CIK: 0001521951
Total reported value
$1.3B
Reporting period: 2026-06-30 · Number of holdings: 201
FIRST BUSINESS FINANCIAL SERVICES, INC. disclosed 201 holdings in its latest 13F filing for the period ending 2026-06-30, with total reported value of $1.3B and a quarterly turnover rate of 14.9%.
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First Business Financial Services, Inc.'s disclosed holdings carry a Herfindahl concentration index of 0.085 — mathematically equivalent to about 12 equally-sized positions, well below its 201 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 4.01), with a handful of outsized bets alongside many smaller positions.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Sector classification currently covers about 24% of this portfolio's disclosed value; the remainder includes holdings (e.g. unmapped tickers, options, or other security types) not yet covered by our sector mapping.
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Trim IEFA
+0.7% $10.5M
Add LRCX
+5.4% $7.5M
Trim AGG
+3.4% $1.2M
Trim DGRO
+0.5% $5.0M
Add IJR
+0.2% $12.2M
Add ANET
+3.9% $3.6M
Showing top 200 holdings (of 201 total)
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | VTI | Vanguard Total Stock Mkt ETF | ETF-Other | 22.81% | +0.07% | -0.29% | |
| 2 | IEFA | Ishares Core Msci Eafe ETF | ETF-Other | 11.74% | -0.78% | +0.74% | |
| 3 | IWF | Ishares Russell 1000 Growth | ETF-Other | 7.05% | +0.10% | +299.26% | |
| 4 | IJR | Ishares Core S&p Small-cap E | ETF-Small Cap | 5.77% | +0.23% | +0.21% | |
| 5 | IWD | Ishares Russell 1000 Value E | ETF-Other | 5.00% | -0.06% | -0.14% | |
| 6 | DGRO | Ishares Core Dividend Growth | ETF-Other | 4.93% | -0.28% | +0.47% | |
| 7 | IJH | Ishares Core S&p Midcap ETF | ETF-Other | 4.26% | +0.01% | +0.59% | |
| 8 | AGG | Ishares Core U.s. Aggregate | ETF-Other | 2.98% | -0.34% | +3.44% | |
| 9 | SPY | Ss Spdr S&p 500 ETF Trust-us | ETF-Large Cap & Growth | 2.53% | — | -0.16% | |
| 10 | FBIZ | First Business Financial Ser | Stock-Other | 1.67% | -0.06% | -5.85% | |
| 11 | NVDA | Nvidia CORP | Stock-Tech | 1.59% | +0.04% | +2.60% | |
| 12 | JPST | Jpmorgan Ultra-short Income | ETF-Other | 1.43% | -0.14% | +4.03% | |
| 13 | AAPL | Apple Inc | Stock-Tech | 1.35% | +0.01% | +0.82% | |
| 14 | AVGO | Broadcom Inc | Stock-Tech | 1.21% | +0.06% | -0.96% | |
| 15 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 1.21% | +0.13% | +3.39% | |
| 16 | CIEN | Ciena CORP | Stock-Tech | 1.10% | +0.06% | -4.13% | |
| 17 | LRCX | Lam Research CORP | Stock-Tech | 1.09% | +0.50% | +5.43% | |
| 18 | JPM | Jpmorgan Chase & Co | Stock-Financials | 0.92% | — | +2.21% | |
| 19 | ANET | Arista Networks Inc | Stock-Tech | 0.91% | +0.19% | +3.89% | |
| 20 | PWR | Quanta Services Inc | Stock-Industrials | 0.87% | +0.11% | +0.43% | |
| 21 | LLY | Eli Lilly & Co | Stock-Healthcare | 0.62% | +0.10% | +3.52% | |
| 22 | VTIP | Vanguard Short-term Tips | ETF-Other | 0.59% | -0.01% | +13.06% | |
| 23 | MTUM | Ishares Msci USA Momentum Fa | ETF-Other | 0.54% | +0.11% | — | |
| 24 | MSFT | Microsoft CORP | Stock-Tech | 0.54% | -0.05% | +3.31% | |
| 25 | XLK | Ss Technology Select Sector | ETF-Tech | 0.54% | +0.11% | — | |
