Solaris Energy Infrastructure, Inc.
MX ˙ BMV ˙ US83418M1036
SecurityMX:SEI / Solaris Energy Infrastructure, Inc.
InstitutionGsa Capital Partners Llp
Latest Disclosed Ownership21,312 shares
Latest Disclosed Value $ 1,204
Gsa Capital Partners Llp reports 213.04% increase in ownership of SEI / Solaris Energy Infrastructure, Inc.

On May 8, 2026 - Gsa Capital Partners Llp filed a 13F-HR form disclosing ownership of 21,312 shares of Solaris Energy Infrastructure, Inc. (MX:SEI) valued at $1,204 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 6, 2026 disclosing 6,808 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.

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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)
2026-05-08 2026-03-31 13F SOLARIS ENERGY INFRAS COM CL A 83418M103 21,312 14,504 213.04 1 0.0749
2026-02-06 2025-12-31 13F SOLARIS ENERGY INFRAS COM CL A 83418M103 6,808 -2,535 -27.13 0 0.0270
2025-11-07 2025-09-30 13F SOLARIS ENERGY INFRAS COM CL A 83418M103 9,343 9,343 0 0.0311
2025-02-07 2024-12-31 13F SOLARIS ENERGY INFRAS COM CL A 83418M103 0 -98,791 -100.00 0 -100.00
2024-11-05 2024-09-30 13F SOLARIS ENERGY INFRAS COM CL A 83418M103 98,791 -159,480 -61.75 1 -50.00 0.0952
2024-08-15 2024-06-30 13F SOLARIS OILFIELD INFRASTRUCT COM CL A 83418M103 258,271 35,076 15.72 2 100.00 0.1549
2024-05-03 2024-03-31 13F SOLARIS OILFIELD INFRASTRUCT COM CL A 83418M103 223,195 5,595 2.57 2 0.00 0.1537
2024-02-16 2023-12-31 13F SOLARIS OILFIELD INFRASTRUCT COM CL A 83418M103 217,600 135,281 164.34 2 0.1456
2023-11-15 2023-09-30 13F SOLARIS OILFIELD INFRASTRUCT COM CL A 83418M103 82,319 37,362 83.11 1 0.0752
2023-08-14 2023-06-30 13F SOLARIS OILFIELD INFRASTRUCT COM CL A 83418M103 44,957 -132,528 -74.67 0 -100.00 0.0374
2023-05-12 2023-03-31 13F SOLARIS OILFIELD INFRASTRUCT COM CL A 83418M103 177,485 73,166 70.14 2 0.00 0.1500
2023-02-13 2022-12-31 13F SOLARIS OILFIELD INFRASTRUCT COM CL A 83418M103 104,319 48,565 87.11 1 -99.81 0.1286
2022-11-14 2022-09-30 13F SOLARIS OILFIELD INFRASTRUCT COM CL A 83418M103 55,754 43,919 371.09 522 304.65 0.0692
2022-08-09 2022-06-30 13F SOLARIS OILFIELD INFRASTRUCT COM CL A 83418M103 11,835 -3,842 -24.51 129 -27.12 0.0194
2022-05-11 2022-03-31 13F SOLARIS OILFIELD INFRASTRUCT COM CL A 83418M103 15,677 15,677 177 0.0238
2020-05-12 2020-03-31 13F SOLARIS OILFIELD INFRSTR COM CL A 83418M103 0 -38,584 -100.00 0 -100.00
2020-02-12 2019-12-31 13F SOLARIS OILFIELD INFRSTR COM CL A 83418M103 38,584 -3,166 -7.58 540 -3.57 0.0629
2019-11-12 2019-09-30 13F SOLARIS OILFIELD INFRSTR COM CL A 83418M103 41,750 11,396 37.54 560 23.08 0.0757
2019-08-06 2019-06-30 13F SOLARIS OILFIELD INFRSTR COM CL A 83418M103 30,354 30,354 455 0.0510
2018-11-13 2018-09-30 13F SOLARIS OILFIELD INFRSTR COM CL A 83418M103 0 -62,979 -100.00 0 -100.00
2018-08-09 2018-06-30 13F SOLARIS OILFIELD INFRSTR COM CL A 83418M103 62,979 62,979 900 0.0446
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.