FINANCIAL INSTITUTIONS INC

PublicCIK: 862831
FISINASDAQFIISOOTCFIISPOTC
Location

WARSAW, NY

13F Filings

Institutional Holders

FINANCIAL INSTITUTIONS INCFISI— Latest position per institution from SEC 13F filings

15

Institutional holders

13.84M

Total shares held

474.19M

Estimated value

691.80K

Avg. position size

1

PL CAPITAL ADVISORS, LLC

CIK 1569147

Shares

1.82M

Value

70.77M

Filed

Jun 30, 2026

2

BLACKROCK, INC.

CIK 2012383

Shares

1.67M

Value

64.97M

Filed

Jun 30, 2026

3

BLACKROCK FINANCE, INC.

CIK 1364742

Shares

1.40M

Value

26.99M

Filed

Jun 30, 2024

4

VANGUARD GROUP INC

CIK 102909

Shares

1.16M

Value

36.06M

Filed

Dec 31, 2025

5

DIMENSIONAL FUND ADVISORS LP

CIK 354204

Shares

1M

Value

39.07M

Filed

Jun 30, 2026

6

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

841.17K

Value

32.78M

Filed

Jun 30, 2026

7

ADAGE CAPITAL PARTNERS GP, L.L.C.

CIK 1165408

Shares

834.97K

Value

32.54M

Filed

Jun 30, 2026

8

ACADIAN ASSET MANAGEMENT LLC

CIK 916542

Shares

593.37K

Value

23.12K

Filed

Jun 30, 2026

9

STATE STREET CORP

CIK 93751

Shares

592.49K

Value

23.27M

Filed

Jun 30, 2026

10

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

586.72K

Value

22.87M

Filed

Jun 30, 2026

11

ATEGRA CAPITAL MANAGEMENT, LLC

CIK 1741369

Shares

564.10K

Value

21.98M

Filed

Jun 30, 2026

12

TWO SIGMA INVESTMENTS, LP

CIK 1179392

Shares

457.10K

Value

17.81M

Filed

Jun 30, 2026

13

JPMORGAN CHASE & CO

CIK 19617

Shares

404.98K

Value

15.73M

Filed

Jun 30, 2026

14

AMERICAN CENTURY COMPANIES INC

CIK 748054

Shares

349.61K

Value

13.62M

Filed

Jun 30, 2026

15

BASSWOOD CAPITAL MANAGEMENT, L.L.C.

CIK 1085393

Shares

304.89K

Value

8.32M

Filed

Dec 31, 2024

16

VANGUARD PORTFOLIO MANAGEMENT LLC

CIK 2100121

Shares

263.03K

Value

10.25M

Filed

Jun 30, 2026

17

FOURTHSTONE LLC

CIK 1767803

Shares

254.50K

Value

7.93M

Filed

Dec 31, 2025

18

AQR CAPITAL MANAGEMENT LLC

CIK 1167557

Shares

251.50K

Value

9.80M

Filed

Jun 30, 2026

19

HILLSDALE INVESTMENT MANAGEMENT INC.

CIK 1368465

Shares

249.20K

Value

9.71M

Filed

Jun 30, 2026

20

RAYMOND JAMES FINANCIAL INC

CIK 720005

Shares

248.28K

Value

9.68M

Filed

Jun 30, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.