Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in FISI held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | PL Capital Advisors, LLC | 1.8M | $57.6M | +0.7% | 9.226% | 17.37% |
| 2 | BlackRock, Inc. | 1.5M | $46.9M | +1.1% | 7.509% | 0.00% |
| 3 | DIMENSIONAL FUND ADVISORS LP | 958K | $30.4M | +0.2% | 4.865% | 0.01% |
| 4 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 948K | $30.1M | -2.4% | 4.818% | 0.05% |
| 5 | WELLINGTON MANAGEMENT GROUP LLP | 900K | $28.6M | -14.2% | 4.575% | 0.01% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 836K | $26.5M | — | 4.245% | 0.00% |
| 7 | STATE STREET CORP | 579K | $18.5M | +14.1% | 2.942% | 0.00% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 569K | $18.0M | +17.9% | 2.889% | 0.00% |
| 9 | Ategra Capital Management, LLC | 564K | $17.9M | -1.4% | 2.866% | 8.89% |
| 10 | RAYMOND JAMES FINANCIAL INC | 349K | $11.1M | — | 1.773% | 0.00% |
| 11 | TWO SIGMA INVESTMENTS, LP | 275K | $8.7M | +68.0% | 1.396% | 0.01% |
| 12 | MORGAN STANLEY | 261K | $8.3M | -22.7% | 1.325% | 0.00% |
| 13 | ALLIANCEBERNSTEIN L.P. | 253K | $7.9M | +5.5% | 1.286% | 0.00% |
| 14 | GOLDMAN SACHS GROUP INC | 245K | $7.8M | +14.3% | 1.246% | 0.00% |
| 15 | Hillsdale Investment Management Inc. | 233K | $7.4M | — | 1.184% | 0.20% |
| 16 | VANGUARD PORTFOLIO MANAGEMENT LLC | 213K | $6.8M | — | 1.082% | 0.00% |
| 17 | ProShare Advisors LLC | 204K | $6.5M | +4.5% | 1.038% | 0.01% |
| 18 | UBS Group AG | 203K | $6.4M | +677.9% | 1.031% | 0.00% |
| 19 | RENAISSANCE TECHNOLOGIES LLC | 203K | $6.4M | -25.2% | 1.031% | 0.01% |
| 20 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 202K | $6.4M | -44.0% | 1.028% | 0.02% |
| 21 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 171K | $5.4M | +4.8% | 0.870% | 0.11% |
| 22 | NORTHERN TRUST CORP | 166K | $5.2M | +3.3% | 0.841% | 0.00% |
| 23 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 160K | $5.1M | -5.1% | 0.814% | 0.00% |
| 24 | AQR CAPITAL MANAGEMENT LLC | 158K | $5.0M | +67.1% | 0.803% | 0.00% |
| 25 | CANANDAIGUA NATIONAL CORP | 155K | $4.9M | — | 0.787% | 0.44% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in FISI — a direct measure of their conviction.
Filings activity in FISI during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 147 | 0.7% | 62.79% | 0.59 pp | $468M | 0.9% |
| Q4 2025 | 148 | +7.2% | 63.38% | +8.24 pp | $473M | +15% |
| Q3 2025 | 138 | +7.8% | 55.14% | +3.21 pp | $411M | +6.2% |
| Q2 2025 | 128 | 6.6% | 51.93% | +0.14 pp | $387M | +0.3% |
| Q1 2025 | 137 | 4.2% | 51.79% | +2.16 pp | $386M | +4.4% |
| Q4 2024 | 143 | +18% | 49.63% | +15.43 pp | $370M | +45% |
| Q3 2024 | 121 | +13% | 34.20% | +12.84 pp | $255M | +60% |
| Q2 2024 | 107 | — | 21.36% | — | $159M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying FISI stock.
Based on Q1 2026 13F filings, institutional ownership of Financial Institutions, Inc. stands at 62.8%, held across 147 reporting institutions.
PL Capital Advisors, LLC is the largest reported institutional holder of FISI, with approximately 1,816,102 shares worth $0.06B as of Q1 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of FISI, including TWO SIGMA INVESTMENTS, LP, RENAISSANCE TECHNOLOGIES LLC.
Our composite Smart Money Score for FISI is 46 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
26 institutions opened new positions in FISI during Q1 2026, while 27 fully exited. 83 added to existing positions and 36 trimmed.
FISI institutional ownership fell by 0.59 percentage points quarter-over-quarter, with a net change of -1 holders.
The top 10 institutions account for 60.9% of all reported 13F value in FISI, and the top 25 account for 81.9%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Financial Institutions, Inc. (FISI) Institutional Ownership