MADISON, WI
FIRST BUSINESS FINANCIAL SERVICES, INC.FBIZ— Latest position per institution from SEC 13F filings
15
Institutional holders
5.32M
Total shares held
265.32M
Estimated value
265.77K
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
870.20K
Value
46.93M
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
680.51K
Value
25.17M
Filed
Jun 30, 2024
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
499.72K
Value
26.95M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
480.48K
Value
26.09M
Filed
Dec 31, 2025
FIRST BUSINESS FINANCIAL SERVICES, INC.
CIK 1521951
Shares
361.31K
Value
19.49M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
340.54K
Value
18.37M
Filed
Mar 31, 2026
MANUFACTURERS LIFE INSURANCE COMPANY, THE
CIK 928047
Shares
244.79K
Value
13.20M
Filed
Mar 31, 2026
AMERICAN CENTURY COMPANIES INC
CIK 748054
Shares
240.14K
Value
12.95M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
199.77K
Value
10.78M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
173.72K
Value
9.37M
Filed
Mar 31, 2026
BANC FUNDS CO LLC
CIK 1029311
Shares
166.22K
Value
8.96M
Filed
Mar 31, 2026
CUTLER CAPITAL MANAGEMENT, LLC
CIK 1353098
Shares
154.59K
Value
8.34M
Filed
Mar 31, 2026
LSV ASSET MANAGEMENT
CIK 1050470
Shares
143.63K
Value
7.75K
Filed
Mar 31, 2026
PACIFIC RIDGE CAPITAL PARTNERS, LLC
CIK 1591546
Shares
140.89K
Value
7.60M
Filed
Mar 31, 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
122.47K
Value
6.60M
Filed
Mar 31, 2026
FEDERATED HERMES, INC.
CIK 1056288
Shares
116.13K
Value
6.26M
Filed
Mar 31, 2026
DE LISLE PARTNERS LLP
CIK 2011184
Shares
98.81K
Value
5.34M
Filed
Mar 31, 2026
AQR CAPITAL MANAGEMENT LLC
CIK 1167557
Shares
94.63K
Value
5.10M
Filed
Mar 31, 2026
RIVER OAKS CAPITAL LLC
CIK 1343119
Shares
94.60K
Value
2.84M
Filed
Sep 30, 2023
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
92.27K
Value
4.98M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 870.20K | 46.93M | Mar 31, 2026 |
| 2 | BLACKROCK FINANCE, INC. | 1364742 | 680.51K | 25.17M | Jun 30, 2024 |
| 3 | DIMENSIONAL FUND ADVISORS LP | 354204 | 499.72K | 26.95M | Mar 31, 2026 |
| 4 | VANGUARD GROUP INC | 102909 | 480.48K | 26.09M | Dec 31, 2025 |
| 5 | FIRST BUSINESS FINANCIAL SERVICES, INC. | 1521951 | 361.31K | 19.49M | Mar 31, 2026 |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 340.54K | 18.37M | Mar 31, 2026 |
| 7 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 928047 | 244.79K | 13.20M | Mar 31, 2026 |
| 8 | AMERICAN CENTURY COMPANIES INC | 748054 | 240.14K | 12.95M | Mar 31, 2026 |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 199.77K | 10.78M | Mar 31, 2026 |
| 10 | STATE STREET CORP | 93751 | 173.72K | 9.37M | Mar 31, 2026 |
| 11 | BANC FUNDS CO LLC | 1029311 | 166.22K | 8.96M | Mar 31, 2026 |
| 12 | CUTLER CAPITAL MANAGEMENT, LLC | 1353098 | 154.59K | 8.34M | Mar 31, 2026 |
| 13 | LSV ASSET MANAGEMENT | 1050470 | 143.63K | 7.75K | Mar 31, 2026 |
| 14 | PACIFIC RIDGE CAPITAL PARTNERS, LLC | 1591546 | 140.89K | 7.60M | Mar 31, 2026 |
| 15 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 122.47K | 6.60M | Mar 31, 2026 |
| 16 | FEDERATED HERMES, INC. | 1056288 | 116.13K | 6.26M | Mar 31, 2026 |
| 17 | DE LISLE PARTNERS LLP | 2011184 | 98.81K | 5.34M | Mar 31, 2026 |
| 18 | AQR CAPITAL MANAGEMENT LLC | 1167557 | 94.63K | 5.10M | Mar 31, 2026 |
| 19 | RIVER OAKS CAPITAL LLC | 1343119 | 94.60K | 2.84M | Sep 30, 2023 |
| 20 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 92.27K | 4.98M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.