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FIISP — Financial Institutions Inc Institutional Holders · Q2 2026

Who owns Financial Institutions Inc (FIISP)? 1 institutions reported holding $15,588 in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Simplex Trading, LLC ($15,588).

RankInstitutionValueSharesChange
1SIMPLEX TRADING, LLC$15,588400Trimmed

Source: SEC Form 13F filings · as of 2026-06-30