FINANCIAL INSTITUTIONS INC - FISI

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q3 2026 · Compare: Q2 2026
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
PL Capital Advisors, LLC History No change 1,816,102 70,773 19.67% 19.67% 1 0 0.0% Q2 2026 Jul 31, 2026
BlackRock, Inc. History No change 1,667,260 64,973 0.0% 0.0% 2 0 0.0% Q2 2026 Aug 07, 2026
DIMENSIONAL FUND ADVISORS LP History No change 1,002,481 39,066 0.01% 0.01% 3 0 0.0% Q2 2026 Aug 11, 2026
VANGUARD CAPITAL MANAGEMENT LLC History No change 841,166 32,780 0.0% 0.0% 4 0 0.0% Q2 2026 Aug 13, 2026
ADAGE CAPITAL PARTNERS GP, L.L.C. History No change 834,969 32,538 0.05% 0.05% 5 0 0.0% Q2 2026 Aug 14, 2026
STATE STREET CORP History No change 592,493 23,273 0.0% 0.0% 6 0 0.0% Q2 2026 Sep 22, 2026
ACADIAN ASSET MANAGEMENT LLC History No change 593,367 23,117 0.03% 0.03% 7 0 0.0% Q2 2026 Aug 13, 2026
GEODE CAPITAL MANAGEMENT, LLC History No change 586,724 22,870 0.0% 0.0% 8 0 0.0% Q2 2026 Aug 12, 2026
Ategra Capital Management, LLC History No change 564,100 21,982 9.89% 9.89% 9 0 0.0% Q2 2026 Aug 14, 2026
TWO SIGMA INVESTMENTS, LP History No change 457,098 17,813 0.01% 0.01% 10 0 0.0% Q2 2026 Aug 14, 2026
JPMORGAN CHASE & CO History No change 404,980 15,725 0.0% 0.0% 11 0 0.0% Q2 2026 Aug 12, 2026
AMERICAN CENTURY COMPANIES INC History No change 349,611 13,624 0.01% 0.01% 12 0 0.0% Q2 2026 Aug 12, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC History No change 263,033 10,250 0.0% 0.0% 13 0 0.0% Q2 2026 Aug 13, 2026
AQR CAPITAL MANAGEMENT LLC History No change 251,498 9,800 0.0% 0.0% 14 0 0.0% Q2 2026 Aug 14, 2026
Hillsdale Investment Management Inc. History No change 249,200 9,711 0.22% 0.22% 15 0 0.0% Q2 2026 Aug 12, 2026
RAYMOND JAMES FINANCIAL INC History No change 248,283 9,675 0.0% 0.0% 16 0 0.0% Q2 2026 Aug 14, 2026
MORGAN STANLEY History No change 234,920 9,154 0.0% 0.0% 17 0 0.0% Q2 2026 Aug 13, 2026
GOLDMAN SACHS GROUP INC History No change 216,109 8,421 0.0% 0.0% 18 0 0.0% Q2 2026 Aug 14, 2026
ALLIANCEBERNSTEIN L.P. History No change 245,258 7,777 0.0% 0.0% 19 0 0.0% Q2 2026 Aug 14, 2026
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC History No change 199,502 7,774 0.02% 0.02% 20 0 0.0% Q2 2026 Aug 14, 2026
Qube Research & Technologies Ltd History No change 193,831 7,553 0.01% 0.01% 21 0 0.0% Q2 2026 Aug 14, 2026
LSV ASSET MANAGEMENT History No change 179,800 7,007 0.01% 0.01% 22 0 0.0% Q2 2026 Aug 06, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History No change 179,154 6,981 0.12% 0.12% 23 0 0.0% Q2 2026 Aug 14, 2026
