First Business Financial Services, Inc.

CIK

1521951

City

MADISON

State / Country

Stock

Top Portfolio Positions

141 positions · $309,508,630 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
SPY	Spdr S&P 500 ETF Trust	43,754	$28,454,976	9.19%
FBIZ	First Business Financial Services, Inc. Financial Services	361,311	$19,485,502	6.30%
NVDA	Nvidia Corp Technology	99,950	$17,431,280	5.63%
AAPL	Apple Inc. Technology	59,469	$15,092,637	4.88%
AVGO	Broadcom Inc. Technology	41,647	$12,890,162	4.16%
GOOGL	Alphabet Inc. Communication Services	42,161	$12,123,817	3.92%
CIEN	Ciena Corp Technology	30,050	$11,666,311	3.77%
JPM	Jpmorgan Chase & Co Financial Services	35,340	$10,395,614	3.36%
PWR	Quanta Services, Inc. Industrials	15,527	$8,524,633	2.75%
ANET	Arista Networks, Inc. Technology	66,173	$8,124,720	2.63%

25 quarters · across all stocks

25 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$19,485,502	361,311	0.0%	Shares	Sole	2026-05-01
2025-12-31	$19,619,187	361,311	-3.5%	Shares	Sole	2026-02-06
2025-09-30	$19,183,183	374,233	-5.1%	Shares	Sole	2025-10-30
2025-06-30	$19,984,914	394,491	+0.2%	Shares	Sole	2025-07-31
2025-03-31	$18,568,565	393,819	+4.7%	Shares	Sole	2025-05-02
2024-12-31	$17,409,113	376,088	+2.8%	Shares	Sole	2025-02-06
2024-09-30	$16,681,928	365,912	+3.4%	Shares	Sole	2024-11-06
2024-06-30	$13,084,028	353,718	+1.0%	Shares	Sole	2024-08-02
2024-03-31	$13,132,125	350,190	+0.2%	Shares	Sole	2024-05-15
2023-12-31	$14,015,832	349,522	-1.7%	Shares	Sole	2024-02-14
2023-09-30	$10,670,115	355,552	-2.0%	Shares	Sole	2023-11-14
2023-06-30	$10,701,773	362,895	+2.4%	Shares	Sole	2023-08-07
2023-03-31	$10,816,252	354,515	-0.1%	Shares	Sole	2023-05-09
2022-12-31	$12,976,894	355,045	-1.5%	Shares	Sole	2023-02-02
2022-09-30	$11,648,498	360,523	+1.6%	Shares	Sole	2022-11-15
2022-06-30	$11,071,295	354,963	+3.5%	Shares	Sole	2022-08-02
2022-03-31	$11,252,616	342,963	+0.1%	Shares	Sole	2022-05-09
2021-12-31	$9,996,704	342,705	+0.2%	Shares	Sole	2022-02-10
2021-09-30	$9,824,131	342,185	+0.3%	Shares	Sole	2021-10-26
2021-06-30	$9,234,037	341,117	-1.3%	Shares	Sole	2021-07-20
2021-03-31	$8,550,768	345,765	+0.3%	Shares	Sole	2021-04-20
2020-12-31	$6,344,417	344,618	+0.6%	Shares	Sole	2021-01-28
2020-09-30	$4,892,967	342,405	+3.4%	Shares	Sole	2020-11-04
2020-06-30	$5,446,973	331,123	-0.6%	Shares	Sole	2020-08-12
2020-03-31	$5,165,731	333,273	—	Shares	Sole	2020-05-01
No 13F history on record for this holder in this stock.