Ticker · CUSIP 317585404

FISI

FINANCIAL INSTNS INC

Financial Services·Banks - Regional

···Share

Holders (tracked)

Combined shares

1,658,059

Combined value

$51.68M

Last close

$35.13

Quarter

2025Q4

Price is +12.7% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$35.13+13.73 (+64.19%)H $35.13 · L $21.34 · Avg Vol 139K

Position opened

Tracked holders · last 8 quarters

+1 vs previous quarter over the last 8.

SEC event timeline

16 events

Ken Griffin (Citadel Advisors) added2026-02-17
+14,695 shares · 2025Q4
Position
D.E. Shaw & Co. trimmed2026-02-17
−7,370 shares · 2025Q4
Position
Two Sigma Investments trimmed2026-02-17
−11,900 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) trimmed2026-02-17
−172,923 shares · 2025Q4
Position
Steve Cohen (Point72) opened position2026-02-17
+17,987 shares · 2025Q4
Position
T. Rowe Price added2026-02-17
+1,232 shares · 2025Q4
Position
Wellington Management added2026-02-17
+312,470 shares · 2025Q4
Position
AQR Capital Management added2026-02-17
+91 shares · 2025Q4
Position
Renaissance Technologies trimmed2026-02-12
−40,192 shares · 2025Q4
Position
AQR Capital Management added2025-11-14
+7,214 shares · 2025Q3
Position
Two Sigma Investments added2025-11-14
+87,653 shares · 2025Q3
Position
Wellington Management added2025-11-14
+187,298 shares · 2025Q3
Position
Izzy Englander (Millennium Mgmt) added2025-11-14
+93,626 shares · 2025Q3
Position
D.E. Shaw & Co. opened position2025-11-14
+22,009 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+593 shares · 2025Q3
Position
Renaissance Technologies added2025-11-13
+10,492 shares · 2025Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for FISI →

Follow-the-investor returns

If you'd copied each holder of FISI…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
D.E. Shaw & Co.	2017Q2	$22.50	+56.2%	$514K
AQR Capital Management	2016Q1	$23.82	+47.5%	$3.3M
Two Sigma Investments	2016Q2	$25.28	+39.0%	$5.7M
Renaissance Technologies	2016Q1	$25.51	+37.7%	$9.5M
Izzy Englander (Millennium Mgmt)	2016Q2	$25.74	+36.5%	$411K
T. Rowe Price	2025Q1	$25.91	+35.6%	$413K
Ken Griffin (Citadel Advisors)	2016Q3	$28.96	+21.3%	$818K
Wellington Management	2016Q1	$29.36	+19.6%	$36.9M
Steve Cohen (Point72)	2025Q4	$31.17	+12.7%	$632K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions1

Steve Cohen (Point72)
+17,987
$561K

Added to4

Wellington Management
+312,470
$9.7M
Ken Griffin (Citadel Advisors)
+14,695
$458K
AQR Capital Management
+91
$3K
T. Rowe Price
+1,232
$38

Trimmed4

Izzy Englander (Millennium Mgmt)
−172,923
$5.4M
Renaissance Technologies
−40,192
$1.3M
Two Sigma Investments
−11,900
$371K
D.E. Shaw & Co.
−7,370
$230K

Exited0

—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	9	1,722,499	$51.9M	—
2022Q2	7	1,790,576	$46.6M	-2
2022Q3	8	1,852,738	$44.6M	+1
2022Q4	10	1,763,585	$43.0M	+2
2023Q1	8	1,801,022	$34.7M	-2
2023Q2	8	2,158,297	$34.0M	—
2023Q3	9	2,071,138	$34.9M	+1
2023Q4	8	1,950,877	$41.6M	-1
2024Q1	7	1,700,358	$32.0M	-1
2024Q2	9	1,911,898	$36.9M	+2
2024Q3	6	449,748	$11.5M	-3
2024Q4	7	531,521	$14.5M	+1
2025Q1	7	1,298,650	$32.4M	—
2025Q2	7	1,159,335	$29.8M	—
2025Q3	8	1,543,969	$42.0M	+1
2025Q4	9	1,658,059	$51.7M	+1

Who owns FISI

9 super-investors · 2025Q4

Tracked stake

1.66M

Combined value

$52M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New1Added4Trim4

#	Manager	Shares	Value	% of book	Last action	8Q trend
1	Wellington Management	1.05M	$33M	0.0%	Added+312.5K
2	Renaissance Technologies	271.3K	$8M	0.0%	Trim−40.2K
3	Two Sigma Investments	163.5K	$5M	0.0%	Trim−11.9K
4	AQR Capital Management	94.6K	$3M	0.0%	Added+91
5	Ken Griffin Citadel Advisors	23.3K	$725K	0.0%	Added+14.7K
6	Steve Cohen Point72	18.0K	$561K	0.0%	New+18.0K	—
7	D.E. Shaw & Co.	14.6K	$456K	0.0%	Trim−7.4K
8	T. Rowe Price	11.8K	$367K	0.0%	Added+1.2K
9	Izzy Englander Millennium Mgmt	11.7K	$365K	0.0%	Trim−172.9K

Recent moves

20 transactions

TRIMTwo Sigma Investments
−11,900 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−172,923 · 2025Q4
ADDKen Griffin (Citadel Advisors)
+14,695 · 2025Q4
ADDWellington Management
+312,470 · 2025Q4
ADDAQR Capital Management
+91 · 2025Q4
NEWSteve Cohen (Point72)
+17,987 · 2025Q4
TRIMD.E. Shaw & Co.
−7,370 · 2025Q4
ADDT. Rowe Price
+1,232 · 2025Q4
TRIMRenaissance Technologies
−40,192 · 2025Q4
ADDWellington Management
+187,298 · 2025Q3
NEWD.E. Shaw & Co.
+22,009 · 2025Q3
ADDAQR Capital Management
+7,214 · 2025Q3
ADDIzzy Englander (Millennium Mgmt)
+93,626 · 2025Q3
ADDTwo Sigma Investments
+87,653 · 2025Q3
ADDT. Rowe Price
+593 · 2025Q3
ADDRenaissance Technologies
+10,492 · 2025Q3
TRIMTwo Sigma Investments
−18,180 · 2025Q2
TRIMIzzy Englander (Millennium Mgmt)
−56,340 · 2025Q2
ADDT. Rowe Price
+1,681 · 2025Q2
TRIMWellington Management
−62,606 · 2025Q2

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