UAO Fiduciary

Anti-ESG laws explained

Anti-ESG statutes are reshaping institutional capital allocation in the United States. We explain the legal framework, real-world implementation gaps, and implications for long-term asset owners.

Anti-ESG laws are state and federal statutes restricting investment mandates based on environmental, social, and governance criteria. Enacted primarily in the US South and Midwest since 2021, they prohibit public pension funds and state treasuries from divesting based on ESG factors, penalizing financial firms that apply ESG screens.

Anti-ESG laws are state and federal statutes restricting investment mandates based on environmental, social, and governance criteria. Enacted primarily in the US South and Midwest since 2021, they prohibit public pension funds and state treasuries from divesting based on ESG factors, penalizing financial firms that apply ESG screens.

What triggered the anti-ESG legislative wave?

The movement emerged from conservative political opposition to what proponents termed "woke capitalism." Texas passed HB 1643 in June 2021, becoming the first state to restrict state pension fund investments in fossil fuel divestment. The law barred the Teacher Retirement System of Texas ($224 billion AUM) and other state funds from considering divestment based on fossil fuel exclusion. Florida followed with HB 943 in June 2023, extending restrictions to broad ESG criteria and imposing a 2% fee penalty on asset managers applying "boycotts" of certain industries.

By early 2024, 26 states had enacted similar measures. Arizona, Kentucky, Montana, Oklahoma, and Utah passed particularly stringent versions. Indiana's law (SB 419, 2023) explicitly bans state officials from divesting based on environmental criteria. The trend reflects deeper ideological conflict over whether capital markets should incorporate climate and governance risk assessment, or restrict investment decisions to narrowly financial metrics.

How do state anti-ESG laws work in practice?

Most state laws operate through two mechanisms: fiduciary duty redefinition and vendor penalties. Texas HB 1643 redefines fiduciary duty to exclude "divestment based on fossil fuel investments." This narrows the legal permission—some argue mandate—for trustees to integrate material ESG factors into decision-making. Florida's approach is more aggressive: HB 943 imposes a 2% annual fee on asset managers identified as applying ESG "boycotts," creating financial incentive to exit state contracts.

Enforcement remains unevenly implemented. The Texas State Board of Education attempted to divest from BlackRock and Vanguard in 2023, citing their ESG practices. However, the Texas Permanent School Fund ($9.2 billion) and Teacher Retirement System have continued engagement with major asset managers, suggesting ambiguity in how anti-ESG law enforcement translates into operational practice. Institutional investors report that state compliance requirements lack clear definitions of what constitutes ESG "consideration" versus prohibited action.

Do anti-ESG laws contradict federal fiduciary law?

Yes. The Employee Retirement Income Security Act (ERISA), which governs private sector pension funds, permits—and many legal scholars argue requires—integration of material factors into investment decisions, including climate, governance quality, and social stability. The Department of Labor issued guidance in 2021 clarifying that ESG factors are permissible if financially relevant to the investment thesis. This creates direct conflict with state laws that prohibit such integration.

Delaware law, which governs many corporate boards and trusts, contains similar tensions. Delaware courts have recognized climate risk as a material business factor. The US Court of Appeals for the Fifth Circuit (based in Texas) has not yet ruled on whether state anti-ESG restrictions comply with ERISA preemption doctrine. Legal scholars at major pension fund organizations, including the American College of Trust and Estate Counsel, have warned that this conflict will likely trigger federal litigation within 3–5 years.

The practical result: institutional investors in affected states navigate competing mandates. The Connecticut Retirement Plans & Trust Funds ($46 billion AUM) challenged Connecticut's prohibition on environmental divestment, arguing it weakened fiduciary performance. The New York State Common Fund ($200 billion AUM) maintains ESG integration across all mandates, including Texas-managed accounts, creating internal compliance friction.

How have major asset managers responded?

Large institutional managers have adopted a portfolio fragmentation strategy. BlackRock ($10.7 trillion AUM) maintains separate ESG-integrated and non-ESG product lines, allowing state clients to select non-ESG-screened portfolios. Vanguard ($8.1 trillion AUM) reduced public disclosure of ESG integration to minimize regulatory risk but has not eliminated ESG-aware funds. State Street Global Advisors ($4.5 trillion AUM) created dedicated "compliance" portfolios for clients in anti-ESG jurisdictions.

This fragmentation increases operational cost. The Asset Management Association estimates that state-level compliance requirements add 25–40 basis points in annual overhead for managers serving multi-state pension systems. Smaller regional asset managers, lacking scale to create separate product tracks, have exited contracts with anti-ESG states entirely.

Sovereign wealth and long-term allocators have taken a different approach. Saudi Arabia's Public Investment Fund (PIF), Explained ($925 billion AUM) continues ESG integration in its global portfolio while avoiding explicit public advocacy in anti-ESG states. Qatar Investment Authority (QIA), Explained ($450 billion AUM) applies ESG screens selectively, particularly for governance risk, without publicizing these decisions in politically sensitive jurisdictions. Kuwait Investment Authority (KIA), Explained ($704 billion AUM) maintains that ESG integration is a core institutional governance function, insulated from state-level politics, and has not retreated from long-term ESG commitments.

What do anti-ESG laws say about climate risk integration?

