Solaris Energy Infrastructure, Inc.
MX ˙ BMV ˙ US83418M1036
SecurityMX:SEI / Solaris Energy Infrastructure, Inc.
InstitutionNorges Bank
Latest Disclosed Ownership44,000 shares
Latest Disclosed Value $ 2,022,680
Norges Bank ownership in SEI / Solaris Energy Infrastructure, Inc.

On February 10, 2026 - Norges Bank filed a 13F-HR form disclosing ownership of 44,000 shares of Solaris Energy Infrastructure, Inc. (MX:SEI) valued at $2,022,680 USD as of December 31, 2025. The entity filed a previous 13F-HR on February 14, 2023 disclosing 0 shares of Solaris Energy Infrastructure, Inc..

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

Upgrade to unlock premium data and export to Excel .

Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-02-10 2025-12-31 13F SOLARIS ENERGY INFRAS COM CL A 83418M103 44,000 44,000 2,023 0.0002
2023-02-14 2022-12-31 13F SOLARIS OILFIELD INFRASTRUCT COM CL A 83418M103 0 -164,024 -100.00 0 -100.00
2023-11-13 2022-09-30 13F/A-1 SOLARIS OILFIELD INFRASTRUCT COM CL A 83418M103 164,024 0 0.00 1,535 -13.96 0.0004
2023-08-14 2022-06-30 13F/A-1 SOLARIS OILFIELD INFRASTRUCT COM CL A 83418M103 164,024 41,824 34.23 1,785 29.37 0.0005
2023-05-12 2022-03-31 13F/A-1 SOLARIS OILFIELD INFRASTRUCT COM CL A 83418M103 122,200 122,200 1,380 0.0003
2021-11-05 2021-09-30 13F SOLARIS OILFIELD INFRASTRUCT COM CL A 83418M103 0 -141,200 -100.00 0 -100.00
2022-08-15 2021-06-30 13F/A-1 SOLARIS OILFIELD INFRASTRUCT COM CL A 83418M103 141,200 101,100 252.12 1,375 179.47 0.0003
2022-05-09 2021-03-31 13F/A-1 SOLARIS OILFIELD INFRASTRUCT COM CL A 83418M103 40,100 -97,438 -70.84 492 -56.07 0.0001
2021-03-02 2020-12-31 13F/A-1 SOLARIS OILFIELD INFRSTR COM CL A 83418M103 137,538 0 0.00 1,120 28.44 0.0003
2021-11-12 2020-09-30 13F/A-1 SOLARIS OILFIELD INFRSTR COM CL A 83418M103 137,538 37,538 37.54 872 -47.34 0.0002
2019-05-15 2018-03-31 13F/A-2 SOLARIS OILFIELD INFRAST-A COM CL A 83418M103 100,000 0 0.00 1,656 -22.65 0.0006
2018-03-05 2017-12-31 13F/A-1 SOLARIS OILFIELD INFRAST-A COM CL A 83418M103 100,000 0 0.00 2,141 22.83 0.0008
2018-11-13 2017-09-30 13F/A-1 SOLARIS OILFIELD INFRAST-A COM CL A 83418M103 100,000 0 0.00 1,743 51.17 0.0007
2018-07-24 2017-06-30 13F/A-1 SOLARIS OILFIELD INFRAST-A COM CL A 83418M103 100,000 100,000 1,153 0.0005
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.