First Business Financial Services, Inc. (FBIZ) ownership: Top institutional holder: BlackRock, Inc. ($46.93M). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 870202.00 | $46.93M | 2026-03-31 |
| DIMENSIONAL FUND ADVISORS LP | 499716.00 | $26.95M | 2026-03-31 |
| VANGUARD GROUP INC | 480482.00 | $26.09M | 2025-12-31 |
| First Business Financial Services, Inc. | 361311.00 | $19.49M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 340538.00 | $18.37M | 2026-03-31 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 244795.00 | $13.20M | 2026-03-31 |
| AMERICAN CENTURY COMPANIES INC | 240137.00 | $12.95M | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 199772.00 | $10.78M | 2026-03-31 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.