FINANCIAL INSTITUTIONS INC - FISI

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
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 Added to 1,802,791 56,192 17.71% 16.02% 1 +27,905 1.57% Q4 2025 Feb 10, 2026
BlackRock, Inc. History Added to 1,461,503 45,555 0.0% 0.0% 2 +10,693 0.74% Q4 2025 Feb 12, 2026
VANGUARD GROUP INC History Added to 1,157,026 36,064 0.0% 0.0% 3 +61,598 5.62% Q4 2025 Jan 29, 2026
WELLINGTON MANAGEMENT GROUP LLP History Added to 1,049,295 32,706 0.01% 0.0% 4 +312,470 42.41% Q4 2025 Feb 17, 2026
ADAGE CAPITAL PARTNERS GP, L.L.C. History Added to 972,043 30,298 0.05% 0.03% 5 +160,825 19.83% Q4 2025 Feb 17, 2026
DIMENSIONAL FUND ADVISORS LP History Added to 955,906 29,795 0.01% 0.01% 6 +4,801 0.5% Q4 2025 Feb 12, 2026
Ategra Capital Management, LLC History No change 572,075 17,831 8.48% 9.18% 7 0 0.0% Q4 2025 Feb 17, 2026
STATE STREET CORP History Reduced 507,389 15,984 0.0% 0.0% 8 -37,265 -6.84% Q4 2025 Feb 13, 2026
GEODE CAPITAL MANAGEMENT, LLC History Reduced 482,155 15,032 0.0% 0.0% 9 -3,834 -0.79% Q4 2025 Feb 09, 2026
ACADIAN ASSET MANAGEMENT LLC History Added to 426,036 13,275 0.02% 0.01% 10 +150,642 54.7% Q4 2025 Feb 10, 2026
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC History Reduced 361,452 11,266 0.03% 0.03% 11 -3,660 -1.0% Q4 2025 Feb 17, 2026
COMMONWEALTH EQUITY SERVICES, LLC History Added to 355,476 11,080 0.01% 0.01% 12 +21,190 6.34% Q4 2025 Feb 12, 2026
MORGAN STANLEY History Added to 337,488 10,519 0.0% 0.0% 13 +72,559 27.39% Q4 2025 Feb 13, 2026
JPMORGAN CHASE & CO History Reduced 288,077 8,979 0.0% 0.0% 14 -89,663 -23.74% Q4 2025 Feb 11, 2026
RENAISSANCE TECHNOLOGIES LLC History Reduced 271,300 8,456 0.01% 0.01% 15 -40,192 -12.9% Q4 2025 Feb 12, 2026
Fourthstone LLC History Reduced 254,501 7,932 1.48% 1.57% 16 -67,701 -21.01% Q4 2025 Feb 13, 2026
ALLIANCEBERNSTEIN L.P. History Added to 240,126 7,484 0.0% 0.0% 17 +20,210 9.19% Q4 2025 Feb 17, 2026
Rhino Investment Partners, Inc History Reduced 215,887 6,729 1.91% 1.89% 18 -4,358 -1.98% Q4 2025 Feb 17, 2026
GOLDMAN SACHS GROUP INC History Reduced 214,584 6,688 0.0% 0.0% 19 -5,032 -2.29% Q4 2025 Mar 25, 2026
ProShare Advisors LLC History Reduced 195,512 6,094 0.01% 0.03% 20 -264,286 -57.48% Q4 2025 Feb 06, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Added to 168,746 5,259 0.0% 0.0% 21 +774 0.46% Q4 2025 Feb 13, 2026
LSV ASSET MANAGEMENT History No change 167,500 5,221 0.01% 0.01% 22 0 0.0% Q4 2025 Feb 06, 2026
TWO SIGMA INVESTMENTS, LP History Reduced 163,527 5,097 0.01% 0.01% 23 -11,900 -6.78% Q4 2025 Feb 17, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History Added to 163,507 5,096 0.11% 0.09% 24 +8,994 5.82% Q4 2025 Feb 17, 2026
