SEI · Solaris Energy Infrastructure, Inc. · Shareholders & Ownership
Every disclosed holder of SEI in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns SEI
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positionsNo chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.
| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 71,565,244 | 93.47% |
| Insiders (Forms 3, 4, 5) | 0 | 0.00% |
| 13D/G-only blocks | 26,797,723 | 35.00% |
| Remaining | 21,796,575 | -28.47% |
| Registered funds (N-PORT, not summed) | 23,039,213 | 30.09% |
Shares outstanding: 76,566,392, the issuer's latest cover-page count restated onto today's split basis.
Insiders are listed but not summed: the issuer has more than one class of common stock and Forms 3, 4 and 5 report one issuer-wide balance across them.
Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of SEI
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
BlackRock, Inc.
13G
CIK 2012383 · Holding company · Jul 31, 2026
Rule 13d-1(b), qualified institution, not summed
|
8,024,851 | ||
| 1.1 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
5,204,415 | ||
| 1.2 |
iShares Russell 2000 ETF
Fund
S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
1,371,420 | ||
| 1.3 |
iShares Russell 2000 Growth ETF
Fund
S000004343 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
493,233 | ||
| 1.4 |
BlackRock Strategic Income Opportunities Portfolio
Fund
S000062358 · Registered fund · Jun 30, 2026
BlackRock Funds V, not summed
|
403,846 | ||
| 1.5 |
iShares U.S. Oil Equipment & Services ETF
Fund
S000009416 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
117,143 | ||
| 2 |
Zartler William A
Insider
CIK 1520378 · Mar 1, 2026
Director, Chairman and Co-CEO, 10% Owner, issuer-wide, not summed
|
5,555,198 | ||
| 2.1 |
|
5,289,542 | ||
| 3 |
|
5,171,273 | ||
| 4 |
Yorktown Energy Partners X, L.P.
13G
CIK 1577919 · Unknown · May 6, 2026
|
5,079,234 | ||
| 4.1 |
Yorktown Energy Partners X, L.P.
Insider
CIK 1577919 · Dec 16, 2024
10% Owner, issuer-wide, not summed
|
7,079,234 | ||
| 5 |
|
3,513,496 | ||
| 6 |
BlackRock Portfolio Management LLC
13G
CIK 2052113 · Holding company · Jun 30, 2025
Rule 13d-1(b), qualified institution
|
3,434,541 | ||
| 7 |
Voya Financial, Inc.
13G
CIK 1535929 · Holding company · Dec 31, 2025
Rule 13d-1(b), qualified institution
|
2,545,879 | ||
| 8 |
Encompass Capital Advisors LLC
13F
CIK 1541901 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,519,604 | ||
| 9 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,447,630 | ||
| 10 |
VANGUARD GROUP INC
13G
CIK 102909 · Registered investment adviser · Jun 30, 2025
Rule 13d-1(b), qualified institution
|
2,440,849 | ||
| 11 |
J Turbines, Inc.
13D
CIK 2036326 · Unknown · Jul 28, 2025
|
2,114,783 | ||
| 11.1 |
|
2,114,783 | ||
| 12 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,024,283 | ||
| 12.1 |
E*TRADE No Fee Total Market Index Fund
Fund
S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
|
66 | ||
| 13 |
TWO SIGMA INVESTMENTS, LP
13F
CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,979,861 | ||
| 14 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
1,762,092 | ||
| 15 |
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC
13F
CIK 1638555 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,692,838 | ||
| 16 |
JENNISON ASSOCIATES LLC
13F
CIK 53417 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,691,193 | ||
| 17 |
Valiant Capital Management, L.P.
