/Investor DB

Breakthrough Energy Ventures — 2018 Investments

5 investments dated 2018 · listed companies and verified rows first · show all

Quidnetquidnetenergy.cominMay 2018

Quidnet Energy develops geomechanical energy storage technology that repurposes existing oil, gas, and hydroelectric infrastructure to provide grid-scale, long-duration energy storage.

CleantechDeep TechEnergyHardwareHouston, US

Aaron Mandell(Executive Officer)inDagong Zhou(Executive Officer, Director)Joe Zhou(CEO)inHoward Schmidt(Director)

BoardMatthew Nordan(Director)in

Board seatChristina Karapataki· per SEC Form D

Co-investorsClean Energy VentureCongruent VenturesHelium-3 VenturesNXT VenturesSorenson Impact FoundationClean Energy Ventures+1 more

Mainspring Energymainspringenergy.cominSeries C · Jan 2018 · $83M

Mainspring Energy develops power generation systems.

Deep TechEnergyHardware

Shannon Miller(Founder)inAdam Simpson(Founder)Matt Svrcek(Founder)

BoardTom Linebarger(Chairman & Chief Executive Officer)

Co-investorsKhosla VenturesAlumni VenturesClearSkyDCVC (Data Collective)Fine Structures VenturesGeneral Catalyst+5 more

Pivot Biopivotbio.comin𝕏Sep 2018

Pivot Bio develops agricultural innovations focused on transforming farming practices through microbiology and genetics.

AgTechBiotechEmeryville, US

Alvin Tamsir(Founder)inKarsten Temme(Founder)inAlvin Tamsir, Ph.D.(Chief Science Officer & Co-Founder)Karsten Temme, Ph.D.(Chief Innovation Officer and Co-Founder)Chris Abbott(Chief Executive Officer)in

BoardRoger Wyse(Director)in

Co-investorsCongruent VenturesDCVC (Data Collective)G2 Venture PartnersHercules Capital, Inc.K3 VenturesK3V Ventures+12 more

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

Baseload RenewablesValanbio Therapeutics

Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.