YLEM

ActiveVenture Capital

Website X

Updated: Jan 22, 2026 ·

Financial History

Total Raised

N/A

Valuation

N/A

Investments Made

Date	Company	Round	Lead Investor(s)	Co-Investor(s)
May 1, 2025	Realta Fusion	$36.0M Series A	—	Andreessen Horowitz, AngelList, Bascom Ventures, Breakthrough Energy Ventures, Buckley Ventures, Ali Tamaseb, Divergence Ventures, Founder Collective, Future Ventures, Greylock, Helium-3 Ventures, Khosla Ventures, Liquid 2 Ventures, Quiet Capital, Rivet Ventures, Scale Asia Ventures, Solana Ventures, The Venture Reality Fund, TitletownTech, Unruly Capital, UpHonest Capital, Y Combinator, Arash Ferdowsi, Aston Motes, Augusto Marietti, Dylan Field, Eden Chen, Howie Liu, Immad Akhund, Jack Smith, James Gwertzman, Matt Bellamy, Nate Mitchell, Paul McKellar, Sumon Sadhu
Feb 1, 2025	CTGT	$7.0M Seed	—	468 Capital, Ballistic Ventures, Canaan Partners, Correlation Ventures, Day One Ventures, DST Global, Emergence Capital, Felicis Ventures, First Round Capital, Flex Capital, Friends & Family Capital, Global Founders Capital, Gradient Ventures, Greenoaks Capital, Matrix, Otherwise Fund, S28 Capital, Spark Capital, Summit Partners, SV Angel, Theory Forge Ventures, Uncork Capital, Y Combinator, Augusto Marietti, Azeem Azhar, Ben Tossell, David Lieb, Kulveer Taggar, Mathilde Collin, Paul Stahura, Siqi Chen, Thijn Lamers
Sep 1, 2024	Fountain	$4.0M Seed	—	ACME Capital, B Capital Group, DCM, Kindred Ventures, Kleiner Perkins, Origin Ventures, Uncork Capital, Winklevoss Capital, Jason Wang, Mark Goines, Omar El-Ayat, Richard Din, Sean Behr, Shervin Pishevar
Sep 1, 2024	Simple AI	$500K Seed	—	Andreessen Horowitz, AngelList, Buckley Ventures, Ali Tamaseb, Divergence Ventures, Founder Collective, Future Ventures, Greylock, Helium-3 Ventures, Liquid 2 Ventures, Quiet Capital, Rivet Ventures, Scale Asia Ventures, Solana Ventures, Unruly Capital, UpHonest Capital, Y Combinator, Arash Ferdowsi, Aston Motes, Augusto Marietti, Dylan Field, Howie Liu, Immad Akhund, Jack Smith, Matt Bellamy, Paul McKellar, Sumon Sadhu
Sep 1, 2024	AudiencePlus	$7.0M Seed	—	8VC, Abstract Ventures, Kevin Hartz, AirAngels, Alt Capital, Alumni Ventures, Banana Capital, Cowboy Ventures, Earl Grey Capital, Emergence Capital, Felicis Ventures, Founders Fund, Greylock, High Alpha, Jude Gomila Rolling Fund, Kearny Jackson, Mayfield, Menlo Ventures, Meritech Capital Partners, Mischief Venture Capital, Night Capital, Offline Ventures, Pioneer Fund, Streamlined Ventures, Stripe, Tealium, Matt Garratt, XFactor Ventures, Y Combinator, Akshay Bhargava, Avid Larizadeh, Ben Porterfield, David Petersen, Eric Ries, Frederic Kerrest, Gordon Wintrob, Jason Tolkin, Jeremy Cai, Jon Runyan, Louis Beryl, Mathilde Collin, Max Mullen, Mike Kourey, Paul Rios, Ryan Carlson, Ryan Chan, Scott Belsky, Siqi Chen, Tony Xu, Vibhu Mittal, Zack Kanter
