United States · 
What does EnCap Flatrock Midstream invest in?
EnCap Flatrock Midstream invests most often at Growth (100% of the rounds on record), in sectors such as Midstream.
EnCap Flatrock Midstream highlights
- 01
6 rounds on record
- 02
Mostly Growth: 100% of its rounds
- 03
Sole investor in 6 rounds, median $163M
What they do
EnCap Flatrock Midstream (EFM) creates value by making targeted venture capital investments in the best midstream management teams.From their own website
- Type
- VC firm
- Cheque size
- Not stated
- Sectors
- Midstream
- Based in
- San Antonio, United States
- Cold pitches
- Not stated
The record
Every round we can evidence, newest first6 appearances
- 2018
1 round
- Aug
- 2015
1 round
- Mar
- 2014
2 rounds
- Apr
- Feb
- 2013
1 round
- May
- 2012
1 round
- Feb
An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.
The team
Named by the firm itself, on a filing, its Form ADV or its company registration16 named
DMD. Martin PhillipsManaging Partner of Member of General Partner of Sole Member of General PartneriFiling they signed
DBDavid B. MillerManaging Partner of Member of General Partner of Sole Member of General PartneriFiling they signed
DJDavid Joseph KurtzManaging Partner of Member of General Partner of Sole Member of General PartneriFiling they signed
DFDennis F. JaggiManaging Partner of Member of General Partner of Sole Member of General PartneriFiling they signed
DEDouglas E. Swanson, Jr.Managing Partner of Member of General Partner of Sole Member of General PartneriFiling they signed
EME. Murphy Markham IVManaging Partner of Member of General Partner of Sole Member of General PartneriFiling they signed
GRGary R. PetersenManaging Partner of Member of General Partner of Sole Member of General PartneriFiling they signed
GCGregory Charles KingManaging Partner of Member of General Partner of Sole Member of General PartneriFiling they signed
JMJason M. DeLorenzoManaging Partner of Member of General Partner of Sole Member of General PartneriFiling they signed
MLMorriss L. HurtManaging Partner of Member of General Partner of General PartneriFiling they signed
RLRobert L. ZorichManaging Partner of Member of General Partner of Sole Member of General PartneriFiling they signed
SGSam G PittsManaging PartneriForm ADV
SGSamuel G. PittsManaging Partner of Member of General Partner of General PartneriFiling they signed
WDWilliam D. WaldripManaging Partner of Member of General Partner of Sole Member of General PartneriFiling they signed
WRWilliam Robert LemmonsManager of General Partner of General PartneriFiling they signed
WRWilliam R. Lemmons, Jr.Managing Partner of Member of General Partner of Sole Member of General PartneriFiling they signed
We also hold 31 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.
What the register says
From the firm's own filings with the SEC, which it must file accurately by law
Exemptreporting adviserventure or small private funds
- Legal name
- Flatrock Energy Advisors, LLC
- SEC number
- CRD 161237
Who backs their funds
1 LP on record in EnCap Flatrock Midstream's funds
- Committed
- $151M
- Funds
- 2
- Vintages
- 2014 to 2018
The institutions that put money into its funds, which the firm then invests in companies.Source: the pension's own report, latest Jun 2025.
- California State Teachers Retirement System2 funds$151M
Fund Vintage Committed Encap Flatrock Midstream Fund IV 2018 $91M Encap Flatrock Midstream Fund III 2014 $60M
What they claim to have backed
From their own portfolio page (on their website)
0 of 2 we have independently watched raise
Frontier EnergyManchester Energy
Weaker than a round we watched, stronger than a list somebody sold us. A firm is far less willing to put a company on its own site that it never funded.