NORTHERN TRUST CORP History Reduced 160,286 4,996 0.0% 0.0% 25 -9,543 -5.62% Q4 2025 Feb 17, 2026
CANANDAIGUA NATIONAL BANK & TRUST CO History Reduced 155,046 4,832 0.43% 0.55% 26 -35,854 -18.78% Q4 2025 Jan 30, 2026
MALTESE CAPITAL MANAGEMENT LLC History Reduced 145,000 4,519 0.8% 0.87% 27 -66,000 -31.28% Q4 2025 Feb 17, 2026
Palisades Investment Partners, LLC History Added to 140,942 4,433 1.67% 1.48% 28 +3,420 2.49% Q4 2025 Jan 20, 2026
Bank of New York Mellon Corp History Reduced 121,430 3,784 0.0% 0.0% 29 -13,028 -9.69% Q4 2025 Feb 10, 2026
COURIER CAPITAL LLC History Reduced 115,900 3,612 0.2% 0.21% 30 -17,108 -12.86% Q4 2025 Jan 29, 2026
TWO SIGMA ADVISERS, LP History Added to 109,387 3,409 0.01% 0.01% 31 +4,100 3.89% Q4 2025 Feb 17, 2026
MENDON CAPITAL ADVISORS CORP History Reduced 100,000 3,117 0.92% 1.11% 32 -6,022 -5.68% Q4 2025 Feb 18, 2026
Curi Capital, LLC History No change 100,000 3,117 0.05% 0.05% 33 0 0.0% Q4 2025 Feb 17, 2026
Verition Fund Management LLC History Reduced 97,277 3,032 0.01% 0.04% 34 -266,925 -73.29% Q4 2025 Feb 13, 2026
AQR CAPITAL MANAGEMENT LLC History Added to 94,577 2,947 0.0% 0.0% 35 +91 0.1% Q4 2025 Feb 17, 2026
Trexquant Investment LP History Added to 92,246 2,875 0.03% 0.02% 36 +22,391 32.05% Q4 2025 Feb 17, 2026
SEGALL BRYANT & HAMILL, LLC History Reduced 71,985 2,243 0.03% 0.03% 37 -39 -0.05% Q4 2025 Feb 13, 2026
O'SHAUGHNESSY ASSET MANAGEMENT, LLC History Reduced 60,934 1,899 0.01% 0.01% 38 -1,142 -1.84% Q4 2025 Feb 11, 2026
FMR LLC History Added to 60,768 1,894 0.0% 0.0% 39 +14,135 30.31% Q4 2025 Feb 17, 2026
BANK OF AMERICA CORP /DE/ History Reduced 59,457 1,853 0.0% 0.0% 40 -22,150 -27.14% Q4 2025 Feb 17, 2026
NEW YORK STATE COMMON RETIREMENT FUND History No change 59,415 1,851 0.0% 0.0% 41 0 0.0% Q4 2025 Feb 12, 2026
AMERICAN CENTURY COMPANIES INC History Added to 54,148 1,687 0.0% 0.0% 42 +1,463 2.78% Q4 2025 Feb 13, 2026
THRIVENT FINANCIAL FOR LUTHERANS History Reduced 52,196 1,627 0.0% 0.0% 43 -1,170 -2.19% Q4 2025 Feb 05, 2026
Bayview Asset Management, LLC History No change 50,000 1,558 0.36% 0.33% 44 0 0.0% Q4 2025 Feb 13, 2026
Cutler Capital Management, LLC History Added to 49,428 1,540 0.45% 0.42% 45 +1,100 2.28% Q4 2025 Feb 13, 2026
KENNEDY CAPITAL MANAGEMENT LLC History No change 46,348 1,444 0.03% 0.03% 46 0 0.0% Q4 2025 Feb 13, 2026
Universal- Beteiligungs- und Servicegesellschaft mbH History Added to 46,176 1,439 0.0% 0.0% 47 +76 0.16% Q4 2025 Jan 28, 2026
AMERIPRISE FINANCIAL INC History No change 41,527 1,294 0.0% 0.0% 48 0 0.0% Q4 2025 Feb 17, 2026
