This educational guide is based on the linked primary sources. It is not a Court publication, is not affiliated with the Court, and is not legal advice.
In brief
Overview
The case Amgen Inc. v. Connecticut Retirement Plans and Trust Funds was submitted to the Court.
Background and question before the Court
According to Justice Ginsburg, the Court considered whether the two findings of materiality—one required at the certification stage and one required at trial—are distinct.
Petitioners argued that the two inquiries are really the same question and should be treated as one.
What each side argues
Petitioners' Position
Petitioners argued that the two inquiries are really the same question and should be treated as one.
Respondents' Position
Source-limited. The record does not yet support a complete account.
What happened at oral argument
Justice Ginsburg asked how the two findings of materiality differ between the certification stage and trial.
Justice Breyer asked for clarification, saying “Is that exactly right?”
What the Court decided
Why it matters
Terms to know
No glossary terms are available for this guide.
Primary sources
Read the source materials on the official site or open the immutable repository copy used for this guide.
- 5e63556c7bd04af6981b-r1-8301b53b318fcf7b.pdforal argument transcript
Guide generated September 24, 2026. Automated validation accepted this version.