13F
CIK 1452689 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,604,346 | ||
| 18 |
Driehaus Capital Management LLC
13F
CIK 938206 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,584,985 | ||
| 18.1 |
Driehaus Small Cap Growth Fund
Fund
S000058261 · Registered fund · Jun 30, 2026
Driehaus Mutual Funds, not summed
|
214,936 | ||
| 18.2 |
Driehaus Micro Cap Growth Fund
Fund
S000042829 · Registered fund · Jun 30, 2026
Driehaus Mutual Funds, not summed
|
89,539 | ||
| 19 |
FMR LLC
13F
CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,581,402 | ||
| 19.1 |
Fidelity Small Cap Index Fund
Fund
S000033638 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
|
584,242 | ||
| 19.2 |
Strategic Advisers U.S. Total Stock Fund
Fund
S000084926 · Registered fund · May 31, 2026
Fidelity Rutland Square Trust II, not summed
|
290,690 | ||
| 19.3 |
Fidelity Extended Market Index Fund
Fund
S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
237,427 | ||
| 19.4 |
Strategic Advisers Fidelity U.S. Total Stock Fund
Fund
S000061481 · Registered fund · May 31, 2026
Fidelity Rutland Square Trust II, not summed
|
231,910 | ||
| 19.5 |
Fidelity Series Small Cap Core Fund
Fund
S000077859 · Registered fund · Jul 31, 2026
Fidelity Concord Street Trust, not summed
|
229,100 | ||
| 20 |
|
1,487,464 | ||
| 20.1 |
State Street(R) SPDR(R) S&P(R) Oil & Gas Equipment & Services ETF
Fund
S000012334 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
273,404 | ||
| 20.2 |
State Street Institutional Small-Cap Equity Fund
Fund
S000001631 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL FUNDS, not summed
|
22,338 | ||
| 20.3 |
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund
S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
18,100 | ||
| 20.4 |
State Street(R) SPDR(R) S&P(R) North American Natural Resources ETF
Fund
S000052050 · Registered fund · Jun 30, 2026
SPDR INDEX SHARES FUNDS, not summed
|
6,520 | ||
| 20.5 |
State Street(R) SPDR(R) Portfolio MSCI Global Stock Market ETF
Fund
S000036082 · Registered fund · Jun 30, 2026
SPDR INDEX SHARES FUNDS, not summed
|
1,348 | ||
| 21 |
VAN ECK ASSOCIATES CORP
13F
CIK 869178 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,478,669 | ||
| 21.1 |
VanEck Oil Services ETF
Fund
S000034408 · Registered fund · Jun 30, 2026
VanEck ETF Trust, not summed
|
1,286,378 | ||
| 22 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,352,450 | ||
| 23 |
GOLDMAN SACHS GROUP INC
13F
CIK 886982 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,278,618 | ||
| 23.1 |
Goldman Sachs Small/Mid Cap Growth Fund
Fund
S000009322 · Registered fund · May 31, 2026
Goldman Sachs Trust, not summed
|
101,804 | ||
| 23.2 |
Goldman Sachs Small Cap Growth Fund
Fund
S000061413 · Registered fund · May 31, 2026
Goldman Sachs Trust, not summed
|
46,049 | ||
| 23.3 |
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF
Fund
S000048296 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
|
14,634 | ||
| 23.4 |
Goldman Sachs Multi-Manager Global Equity Fund
Fund
S000049146 · Registered fund · Jul 31, 2026
Goldman Sachs Trust II, not summed
|
11,650 | ||
| 23.5 |
Goldman Sachs Small Cap Growth Insights Fund
Fund
S000014930 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
|
7,176 | ||
| 24 |
AMERIPRISE FINANCIAL INC
13F
CIK 820027 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,144,927 | ||
| 24.1 |
Columbia Acorn Fund
Fund
S000009184 · Registered fund · Jun 30, 2026
COLUMBIA ACORN TRUST, not summed
|
238,656 | ||
| 24.2 |
Columbia Small Cap Value and Inflection Fund
Fund
S000010793 · Registered fund · May 31, 2026
COLUMBIA FUNDS SERIES TRUST, not summed
|
154,080 | ||
| 24.3 |
Columbia Variable Portfolio - Acorn Fund
Fund
S000008981 · Registered fund · Jun 30, 2026
COLUMBIA FUNDS VARIABLE SERIES TRUST, not summed
|
46,349 | ||
| 24.4 |
Variable Portfolio - Partners Small Cap Growth Fund
Fund
S000028697 · Registered fund · Jun 30, 2026
Columbia Funds Variable Series Trust II, not summed
|
17,037 | ||
| 24.5 |
Columbia Global Opportunities Fund
Fund
S000031367 · Registered fund · Jul 31, 2026
Columbia Funds Series Trust II, not summed
|
1,151 | ||
| 25 |
Clearbridge Investments, LLC
13F
CIK 1348883 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,138,159 | ||
| 26 |
Situational Awareness LP
13F
CIK 2045724 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,129,621 | ||
| 27 |
Korea Investment CORP
13F
CIK 1441689 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,096,000 | ||
| 28 |
Advent International, L.P.
