# Encap Flatrock Midstream

> Encap Flatrock Midstream is an exempt reporting adviser in San Antonio, TX, filing reports since 2012. Exempt reporting advisers do not report regulatory assets under management on Form ADV.

- CRD: 161237
- Filed as: ENCAP FLATROCK MIDSTREAM
- Legal name: Flatrock Energy Advisors, LLC
- Reporting status: Exempt reporting adviser (status as filed: ERA - Active)
- Location: San Antonio, TX
- Filing period: October 2026
- Form ADV filing dated: March 30, 2026
- Public record (IAPD): https://adviserinfo.sec.gov/firm/summary/161237
- AdvisorCensus page: https://advisorcensus.com/firm/encap-flatrock-midstream-san-antonio-tx-161237

## Quick answers

**Where is Encap Flatrock Midstream located?**
Encap Flatrock Midstream's principal office is in San Antonio, TX, according to its Form ADV; the April 2026 filing also lists 1 other office (Schedule D, Section 1.F).

**How does Encap Flatrock Midstream report to regulators?**
Encap Flatrock Midstream is an exempt reporting adviser, filing reports since 2012. Exempt reporting advisers file a shorter Form ADV. Status as filed: ERA - Active. CRD 161237.

**Does Encap Flatrock Midstream report any disciplinary disclosures?**
Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's public record on IAPD: https://adviserinfo.sec.gov/firm/summary/161237

**What changed in Encap Flatrock Midstream's recent Form ADV filings?**
In the April 2026 filing data: No longer lists the business name Encap Flatrock Midstream Fund III-C Cayman GP, LLC. No longer lists the business name Encap Flatrock Midstream Fund IV-C Cayman GP, LLC. No longer lists the business name Encap Flatrock Midstream Fund II-C Cayman GP, LLC. No longer lists the business name Encap Flatrock Midstream Fund III-D GP, LLC. No longer lists the business name Encap Flatrock Midstream Fund IV-D GP, LLC. No longer lists the business name Encap Flatrock Midstream Fund III GP, L.P.. No longer lists the business name Encap Flatrock Midstream Fund II-D GP, LLC. No longer lists the business name Encap Flatrock Midstream Fund IV GP, L.P.. No longer lists the business name Encap Flatrock Midstream Fund II GP, L.P.. No longer lists the business name Encap Flatrock Midstream Fund V GP, L.P.. No longer lists the business name EFM-Rangeland IV AIV GP, LLC. No longer lists an office in Edmond, OK. Updated its list of owners and control persons (Schedule A).

## From the Form ADV filing

### Firm details
- Reporting since: 2012 (14 years)
- Employees: Not reported total, Not reported performing advisory functions
- Wrap fee program participation: Not reported
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Other offices (Schedule D, Section 1.F), as of the April 2026 filing
- Houston, TX

### Websites listed on Form ADV (Item 1.I)
- efmidstream.com
- LinkedIn @encap-flatrock-midstream

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | Not reported | Not reported | March 30, 2021 |
| October 2022 | Not reported | Not reported | March 31, 2022 |
| October 2023 | Not reported | Not reported | March 30, 2023 |
| October 2024 | Not reported | Not reported | March 28, 2024 |
| October 2025 | Not reported | Not reported | March 31, 2025 |
| October 2026 | Not reported | Not reported | March 30, 2026 |


## Changes in the filing (last 12 months)

### April 2026
- No longer lists the business name Encap Flatrock Midstream Fund III-C Cayman GP, LLC.
- No longer lists the business name Encap Flatrock Midstream Fund IV-C Cayman GP, LLC.
- No longer lists the business name Encap Flatrock Midstream Fund II-C Cayman GP, LLC.
- No longer lists the business name Encap Flatrock Midstream Fund III-D GP, LLC.
- No longer lists the business name Encap Flatrock Midstream Fund IV-D GP, LLC.
- No longer lists the business name Encap Flatrock Midstream Fund III GP, L.P..
- No longer lists the business name Encap Flatrock Midstream Fund II-D GP, LLC.
- No longer lists the business name Encap Flatrock Midstream Fund IV GP, L.P..
- No longer lists the business name Encap Flatrock Midstream Fund II GP, L.P..
- No longer lists the business name Encap Flatrock Midstream Fund V GP, L.P..
- No longer lists the business name EFM-Rangeland IV AIV GP, LLC.
- No longer lists an office in Edmond, OK.
- Updated its list of owners and control persons (Schedule A).

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Encap Flatrock Midstream (CRD 161237): Form ADV filing data as of October 2026.