First Business Financial Services, Inc. reported 155 positions worth $344.28M for the quarter ended Sep 30, 2026, up 2.0% on the prior quarter. It opened 12 new positions, added to 76, trimmed 26 and exited 7. Its largest holding is Nvidia Corp at 7% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| GNRC Generac Holdings Inc. | +13.9K | +1,990.7% | $2.88M | 0.88% |
| DASH DoorDash, Inc. | +11.0K | – | $2.02M | 0.586% |
| LRCX Lam Research Corp | +2,475 | +7.6% | $813.06K | 3.34% |
| NVDA Nvidia Corp | +2,453 | +2.4% | $560.22K | 6.97% |
| AVGO Broadcom Inc. | +1,548 | +3.8% | $543.64K | 4.37% |
| GOOGL Alphabet Inc. | +1,258 | +2.9% | $432.85K | 4.48% |
| GWW W.W. Grainger, Inc. | +295 | – | $367.50K | 0.107% |
| MSFT Microsoft Corp | +697 | +3.7% | $357.49K | 2.88% |
| PANW Palo Alto Networks Inc | +897 | – | $356.39K | 0.104% |
| PLTR Palantir Technologies Inc. | +1,690 | +19.3% | $316.11K | 0.568% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| RSG Republic Services, Inc. | -13.1K | -90.6% | $2.75M | 0.083% |
| META Meta Platforms, Inc. | -2,917 | -64.1% | $2.12M | 0.345% |
| AAPL Apple Inc. | -3,526 | -5.9% | $1.17M | 5.46% |
| FBIZ First Business Financial Services, Inc. | -13.0K | -3.8% | $894.14K | 6.54% |
| ACN Accenture plc | -3,896 | -100.0% | $484.82K | Exited |
| CSCO Cisco Systems, Inc. | -2,700 | -8.7% | $290.60K | 0.886% |
| PNC Pnc Financial Services Group, Inc. | -1,130 | -100.0% | $278.23K | Exited |
| CVS CVS HEALTH Corp | -2,312 | -100.0% | $239.18K | Exited |
| KEY Keycorp | -9,791 | -100.0% | $225.68K | Exited |
| WEC Wec Energy Group, Inc. | -1,930 | -100.0% | $225.37K | Exited |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| DASH DoorDash, Inc. | +11.0K | $2.02M | 0.586% |
| GWW W.W. Grainger, Inc. | +295 | $367.50K | 0.107% |
| PANW Palo Alto Networks Inc | +897 | $356.39K | 0.104% |
| IRM Iron Mountain Inc | +2,593 | $287.69K | 0.084% |
| SHOP Shopify Inc. | +1,905 | $282.51K | 0.082% |
| COP Conocophillips | +2,097 | $262.44K | 0.076% |
| FTNT Fortinet, Inc. | +1,390 | $248.48K | 0.072% |
| LIN Linde Plc | +513 | $243.50K | 0.071% |
| VLO Valero Energy Corp | +584 | $226.36K | 0.066% |
| AMGN Amgen Inc | +537 | $226.35K | 0.066% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| ACN Accenture plc | -3,896 | $484.82K | 0.144% |
| PNC Pnc Financial Services Group, Inc. | -1,130 | $278.23K | 0.082% |
| CVS CVS HEALTH Corp | -2,312 | $239.18K | 0.071% |
| KEY Keycorp | -9,791 | $225.68K | 0.067% |
| WEC Wec Energy Group, Inc. | -1,930 | $225.37K | 0.067% |
| ENB Enbridge Inc | -3,946 | $213.91K | 0.063% |
| SPG Simon Property Group Inc. | -931 | $208.22K | 0.062% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | NVDA Nvidia Corp | Technology | 105.0K | $23.98M | 6.97% | +2,453 | +2.4% | Added | 0% |
| 2 | FBIZ First Business Financial Services, Inc. | Financial Services | 327.2K | $22.50M | 6.54% | -13.0K | -3.8% | Reduced | 3.91% |
| 3 | AAPL Apple Inc. | Technology | 56.4K | $18.79M | 5.46% | -3,526 | -5.9% | Reduced | 0% |
| 4 | GOOGL Alphabet Inc. | Technology | 44.8K | $15.43M | 4.48% | +1,258 | +2.9% | Added | 0% |
| 5 | AVGO Broadcom Inc. | Technology | 42.8K | $15.03M | 4.37% | +1,548 | +3.8% | Added | 0% |
| 6 | ANET Arista Networks, Inc. | Technology | 70.1K | $14.26M | 4.14% | +1,316 | +1.9% | Added | 0.01% |
| 7 | JPM Jpmorgan Chase & Co | Financial Services | 36.8K | $12.19M | 3.54% | +714 | +2.0% | Added | 0% |
| 8 | LRCX Lam Research Corp | Technology | 35.0K | $11.49M | 3.34% | +2,475 | +7.6% | Added | 0% |
| 9 | CIEN Ciena Corp | Technology | 28.9K | $10.17M | 2.95% | +108 | +0.4% | Added | 0.02% |
| 10 | PWR Quanta Services, Inc. | Industrials | 15.5K | $9.96M | 2.89% | -92 | -0.6% | Reduced | 0.01% |
| 11 | MSFT Microsoft Corp | Technology | 19.3K | $9.92M | 2.88% | +697 | +3.7% | Added | 0% |
| 12 | LLY ELI LILLY & Co | Healthcare | 6,780 | $7.85M | 2.28% | +138 | +2.1% | Added | 0% |
| 13 | ADI Analog Devices Inc | Technology | 14.2K | $5.62M | 1.63% | +300 | +2.2% | Added | 0% |
| 14 | C Citigroup Inc | Others | 42.3K | $5.48M | 1.59% | +848 | +2.0% | Added | 0% |
| 15 | XOM ExxonMobil Holdings Corp | Energy | 31.0K | $5.04M | 1.46% | +170 | +0.6% | Added | 0% |
Tip. Select a row to see that position’s full history at First Business Financial Services.
As of its Q3 2026 13F filing, First Business Financial Services, Inc.’s five largest positions were Nvidia Corp (NVDA) at 7.0%, First Business Financial Services, Inc. (FBIZ) at 6.5%, Apple Inc. (AAPL) at 5.5%, Alphabet Inc. (GOOGL) at 4.5%, Broadcom Inc. (AVGO) at 4.4% of the reported portfolio.
First Business Financial Services, Inc. reported a 13F portfolio worth $344.28M across 155 positions for Q3 2026. That is up 2.0% from the previous quarter.
Its largest purchases by value were Generac Holdings Inc. ($2.88M), DoorDash, Inc. ($2.02M), Lam Research Corp ($813.06K). It opened 12 new positions.
Its largest sales by value were Republic Services, Inc. ($2.75M), Meta Platforms, Inc. ($2.12M), Apple Inc. ($1.17M). It exited 7 positions entirely.
From the Form 13F-HR reports First Business Financial Services, Inc. files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.