Russell Investments Group, Ltd. History Added to 38,449 1,198 0.0% 0.0% 49 +872 2.32% Q4 2025 Feb 17, 2026
VICTORY CAPITAL MANAGEMENT INC History Reduced 37,972 1,183 0.0% 0.0% 50 -1,528 -3.87% Q4 2025 Feb 13, 2026
Nuveen, LLC History No change 37,026 1,154 0.0% 0.0% 51 0 0.0% Q4 2025 Feb 12, 2026
BARCLAYS PLC History Added to 36,320 1,132 0.0% 0.0% 52 +6,778 22.94% Q4 2025 Feb 13, 2026
Invesco Ltd. History Reduced 35,293 1,100 0.0% 0.0% 53 -3,853 -9.84% Q4 2025 Feb 19, 2026
Numerai GP LLC History Reduced 30,508 950 0.11% 0.13% 54 -2,556 -7.73% Q4 2025 Feb 17, 2026
Y-Intercept (Hong Kong) Ltd History Added to 29,072 906 0.02% 0.02% 55 +2,608 9.85% Q4 2025 Feb 13, 2026
GSA CAPITAL PARTNERS LLP History Added to 28,305 882 0.08% 0.04% 56 +10,031 54.89% Q4 2025 Feb 06, 2026
JANE STREET GROUP, LLC History Reduced 27,410 854 0.0% 0.0% 57 -10,874 -28.4% Q4 2025 Feb 12, 2026
UBS Group AG History Reduced 26,100 813 0.0% 0.0% 58 -12,322 -32.07% Q4 2025 Jan 29, 2026
RHUMBLINE ADVISERS History Reduced 25,574 797 0.0% 0.0% 59 -4,478 -14.9% Q4 2025 Feb 13, 2026
FEDERATED HERMES, INC. History Reduced 25,114 782 0.0% 0.0% 60 -44,011 -63.67% Q4 2025 Feb 12, 2026
XTX Topco Ltd History Added to 23,899 744 0.02% 0.01% 61 +15,444 182.66% Q4 2025 Feb 17, 2026
CITADEL ADVISORS LLC History Added to 23,274 725 0.0% 0.0% 62 +14,695 171.29% Q4 2025 Feb 17, 2026
WELLS FARGO & COMPANY/MN History Added to 22,981 716 0.0% 0.0% 63 +7,044 44.2% Q4 2025 Feb 13, 2026
Creative Planning History Added to 18,334 571 0.0% 0.0% 64 +412 2.3% Q4 2025 Feb 17, 2026
Point72 Asset Management, L.P. History New 17,987 560 0.0% 65 +17,987 New Q4 2025 Feb 17, 2026
Quantinno Capital Management LP History Added to 17,309 539 0.0% 0.0% 66 +2,135 14.07% Q4 2025 Feb 17, 2026
AlphaQuest LLC History Added to 17,064 531 0.03% 0.03% 67 +729 4.46% Q4 2025 Feb 09, 2026
SEI INVESTMENTS CO History Added to 16,879 526 0.0% 0.0% 68 +1,957 13.11% Q4 2025 Feb 13, 2026
FRANKLIN RESOURCES INC History Reduced 16,837 524 0.0% 0.0% 69 -6,948 -29.21% Q4 2025 Feb 11, 2026
MARSHALL WACE, LLP History Reduced 15,924 496 0.0% 0.0% 70 -1,472 -8.46% Q4 2025 Feb 13, 2026
Rafferty Asset Management, LLC History Reduced 15,084 470 0.0% 0.0% 71 -9,289 -38.11% Q4 2025 Feb 13, 2026
D. E. Shaw & Co., Inc. History Reduced 14,639 456 0.0% 0.0% 72 -7,370 -33.49% Q4 2025 Feb 17, 2026
DEUTSCHE BANK AG\ History Reduced 14,468 450 0.0% 0.0% 73 -122 -0.84% Q4 2025 Feb 11, 2026
CAPTRUST FINANCIAL ADVISORS History New 13,473 419 0.0% 74 +13,473 New Q4 2025 Feb 17, 2026
Brandywine Global Investment Management, LLC History New 12,230 381 0.0% 75 +12,230 New Q4 2025 Feb 11, 2026