NORTHERN TRUST CORP History No change 176,215 6,867 0.0% 0.0% 24 0 0.0% Q2 2026 Aug 13, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History No change 162,212 6,321 0.0% 0.0% 25 0 0.0% Q2 2026 Aug 14, 2026
CANANDAIGUA NATIONAL BANK & TRUST CO History No change 154,106 6,005 0.51% 0.51% 26 0 0.0% Q2 2026 Jul 07, 2026
Palisades Investment Partners, LLC History No change 150,826 5,921 1.68% 1.68% 27 0 0.0% Q2 2026 Aug 04, 2026
RENAISSANCE TECHNOLOGIES LLC History No change 136,904 5,335 0.01% 0.01% 28 0 0.0% Q2 2026 Aug 13, 2026
VANGUARD FIDUCIARY TRUST CO History No change 130,123 5,070 0.0% 0.0% 29 0 0.0% Q2 2026 Aug 13, 2026
BANK OF AMERICA CORP /DE/ History No change 128,688 5,014 0.0% 0.0% 30 0 0.0% Q2 2026 Aug 14, 2026
COURIER CAPITAL LLC History No change 119,133 4,642 0.23% 0.23% 31 0 0.0% Q2 2026 Jul 16, 2026
Bank of New York Mellon Corp History No change 117,844 4,592 0.0% 0.0% 32 0 0.0% Q2 2026 Aug 06, 2026
Empowered Funds, LLC History No change 109,154 4,253 0.02% 0.02% 33 0 0.0% Q2 2026 Aug 14, 2026
MALTESE CAPITAL MANAGEMENT LLC History No change 100,000 3,897 0.71% 0.71% 34 0 0.0% Q2 2026 Aug 14, 2026
MENDON CAPITAL ADVISORS CORP History No change 100,000 3,897 1.38% 1.38% 35 0 0.0% Q2 2026 Aug 11, 2026
Curi Capital, LLC History No change 100,017 3,897 0.06% 0.06% 36 0 0.0% Q2 2026 Aug 14, 2026
CITADEL ADVISORS LLC History No change 91,380 3,561 0.0% 0.0% 37 0 0.0% Q2 2026 Sep 02, 2026
SEGALL BRYANT & HAMILL, LLC History No change 76,010 2,962 0.04% 0.04% 38 0 0.0% Q2 2026 Aug 12, 2026
Trexquant Investment LP History No change 74,811 2,915 0.02% 0.02% 39 0 0.0% Q2 2026 Aug 14, 2026
Nuveen, LLC History No change 71,468 2,785 0.0% 0.0% 40 0 0.0% Q2 2026 Aug 11, 2026
FMR LLC History No change 65,944 2,569 0.0% 0.0% 41 0 0.0% Q2 2026 Aug 13, 2026
PRUDENTIAL FINANCIAL INC History No change 65,739 2,561 0.0% 0.0% 42 0 0.0% Q2 2026 Aug 12, 2026
WELLINGTON MANAGEMENT GROUP LLP History No change 62,979 2,454 0.0% 0.0% 43 0 0.0% Q2 2026 Aug 14, 2026
NEW YORK STATE COMMON RETIREMENT FUND History No change 62,015 2,416 0.0% 0.0% 44 0 0.0% Q2 2026 Jul 29, 2026
COMMONWEALTH EQUITY SERVICES, LLC History No change 57,721 2,249 0.0% 0.0% 45 0 0.0% Q2 2026 Jul 29, 2026
Russell Investments Group, Ltd. History No change 52,741 2,054 0.0% 0.0% 46 0 0.0% Q2 2026 Aug 06, 2026
Bayview Asset Management, LLC History No change 50,000 1,948 0.39% 0.39% 47 0 0.0% Q2 2026 Aug 14, 2026
Cutler Capital Management, LLC History No change 49,428 1,926 0.5% 0.5% 48 0 0.0% Q2 2026 Aug 14, 2026
Universal- Beteiligungs- und Servicegesellschaft mbH History No change 46,241 1,802 0.0% 0.0% 49 0 0.0% Q2 2026 Aug 06, 2026
MARTINGALE ASSET MANAGEMENT L P History No change 41,548 1,619 0.04% 0.04% 50 0 0.0% Q2 2026 Aug 13, 2026
