Rice Investment Group (RIG) is a multi-strategy investment fund backed by the Rice family that invests across all verticals of the energy sector, including oil, upstream, midstream, and energy transition. The Rice brothers previously founded Rice Energy, an Appalachian Basin natural gas producer.
70% of their portfolio is in Climate & Energy. Their most common stage is series-a (40% of deals). Average disclosed round size is $34.5M (across 9 rounds with reported amounts).
Portfolio
7
Fund Size
$200M
Top Stage
Series A
Last 12 Mo
0
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
10 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| MMontana Technologies | Series A | $10M | Feb 2024 |
 Talus Renewables | Series A | $22M | Nov 2023 |
 PERSEFONI AI INC. | Series C | $50M | Aug 2023 |
 LandGate | Series B | $10M | May 2022 |
 Cold Bore Technology | Series C | $14M | Jul 2021 |
| PERSEFONI AI INC. | Series A | $9.7M | Apr 2021 |
 Umbrage | Seed | $2M | Mar 2021 |
| PERSEFONI AI INC. | Seed | $3.5M | Aug 2020 |
| LandGate | Series A | — | — |
 Trinity Gas Storage | Unknown | $189M | — |
Top Co-Investors
Alumni Ventures3 shared
Carnrite Ventures2 shared
Innovation Endeavors1 shared
Prelude Ventures1 shared
ENEOS Innovation Partners1 shared
Parkway Venture Capital1 shared
Clearvision Ventures1 shared
RRE Ventures1 shared
Material Impact1 shared
Cavallo Ventures1 shared
Xora1 shared
NGP ETP1 shared
Canadian Business Growth Fund1 shared
bp ventures1 shared
Last updated: 8 September 2026