Fundraising FoxElda River
Institutional investorHouston · 22 people tracked
Also known as Elda River Capital Management, Llc
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Investment thesis
Elda River invests in businesses powering the global economy, with a focus on energy and energy infrastructure. The firm employs a differentiated approach centered on direct sourcing and strong alignment with talented executives. It has committed over $7.4 billion of capital across 74 investments since inception, deploying capital across multiple end markets and successfully navigating multiple investment cycles on behalf of large institutional investors including pension funds, insurance companies, and endowments. The senior team brings decades of combined experience helping companies drive growth, manage risk, and achieve commercial success, benefiting from significant continuity having worked together for over 18 years.
Source: firm website, verified Sep 29, 2026.
Team · 22 people
from the firm's website & curated
What they invest in
from 4 of 6 portfolio companiesEnergy ×4Cleantech ×3Climate Tech ×2Advanced Manufacturing ×1AgTech ×1Hardware ×1New Materials ×1
HQs:United States×4
Investments · 6 tracked
founders shown can be your intro pathDouble Eagle Energy V is an oil and gas company that acquires leasehold interests and mineral royalties and pursues development projects, focused on the Permian Basin and operating across Texas, the Rockies, and the Mid-Continent.
EnergyFort Worth, US
Co-investorsEnCap Energy Transition
Lightstar develops, builds, and operates community solar projects across the United States and internationally, focusing on environmental stewardship and benefits to local communities and ecology.
AgTechCleantechClimate TechEnergyBoston, US
Paul Wheeler(Founder, Chairman of the Board)in
Microporous manufactures battery separators, including polyethylene separators for lithium-ion batteries and AGM batteries, serving the EV and energy storage markets.
Advanced ManufacturingCleantechEnergyNew MaterialsPiney Flats, US
John Reeves(CEO)inNullo Madella(VP of Sales and Marketing)inDoug Rich(President)in
Co-investorsIndustrial Growth Partners
Spearmint Energy develops battery energy storage systems (BESS) projects that reduce waste and provide grid-scale energy solutions.
CleantechClimate TechEnergyHardwareEden Prairie, US
Andrew Waranch(Founder, President and Chief Executive Officer)in
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
Vesper
Portfolio news
latest coverage across their companiesMicroporous · finsmes.com · Apr 30, 2026
Fund performance · per public LP disclosures · 4
as of Dec 2025| Fund | Vintage | Committed | Net IRR | TVPI | DPI |
|---|---|---|---|---|---|
| Elda River Opportunities Fund II LLCLPs: Texas Municipal Retirement System | — | — | 10.9% | 1.58x | 1.58x |
| Elda River Opportunities Fund III LLCLPs: Texas Municipal Retirement System | — | — | 24.1% | 1.82x | 1.27x |
| Elda River Opportunities Fund IV LLCLPs: Texas Municipal Retirement System | — | — | 0.5% | 1.01x | 0.02x |
| Elda River Zilker AV1 LLCLPs: Texas Municipal Retirement System | — | — | 6.8% | 1.18x | — |
Source: public limited-partner disclosures (CalPERS, CalSTRS). Net IRR / TVPI / DPI as reported by the limited partner; a fund's early-year IRR is an interim estimate (J-curve).
Frequently asked questions
- How many investments has Elda River made?
- Elda River has 6 tracked investments, including 1 dated in the last 24 months.
- What sectors does Elda River focus on?
- Elda River focuses on Energy.
- Where is Elda River located?
- Elda River is headquartered in Houston, US.
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