Apr 1, 2024	Pigment	$140.0M Series D	—	9Yards Capital, Abstract Ventures, Kevin Hartz, Accel, AirAngels, Album VC, Alt Capital, Alumni Ventures, Andreessen Horowitz, Banana Capital, Earl Grey Capital, Founders Fund, Greenoaks Capital, Haun Ventures, ICONIQ Capital, Insight Partners, IVP, Jude Gomila Rolling Fund, K2 Global, Kearny Jackson, Mars Growth Capital, Menlo Ventures, Meritech Capital Partners, Mischief Venture Capital, NFX, Offline Ventures, Paradigm, Pareto Holdings, Pioneer Fund, Redpoint Ventures, Ribbit Capital, Stripe, Tribe Capital, TTV Capital, Vera Equity, Vine Ventures LP, Winklevoss Capital, Amir Jerbi, Anthony Pompliano, Bill Ackman, Dan Wright, David Petersen, Eric Ries, Frederic Kerrest, Gordon Wintrob, Jeremy Cai, Jon Runyan, Kunal Shah, Mathilde Collin, Max Mullen, Paul Rios, Ryan Carlson, Ryan Chan, Sasha Mirchandani, Scott Belsky, Siqi Chen, Tomer Levy, Tony Xu, Zack Kanter
Mar 1, 2024	Picogrid	$12.0M Seed	—	Abstract Ventures, Kevin Hartz, AirAngels, Alt Capital, Alumni Ventures, Banana Capital, Earl Grey Capital, First Round Capital, Founders Fund, Initialized Capital, Jude Gomila Rolling Fund, Kearny Jackson, Menlo Ventures, Meritech Capital Partners, Mischief Venture Capital, Offline Ventures, Pioneer Fund, Satgana, Stripe, Y Combinator, Dan Wright, David Petersen, Eric Ries, Frederic Kerrest, Gordon Wintrob, Jeremy Cai, Jon Runyan, Mathilde Collin, Max Mullen, Paul Rios, Ryan Carlson, Ryan Chan, Scott Belsky, Siqi Chen, Tony Xu, Zack Kanter
Mar 1, 2024	Big Sur AI	$7.0M Seed	—	Andreessen Horowitz, AngelList, Buckley Ventures, Ali Tamaseb, Divergence Ventures, Founder Collective, Future Ventures, Greylock, Helium-3 Ventures, Lightspeed Venture Partners, Liquid 2 Ventures, Quiet Capital, Rivet Ventures, Scale Asia Ventures, Solana Ventures, Unruly Capital, UpHonest Capital, Y Combinator, Arash Ferdowsi, Aston Motes, Augusto Marietti, Dylan Field, Howie Liu, Immad Akhund, Jack Smith, Matt Bellamy, Paul McKellar, Sumon Sadhu
Jan 1, 2024	Tab	$2.0M Seed	—	Andreessen Horowitz, AngelList, Buckley Ventures, Ali Tamaseb, Divergence Ventures, FirstHand Alliance, Founder Collective, Future Ventures, Gradient Ventures, Greylock, Helium-3 Ventures, Liquid 2 Ventures, Pareto Holdings, Quiet Capital, Rivet Ventures, Scale Asia Ventures, Solana Ventures, Unruly Capital, UpHonest Capital, Y Combinator, Arash Ferdowsi, Aston Motes, Augusto Marietti, Dylan Field, Howie Liu, Immad Akhund, Jack Smith, Matt Bellamy, Nitay Joffe, Paul McKellar, Sumon Sadhu
Oct 1, 2023	Noble XYZ	$3.0M Seed	—	01 Ventures, Andreessen Horowitz, AngelList, Buckley Ventures, Ali Tamaseb, Kevin Ding, DHVC (Digital Horizon Capital), Divergence Ventures, Founder Collective, Future Ventures, Greylock, Helium-3 Ventures, Liquid 2 Ventures, ParaFi Capital, Polygon, Quiet Capital, Rivet Ventures, Scale Asia Ventures, Solana Ventures, Unruly Capital, UpHonest Capital, Woodstock Fund, Y Combinator, Ajit Tripathi, Arash Ferdowsi, Aston Motes, Augusto Marietti, Balaji Srinivasan, Dylan Field, Howie Liu, Immad Akhund, Jack Smith, Johannes De Waal, John Lilic, Matt Bellamy, Paul McKellar, Sumon Sadhu