PRICE T ROWE ASSOCIATES INC /MD/ History Added to 11,765 367 0.0% 0.0% 76 +1,232 11.7% Q4 2025 Feb 17, 2026
MILLENNIUM MANAGEMENT LLC History Reduced 11,695 364 0.0% 0.0% 77 -172,923 -93.67% Q4 2025 Feb 17, 2026
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC History Added to 11,475 357 0.01% 0.01% 78 +88 0.77% Q4 2025 Feb 17, 2026
CITIGROUP INC History Reduced 11,235 350 0.0% 0.0% 79 -3,356 -23.0% Q4 2025 Feb 13, 2026
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC History Added to 11,137 350 0.0% 0.0% 80 +126 1.14% Q4 2025 Jan 08, 2026
MetLife Investment Management, LLC History No change 11,210 349 0.0% 0.0% 81 0 0.0% Q4 2025 Feb 12, 2026
Campbell & CO Investment Adviser LLC History Reduced 11,182 348 0.02% 0.03% 82 -1,328 -10.62% Q4 2025 Feb 12, 2026
PRUDENTIAL FINANCIAL INC History Reduced 10,809 336 0.0% 0.0% 83 -8,714 -44.63% Q4 2025 Feb 13, 2026
GREAT LAKES ADVISORS, LLC History Reduced 10,764 335 0.0% 0.0% 84 -337 -3.04% Q4 2025 Feb 12, 2026
Graham Capital Management, L.P. History New 9,734 303 0.01% 85 +9,734 New Q4 2025 Feb 17, 2026
Connor, Clark & Lunn Investment Management Ltd. History New 9,436 294 0.0% 86 +9,436 New Q4 2025 Feb 10, 2026
Brooklyn Investment Group History New 9,061 286 0.01% 88 +9,061 New Q4 2025 Feb 12, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History Added to 9,202 286 0.0% 0.0% 87 +99 1.09% Q4 2025 Feb 17, 2026
Stonebrook Private Inc. History Added to 8,669 270 0.06% 0.05% 89 +16 0.18% Q4 2025 Feb 11, 2026
CWM, LLC History Added to 8,568 267 0.0% 0.0% 90 +34 0.4% Q4 2025 Jan 26, 2026
SG Americas Securities, LLC History New 8,354 260 0.0% 91 +8,354 New Q4 2025 Jan 09, 2026
FIRST TRUST ADVISORS LP History Reduced 8,025 250 0.0% 0.0% 92 -3,150 -28.19% Q4 2025 Feb 13, 2026
Daytona Street Capital LLC History New 8,000 249 0.19% 93 +8,000 New Q4 2025 Jan 21, 2026
Brevan Howard Capital Management LP History New 7,980 248 0.0% 94 +7,980 New Q4 2025 Feb 17, 2026
AIGEN INVESTMENT MANAGEMENT, LP History New 7,547 235 0.05% 95 +7,547 New Q4 2025 Feb 13, 2026
Aquatic Capital Management LLC History Reduced 7,509 234 0.01% 0.01% 96 -4,638 -38.18% Q4 2025 Feb 17, 2026
CARY STREET PARTNERS FINANCIAL LLC History No change 7,450 232 0.01% 0.01% 97 0 0.0% Q4 2025 Feb 09, 2026
INTECH INVESTMENT MANAGEMENT LLC History Reduced 7,271 226 0.0% 0.0% 98 -1,558 -17.65% Q4 2025 Feb 10, 2026
MARTINGALE ASSET MANAGEMENT L P History Reduced 7,200 224 0.01% 0.01% 99 -900 -11.11% Q4 2025 Feb 13, 2026
BNP PARIBAS FINANCIAL MARKETS History Added to 6,130 191 0.0% 0.0% 100 +2,030 49.51% Q4 2025 Feb 10, 2026
Police & Firemen's Retirement System of New Jersey History Reduced 4,841 150 0.0% 0.0% 101 -1,228 -20.23% Q4 2025 Feb 13, 2026
