Financial Institutions INC Schedule 13G passive stakes

Dimensional Fund Advisors LP has disclosed beneficial ownership of 1,002,481 shares, representing 5.1% of the outstanding common stock of Financial Institutions Inc.

Wellington Management Group LLP, along with its affiliates, has reported beneficial ownership of 4.6% of Financial Institutions, Inc. common stock as of March 31, 2026.

The Vanguard Group reports 0% beneficial ownership in Financial Institutions Inc following an internal realignment, shifting reporting to subsidiaries.

Dimensional Fund Advisors LP has reported a 5.0% beneficial ownership stake in Financial Institutions Inc. common stock as of June 30, 2025.

The Vanguard Group has filed a Schedule 13G, revealing a 5.13% beneficial ownership stake in Financial Institutions Inc., primarily for investment purposes.

Dimensional Fund Advisors LP has filed a Schedule 13G, reporting a passive beneficial ownership of 5.3% of the common stock of Financial Institutions Inc.

BlackRock, Inc. has filed an amended Schedule 13G, confirming its beneficial ownership of 6.9% of Financial Institutions Inc.'s common stock as of December 31, 2024.

The Vanguard Group has filed an amended Schedule 13G, reporting a 4.75% passive beneficial ownership stake in Financial Institutions Inc as of December 31, 2024.

Dimensional Fund Advisors LP has filed an amended Schedule 13G, reaffirming its 5.0% beneficial ownership stake in Financial Institutions Inc as of December 31, 2024.