Climate risk integration is the most legally contested area. Texas HB 1643 explicitly prohibits "divestment based on fossil fuel investments." However, the law does not restrict consideration of climate risk to a specific company's operations—only to industry-wide exclusion. This creates a narrow legal loophole: trustees can integrate climate risk at the company level (financial exposure to stranded assets, regulatory cost, supply chain vulnerability) but not apply fossil fuel industry screens.

Florida's HB 943 goes further, restricting "consideration of environmental factors" in manager selection, which legal experts argue covers climate risk assessment broadly. Implementation guidance from Florida's state treasurer's office remains vague, leaving pension trustees uncertain whether climate scenario analysis (such as TCFD-aligned stress testing) constitutes prohibited ESG consideration.

Institutional investors have responded by reframing climate analysis as traditional financial risk management, not environmental advocacy. The California Public Employees' Retirement System (CalPERS, $500 billion AUM), based in a non-anti-ESG state, classifies climate risk as a subset of operational risk assessment—a framework that would likely survive legal challenge in anti-ESG jurisdictions if applied there.

How do anti-ESG laws affect Universal Ownership Theory, Explained?

Universal ownership theory holds that large, diversified long-term allocators should integrate systemic risks—including climate, social stability, and governance quality—because these factors ultimately affect all portfolio companies. Anti-ESG laws directly undermine this framework by requiring trustees to exclude certain material risk factors from decision-making.

The Council of Institutional Investors, representing 200+ pension funds with $60+ trillion in combined AUM, has stated that anti-ESG legislation constrains fiduciary capability to assess systemic risk. A 2023 report by the Institutional Investor Council of North America found that state anti-ESG mandates prevent optimal portfolio construction for 30-year+ time horizons, potentially increasing exposure to concentration risk in fossil fuel and governance-weak companies.

Sovereign funds with permanent mandates have been clearer: long-term allocators cannot function effectively under rules that prohibit material risk assessment. This tension may drive institutional investors toward federal legislative solutions or constitutional challenges to state anti-ESG laws on dormant commerce clause grounds.

What is the relationship between anti-ESG laws and The Discount Rate and Pension Liabilities, Explained?

Anti-ESG restrictions may indirectly increase pension liability duration. If funds are prohibited from integrating climate and governance risk, they may experience higher portfolio volatility and lower long-term real returns. This would require higher discount rates (if liability growth accelerates) or lower assumed return assumptions, both of which increase net pension obligations on state balance sheets.

The Pension Policy Research Institute estimated in 2023 that anti-ESG restrictions could reduce real portfolio returns by 20–50 basis points over 20-year periods for diversified state pension systems, depending on portfolio composition and degree of climate/governance risk concentration. This would translate to $15–40 billion in additional unfunded liabilities for the largest affected state pension systems (Texas, Florida, Oklahoma combined).

State pension boards have not yet fully internalized this risk. Most continue to use historical return assumptions (7–7.5% nominal) unchanged despite restrictions on risk integration. This may lead to contribution rate adjustments within 5–10 years as realized returns disappoint baseline projections.

Several constitutional and statutory challenges are pending. In December 2022, the American Federation of Teachers filed suit in federal court arguing that Texas HB 1643 violates ERISA preemption and breaches fiduciary duty under Delaware trust law. The case, pending in the US District Court for the Northern District of Texas, seeks declaratory judgment that the state law is unconstitutional as applied to federally regulated employee benefit plans.

Additionally, the Securities and Exchange Commission issued guidance in 2022 indicating that state laws restricting ESG disclosure or integration may conflict with federal securities regulations and fiduciary standards under the Securities Act. The SEC has not yet brought enforcement action against a state, but SEC Chair Gary Gensler has stated that blanket ESG restrictions may constrain the agency's authority to set uniform disclosure standards.

Courts have not definitively resolved whether ESG factor integration constitutes "material consideration" under ERISA, or whether it is ideological screening subject to state restriction. This ambiguity will likely persist until federal appellate courts address the question, potentially within 3–5 years.

What are the implications for long-term allocators?

Institutional investors face a structurally fragmented regulatory environment. For multi-state pension systems and endowments, anti-ESG laws create operational friction, increase compliance cost, and potentially reduce long-term returns by constraining risk integration. The most significant risk is that state-level prohibitions will degrade portfolio resilience to systemic shocks—climate transition, governance failure, supply chain disruption—that affect returns over 20+ year horizons.

Sovereign wealth funds and endowments with global mandates have greater flexibility. They can maintain ESG integration in non-US portfolios while adapting to anti-ESG requirements in specific US state allocations. However, this fragmentation increases complexity and may erode the strategic coherence that long-term allocators require for optimal capital allocation.

Federal legislation or Supreme Court clarification of ERISA preemption doctrine will likely resolve this tension within the next five years. Until then, institutional investors should expect continued litigation, regulatory ambiguity, and pressure to separate ESG-integrated and non-ESG-integrated investment tracks. This fragmentation reduces scale economies in asset management and may increase costs for all institutional investors, regardless of their ESG preferences.


The Daily Brief

The morning briefing for the people who allocate long-horizon capital.

Research, charts, video and podcast analysis for the institutions investing at the scale of the world.

Universal Asset Owners