Connor, Clark & Lunn Investment Management Ltd. History No change 41,541 1,618 0.0% 0.0% 51 0 0.0% Q2 2026 Aug 12, 2026
FRANKLIN RESOURCES INC History No change 40,042 1,560 0.0% 0.0% 52 0 0.0% Q2 2026 Aug 13, 2026
KENNEDY CAPITAL MANAGEMENT LLC History No change 38,254 1,490 0.03% 0.03% 53 0 0.0% Q2 2026 Aug 14, 2026
VICTORY CAPITAL MANAGEMENT INC History No change 37,800 1,473 0.0% 0.0% 54 0 0.0% Q2 2026 Aug 07, 2026
Man Group plc History No change 37,570 1,464 0.0% 0.0% 55 0 0.0% Q2 2026 Aug 14, 2026
GSA CAPITAL PARTNERS LLP History No change 37,429 1,459 0.09% 0.09% 56 0 0.0% Q2 2026 Aug 06, 2026
THRIVENT FINANCIAL FOR LUTHERANS History No change 33,657 1,312 0.0% 0.0% 57 0 0.0% Q2 2026 Aug 14, 2026
Campbell & CO Investment Adviser LLC History No change 32,892 1,281 0.07% 0.07% 58 0 0.0% Q2 2026 Aug 03, 2026
Invesco Ltd. History No change 31,793 1,238 0.0% 0.0% 59 0 0.0% Q2 2026 Aug 14, 2026
SEI INVESTMENTS CO History No change 30,790 1,199 0.0% 0.0% 60 0 0.0% Q2 2026 Aug 14, 2026
Vanguard Global Advisers, LLC History No change 26,068 1,015 0.0% 0.0% 61 0 0.0% Q2 2026 Aug 13, 2026
RHUMBLINE ADVISERS History No change 25,431 991 0.0% 0.0% 62 0 0.0% Q2 2026 Aug 11, 2026
Quantinno Capital Management LP History No change 23,839 929 0.0% 0.0% 63 0 0.0% Q2 2026 Aug 13, 2026
Creative Planning History No change 23,631 920 0.0% 0.0% 64 0 0.0% Q2 2026 Aug 13, 2026
MILLENNIUM MANAGEMENT LLC History No change 23,393 911 0.0% 0.0% 65 0 0.0% Q2 2026 Aug 14, 2026
Informed Momentum Co LLC History No change 21,546 839 0.07% 0.07% 66 0 0.0% Q2 2026 Aug 13, 2026
XTX Topco Ltd History No change 20,707 806 0.01% 0.01% 67 0 0.0% Q2 2026 Aug 14, 2026
STRS OHIO History No change 19,800 771 0.0% 0.0% 68 0 0.0% Q2 2026 Jul 30, 2026
AMERIPRISE FINANCIAL INC History No change 19,427 757 0.0% 0.0% 69 0 0.0% Q2 2026 Aug 14, 2026
DEUTSCHE BANK AG\ History No change 19,219 748 0.0% 0.0% 70 0 0.0% Q2 2026 Aug 07, 2026
CITIGROUP INC History No change 17,847 695 0.0% 0.0% 71 0 0.0% Q2 2026 Aug 03, 2026
BNP PARIBAS FINANCIAL MARKETS History No change 16,948 660 0.0% 0.0% 72 0 0.0% Q2 2026 Aug 13, 2026
ALPS ADVISORS INC History No change 16,572 645 0.0% 0.0% 73 0 0.0% Q2 2026 Jul 29, 2026
WELLS FARGO & COMPANY/MN History No change 16,499 642 0.0% 0.0% 74 0 0.0% Q2 2026 Aug 14, 2026
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC History No change 16,185 630 0.01% 0.01% 75 0 0.0% Q2 2026 Aug 14, 2026
PRICE T ROWE ASSOCIATES INC /MD/ History No change 15,812 617 0.0% 0.0% 76 0 0.0% Q2 2026 Aug 14, 2026
Quadrature Capital Ltd History No change 15,129 589 0.01% 0.01% 77 0 0.0% Q2 2026 Aug 06, 2026
