Economy June 29, 2026 01:54 PM

Court Halts Indiana Rule for Proxy Advisers in Third Win for ISS and Glass Lewis

Federal judge blocks requirement for written financial analysis when proxy advisers oppose management, citing viewpoint discrimination

By Maya Rios
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A U.S. federal judge issued a preliminary injunction preventing an Indiana law from taking effect that would have forced proxy advisory firms to produce written financial analyses when their recommendations diverge from company management. The ruling marks the third recent federal setback for state-level measures aimed at curbing the influence of Institutional Shareholder Services and Glass Lewis and underscores ongoing legal uncertainty around restrictions tied to environmental, social and governance (ESG) voting guidance.

Court Halts Indiana Rule for Proxy Advisers in Third Win for ISS and Glass Lewis
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Key Points

  • Federal judge issued a preliminary injunction blocking an Indiana law that would have required proxy advisers to provide a written financial analysis when recommending votes against management - impacts corporate governance and legal sectors.
  • The ruling is the third recent federal win for Institutional Shareholder Services and Glass Lewis, following injunctions in Kansas this month and in Texas last year - affects financial services, asset management, and markets that depend on proxy advice.
  • ISS and Glass Lewis argue the law violated free speech and amounted to viewpoint discrimination; the firms face additional pending litigation in Texas, Kansas, Kentucky, Florida, and indicated challenges in other states - creates regulatory uncertainty for advisers and issuers.

A federal judge late Friday issued a preliminary injunction that prevents an Indiana statute from taking effect on July 1 which would have required proxy advisory firms to provide a "written financial analysis" whenever they recommended votes that opposed company management, or else disclose that no such analysis had been conducted.

The injunction was granted in a lawsuit brought by Institutional Shareholder Services and Glass Lewis, the two prominent firms that advise institutional investors on how to vote at corporate annual meetings. The decision by U.S. District Judge Matthew Brookman of the Southern District of Indiana sided with plaintiffs who argued the statute infringed on their constitutional rights.

Judge Brookman, among other findings, concluded that the Indiana measure amounted to prohibited "viewpoint discrimination" because its compliance burden applied only when the proxy advisers’ recommendations conflicted with the views of company management. The firms had argued in separate filings that the law violated freedoms including their right to free speech.

Supporters of the Indiana rule had framed the requirement as a way to ensure proxy advice focused on financial outcomes, saying that when advisers recommend votes against management they should back that position with a written financial rationale. Republican lawmakers and other backers have expressed concern in recent years that proxy advisers were unduly favoring shareholder resolutions on environmental, social and governance topics such as workforce diversity and climate change. Critics also cited long-standing business complaints about the firms’ influence over areas like executive pay.

In a statement following the ruling, ISS described the judge’s decision as an important rebuke of what it called an "unconstitutional exercise of power over the free market." The firm pointed to similar federal rulings in Texas and Kansas that have blocked state-level attempts to restrict proxy advisers and said the Indiana decision provides further evidence that states cannot impose onerous obligations on proxy advisers simply for making recommendations that do not align with company management.

A Glass Lewis spokesperson said via e-mail the firm welcomed the recent federal decisions. The spokesperson said, "These rulings safeguard core First Amendment principles by rejecting speaker and viewpoint discrimination and ensure we can continue to deliver the objective research that our clients have come to expect."

The case in Indiana represents the third instance in which the two proxy advisers have gained favorable preliminary rulings in federal court within the past year. The firms won similar injunctions in Kansas and in Texas last year, a string of outcomes that suggests state-level efforts to impose new rules on proxy advisers face continuing legal obstacles.

Several related legal actions remain active. Lawsuits in Texas and Kansas are still pending in federal courts. ISS and Glass Lewis have also filed suit seeking to block enforcement of a comparable rule in Kentucky. Separately, both firms are defendants in a consumer protection and antitrust lawsuit brought by Florida, which they deny, and ISS has indicated it intends to contest related legal actions in four additional states.


Context and implications

The injunction blocks the specific Indiana requirement due to constitutional concerns identified by the court. It does not resolve the broader dispute over the appropriate scope of state regulation of proxy advisory firms, and other pending suits and enforcement actions across multiple states mean legal uncertainty for the firms and for market participants remains.

Risks

  • Ongoing litigation across multiple states means the final legal landscape for proxy advisers remains unsettled, posing continued legal and compliance risk for advisory firms and institutional investors - affects legal and financial services sectors.
  • State-level enforcement attempts and separate suits such as Florida’s consumer protection and antitrust case against the firms could lead to further legal costs and operational constraints if courts reach different outcomes - impacts asset managers and corporate issuers.
  • The injunction addresses constitutional issues rather than resolving the policy debate over proxy adviser influence on ESG-related shareholder proposals and executive pay; regulatory ambiguity could persist while multiple suits proceed - influences governance practices and market participants.

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