Sep 1, 2023	Freatic	$4.0M Seed	—	500 Global, Andreessen Horowitz, AngelList, Bain Capital Crypto, Browder Capital, Buckley Ventures, Ali Tamaseb, Divergence Ventures, Founder Collective, Future Ventures, Greylock, Helium-3 Ventures, KR1, Liquid 2 Ventures, Maven 11 Capital, Placeholder, Quiet Capital, Rivet Ventures, Scale Asia Ventures, Solana Ventures, Unruly Capital, UpHonest Capital, Y Combinator, Arash Ferdowsi, Aston Motes, Augusto Marietti, Balaji Srinivasan, Dylan Field, Howie Liu, Immad Akhund, Jack Smith, Matt Bellamy, Paul McKellar, Sumon Sadhu
Mar 1, 2023	AdsGency AI	$260K Seed	—	Acorn Pacific Ventures, Andreessen Horowitz, AngelList, Buckley Ventures, Ali Tamaseb, Divergence Ventures, Founder Collective, Future Ventures, Greylock, Helium-3 Ventures, Hyde Park Venture Partners, Liquid 2 Ventures, Quiet Capital, Rivet Ventures, Scale Asia Ventures, Solana Ventures, Unruly Capital, UpHonest Capital, Y Combinator, Arash Ferdowsi, Aston Motes, Augusto Marietti, Dylan Field, Howie Liu, Immad Akhund, Jack Smith, Matt Bellamy, Paul McKellar, Sumon Sadhu
Feb 1, 2023	Yodawy	$16.0M Series B	—	Advent Life Sciences, Canyon Creek, Draper Associates, DX Ventures, F-Prime Capital Partners, Global Ventures, Maverick Capital, NEO, One Planet Group, Pitbull Ventures, Questa Capital, Think + Ventures, Curtis Chambers, Farhad Mohit, Russell Cook, Scott Banister
Feb 1, 2023	Beek	$13.0M Series A	—	Andreessen Horowitz, AngelList, B2 Founders, Buckley Ventures, Ali Tamaseb, Divergence Ventures, Electric Capital, Founder Collective, Future Ventures, Greylock, Helium-3 Ventures, HOF Capital, Infinite Niches, iNovia Capital, Lightspeed Venture Partners, Liquid 2 Ventures, NFX, Quiet Capital, Rivet Ventures, Scale Asia Ventures, Scale Venture Partners, Solana Ventures, SuperAngel.Fund, Unruly Capital, UpHonest Capital, Y Combinator, Arash Ferdowsi, Aston Motes, Augusto Marietti, Dylan Field, Fabian Gomez Gutierrez, Felipe Villamarin, Howie Liu, Immad Akhund, Jack Smith, Matias Woloski, Matt Bellamy, Paul McKellar, Sam Altman, Sumon Sadhu
Jan 1, 2023	Levels	$7.0M Series A	—	01 Advisors, AAF Management Ltd., AirAngels, Andreessen Horowitz, AngelList, Backed VC, Basecamp Fund, Brainchild, Buckley Ventures, CrunchFund, Ali Tamaseb, Divergence Ventures, Founder Collective, Future Ventures, Greylock, Helium-3 Ventures, Incisive Ventures, KW Angel Fund, Liquid 2 Ventures, Long Journey Ventures, Pioneer Square Labs, Quiet Capital, Rivet Ventures, Scale Asia Ventures, Shrug Capital, Solana Ventures, Supernode Ventures, Todd and Rahul's Angel Fund, Unruly Capital, UpHonest Capital, VZVC, Wave Capital, What If Ventures, Y Combinator, Arash Ferdowsi, Aston Motes, Augusto Marietti, Bradley Horowitz, Brendan O'Driscoll, Dylan Field, Howie Liu, Immad Akhund, Jack Smith, Mario Gabriele, Matt Bellamy, Matteo Franceschetti, Matthew Dellavedova, Moshe Lifschitz, Paul McKellar, Scott Banister, Sumon Sadhu