Oppenheimer & Close, LLC History No change 14,500 565 0.36% 0.36% 78 0 0.0% Q2 2026 Aug 12, 2026
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC History No change 14,118 548 0.0% 0.0% 79 0 0.0% Q2 2026 Jul 15, 2026
BAILARD, INC. History No change 13,400 522 0.01% 0.01% 80 0 0.0% Q2 2026 Jul 30, 2026
UBS Group AG History No change 13,023 507 0.0% 0.0% 81 0 0.0% Q2 2026 Aug 13, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP History No change 12,741 496 0.0% 0.0% 82 0 0.0% Q2 2026 Aug 13, 2026
Graham Capital Management, L.P. History No change 12,162 473 0.01% 0.01% 83 0 0.0% Q2 2026 Aug 14, 2026
MetLife Investment Management, LLC History No change 11,705 456 0.0% 0.0% 84 0 0.0% Q2 2026 Aug 13, 2026
PANAGORA ASSET MANAGEMENT INC History No change 11,447 446 0.0% 0.0% 85 0 0.0% Q2 2026 Aug 06, 2026
IEQ CAPITAL, LLC History No change 11,144 434 0.0% 0.0% 86 0 0.0% Q2 2026 Aug 11, 2026
GREAT LAKES ADVISORS, LLC History No change 11,043 430 0.0% 0.0% 87 0 0.0% Q2 2026 Aug 10, 2026
Squarepoint Ops LLC History No change 10,995 428 0.0% 0.0% 88 0 0.0% Q2 2026 Aug 14, 2026
D. E. Shaw & Co., Inc. History No change 10,598 413 0.0% 0.0% 89 0 0.0% Q2 2026 Aug 14, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History No change 9,073 353 0.0% 0.0% 90 0 0.0% Q2 2026 Aug 14, 2026
Rafferty Asset Management, LLC History No change 8,833 344 0.0% 0.0% 91 0 0.0% Q2 2026 Aug 14, 2026
BARCLAYS PLC History No change 8,800 342 0.0% 0.0% 92 0 0.0% Q2 2026 Aug 14, 2026
Stonebrook Private Inc. History No change 8,759 341 0.06% 0.06% 93 0 0.0% Q2 2026 Aug 14, 2026
MERCER GLOBAL ADVISORS INC /ADV History No change 8,625 336 0.0% 0.0% 94 0 0.0% Q2 2026 Aug 19, 2026
STATE OF WISCONSIN INVESTMENT BOARD History No change 8,310 323 0.0% 0.0% 95 0 0.0% Q2 2026 Aug 14, 2026
Engineers Gate Manager LP History No change 7,836 305 0.0% 0.0% 96 0 0.0% Q2 2026 Aug 14, 2026
Sterling Capital Management LLC History No change 7,687 299 0.01% 0.01% 97 0 0.0% Q2 2026 Jul 28, 2026
SG Americas Securities, LLC History No change 7,517 293 0.0% 0.0% 98 0 0.0% Q2 2026 Aug 07, 2026
CARY STREET PARTNERS FINANCIAL LLC History No change 7,450 290 0.01% 0.01% 99 0 0.0% Q2 2026 Jul 17, 2026
FIRST TRUST ADVISORS LP History No change 7,108 276 0.0% 0.0% 100 0 0.0% Q2 2026 Aug 11, 2026
Virtu Financial LLC History No change 6,892 269 0.01% 0.01% 101 0 0.0% Q2 2026 Aug 13, 2026
BANK OF NOVA SCOTIA History No change 6,600 257 0.0% 0.0% 102 0 0.0% Q2 2026 Aug 12, 2026
Mariner, LLC History No change 6,554 255 0.0% 0.0% 103 0 0.0% Q2 2026 Aug 13, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History No change 6,100 237 0.0% 0.0% 104 0 0.0% Q2 2026 Aug 14, 2026
