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Compare · MNTK vs SRE

MNTK vs SRE

Side-by-side comparison of Montauk Renewables Inc. (MNTK) and DBA Sempra (SRE): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both MNTK and SRE operate in Natural Gas Distribution (Utilities), so they compete in similar markets.
  • SRE is the larger of the two at $59.40B, about 246.9x MNTK ($240.6M).
  • Over the past year, MNTK is down 24.3% and SRE is up 19.6% - SRE leads by 44.0 points.
  • SRE has been more active in the news (10 items in the past 4 weeks vs 5 for MNTK).
  • SRE has more recent analyst coverage (25 ratings vs 7 for MNTK).
PerformanceMNTK-24.33%SRE+19.62%
2025-06-10+0.00%2026-06-09
MetricMNTKSRE
Company
Montauk Renewables Inc.
DBA Sempra
Price
$1.70-2.02%
$90.84+2.03%
Market cap
$240.6M
$59.40B
1M return
+27.44%
-0.75%
1Y return
-24.33%
+19.62%
Industry
Natural Gas Distribution
Natural Gas Distribution
Exchange
NASDAQ
NYSE
IPO
2021
News (4w)
5
10
Recent ratings
7
25
MNTK

Montauk Renewables Inc.

Montauk Renewables, Inc., a renewable energy company, engages in recovery and processing of biogas from landfills and other non-fossil fuel sources. The company develops, owns, and operates renewable natural gas (RNG) projects that capture methane and prevents it from being released into the atmosphere by converting it into either RNG or electrical power for the electrical grid. Its customers for RNG and renewable identification numbers include long-term owner-operators of landfills and livestock farms, investor-owned and municipal electricity utilities, and refiners in the natural gas and refining sectors. Montauk Renewables, Inc. was incorporated in 2020 and is headquartered in Pittsburgh, Pennsylvania.

SRE

DBA Sempra

Sempra operates as an energy-services holding company in the United States and internationally. The company's San Diego Gas & Electric Company segment generates, transmits, and distributes electricity; and supplies natural gas. It offers electric services to approximately 3.7 million population and natural gas services to approximately 3.4 million population that covers 4,100 square miles. Its Southern California Gas Company segment owns and operates a natural gas distribution, transmission, and storage system that supplies natural gas to a population of approximately 22 million covering an area of 24,000 square miles. The company's Sempra Texas Utilities segment engages in the regulated transmission and distribution of electricity serving 3.7 million homes and businesses, and operation of 139,000 miles of transmission and distribution lines. Its transmission system includes 18,127 circuit miles of transmission lines, 336 transmission stations, and 806 distribution substations; distribution system comprises 121,129 miles of overhead and underground lines; and 63 miles of electric transmission lines. The company's Sempra Mexico segment develops, owns, operates, or holds interests in natural gas, electric, LNG, LPG, ethane, and liquid fuels infrastructure; purchases LNG; purchases and sells natural gas; and operates natural-gas-fired, and wind and solar power generation facilities. Its assets/facilities consist of 1,850 miles of natural gas transmission pipelines, 15 compressor stations, and 139 miles of ethane pipelines; and 2,729 miles of natural gas distribution pipelines. Its Sempra LNG segment develops and builds natural gas liquefaction export facilities; holds an interest in a facility for the export of LNG; owns and operates natural gas pipelines; and buys, sells, and transports natural gas. The company was formerly known as Sempra Energy and changed its name to Sempra in July 2021. Sempra was founded in 1998 and is headquartered in San Diego, California.

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