Ticker · CUSIP 319390100

FBIZ

FIRST BUSINESS FINL SVCS INC

Financial Services·Banks - Regional

···Share

Holders (tracked)

Combined shares

292,869

Combined value

$15.90M

Last close

$59.33

Quarter

2025Q4

Price is +9.3% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$59.33+13.08 (+28.28%)H $59.50 · L $45.48 · Avg Vol 36K

Position opened

Tracked holders · last 8 quarters

Flat over the last 8 quarters.

SEC event timeline

10 events

AQR Capital Management added2026-02-17
+22,334 shares · 2025Q4
Position
Two Sigma Investments trimmed2026-02-17
−26,516 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) trimmed2026-02-17
−5,980 shares · 2025Q4
Position
T. Rowe Price added2026-02-17
+586 shares · 2025Q4
Position
Renaissance Technologies trimmed2026-02-12
−13,300 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2025-11-14
+11,261 shares · 2025Q3
Position
Two Sigma Investments added2025-11-14
+5,934 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+247 shares · 2025Q3
Position
AQR Capital Management added2025-11-14
+58,972 shares · 2025Q3
Position
Renaissance Technologies trimmed2025-11-13
−9,100 shares · 2025Q3
Position

Insider activity

Last 30 days

Net (open-market)

Buys

0 · $0

Sells

0 · $0

Unique insiders

Date	Insider	Code	Shares	Price	Value
04-10	CHAMBAS COREY A CEO · Officer, Director	A	10,370	—	$0
04-10	CHAMBAS COREY A CEO · Officer, Director	F	4,875	$58.60	$285.7K
04-10	Chandler Jodi A Chief Human Resources Officer · Officer	A	2,080	—	$0
04-10	Chandler Jodi A Chief Human Resources Officer · Officer	F	834	$58.60	$48.9K
04-10	Ovokaitys Daniel Chief Information Officer · Officer	A	2,430	—	$0
04-10	Ovokaitys Daniel Chief Information Officer · Officer	F	1,143	$58.60	$67.0K
04-10	Seiler David R. President and COO · Officer	A	4,780	—	$0
04-10	Hartlieb James Edward Pres&CEO First Business Bank · Officer	A	2,730	—	$0
04-10	Hartlieb James Edward Pres&CEO First Business Bank · Officer	F	1,039	$58.60	$60.9K
04-10	Hartlieb James Edward Pres&CEO First Business Bank · Officer	G	127	—	—
04-10	Garcia Laura M. Chief Risk Officer · Officer	A	2,500	—	$0
04-10	Garcia Laura M. Chief Risk Officer · Officer	F	1,108	$58.60	$64.9K
04-10	Seiler David R. President and COO · Officer	F	1,912	$58.60	$112.0K
04-10	Quade Bradley A Chief Credit Officer · Officer	A	2,740	—	$0
04-10	Quade Bradley A Chief Credit Officer · Officer	F	1,096	$58.60	$64.2K
04-10	Spielmann Brian D. CFO · Officer	A	3,190	—	$0
04-10	Spielmann Brian D. CFO · Officer	F	1,501	$58.60	$88.0K

View full insider history for FBIZ →

Follow-the-investor returns

If you'd copied each holder of FBIZ…

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
Renaissance Technologies	2016Q1	$27.04	+119.4%	$7.6M
T. Rowe Price	2016Q1	$29.35	+102.2%	$283K
Two Sigma Investments	2016Q1	$45.59	+30.1%	$1.2M
Izzy Englander (Millennium Mgmt)	2018Q2	$47.18	+25.8%	$2.0M
AQR Capital Management	2022Q3	$50.78	+16.8%	$6.3M

Who moved on this name in 2025Q4

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

New positions0

—

Added to2

AQR Capital Management
+22,334
$1.2M
T. Rowe Price
+586
$32

Trimmed3

Two Sigma Investments
−26,516
$1.4M
Renaissance Technologies
−13,300
$722K
Izzy Englander (Millennium Mgmt)
−5,980
$325K

Exited0

—

Institutional ownership over time

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

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	6	535,247	$17.6M	—
2022Q2	7	800,156	$25.0M	+1
2022Q3	7	850,796	$27.5M	—
2022Q4	7	922,600	$33.7M	—
2023Q1	5	876,552	$26.7M	-2
2023Q2	3	833,862	$24.6M	-2
2023Q3	4	820,635	$24.6M	+1
2023Q4	5	874,754	$35.1M	+1
2024Q1	5	858,595	$32.2M	—
2024Q2	5	864,902	$32.0M	—
2024Q3	4	198,386	$9.0M	-1
2024Q4	5	190,039	$8.8M	+1
2025Q1	4	194,593	$9.2M	-1
2025Q2	6	261,042	$13.2M	+2
2025Q3	5	315,745	$16.2M	-1
2025Q4	5	292,869	$15.9M	—

Who owns FBIZ

5 super-investors · 2025Q4

Tracked stake

292.9K

Combined value

$16M

% of shares outstanding

—

shares-out unknown

Quarter action mix

Added2Trim3

#	Manager	Shares	Value	% of book	Last action
1	Renaissance Technologies	128.3K	$7M	0.0%	Trim−13.3K
2	AQR Capital Management	106.0K	$6M	0.0%	Added+22.3K
3	Izzy Englander Millennium Mgmt	34.2K	$2M	0.0%	Trim−6.0K
4	Two Sigma Investments	19.7K	$1M	0.0%	Trim−26.5K
5	T. Rowe Price	4.8K	$259K	0.0%	Added+586

Recent moves

20 transactions

TRIMIzzy Englander (Millennium Mgmt)
−5,980 · 2025Q4
ADDT. Rowe Price
+586 · 2025Q4
TRIMTwo Sigma Investments
−26,516 · 2025Q4
ADDAQR Capital Management
+22,334 · 2025Q4
TRIMRenaissance Technologies
−13,300 · 2025Q4
ADDIzzy Englander (Millennium Mgmt)
+11,261 · 2025Q3
ADDTwo Sigma Investments
+5,934 · 2025Q3
ADDT. Rowe Price
+247 · 2025Q3
ADDAQR Capital Management
+58,972 · 2025Q3
TRIMRenaissance Technologies
−9,100 · 2025Q3
NEWT. Rowe Price
+3,935 · 2025Q2
ADDAQR Capital Management
+15,010 · 2025Q2
ADDIzzy Englander (Millennium Mgmt)
+9,625 · 2025Q2
ADDTwo Sigma Investments
+16,868 · 2025Q2
ADDRenaissance Technologies
+8,400 · 2025Q2
ADDAQR Capital Management
+4,924 · 2025Q1
ADDIzzy Englander (Millennium Mgmt)
+6,263 · 2025Q1
ADDTwo Sigma Investments
+4,329 · 2025Q1
TRIMRenaissance Technologies
−5,600 · 2025Q1
TRIMIzzy Englander (Millennium Mgmt)
−2,960 · 2024Q4

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