Police & Firemen's Retirement System of New Jersey History No change 6,000 233 0.0% 0.0% 105 0 0.0% Q2 2026 Jul 23, 2026
INTECH INVESTMENT MANAGEMENT LLC History No change 5,780 225 0.0% 0.0% 106 0 0.0% Q2 2026 Aug 10, 2026
Cerity Partners LLC History No change 5,625 219 0.0% 0.0% 107 0 0.0% Q2 2026 Aug 14, 2026
Focus Partners Wealth History No change 5,383 209 0.0% 0.0% 108 0 0.0% Q2 2026 Aug 12, 2026
Legal & General Group Plc History No change 3,990 155 0.0% 0.0% 109 0 0.0% Q2 2026 Aug 14, 2026
LOS ANGELES CAPITAL MANAGEMENT LLC History No change 3,705 144 0.0% 0.0% 110 0 0.0% Q2 2026 Aug 13, 2026
Allworth Financial LP History No change 3,251 126 0.0% 0.0% 111 0 0.0% Q2 2026 Aug 11, 2026
TOMPKINS FINANCIAL CORP History No change 2,739 106 0.01% 0.01% 112 0 0.0% Q3 2026 Oct 05, 2026
Tower Research Capital LLC (TRC) History No change 2,256 87 0.0% 0.0% 113 0 0.0% Q2 2026 Aug 11, 2026
Pinnacle Wealth Planning Services, Inc. History No change 2,021 78 0.01% 0.01% 114 0 0.0% Q2 2026 Aug 07, 2026
Ameritas Investment Partners, Inc. History No change 1,613 62 0.0% 0.0% 115 0 0.0% Q2 2026 Aug 13, 2026
CANADA LIFE ASSURANCE Co History No change 1,557 61 0.0% 0.0% 116 0 0.0% Q2 2026 Aug 13, 2026
Rockefeller Capital Management L.P. History No change 1,565 60 0.0% 0.0% 117 0 0.0% Q2 2026 Aug 13, 2026
Quantbot Technologies LP History No change 1,426 55 0.0% 0.0% 118 0 0.0% Q2 2026 Aug 12, 2026
Arax Advisory Partners History No change 1,364 53 0.0% 0.0% 119 0 0.0% Q2 2026 Aug 10, 2026
ROYAL BANK OF CANADA History No change 1,225 47 0.0% 0.0% 120 0 0.0% Q2 2026 Aug 14, 2026
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC History No change 1,030 40 0.0% 0.0% 121 0 0.0% Q2 2026 Aug 13, 2026
Larson Financial Group LLC History No change 1,010 39 0.0% 0.0% 122 0 0.0% Q2 2026 Aug 14, 2026
FIFTH THIRD BANCORP History No change 982 38 0.0% 0.0% 123 0 0.0% Q2 2026 Aug 05, 2026
Smartleaf Asset Management LLC History No change 657 25 0.0% 0.0% 124 0 0.0% Q2 2026 Aug 12, 2026
FIRST HORIZON CORP History No change 641 24 0.0% 0.0% 125 0 0.0% Q2 2026 Jul 20, 2026
JONES FINANCIAL COMPANIES LLLP History No change 550 21 0.0% 0.0% 126 0 0.0% Q2 2026 Aug 14, 2026
GAMMA Investing LLC History No change 546 21 0.0% 0.0% 127 0 0.0% Q2 2026 Jul 07, 2026
OSAIC HOLDINGS, INC. History No change 507 19 0.0% 0.0% 128 0 0.0% Q2 2026 Aug 14, 2026
SIMPLEX TRADING, LLC History No change 447 17 0.0% 0.0% 129 0 0.0% Q2 2026 Aug 12, 2026
EverSource Wealth Advisors, LLC History No change 397 15 0.0% 0.0% 130 0 0.0% Q2 2026 Jul 24, 2026