LOS ANGELES CAPITAL MANAGEMENT LLC History New 4,115 117 0.0% 102 +4,115 New Q4 2025 Feb 11, 2026
Allworth Financial LP History New 2,889 90 0.0% 103 +2,889 New Q4 2025 Feb 05, 2026
TOMPKINS FINANCIAL CORP History No change 2,739 85 0.01% 0.01% 104 0 0.0% Q4 2025 Jan 08, 2026
EMC Capital Management History Reduced 2,542 79 0.04% 0.04% 105 -449 -15.01% Q4 2025 Mar 09, 2026
SIMPLEX TRADING, LLC History New 2,390 74 0.0% 106 +2,390 New Q4 2025 Feb 11, 2026
Pinnacle Wealth Planning Services, Inc. History New 2,084 64 0.01% 107 +2,084 New Q4 2025 Feb 13, 2026
Legal & General Group Plc History Reduced 1,728 53 0.0% 0.0% 108 -100 -5.47% Q4 2025 Feb 09, 2026
EverSource Wealth Advisors, LLC History Reduced 1,649 51 0.0% 0.0% 110 -9 -0.54% Q4 2025 Feb 06, 2026
COMERICA BANK History No change 1,647 51 0.0% 0.0% 109 0 0.0% Q4 2025 Jan 29, 2026
CANADA LIFE ASSURANCE Co History Added to 1,607 50 0.0% 0.0% 111 +497 44.77% Q4 2025 Feb 13, 2026
Ameritas Investment Partners, Inc. History Reduced 1,613 50 0.0% 0.0% 112 -323 -16.68% Q4 2025 Feb 11, 2026
Tower Research Capital LLC (TRC) History Added to 1,274 39 0.0% 0.0% 113 +159 14.26% Q4 2025 Feb 17, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History Reduced 1,223 38 0.0% 0.0% 114 -18 -1.45% Q4 2025 Feb 17, 2026
Sterling Capital Management LLC History Reduced 1,162 36 0.0% 0.0% 115 -209 -15.24% Q4 2025 Feb 13, 2026
MAI Capital Management History New 1,003 31 0.0% 116 +1,003 New Q4 2025 Feb 13, 2026
Larson Financial Group LLC History Reduced 1,025 31 0.0% 0.0% 117 -145 -12.39% Q4 2025 Feb 06, 2026
ROYAL BANK OF CANADA History New 980 30 0.0% 118 +980 New Q4 2025 Feb 17, 2026
Smartleaf Asset Management LLC History Added to 762 23 0.0% 119 +742 3710.0% Q4 2025 Feb 13, 2026
OSAIC HOLDINGS, INC. History Reduced 649 20 0.0% 0.0% 120 -49 -7.02% Q4 2025 Feb 17, 2026
AMALGAMATED BANK History Reduced 624 19 0.0% 0.0% 121 -36 -5.45% Q4 2025 Feb 05, 2026
GAMMA Investing LLC History Added to 501 15 0.0% 0.0% 123 +33 7.05% Q4 2025 Jan 05, 2026
NBT BANK N A /NY History No change 500 15 0.0% 0.0% 122 0 0.0% Q4 2025 Jan 23, 2026
Arax Advisory Partners History Reduced 387 12 0.0% 0.0% 124 -1,997 -83.77% Q4 2025 Feb 13, 2026
Versant Capital Management, Inc History No change 274 8 0.0% 0.0% 125 0 0.0% Q4 2025 Jan 08, 2026
Rockefeller Capital Management L.P. History New 247 7 0.0% 127 +247 New Q4 2025 Mar 16, 2026
Farther Finance Advisors, LLC History Added to 240 7 0.0% 0.0% 128 +156 185.71% Q4 2025 Jan 23, 2026
Community Bank, N.A. History No change 250 7 0.0% 0.0% 126 0 0.0% Q4 2025 Feb 04, 2026
NISA INVESTMENT ADVISORS, LLC History Reduced 211 6 0.0% 0.0% 129 -134 -38.84% Q4 2025 Jan 15, 2026