13F
CIK 1034196 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,094,427 | ||
| 29 |
PRINCIPAL FINANCIAL GROUP INC
13F
CIK 1126328 · Insurance company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,072,200 | ||
| 29.1 |
SmallCap Fund
Fund
S000007214 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
|
501,200 | ||
| 29.2 |
SmallCap Growth Fund I
Fund
S000007175 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
|
160,380 | ||
| 29.3 |
SmallCap Account
Fund
S000007675 · Registered fund · Jun 30, 2026
Principal Variable Contract Funds, Inc, not summed
|
40,700 | ||
| 29.4 |
SmallCap S&P 600 Index Fund
Fund
S000007203 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
|
40,449 | ||
| 29.5 |
Global Listed Infrastructure Fund
Fund
S000077513 · Registered fund · May 31, 2026
Principal Funds, Inc, not summed
|
19,213 | ||
| 30 |
GW&K Investment Management, LLC
13F
CIK 1082917 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,038,119 | ||
| 31 |
|
954,456 | ||
| 32 |
NEUBERGER BERMAN GROUP LLC
13F
CIK 1465109 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
927,422 | ||
| 32.1 |
Neuberger Small Cap Growth Fund
Fund
S000007839 · Registered fund · May 31, 2026
NEUBERGER BERMAN EQUITY FUNDS, not summed
|
103,813 | ||
| 32.2 |
Neuberger Energy Transition & Infrastructure ETF
Fund
S000075395 · Registered fund · Jul 31, 2026
Neuberger Berman ETF Trust, not summed
|
11,714 | ||
| 33 |
WELLINGTON MANAGEMENT GROUP LLP
13F
CIK 902219 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
879,771 | ||
| 34 |
DIMENSIONAL FUND ADVISORS LP
13F
CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
868,808 | ||
| 34.1 |
Dimensional U.S. Small Cap ETF
Fund
S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
165,453 | ||
| 34.2 |
U.S. SMALL CAP PORTFOLIO
Fund
S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
163,400 | ||
| 34.3 |
U.S. MICRO CAP PORTFOLIO
Fund
S000000948 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
110,164 | ||
| 34.4 |
Dimensional U.S. Core Equity 2 ETF
Fund
S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
81,683 | ||
| 34.5 |
U.S. CORE EQUITY 2 PORTFOLIO
Fund
S000000980 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
61,666 | ||
| 35 |
|
806,686 | ||
| 36 |
PRICE T ROWE ASSOCIATES INC /MD/
13F
CIK 80255 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
798,365 | ||
| 36.1 |
T. Rowe Price New Horizons Fund, Inc.
Fund
S000002106 · Registered fund · Jun 30, 2026
T. ROWE PRICE NEW HORIZONS FUND, INC., not summed
|
463,300 | ||
| 36.2 |
T. Rowe Price Small-Cap Index Fund
Fund
S000051327 · Registered fund · Jun 30, 2026
T. ROWE PRICE INDEX TRUST, INC., not summed
|
8,059 | ||
| 36.3 |
T. Rowe Price Extended Equity Market Index Fund
Fund
S000002090 · Registered fund · Jun 30, 2026
T. ROWE PRICE INDEX TRUST, INC., not summed
|
6,969 | ||
| 37 |
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
794,184 | ||
| 38 |
Two Seas Capital LP
13F
CIK 1823138 · Registered investment adviser · Sep 30, 2026
|
786,838 | ||
| 39 |
Alyeska Investment Group, L.P.