PNC FINANCIAL SERVICES GROUP, INC. History No change 338 13 0.0% 0.0% 131 0 0.0% Q2 2026 Aug 07, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History No change 271 10 0.0% 0.0% 132 0 0.0% Q2 2026 Aug 24, 2026
Versant Capital Management, Inc History No change 274 10 0.0% 0.0% 133 0 0.0% Q3 2026 Oct 01, 2026
Community Bank, N.A. History No change 250 9 0.0% 0.0% 134 0 0.0% Q2 2026 Aug 13, 2026
SBI Securities Co., Ltd. History No change 255 9 0.0% 0.0% 135 0 0.0% Q2 2026 Jul 22, 2026
Farther Finance Advisors, LLC History No change 254 9 0.0% 0.0% 136 0 0.0% Q2 2026 Jul 17, 2026
NISA INVESTMENT ADVISORS, LLC History No change 213 8 0.0% 0.0% 137 0 0.0% Q2 2026 Aug 10, 2026
FEDERATED HERMES, INC. History No change 192 7 0.0% 0.0% 138 0 0.0% Q2 2026 Aug 12, 2026
Silver Grove Financial Group, Inc. History No change 171 6 0.0% 0.0% 139 0 0.0% Q2 2026 Aug 13, 2026
ROTHSCHILD INVESTMENT LLC History No change 137 5 0.0% 0.0% 140 0 0.0% Q2 2026 Aug 06, 2026
IFP Advisors, Inc History No change 124 4 0.0% 0.0% 141 0 0.0% Q2 2026 Jul 20, 2026
Stone House Investment Management, LLC History No change 115 4 0.0% 0.0% 142 0 0.0% Q2 2026 Aug 05, 2026
Essential Partners LLC History No change 118 4 0.0% 0.0% 143 0 0.0% Q2 2026 Aug 10, 2026
Basecamp Wealth Advisors LLC History No change 80 3 0.0% 0.0% 144 0 0.0% Q2 2026 Aug 14, 2026
PICTON MAHONEY ASSET MANAGEMENT History No change 60 2 0.0% 0.0% 145 0 0.0% Q2 2026 Aug 13, 2026
Capital Advisors, Ltd. LLC History No change 39 2 0.0% 0.0% 146 0 0.0% Q2 2026 Jul 16, 2026
Parkside Financial Bank & Trust History No change 40 1 0.0% 0.0% 147 0 0.0% Q2 2026 Sep 04, 2026
Optiver Holding B.V. History No change 46 1 0.0% 0.0% 148 0 0.0% Q2 2026 Aug 12, 2026
True Wealth Design, LLC History No change 40 1 0.0% 0.0% 149 0 0.0% Q2 2026 Jul 16, 2026
US BANCORP \DE\ History No change 11 0 — — — 0 0.0% Q2 2026 Aug 12, 2026
HUNTINGTON NATIONAL BANK History No change 1 0 — — — 0 0.0% Q2 2026 Aug 13, 2026
Clearstead Advisors, LLC History No change 25 0 — — — 0 0.0% Q2 2026 Aug 06, 2026
ASSETMARK, INC History No change 4 0 — — — 0 0.0% Q2 2026 Jul 30, 2026
GHP Investment Advisors, Inc. History No change 1 0 — — — 0 0.0% Q2 2026 Jul 17, 2026
SJS Investment Consulting Inc. History No change 11 0 — — — 0 0.0% Q2 2026 Jul 22, 2026
Covestor Ltd History No change 7 0 — — — 0 0.0% Q2 2026 Aug 07, 2026
Caitong International Asset Management Co., Ltd History No change 1 0 — — — 0 0.0% Q2 2026 Aug 04, 2026
JPL Wealth Management, LLC History No change 5 0 — — — 0 0.0% Q2 2026 Aug 13, 2026
Hughes Financial Services, LLC History No change 1 0 — — — 0 0.0% Q2 2026 Jul 20, 2026
Wealth Enhancement Trust Services, Inc. History No change 6 0 — — — 0 0.0% Q2 2026 Jul 22, 2026