Dec 1, 2022	Aztec	$100.0M Series B	—	Andreessen Horowitz, AngelList, Buckley Ventures, Ali Tamaseb, Divergence Ventures, Founder Collective, Future Ventures, Greylock, Helium-3 Ventures, Liquid 2 Ventures, Quiet Capital, Rivet Ventures, Scale Asia Ventures, Solana Ventures, Unruly Capital, UpHonest Capital, Y Combinator, Arash Ferdowsi, Aston Motes, Augusto Marietti, Dylan Field, Howie Liu, Immad Akhund, Jack Smith, Matt Bellamy, Paul McKellar, Sumon Sadhu, William Wolf
Dec 1, 2022	Recall.ai	$3.0M Seed	—	Abstract Ventures, Kevin Hartz, AirAngels, Alt Capital, Alumni Ventures, Banana Capital, Earl Grey Capital, Founders Fund, Jude Gomila Rolling Fund, Kearny Jackson, Menlo Ventures, Meritech Capital Partners, Mischief Venture Capital, Offline Ventures, Pioneer Fund, Stripe, Dan Wright, David Petersen, Eric Ries, Frederic Kerrest, Gordon Wintrob, Jeremy Cai, Jon Runyan, Mathilde Collin, Max Mullen, Paul Rios, Ryan Carlson, Ryan Chan, Scott Belsky, Tony Xu, Zack Kanter
Dec 1, 2022	Carry	$5.0M Seed	—	Andreessen Horowitz, AngelList, Buckley Ventures, Ali Tamaseb, Divergence Ventures, Founder Collective, Founders Fund, Future Ventures, Greylock, Helium-3 Ventures, Liquid 2 Ventures, Quiet Capital, Rivet Ventures, Scale Asia Ventures, Solana Ventures, Unruly Capital, UpHonest Capital, Y Combinator, Arash Ferdowsi, Aston Motes, Augusto Marietti, Dylan Field, Howie Liu, Immad Akhund, Jack Smith, Matt Bellamy, Paul McKellar, Sumon Sadhu
Dec 1, 2022	Kitchen Data Systems	$2.0M Seed	—	Canyon Creek, DX Ventures, NEO, One Planet Group, Pitbull Ventures, Think + Ventures, Farhad Mohit, Russell Cook, Scott Banister
Nov 1, 2022	Smartex.ai	$25.0M Series A	—	Encomenda Smart Capital, Jenny Fielding, Scott Hartley, Felicis Ventures, Forerunner Ventures, Future Shape, Innovation Endeavors, Left Lane Capital, Lightspeed Venture Partners, Northzone, Point Nine Capital, Sweet Capital, Anne Wojcicki, Ian Hogarth, Timothy A. Springer
Nov 1, 2022	Plain.	$6.0M Seed	—	9Yards Capital, Abstract Ventures, Kevin Hartz, AirAngels, Allison Pickens Ventures, formerly The New Normal Fund, Alt Capital, Alumni Ventures, Amplify Partners, Asymmetric Capital Partners, Banana Capital, Bessemer Venture Partners, C2 Investment, Cherry Ventures, Connect Ventures, Craft Ventures, Earl Grey Capital, Electric Capital, Fika Ventures, First Round Capital, foobar.vc, Founders Fund, F-Prime Capital Partners, Innovation Endeavors, Inventure, Jude Gomila Rolling Fund, Kearny Jackson, Khosla Ventures, La Famiglia, Menlo Ventures, Meritech Capital Partners, Mischief Venture Capital, MKT1 Capital, Mosaic Ventures, Mucker Capital, Offline Ventures, Pareto Holdings, Pioneer Fund, Plaid, Primetime Partners, Ribbit Capital, Scalar Capital, Scribble Ventures, Seedcamp, Sequoia Capital, Seven Seven Six, Solid Bond Capital, Stripe, Susa Ventures, Terra Venture Partners, Village Global, Azeem Azhar, Calum Forsyth, Carl Pei, Chase Gilbert, Dan Wright, David Petersen, Derrick Li, Eric Ries, Frederic Kerrest, Gordon Wintrob, Jeremy Cai, Jon Runyan, Mathilde Collin, Matt Macinnis, Max Mullen, Oscar Pierre, Parker Conrad, Paul Rios, Peter Kazanjy, Ryan Carlson, Ryan Chan, Scott Belsky, Siqi Chen, Thibaud Hug de Larauze, Tony Xu
