First Business Financial Services, Inc.
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 Sep 30, 2025
Ownership Breakdown
136
Institutional Holders
▲ 19 vs Q2
$292.16M
Total Inst. Value
▲ $6.95M vs Q2
8.36M
Shares Outstanding
freeFloat 93.53%
5.70M
13F Shares Held
▲ 71,121 vs Q2
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
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. state commercial banks | 882.3K | 10.83% | 10.83% | $45.23B | Nov 12, 2025 | ▼ 64.5K |
DIMENSIONAL FUND ADVISORS LP state commercial banks | 505.6K | 6.20% | 6.20% | $25.92B | Nov 12, 2025 | ▼ 3.8K |
VANGUARD GROUP INC state commercial banks | 481.7K | 5.91% | 5.91% | $24.69B | Nov 7, 2025 | ▲ 30.5K |
FIRST BUSINESS FINANCIAL SERVICES, INC. state commercial banks | 374.2K | 4.59% | 4.59% | $19.18B | Oct 30, 2025 | ▼ 20.3K |
MANUFACTURERS LIFE INSURANCE COMPANY, THE state commercial banks | 254.8K | 3.13% | 3.13% | $13.06B | Nov 14, 2025 | ▼ 5.3K |
GEODE CAPITAL MANAGEMENT, LLC state commercial banks | 228.7K | 2.81% | 2.81% | $11.73B | Nov 12, 2025 | ▲ 43.3K |
AMERICAN CENTURY COMPANIES INC state commercial banks | 198.2K | 2.43% | 2.43% | $10.16B | Nov 12, 2025 | ▲ 26.8K |
BANC FUNDS CO LLC state commercial banks | 193.5K | 2.37% | 2.37% | $9.92B | Nov 14, 2025 | ▼ 71.0K |
STATE STREET CORP state commercial banks | 159.0K | 1.95% | 1.95% | $8.15B | Nov 14, 2025 | ▲ 3.3K |
CUTLER CAPITAL MANAGEMENT, LLC state commercial banks | 155.5K | 1.91% | 1.91% | $7.97B | Nov 14, 2025 | ▼ 306 |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
25
Increased
+302.3K shares2
New Positions
first time holders17
Decreased
−251.1K shares0
Sold Out
fully exitedNet shares change (top 50)
+51.2K
+302.3K / −251.1K
Net new holders
+10
2 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 · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Garcia Laura M. Chief Risk Officer | May 16, 2026 | Tax Withhold | 194 | $53.81 | $10.4K | 4.6K | Form 4 ↗ |
Crampton Kevin D Chief Accounting Officer | May 16, 2026 | Tax Withhold | 54 | $53.81 | $2.9K | 2.3K | Form 4 ↗ |
Olszewski Daniel P. director | May 16, 2026 | Award | 710 | — | — | 27.4K | Form 4 ↗ |
Lorenz William Kent director | May 16, 2026 | Award | 710 | — | — | 9.7K | Form 4 ↗ |
Kilcoyne Gerald L director | May 16, 2026 | Award | 710 | — | — | 66.7K | Form 4 ↗ |
Graham Jason R director | May 16, 2026 | Award | 710 | — | — | 3.9K | Form 4 ↗ |
CHAVARRIA CARLA C director | May 16, 2026 | Award | 710 | — | — | 8.4K | Form 4 ↗ |
CHAMBAS COREY A director | May 16, 2026 | Award | 710 | — | — | 122.8K | Form 4 ↗ |
Benson Laurie S. director | May 16, 2026 | Award | 710 | — | — | 8.7K | Form 4 ↗ |
Seiler David R. President and CEO | May 16, 2026 | Award | 3,815 | — | — | 41.2K | Form 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 68.2% of total shares outstanding. Company insiders own approximately 6.47%, while retail and public investors account for the remaining 25.37%.
The largest institutional shareholder of First Business Financial Services, Inc. is BLACKROCK, INC., holding approximately 882,267 shares — equal to 10.83% of outstanding shares — as of September 30, 2025.
A total of 136 institutional investors currently hold FBIZ stock, with a combined institutional value of approximately $292,156,567 as of the most recent 13F filing period.
Frequently asked questions
FBIZ ownershipFirst Business Financial Services, Inc. (FBIZ) is primarily owned by institutional investors, who hold approximately 68.2% of shares. The largest shareholder is BLACKROCK, INC. with a 10.83% stake. Company insiders hold 6.47%. Data sourced from SEC Form 13F as of September 30, 2025.