Companies: 10,795·Total market cap: $144.5T
First Business Financial Services, Inc.

First Business Financial Services, Inc.

FBIZNASDAQFinancial Services● Active
$58.44
+$0.31(+0.53%)
Market Cap$488684981
P/E Ratio
52W High$60.54
52W Low$45.9

First Business Financial Services, Inc. (FBIZ) Stock Ownership

Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.

SEC 13F · FMP · FBIZ · as of Mar 31, 2025

Ownership Breakdown

Institutions 66.96%
Insiders 6.47%
Public 26.57%

116

Institutional Holders

▲ 13 vs Q4

$264.01M

Total Inst. Value

▲ $7.05M vs Q4

8.36M

Shares Outstanding

freeFloat 93.53%

5.60M

13F Shares Held

▲ 48,304 vs Q4

Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.

Top Institutional Holders

FBIZ largest shareholders · institutional ownership

Q1 2025 · SEC 13F

Showing top 10 holders

HolderShares% OwnedWeightValueReportedChange

BLACKROCK, INC.

state commercial banks

1.01M12.36%

12.36%

$47.39BMay 2, 2025 136.0K

DIMENSIONAL FUND ADVISORS LP

state commercial banks

515.5K6.34%

6.34%

$24.30BMay 13, 2025 23.3K

VANGUARD GROUP INC

state commercial banks

449.3K5.53%

5.53%

$21.18BMay 9, 2025 49.3K

FIRST BUSINESS FINANCIAL SERVICES, INC.

state commercial banks

393.8K4.84%

4.84%

$18.57BMay 2, 2025 17.7K

BANC FUNDS CO LLC

state commercial banks

274.3K3.37%

3.37%

$12.93BMay 14, 2025 59.2K

MANUFACTURERS LIFE INSURANCE COMPANY, THE

state commercial banks

265.7K3.27%

3.27%

$12.53BMay 15, 2025 2.0K

GEODE CAPITAL MANAGEMENT, LLC

state commercial banks

177.6K2.18%

2.18%

$8.37BMay 13, 2025 6.0K

CUTLER CAPITAL MANAGEMENT, LLC

state commercial banks

155.4K1.91%

1.91%

$7.33BMay 14, 2025 2.2K

PACIFIC RIDGE CAPITAL PARTNERS, LLC

state commercial banks

150.1K1.85%

1.85%

$7.08BMay 9, 2025 7.6K

AMERICAN CENTURY COMPANIES INC

state commercial banks

146.2K1.80%

1.80%

$6.89BMay 13, 2025 34.3K

Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).

Institutional Activity

Q1 2025 vs prior quarter

Q1 2025

Net institutional sentimentBullish — more buying than selling

23

Increased

+329.3K shares

1

New Positions

first time holders

22

Decreased

−229.2K shares

0

Sold Out

fully exited

Net shares change (top 50)

+100.2K

+329.3K / −229.2K

Net new holders

+2

1 new / 0 exited

Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).

Insider Buying vs Selling

FBIZ insider trading · insider activity

Source: SEC Form 4

16

Buy transactions

11

Sell transactions

1.45

Buy/Sell ratio

$0M

Total disposed

Recent Insider Transactions

Showing 10 most recent · Common Stock only

Name · RoleDateTypeSharesPriceValueAfter Trans.Filing

Garcia Laura M.

Chief Risk Officer

May 16, 2026Tax Withhold194$53.81$10.4K4.6KForm 4 ↗

Crampton Kevin D

Chief Accounting Officer

May 16, 2026Tax Withhold54$53.81$2.9K2.3KForm 4 ↗

Olszewski Daniel P.

director

May 16, 2026Award71027.4KForm 4 ↗

Lorenz William Kent

director

May 16, 2026Award7109.7KForm 4 ↗

Kilcoyne Gerald L

director

May 16, 2026Award71066.7KForm 4 ↗

Graham Jason R

director

May 16, 2026Award7103.9KForm 4 ↗

CHAVARRIA CARLA C

director

May 16, 2026Award7108.4KForm 4 ↗

CHAMBAS COREY A

director

May 16, 2026Award710122.8KForm 4 ↗

Benson Laurie S.

director

May 16, 2026Award7108.7KForm 4 ↗

Seiler David R.

President and CEO

May 16, 2026Award3,81541.2KForm 4 ↗

Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.

About institutional & insider ownership

First Business Financial Services, Inc. (FBIZ) is primarily owned by institutional investors, who hold approximately 67.0% of total shares outstanding. Company insiders own approximately 6.47%, while retail and public investors account for the remaining 26.57%.

The largest institutional shareholder of First Business Financial Services, Inc. is BLACKROCK, INC., holding approximately 1.01 million shares — equal to 12.36% of outstanding shares — as of March 31, 2025.

A total of 116 institutional investors currently hold FBIZ stock, with a combined institutional value of approximately $264,008,414 as of the most recent 13F filing period.

Frequently asked questions

FBIZ ownership

First Business Financial Services, Inc. (FBIZ) is primarily owned by institutional investors, who hold approximately 67.0% of shares. The largest shareholder is BLACKROCK, INC. with a 12.36% stake. Company insiders hold 6.47%. Data sourced from SEC Form 13F as of March 31, 2025.

who owns FBIZ stockFBIZ ownership structureSEC Form 13F institutional holdingsFBIZ float vs institutions
Source: FMP · SEC Form 13F · SEC Form 4As of March 31, 2025