13F
CIK 1453072 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
761,755 | ||
| 40 |
EMERALD ADVISERS, LLC
13F
CIK 1015083 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
640,616 | ||
| 41 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
629,688 | ||
| 42 |
DEUTSCHE BANK AG\
13F
CIK 948046 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
627,809 | ||
| 42.1 |
DWS RREEF Real Assets Fund
Fund
S000032019 · Registered fund · Jun 30, 2026
DEUTSCHE DWS MARKET TRUST, not summed
|
211,850 | ||
| 42.2 |
DWS Small Cap Core Fund
Fund
S000005709 · Registered fund · Jun 30, 2026
DEUTSCHE DWS INVESTMENT TRUST, not summed
|
150,000 | ||
| 42.3 |
DWS Small Cap Index VIP
Fund
S000006223 · Registered fund · Jun 30, 2026
DEUTSCHE DWS INVESTMENTS VIT FUNDS, not summed
|
8,290 | ||
| 42.4 |
DWS Global Small Cap Fund
Fund
S000005468 · Registered fund · Jul 31, 2026
DEUTSCHE DWS GLOBAL/INTERNATIONAL FUND, INC., not summed
|
5,418 | ||
| 42.5 |
Xtrackers RREEF Global Natural Resources ETF
Fund
S000083869 · Registered fund · May 31, 2026
DBX ETF Trust, not summed
|
4,853 | ||
| 43 |
WESTWOOD HOLDINGS GROUP INC
13F
CIK 1165002 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
625,948 | ||
| 44 |
Qube Research & Technologies Ltd
13F
CIK 1729829 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
612,638 | ||
| 45 |
Ranger Investment Management, L.P.
13F
CIK 1319691 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
583,733 | ||
| 45.1 |
Ranger Micro Cap Fund
Fund
S000033850 · Registered fund · Jul 31, 2026
SPEND LIFE WISELY FUNDS INVESTMENT TRUST, not summed
|
4,135 | ||
| 45.2 |
Ranger Small Cap Fund
Fund
S000033849 · Registered fund · Jul 31, 2026
SPEND LIFE WISELY FUNDS INVESTMENT TRUST, not summed
|
3,905 | ||
| 46 |
PGIM Jennison Small Company Fund
Fund
S000004629 · Registered fund · Jun 30, 2026
Prudential Jennison Small Co Fund, Inc., not summed
|
570,128 | ||
| 47 |
VOYA INVESTMENT MANAGEMENT LLC
13F
CIK 1068837 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
569,949 | ||
| 48 |
FRANKLIN RESOURCES INC
13F
CIK 38777 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
567,173 | ||
| 48.1 |
Putnam Small Cap Growth Fund
Fund
S000000777 · Registered fund · Jun 30, 2026
Putnam Funds Trust, not summed
|
326,286 | ||
| 48.2 |
Franklin Natural Resources Fund
Fund
S000006887 · Registered fund · Jul 31, 2026
Franklin Strategic Series, not summed
|
31,100 | ||
| 48.3 |
Putnam VT Small Cap Growth Fund
Fund
S000003883 · Registered fund · Jun 30, 2026
Putnam Variable Trust, not summed
|
4,996 | ||
| 49 |
OBERWEIS ASSET MANAGEMENT INC/
13F
CIK 937886 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
564,581 | ||
| 49.1 |
Oberweis Small-Cap Opportunities Fund
Fund
S000010232 · Registered fund · Jun 30, 2026
OBERWEIS FUNDS, not summed
|
471,400 | ||
| 49.2 |
Oberweis Global Opportunities Fund
Fund
S000010230 · Registered fund · Jun 30, 2026
OBERWEIS FUNDS, not summed
|
12,600 | ||
| 50 |
|
558,368 | ||
| 50.1 |
College Retirement Equities Fund - Total Global Stock Account
Fund
S000005080 · Registered fund · Jun 30, 2026
College Retirement Equities Fund, not summed
|
263,275 | ||
| 50.2 |
Nuveen Small Cap Select Fund
Fund
S000005569 · Registered fund · Jul 31, 2026
Nuveen Investment Funds, Inc., not summed
|
75,636 | ||
| 50.3 |
Nuveen Small Cap Blend Index Fund
Fund
S000005367 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
|
68,995 | ||
| 50.4 |
Nuveen Small Cap Growth Opportunities Fund
Fund
S000005567 · Registered fund · Jul 31, 2026
Nuveen Investment Funds, Inc., not summed
|
61,081 | ||
| 50.5 |
Nuveen Equity Index Fund
Fund
S000005360 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
|
38,359 |
55 more nested rows are not shown here; Every filing lists them all.
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.
Showing 1–50 of 614 holders
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