Latest Period
Q1 2026
Security Snapshot
FIRST BUSINESS FINANCIAL SERVICES, INC. - Common Stock (FBIZ) Institutional Ownership
CUSIP: 319390100
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
144
Shares (Excl. Options)
5,776,822
Price
$53.93
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- Security type / class
- Equity / Common Stock
- Symbol
- FBIZ on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 5,776,822
- Total 13F value
- $311,647,808
- Portfolio coverage rank
- 0%
- Share change
- +47,126
- Value change
- +$2,508,168
- Number of holders
- 144
- Shares outstanding
- 8,268,347
- SEC-reported price per share
- $59.33
- Insider filing price
- $59.33
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- FBIZ - FIRST BUSINESS FINANCIAL SERVICES, INC. - Common Stock is tracked under CUSIP 319390100.
- 144 institutions reported positions in Q1 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 139 to 144 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $310,555,228 to $311,647,808.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 144 institutions filings for Q1 2026.
Security key
319390100
Latest holder period
Q1 2026
13F holders
144
13D/G owners
2
CIK / CUSIP context first
Open Q1 2026 holders
FBIZ full holder history
FIRST BUSINESS FINANCIAL SERVICES, INC. SEC filings
FIRST BUSINESS FINANCIAL SERVICES, INC. company facts
FIRST BUSINESS FINANCIAL SERVICES, INC. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 319390100:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
2
Security
FBIZ
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 6.1% | $24,214,669 | 505,631 | BlackRock, Inc. | 31 Mar 2025 | |||
| BlackRock Portfolio Management LLC | 4.9% | -18% | $20,767,938 | -$4,835,356 | 405,149 | -19% | BlackRock Portfolio Management LLC | 30 Sep 2025 |
As of 31 Mar 2026, 144 institutional investors reported holding 5,776,822 shares of FIRST BUSINESS FINANCIAL SERVICES, INC. - Common Stock (FBIZ). This represents 70% of the company’s total 8,268,347 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
56%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 11% | 870,202 | +0.05% | 0% | $46,929,995 |
| DIMENSIONAL FUND ADVISORS LP | 6% | 499,716 | +0.07% | 0.01% | $26,950,059 |
| First Business Financial Services, Inc. | 4.4% | 361,311 | 0% | 1.7% | $19,485,502 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.1% | 340,538 | 0% | 0% | $18,365,214 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 3% | 244,795 | -1.5% | 0.01% | $13,201,794 |
| AMERICAN CENTURY COMPANIES INC | 2.9% | 240,137 | +11% | 0.01% | $12,950,588 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.4% | 199,772 | -15% | 0% | $10,775,918 |
| STATE STREET CORP | 2.1% | 173,718 | +9.9% | 0% | $9,368,612 |
| BANC FUNDS CO LLC | 2% | 166,224 | 0% | 1.7% | $8,964,460 |
| Cutler Capital Management, LLC | 1.9% | 154,590 | +0.52% | 2.3% | $8,337,063 |
| LSV ASSET MANAGEMENT | 1.7% | 143,625 | +7.1% | 0.02% | $7,746,000 |
| Pacific Ridge Capital Partners, LLC | 1.7% | 140,892 | +0.31% | 1.6% | $7,598,306 |
| RENAISSANCE TECHNOLOGIES LLC | 1.5% | 122,465 | -4.5% | 0.01% | $6,604,537 |
| FEDERATED HERMES, INC. | 1.4% | 116,133 | +11% | 0.01% | $6,263,053 |
| De Lisle Partners LLP | 1.2% | 98,812 | +2.1% | 0.64% | $5,339,261 |
| AQR CAPITAL MANAGEMENT LLC | 1.1% | 94,627 | -11% | 0% | $5,103,244 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.1% | 92,269 | 0% | 0% | $4,976,067 |
| Hillsdale Investment Management Inc. | 1% | 83,071 | 0% | 0.12% | $4,480,020 |
| NORTHERN TRUST CORP | 0.96% | 79,473 | +5.2% | 0% | $4,285,979 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.94% | 77,382 | +5% | 0.08% | $4,173,211 |
| MORGAN STANLEY | 0.92% | 75,719 | +49% | 0% | $4,083,595 |
| Qube Research & Technologies Ltd | 0.73% | 60,458 | +62% | 0% | $3,260,500 |
| ALLIANCEBERNSTEIN L.P. | 0.71% | 58,984 | -16% | 0% | $3,202,831 |
| GOLDMAN SACHS GROUP INC | 0.67% | 55,399 | +5.3% | 0% | $2,987,668 |
| ACADIAN ASSET MANAGEMENT LLC | 0.65% | 53,855 | +14% | 0% | $2,903,000 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 5,776,822 | $311,647,808 | +$2,508,168 | $53.93 | 144 |
| 2025 Q4 | 5,719,211 | $310,555,228 | -$627,921 | $54.30 | 139 |
| 2025 Q3 | 5,699,616 | $292,142,932 | +$3,539,257 | $51.26 | 135 |
| 2025 Q2 | 5,626,591 | $285,097,936 | +$1,653,008 | $50.66 | 115 |
| 2025 Q1 | 5,597,224 | $263,907,171 | +$2,289,980 | $47.15 | 115 |
| 2024 Q4 | 5,551,052 | $256,954,385 | +$11,461,319 | $46.29 | 103 |
| 2024 Q3 | 5,296,969 | $241,344,989 | +$2,402,089 | $45.59 | 94 |
| 2024 Q2 | 5,206,791 | $192,570,606 | +$162,688 | $36.99 | 88 |
| 2024 Q1 | 5,196,997 | $194,878,542 | -$553,211 | $37.50 | 82 |
| 2023 Q4 | 5,162,109 | $207,013,776 | +$2,338,037 | $40.10 | 83 |
| 2023 Q3 | 5,202,784 | $156,127,968 | -$1,571,625 | $30.01 | 81 |
| 2023 Q2 | 5,287,298 | $155,969,617 | -$2,389,987 | $29.49 | 80 |
| 2023 Q1 | 5,336,490 | $162,794,851 | -$1,526,643 | $30.51 | 85 |
| 2022 Q4 | 5,369,022 | $196,233,378 | -$6,892,044 | $36.55 | 89 |
| 2022 Q3 | 5,572,526 | $180,318,418 | -$1,089,352 | $32.31 | 85 |
| 2022 Q2 | 5,523,377 | $172,268,086 | +$11,813,719 | $31.19 | 88 |
| 2022 Q1 | 5,210,745 | $170,963,297 | +$3,840,887 | $32.81 | 75 |
| 2021 Q4 | 5,108,578 | $149,013,892 | -$1,824,537 | $29.17 | 73 |
| 2021 Q3 | 5,017,985 | $144,072,491 | -$4,172,856 | $28.71 | 75 |
| 2021 Q2 | 5,171,942 | $140,048,682 | -$10,214,952 | $27.07 | 77 |
| 2021 Q1 | 5,571,610 | $137,788,031 | +$4,602,540 | $24.73 | 77 |
| 2020 Q4 | 5,387,810 | $99,205,322 | +$29,483 | $18.41 | 69 |
| 2020 Q3 | 5,398,228 | $77,146,409 | -$1,780,757 | $14.29 | 73 |
| 2020 Q2 | 5,510,204 | $90,447,649 | -$582,471 | $16.45 | 79 |
| 2020 Q1 | 5,552,865 | $86,059,680 | -$1,019,051 | $15.50 | 77 |