13F Filings/FISI

FINANCIAL INSTITUTIONS INC (FISI): Institutional Ownership

Hedge funds and institutional managers reporting a position in FISI · Financials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
12
13F filers
Aggregate Value
$51.7M
Across holders
Last Price
$38.93
2026-06-26
Sector
Financials
GICS
Holder activity4 new4 added4 reduced
Institutional Holders of FISI
↗
12 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
Hedge Fund948K$30.1M58.1%0.0%Reduced$-748KQ1 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund275K$8.7M16.8%0.0%Added+$3.5MQ1 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund203K$6.4M12.4%0.0%Reduced$-2.2MQ1 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund68K$2.1M4.1%0.0%New—Q1 2026
Verition Fund Management LLC
CIK 0001454027
Hedge Fund52K$1.7M3.2%0.0%Reduced$-1.4MQ1 2026
Man Group plc
CIK 0001637460
Hedge Fund30K$949K1.8%0.0%New—Q1 2026
ExodusPoint Capital Management, LP
CIK 0001736225
Hedge Fund24K$753K1.5%0.0%New—Q1 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund10K$303K0.6%0.0%Added+$156KQ1 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund9K$289K0.6%0.0%New—Q1 2026
Brevan Howard Capital Management LP
CIK 0001512857
Hedge Fund7K$232K0.4%0.0%Reduced$-21KQ1 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund4K$114K0.2%0.0%Added+$6KQ1 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund2K$55K0.1%0.0%Added+$32KQ1 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Reduced
Hedge Fund
$30.1M· 58.1% of total· 0.0% port· 948K sh· $-748K QoQ· Q1 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$8.7M· 16.8% of total· 0.0% port· 275K sh· +$3.5M QoQ· Q1 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$6.4M· 12.4% of total· 0.0% port· 203K sh· $-2.2M QoQ· Q1 2026
Qube Research & Technologies LtdNew
Hedge Fund
$2.1M· 4.1% of total· 0.0% port· 68K sh· — QoQ· Q1 2026
Verition Fund Management LLCReduced
Hedge Fund
$1.7M· 3.2% of total· 0.0% port· 52K sh· $-1.4M QoQ· Q1 2026
Man Group plcNew
Hedge Fund
$949K· 1.8% of total· 0.0% port· 30K sh· — QoQ· Q1 2026
ExodusPoint Capital Management, LPNew
Hedge Fund
$753K· 1.5% of total· 0.0% port· 24K sh· — QoQ· Q1 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$303K· 0.6% of total· 0.0% port· 10K sh· +$156K QoQ· Q1 2026
BALYASNY ASSET MANAGEMENT LLCNew
Hedge Fund
$289K· 0.6% of total· 0.0% port· 9K sh· — QoQ· Q1 2026
Brevan Howard Capital Management LPReduced
Hedge Fund
$232K· 0.4% of total· 0.0% port· 7K sh· $-21K QoQ· Q1 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$114K· 0.2% of total· 0.0% port· 4K sh· +$6K QoQ· Q1 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$55K· 0.1% of total· 0.0% port· 2K sh· +$32K QoQ· Q1 2026
← All 13F filings