FIRST BUSINESS FINANCIAL SERVICES, INC. (FBIZ) research

FIRST BUSINESS FINANCIAL SERVICES, INC.

Sector: Financial Services
Industry: Banks - Regional
Last price: $70.24
As of: 2026-09-22

FIRST BUSINESS FINANCIAL SERVICES, INC. (FBIZ): 4 institutional managers tracked by Kresmion reported non-option positions in their 2026Q2 Form 13F filings, and the most recent SEC filing on record for the company is a Form 8-K filed 2026-08-20.

As of 2026-08-20, the latest of: this ticker's 13F holdings load, its latest SEC filing date, and its latest signal other than 13F-derived signals. Source: SEC EDGAR filings for FBIZ. Method and limitations.

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Active signals for FBIZ

mediumNEW_POSITION2026-09-06
CITADEL ADVISORS LLC new position in FBIZ
All 2026-09-06 signals →
highINSTITUTIONAL_SURGE2026-09-06
TWO SIGMA INVESTMENTS, LP added +132% to FBIZ (2026Q2)
All 2026-09-06 signals →
mediumNEW_POSITION2026-09-06
CITADEL ADVISORS LLC new position in FBIZ
All 2026-09-06 signals →
highINSTITUTIONAL_SURGE2026-09-06
TWO SIGMA INVESTMENTS, LP added +132% to FBIZ (2026Q2)
All 2026-09-06 signals →
mediumNEW_POSITION2026-08-16
CITADEL ADVISORS LLC new position in FBIZ
All 2026-08-16 signals →

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Every signal on FBIZ, as it fires

You are seeing 5 of 9 signals recorded on FBIZ since 2026-05-16.

The five above landed across 2 days. The other 4 were recorded on 1 other days. 7 of the 9 are institutional flow rows, which arrive in batches on filing days.

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Largest reported share positions in FBIZ (2026Q2)

Manager / security	Market value	% portfolio	QoQ
RENAISSANCE TECHNOLOGIES LLCCUSIP 319390100 · 2026Q2	$7.6M	0.01%	,
TWO SIGMA INVESTMENTS, LPCUSIP 319390100 · 2026Q2	$4.6M	0.00%	,
MILLENNIUM MANAGEMENT LLCCUSIP 319390100 · 2026Q2	$1.6M	0.00%	,
CITADEL ADVISORS LLCCUSIP 319390100 · 2026Q2	$1.3M	0.00%	,

Quarterly SEC Form 13F disclosures from the managers Kresmion tracks, not a complete ownership ranking. Non-option holdings only; reported put and call positions are excluded. Different securities are labeled by CUSIP. Values are reporting-period snapshots, not current position values. Filings can arrive up to 45 days after quarter-end.

Recent SEC filings, FBIZ

8-K2026-08-20
SEC EDGAR ↗
10-Q2026-07-31
SEC EDGAR ↗
8-K2026-07-30
SEC EDGAR ↗
8-K2026-05-28
SEC EDGAR ↗
8-K2026-05-05
SEC EDGAR ↗
8-K2026-04-29
SEC EDGAR ↗
10-Q2026-04-24
SEC EDGAR ↗
8-K2026-04-23
SEC EDGAR ↗
8-K2026-04-16
SEC EDGAR ↗
8-K2026-04-14
SEC EDGAR ↗

FBIZ against its peers

FBIZ's return on equity of 13.5% ranks in the 67th percentile of 22 Banks - Regional sub-industry peers, fiscal periods ending between 2025-12-31 and 2026-06-30.

Metric	FBIZ	Peer median	Percentile	n
Revenue FY	n/a	105M	n/a	6
Net margin	n/a	134.1%	n/a	6
Return on equity	13.5%	11.5%	67	22
P / E	11.8x	12.5x	40	20

Peers (22): UNTY, CBNK, BWB, GCBC, NPB, CIVB, NRIM, HBCP, ACNB, BWFG, FFIC, RRBI, BSRR, OBT, BSVN, CCB, MSBI, BCAL, AROW, WTBA, COFS, PFIS. Left out: WCCB (no annual filing), ALPIB (no annual filing), PBAM (no annual filing). Fiscal periods ending between 2025-12-31 and 2026-06-30. Every figure is one full fiscal year read from one annual filing (FBIZ: 10-K), reported in USD. Nothing is trailing twelve months and nothing is converted between currencies. Source: SEC EDGAR XBRL company facts (public domain); prices from Kresmion's daily equity market-data snapshot. Open the full comparison.

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