Q1 | 26,961,050 | $141,451,139 | -$42,008,927 | $5.25 | 116 |
| 2019 Q4 | 32,030,580 | $448,434,684 | +$6,768,699 | $14.00 | 134 |
| 2019 Q3 | 31,750,229 | $426,194,375 | -$5,644,124 | $13.42 | 122 |
| 2019 Q2 | 31,847,359 | $477,016,506 | +$24,771,910 | $14.98 | 138 |
| 2019 Q1 | 30,115,077 | $495,370,281 | +$14,865,030 | $16.44 | 117 |
| 2018 Q4 | 29,290,558 | $354,114,534 | -$176,798,425 | $12.09 | 103 |
| 2018 Q3 | 36,963,944 | $698,231,737 | +$17,092,508 | $18.89 | 107 |
| 2018 Q2 | 36,491,754 | $521,298,878 | +$19,334,857 | $14.29 | 117 |
| 2018 Q1 | 34,777,544 | $575,921,448 | +$83,458,284 | $16.56 | 116 |
| 2017 Q4 | 29,647,208 | $634,773,241 | +$108,694,736 | $21.41 | 99 |
| 2017 Q3 | 24,753,743 | $431,482,203 | -$2,541,839 | $17.43 | 67 |
| 2017 Q2 | 25,247,901 | $291,103,222 | +$291,103,222 | $11.53 | 52 |