Nov 1, 2022	Craft.co	$32.0M Series B	—	9Yards Capital, ACME Capital, B Capital Group, Boldstart Ventures, Coatue, Craft Ventures, DCM, GitHub Fund, Glasswing Ventures, High Alpha, Kindred Ventures, Kleiner Perkins, Laurence Jones, Origin Ventures, Uncork Capital, Winklevoss Capital, Adam Gross, Edith Harbaugh, Frederic Kerrest, Guy Podjarny, Jason Wang, Mark Goines, Omar El-Ayat, Rene Reinsberg, Richard Din, Sam Palmisano, Sean Behr, Shervin Pishevar
Nov 1, 2022	sieve	$4.0M Seed	—	Abstract Ventures, Kevin Hartz, AirAngels, Alt Capital, Alumni Ventures, Backend Capital, Banana Capital, Earl Grey Capital, Founders Fund, Jude Gomila Rolling Fund, Kearny Jackson, Matrix, Menlo Ventures, Meritech Capital Partners, Mischief Venture Capital, Offline Ventures, Pioneer Fund, Stripe, Dan Wright, David Petersen, Eric Ries, Frederic Kerrest, Gordon Wintrob, Jeremy Cai, Jon Runyan, Mathilde Collin, Max Mullen, Paul Rios, Ryan Carlson, Ryan Chan, Scott Belsky, Siqi Chen, Tom Blomfield, Tony Xu, Zack Kanter
Nov 1, 2022	Sensible	$7.0M Seed	—	Abstract Ventures, Kevin Hartz, AirAngels, Alt Capital, Alumni Ventures, Andreessen Horowitz, Asylum Ventures, Banana Capital, Bullpen Capital, Craft Ventures, Earl Grey Capital, Engineering Capital, Founders Fund, Gaingels, Gradient Ventures, Heavybit, Jude Gomila Rolling Fund, Kearny Jackson, Lainy, LAUNCH, Menlo Ventures, Meritech Capital Partners, Mischief Venture Capital, Offline Ventures, Pareto Holdings, Pioneer Fund, Stripe, Third Point Ventures, Unpopular Ventures, Dan Wright, David Petersen, Eric Ries, Frederic Kerrest, Jeremy Cai, Johannes Schildt, John Ives, Jon Runyan, Mads Fosselius, Mathilde Collin, Max Mullen, Paul Rios, Randy Garg, Ryan Carlson, Ryan Chan, Scott Belsky, Siqi Chen, Tony Xu, Zack Kanter
Oct 1, 2022	Golden	$40.0M Series B	—	5Y Capital, Kevin Hartz, AlleyCorp, Andreessen Horowitz, AngelList, Asymmetric, Buckley Ventures, Cambridge Innovation Capital, CoinFund, Dawn Capital, Ali Tamaseb, Divergence Ventures, FirstMark Capital, Founder Collective, Future Ventures, Global Founders Capital, Greylock, Andrew Wheeler, Helium-3 Ventures, Jump Crypto, Liquid 2 Ventures, Long Journey Ventures, Lowercarbon Capital, Menlo Ventures, Merak Ventures, Multicoin Capital, Munich Re / HSB Ventures, NFX, Octopus Ventures, Ben Huh, P101, Polygon, Primo Ventures, Quiet Capital, Race Capital, Rivet Ventures, Scale Asia Ventures, Scribble Ventures, Sequoia Capital, Solana Ventures, SV Angel, Symbolic Capital, Tapas Capital, Tiger Global Management, Trucks Venture Capital, Unruly Capital, UpHonest Capital, Weekend Fund, Y Combinator, Ajit Tripathi, Aleksander Leonard Larsen, Arash Ferdowsi, Aston Motes, Augusto Marietti, Balaji Srinivasan, David Lieb, Dmitry Dakhnovsky, Dylan Field, Howie Liu, Immad Akhund, Jack Smith, Jeffrey Wilke, John Lilic, Joi Ito, Marc Benioff, Matt Bellamy, Michael Stoppelman, Paul McKellar, Sumon Sadhu, Surojit Chatterjee, Trevor McFedries

