Who Owns Solaris Energy Infrastructure, Inc. (SEI)?Hedge Fund & Institutional Holders

$51.90-1.44 (-2.69%)EnergyNYSE

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$InfinityT

% of Float Held

Infinity%

QoQ Change in Holders

+6 / -5

Price History

$11.72$23.04$34.36$45.68$57.00Sep 24Jun 25Mar 26

SEI — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
FMR LLCIncreased+52K+$102.9B
PRINCIPAL FINANCIAL GROUP INCNew Position+1.5M+$67.4B
MILLENNIUM MANAGEMENT LLCIncreased+1.0M+$51.9B
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUNDNew Position+1.0M+$46.0B
CITADEL ADVISORS LLCIncreased+978K+$45.6B
Value Aligned Research Advisors, LLCNew Position+976K+$44.9B
Valiant Capital Management, L.P.New Position+734K+$33.8B
EMERALD ADVISERS, LLCNew Position+627K+$28.8B
Ranger Investment Management, L.P.New Position+623K+$28.6B
Nuveen, LLCIncreased+644K+$28.1B
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLCIncreased+280K+$23.6B
GOLDMAN SACHS GROUP INCIncreased+186K+$18.2B
Goodlander Investment Management, LLCIncreased+310K+$18.2B
DRIEHAUS CAPITAL MANAGEMENT LLCIncreased+266K+$18.0B
ADVENT INTERNATIONAL, L.P.Increased+257K+$17.9B

SEI — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
Point72 Asset Management, L.P.Decreased-1.1M-$41.9B
BRIGHTLINE CAPITAL MANAGEMENT, LLCDecreased-753K-$28.6B
SIR Capital Management, L.P.Decreased-599K-$22.9B
DISCOVERY CAPITAL MANAGEMENT, LLC / CTClosed Position-569K-$22.8B
TUDOR INVESTMENT CORP ET ALDecreased-148K-$18.7B
Squarepoint Ops LLCDecreased-250K-$14.1B
Portolan Capital Management, LLCDecreased-344K-$13.6B
Cubist Systematic Strategies, LLCClosed Position-234K-$9.3B
Concentric Capital Strategies, LPDecreased-207K-$7.7B
Quantbot Technologies LPClosed Position-161K-$6.5B
Assenagon Asset Management S.A.Decreased-168K-$5.4B
Schonfeld Strategic Advisors LLCClosed Position-133K-$5.3B
Trexquant Investment LPDecreased-96K-$4.7B
Appian Way Asset Management LPClosed Position-117K-$4.7B
ROYCE & ASSOCIATES LPDecreased-163K-$4.5B