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC History New 157 4 0.0% 130 +157 New Q4 2025 Feb 13, 2026
Optiver Holding B.V. History No change 158 4 0.0% 0.0% 131 0 0.0% Q4 2025 Feb 17, 2026
Eurizon Capital SGR S.p.A. History New 124 3 0.0% 134 +124 New Q4 2025 Feb 10, 2026
FNY Investment Advisers, LLC History New 100 3 0.0% 133 +100 New Q4 2025 Jan 16, 2026
Stone House Investment Management, LLC History Added to 115 3 0.0% 0.0% 132 +34 41.98% Q4 2025 Jan 21, 2026
PNC FINANCIAL SERVICES GROUP, INC. History Added to 83 2 0.0% 0.0% 135 +5 6.41% Q4 2025 Feb 06, 2026
SBI Securities Co., Ltd. History Reduced 55 1 0.0% 0.0% 138 -22 -28.57% Q4 2025 Feb 03, 2026
Parkside Financial Bank & Trust History No change 40 1 0.0% 0.0% 136 0 0.0% Q4 2025 Feb 13, 2026
Capital Advisors, Ltd. LLC History No change 39 1 0.0% 0.0% 137 0 0.0% Q4 2025 Jan 21, 2026
True Wealth Design, LLC History No change 40 1 0.0% 0.0% 139 0 0.0% Q4 2025 Jan 08, 2026
BANC FUNDS CO LLC History Closed out 0 0 0.49% -104,000 -100.0% Q3 2025 Nov 14, 2025
Empowered Funds, LLC History Closed out 0 0 0.02% -84,513 -100.0% Q3 2025 Nov 13, 2025
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP History Closed out 0 0 0.0% -83,234 -100.0% Q3 2025 Nov 13, 2025
Engineers Gate Manager LP History Closed out 0 0 0.01% -19,148 -100.0% Q3 2025 Nov 14, 2025
OXFORD ASSET MANAGEMENT LLP History Closed out 0 0 2.08% -16,012 -100.0% Q3 2025 Feb 17, 2026
Qube Research & Technologies Ltd History Closed out 0 0 0.0% -11,768 -100.0% Q3 2025 Nov 14, 2025
Quantbot Technologies LP History Closed out 0 0 0.01% -9,095 -100.0% Q3 2025 Nov 12, 2025
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Closed out 0 0 0.0% -8,211 -100.0% Q3 2025 Nov 14, 2025
Advisory Services Network, LLC History Closed out 0 0 0.0% -1,937 -100.0% Q3 2025 Nov 18, 2025
Quarry LP History Closed out 0 0 0.0% -774 -100.0% Q3 2025 Nov 14, 2025
ESL Trust Services, LLC History Closed out 0 0 0.0% -150 -100.0% Q3 2025 Nov 04, 2025
SIGNATUREFD, LLC History New 19 0 +19 New Q4 2025 Jan 20, 2026
Parallel Advisors, LLC History New 13 0 +13 New Q4 2025 Feb 11, 2026
HUNTINGTON NATIONAL BANK History No change 1 0 0 0.0% Q4 2025 Feb 09, 2026
ROTHSCHILD INVESTMENT LLC History No change 20 0 0 0.0% Q4 2025 Feb 10, 2026
Clearstead Advisors, LLC History No change 2 0 0 0.0% Q4 2025 Feb 09, 2026
ASSETMARK, INC History No change 4 0 0 0.0% Q4 2025 Jan 23, 2026
IFP Advisors, Inc History No change 2 0 0 0.0% Q4 2025 Feb 06, 2026
Covestor Ltd History No change 1 0 0 0.0% Q4 2025 Feb 06, 2026
Root Financial Partners, LLC History No change 27 0 0 0.0% Q4 2025 Feb 10, 2026