Financial History

Total Raised

N/A

Valuation

N/A

Leadership Team

Key people at YLEM.

Bastian Lehmann

Investor

Leadership Team

Key people at YLEM.

Bastian Lehmann

Investor

Deep Dive

High-Level Overview

YLEM appears to be both an energy services company and an investment firm with a portfolio of startups. As an energy services provider, YLEM Energy specializes in operational and maintenance (O&M) services for energy assets, particularly gas peaking plants, helping clients maximize trading opportunities and asset availability in the transition to a low-carbon economy[1]. As an investment firm, YLEM manages a diverse portfolio including companies like Meter, Serve, Huckleberry, Fountain, Runway, and others, indicating a broad interest in innovative startups across sectors[2].

Origin Story

YLEM Energy’s origin details are not explicitly provided, but its partnership with Triple Point, a UK-based investment manager focused on low-carbon energy businesses, highlights its evolution into a key technical operator in energy asset management[1]. The investment firm YLEM’s founding year and key partners are not detailed in the available information, but its expanding portfolio suggests an ongoing commitment to supporting early-stage companies[2].

Core Differentiators

For YLEM Energy (Energy Services):
Deep technical expertise in O&M for gas peaking plants and energy assets.
Proven ability to improve operational efficiency and asset availability.
Strong partnership model working closely with asset managers and engineers.
Focus on supporting the energy transition and net-zero goals through reliable asset management[1].

For YLEM (Investment Firm):
Diverse and growing portfolio across multiple innovative startups.
Active expansion indicating dynamic investment strategy.
Likely emphasis on early-stage companies with growth potential, though specific investment philosophy is not detailed[2].

Role in the Broader Tech Landscape

YLEM Energy operates at the intersection of energy infrastructure and the low-carbon transition, addressing the critical need for reliable peaking power plants that balance the grid as renewable energy sources grow. This timing is crucial as markets and regulators push for net-zero emissions, making operational excellence in flexible energy assets a competitive advantage[1]. The investment firm YLEM supports innovation across sectors, contributing to the startup ecosystem by funding and nurturing emerging companies, thus fostering technological advancement and economic growth[2].

Quick Take & Future Outlook

YLEM Energy is positioned to continue playing a vital role in the UK and broader energy markets by ensuring critical assets meet capacity and availability targets, supporting grid stability and decarbonization efforts. As energy markets evolve, their technical expertise will remain in demand. The investment firm YLEM’s expanding portfolio suggests it will keep identifying and backing promising startups, potentially increasing its influence in shaping emerging technologies and markets. Future trends in energy transition and startup innovation will likely shape both arms of YLEM’s activities, reinforcing their roles in sustainable growth and technological progress[1][2].

Sources

High-Level Overview

Origin Story

Core Differentiators

For YLEM Energy (Energy Services):
Deep technical expertise in O&M for gas peaking plants and energy assets.
Proven ability to improve operational efficiency and asset availability.
Strong partnership model working closely with asset managers and engineers.
Focus on supporting the energy transition and net-zero goals through reliable asset management[1].

For YLEM (Investment Firm):
Diverse and growing portfolio across multiple innovative startups.
Active expansion indicating dynamic investment strategy.
Likely emphasis on early-stage companies with growth potential, though specific investment philosophy is not detailed[2].