Key facts
- US global systemically important banks (G-SIBs) experienced a decline in their supplementary leverage ratios (SLRs) during the second quarter of 2026.
- Four of these G-SIBs recorded their lowest-ever SLR levels.
- Seven of the eight US G-SIBs implemented the revised enhanced SLR (eSLR) framework ahead of the official start date in January 2026.
- BNY Mellon adopted the new requirements on the formal effective date of the rule.
The supplementary leverage ratio (SLR) at US global systemically important banks (G-SIBs) declined in the second quarter of 2026, with four institutions reaching record low ratios. This occurred in the first full quarter under the revised enhanced SLR (eSLR) framework. Seven of the eight US G-SIBs adopted these new requirements early, beginning in January 2026, while BNY Mellon transitioned when the rule officially took effect.