FIRST BUSINESS FINANCIAL SERVICES, INC. - Common Stock (FBIZ)

CUSIP: 319390100

Q1 2026 13F Holders as of 31 Mar 2026

Security identity
Security type / class
Equity / Common Stock
Shares outstanding
8,268,347
Holder snapshot
Total 13F shares
5,772,546
Share change
+42,850
Total reported value
$311,417,203
Reported price per share
$53.93
Number of holders
143
Value change
+$2,277,563
Number of buys
70
Number of sells
47

Security key

319390100

Report period

Q1 2026

Institutions

143

Top holders

10

FBIZ full security history Ownership snapshot Full 13F holder table Previous quarter: Q4 2025 FIRST BUSINESS FINANCIAL SERVICES, INC. SEC filings FIRST BUSINESS FINANCIAL SERVICES, INC. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of FBIZ - FIRST BUSINESS FINANCIAL SERVICES, INC. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder
BlackRock, Inc.
13D/G signal
BlackRock, Inc.
Evidence rows
15
Latest as of
16 Feb 2026
13F 13D/G 3/4/5 Lead comparable stake: 6.1% 13D/G row: BlackRock, Inc. Showing 1-6 of 15 holder rows.
Holder Evidence Ownership % Position 12M Net Δ As of
BlackRock, Inc.
13F 13D/G
Company
13F 13D/G
6.1%
from 13D/G
$47,229,491
869,788 shares
 — 31 Dec 2025
BlackRock Portfolio Management LLC
13D/G
13D/G
4.9%
$20,767,938
405,149 shares
 -$4,835,356 30 Sep 2025
Ralph R. Kauten
3/4/5
Director
3/4/5
0.51%
$2,092,730
42,443 shares
 +$478,000 30 Jul 2025
Niamh M. Kristufek
3/4/5
President - Specialty Finance
3/4/5
0.04%
$194,688
3,336 shares
 — 16 Feb 2026
DIMENSIONAL FUND ADVISORS LP
13F
Company
13F
6%
$27,116,347
499,376 shares
 — 31 Dec 2025
VANGUARD GROUP INC
13F
Company
13F
5.8%
$26,090,173
480,482 shares
 — 31 Dec 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
143
Shares
5,772,546
Rows available
143
Investor Option Weight % Change % Reported value * Price Shares Share Change Activity Report Period

* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that failed the local validity check.

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders
139
Q1 2026 holders
143
Holder diff
4
Investor Q4 2025 Shares Q1 2026 Shares Share Diff Share Chg % Q4 2025 value Q1 2026 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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