Big Three Asset Managers Face GOP Climate Conspiracy Lawsuit
A Texas federal judge has ruled that a lawsuit challenging three of the world’s largest investment firms over their climate-related activities can move forward, rejecting the companies’ attempts to dismiss the case at an early stage. The lawsuit, filed by eleven Republican state attorneys general led by Texas’s Ken Paxton, targets BlackRock, State Street, and Vanguard for their participation in climate initiatives aimed at reducing greenhouse gas emissions. The states argue these activities constitute an illegal conspiracy that has harmed coal markets and increased energy costs for consumers.
Market Influence Through Stock Ownership
U.S. District Judge Jeremy Kernodle found that the three asset managers collectively own substantial portions of major coal companies—between roughly 25% and 35% of most publicly traded coal producers. This ownership gives them considerable influence over company operations through proxy voting and direct engagement with management.
The plaintiffs presented evidence that coal production decreased while prices increased between 2019 and 2022, despite market conditions that would typically encourage higher output. During this period, the asset managers were participating in climate initiatives that committed them to pressuring portfolio companies to reduce carbon emissions.
The judge noted that thermal coal output by these companies fell 19.2% while prices rose 25.5% over the three-year period. Similarly, South Powder River Basin coal output dropped 18.2% as prices increased 21.2%. Privately held coal companies not owned by the defendants increased production during the same period.
Climate Initiative Participation
The case focuses on the defendants’ membership in organizations like Climate Action 100+ and the Net Zero Asset Managers Initiative. These groups coordinate investor efforts to push companies toward emissions reductions, with stated goals of achieving “net zero emissions by 2050 or sooner.”
According to court documents, these initiatives explicitly acknowledged that reaching net zero requires “coal production declines towards zero”. Members committed to using “clear escalation and voting policy” to pressure companies and to “immediately cease all financial or other support to coal companies” seeking to expand production.
Legal Theory Tested
Judge Kernodle acknowledged the case presents an unusual antitrust theory. Rather than competitors directly agreeing to restrict output—which would be clearly illegal—the lawsuit alleges that investors coordinated to pressure companies in another industry to reduce production.
The court found sufficient circumstantial evidence to support the conspiracy claims, including the timing of the defendants’ participation in climate initiatives and their parallel actions in voting against coal company directors who lacked adequate climate disclosures.
Consumer Protection Claims
The ruling also allows consumer protection claims against BlackRock to proceed in four states. These allegations focus on BlackRock’s marketing of certain investment funds as not following environmental, social, and governance (ESG) strategies while allegedly using those funds to advance climate objectives.
Plaintiffs argue that investors who specifically sought non-ESG funds were misled about how their investments would be used. BlackRock had claimed these funds “do not seek to follow a sustainable, impact or ESG investment strategy“, but the states contend the company was simultaneously using proxy votes from these funds to pressure companies on climate issues.
Industry Response
The defendants have denied wrongdoing and characterized their activities as standard investment stewardship rather than anticompetitive coordination. Vanguard stated it would “vigorously defend” against the claims, while State Street called the lawsuit “baseless” and warned it poses “unnecessary risk to investors and energy markets”.
Broader Context
The case represents part of a broader political battle over ESG investing practices. Republican officials have increasingly challenged investment strategies that consider environmental and social factors, arguing they prioritize political objectives over financial returns.
The litigation could influence how asset managers coordinate on climate issues and engage with portfolio companies on environmental matters. While the ruling only allows the case to proceed rather than determining liability, it signals that courts will examine whether coordinated climate initiatives among major investors may violate antitrust laws.
The case will now move to discovery, where both sides will gather evidence to support their positions on whether the defendants’ activities constituted illegal coordination or legitimate investment stewardship.

Robert Nogacki – licensed legal counsel (radca prawny, WA-9026), Founder of Kancelaria Prawna Skarbiec.
There are lawyers who practice law. And there are those who deal with problems for which the law has no ready answer. For over twenty years, Kancelaria Skarbiec has worked at the intersection of tax law, corporate structures, and the deeply human reluctance to give the state more than the state is owed. We advise entrepreneurs from over a dozen countries – from those on the Forbes list to those whose bank account was just seized by the tax authority and who do not know what to do tomorrow morning.
One of the most frequently cited experts on tax law in Polish media – he writes for Rzeczpospolita, Dziennik Gazeta Prawna, and Parkiet not because it looks good on a résumé, but because certain things cannot be explained in a court filing and someone needs to say them out loud. Author of AI Decoding Satoshi Nakamoto: Artificial Intelligence on the Trail of Bitcoin’s Creator. Co-author of the award-winning book Bezpieczeństwo współczesnej firmy (Security of a Modern Company).
Kancelaria Skarbiec holds top positions in the tax law firm rankings of Dziennik Gazeta Prawna. Four-time winner of the European Medal, recipient of the title International Tax Planning Law Firm of the Year in Poland.
He specializes in tax disputes with fiscal authorities, international tax planning, crypto-asset regulation, and asset protection. Since 2006, he has led the WGI case – one of the longest-running criminal proceedings in the history of the Polish financial market – because there are things you do not leave half-done, even if they take two decades. He believes the law is too serious to be treated only seriously – and that the best legal advice is the kind that ensures the client never has to stand before a court.