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1Encompass Capital Advisors LLC2,559,543$117.7B4.80%Share
2SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC2,076,324$95.4B1.98%Share
3MILLENNIUM MANAGEMENT LLC1,845,050$84.0B0.04%Share
4GOLDMAN SACHS GROUP INC1,697,276$78.0B0.01%Share
5SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC1,560,000$71.7B1.49%Put
6PRINCIPAL FINANCIAL GROUP INC1,463,851$67.3B0.03%Share
7ADVENT INTERNATIONAL, L.P.1,263,809$58.1B1.20%Share
8DRIEHAUS CAPITAL MANAGEMENT LLC1,227,721$56.4B0.38%Share
9CITADEL ADVISORS LLC1,164,500$53.0B0.01%Share
10SUSQUEHANNA INTERNATIONAL GROUP, LLP1,167,000$53.0B0.01%Call
11TWO SIGMA INVESTMENTS, LP1,079,931$49.0B0.07%Share
12HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND1,021,000$46.0B0.08%Share
13Value Aligned Research Advisors, LLC975,939$44.9B0.45%Share
14Goodlander Investment Management, LLC960,000$44.1B16.86%Share
15FMR LLC952,550$43.0B0.00%Share
16FMR LLC902,777$41.0B0.00%Share
17Valiant Capital Management, L.P.734,499$33.8B1.91%Share
18WESTWOOD HOLDINGS GROUP INC689,768$31.7B0.26%Share
19DIMENSIONAL FUND ADVISORS LP686,730$31.0B0.01%Share
20WELLINGTON MANAGEMENT GROUP LLP681,246$31.0B0.01%Share
21KENNEDY CAPITAL MANAGEMENT LLC629,747$28.9B0.61%Share
22EMERALD ADVISERS, LLC626,692$28.8B0.89%Share
23Ranger Investment Management, L.P.623,213$28.6B1.97%Share
24TWO SIGMA ADVISERS, LP553,400$25.0B0.05%Share
25Ceredex Value Advisors LLC511,600$23.5B0.71%Share
26UBS Group AG488,517$22.5B0.00%Share
27WELLINGTON MANAGEMENT GROUP LLP490,253$22.0B0.00%Share
28Caption Management, LLC450,000$20.7B0.14%Call
29BARCLAYS PLC450,000$20.0B0.00%Call
30FMR LLC433,306$19.0B0.00%Share
31Sagefield Capital LP382,987$17.6B1.49%Share
32No Street GP LP375,000$17.2B1.16%Share
33CHARLES SCHWAB INVESTMENT MANAGEMENT INC376,277$17.0B0.00%Share
34Nuveen, LLC366,444$16.0B0.00%Share
35CenterBook Partners LP356,472$16.0B0.78%Share
36JENNISON ASSOCIATES LLC341,386$15.7B0.01%Share
37ROYCE & ASSOCIATES LP331,965$15.3B0.15%Share
38NORTHERN TRUST CORP332,065$15.0B0.00%Share
39DEUTSCHE BANK AG\347,450$15.0B0.00%Share
40EMERALD MUTUAL FUND ADVISERS TRUST312,027$14.3B0.70%Share
41AYAL Capital Advisors Ltd309,121$14.2B4.95%Share
42VOYA INVESTMENT MANAGEMENT LLC324,208$14.0B0.01%Share
43CITIGROUP INC314,218$14.0B0.01%Share
44BALYASNY ASSET MANAGEMENT L.P.310,988$14.0B0.02%Share
45BARCLAYS PLC312,210$14.0B0.00%Share
46Aventail Capital Group, LP300,069$13.8B0.79%Share
47Penn Capital Management Company, LLC288,343$13.3B1.06%Share
48BANK OF NOVA SCOTIA267,078$12.0B0.02%Share
49Nuveen, LLC275,604$12.0B0.00%Share
50Ratan Capital Management LP250,095$11.5B3.16%Share

SEI Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025335$1.9T+126
Q3 2025209$1.4T+31
Q2 2025178$683.8B-23
Q1 2025201$801.9B+28
Q4 2024173$7.7T+58
Q3 2024115$8.0T+5
Q2 2024110$9.3T+0
Q1 2024110$9.3T—

Similar Stocks by Institutional Ownership

XOM

Exxon Mobil Corporation

CVX

Chevron Corporation

SHEL

Shell plc

TTE

TotalEnergies SE

COP

ConocoPhillips

PBR

Petróleo Brasileiro S.A. - Petrobras

ENB

Enbridge Inc.

BP

BP p.l.c.

As of Q4 2025, 50 institutional investors hold SEI (Solaris Energy Infrastructure, Inc.). The largest holder is Encompass Capital Advisors LLC with $117.7B in shares. This quarter, 6 institutions opened new positions and 5 closed their positions.

Frequently Asked Questions

How many hedge funds own SEI?

As of Q4 2025, 50 institutional investors report holding SEI (Solaris Energy Infrastructure, Inc.) in their 13F filings.

Who is the largest institutional holder of SEI?

The largest institutional holder of SEI is Encompass Capital Advisors LLC with $117.7B in shares.

Is institutional ownership of SEI increasing or decreasing?

This quarter, 6 institutions opened new positions in SEI and 5 closed their positions.