| 26 | IVV | Ishares Core S&p 500 ETF | ETF-Large Cap & Growth | 0.50% | +0.12% | +33.44% | |
| 27 | MUB | Ishares National Muni Bond E | ETF-Other | 0.46% | -0.04% | +3.31% | |
| 28 | C | Citigroup Inc | Stock-Financials | 0.45% | +0.05% | +3.50% | |
| 29 | ADI | Analog Devices Inc | Stock-Tech | 0.43% | +0.05% | +3.74% | |
| 30 | BAC | Bank Of America CORP | Stock-Financials | 0.35% | +0.01% | +3.06% | |
| 31 | NUE | Nucor CORP | Stock-Materials | 0.35% | +0.05% | +4.13% | |
| 32 | COR | Cencora Inc | Stock-Healthcare | 0.35% | -0.08% | +4.44% | |
| 33 | BRK-A | Berkshire Hathaway Inc-cl A | Stock-Other | 0.35% | -0.03% | — | |
| 34 | COST | Costco Wholesale CORP | Stock-Consumer Staples | 0.34% | -0.07% | +1.59% | |
| 35 | XOM | Exxon Mobil CORP | Stock-Energy | 0.33% | -0.11% | +5.35% | |
| 36 | TXN | Texas Instruments Inc | Stock-Tech | 0.32% | +0.09% | +2.74% | |
| 37 | GD | General Dynamics CORP | Stock-Industrials | 0.28% | -0.02% | +4.45% | |
| 38 | CSCO | Cisco Systems Inc | Stock-Tech | 0.28% | +0.07% | -0.04% | |
| 39 | RSSB | Rtrn Stack Glbl Stk & Bd ETF | ETF-Other | 0.28% | +0.09% | +51.02% | |
| 40 | EQIX | Equinix Inc | Stock-Real Estate | 0.28% | -0.01% | +3.67% | |
| 41 | EXPE | Expedia Group Inc | Stock-Consumer Disc | 0.25% | — | +3.84% | |
| 42 | KO | Coca-cola Co/the | Stock-Consumer Staples | 0.25% | -0.01% | +2.60% | |
| 43 | SYK | Stryker CORP | Stock-Healthcare | 0.24% | -0.04% | +3.72% | |
| 44 | RSG | Republic Services Inc | Stock-Industrials | 0.24% | -0.04% | +1.62% | |
| 45 | PRU | Prudential Financial Inc | Stock-Financials | 0.24% | — | +1.76% | |
| 46 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 0.24% | +0.01% | +4.21% | |
| 47 | TJX | Tjx Companies Inc | Stock-Consumer Disc | 0.24% | -0.04% | +3.53% | |
| 48 | NEE | Nextera Energy Inc | Stock-Utilities | 0.24% | -0.04% | +4.00% | |
| 49 | TOL | Toll Brothers Inc | Stock-Consumer Disc | 0.23% | +0.02% | +6.49% | |
| 50 | TMUS | T-mobile US Inc | Stock-Comm Services | 0.23% | -0.09% | +3.37% |
Performance for Q3 2026
+2.7%
Performance Last 4 Quarters
+23.3%
| Period | Holdings | Total value | Stability | Top holdings | |
|---|---|---|---|---|---|
| 2026 Q2 | 201 | $1.3B | 15 | ||
| 2026 Q1 | 192 | $1.1B | 8 | ||
| 2025 Q4 | 168 | $1.1B | 6 | ||
| 2025 Q3 | 185 | $1.1B | 13 | ||
| 2025 Q2 | 185 | $1.1B | 0 | ||
| 2025 Q1 | 170 | $1.0B | 100 | ||
| 2024 Q4 | 162 | $1.0B | 0 | ||
| 2024 Q3 | 159 | $999.2M | 0 | ||
| 2024 Q2 | 157 | $943.3M | 0 | ||
| 2024 Q1 | 165 | $932.5M | 0 | ||
| 2023 Q4 | 162 | $860.2M | 0 | ||
| 2023 Q3 | 168 | $784.8M | 0 | ||
| 2023 Q2 | 167 | $810.7M | 0 | ||
| 2023 Q1 | 168 | $796.8M | 0 | ||
| 2022 Q4 | 163 | $744.2M | 0 | ||
| 2022 Q3 | 161 | $700.3M | 0 | ||
| 2022 Q2 | 159 | $742.4M | 0 | ||
| 2022 Q1 | 171 | $904.4M | 0 | ||
| 2021 Q4 | 170 | $945.1M | 0 | ||
| 2021 Q3 | 156 | $873.9M | 0 | ||
| 2021 Q2 | 155 | $855.5M | 100 | ||
| 2021 Q1 | 134 | $753.4M | 10 | ||
| 2020 Q4 | 125 | $688.2M | 28 | ||
| 2020 Q3 | 123 | $599.1M | 8 | ||
| 2020 Q2 | 121 | $557.9M | 13 | ||
| 2020 Q1 | 115 | $502.3M | 46 | ||
| 2019 Q4 | 124 | $631.9M | 11 | ||
| 2019 Q3 | 118 | $585.0M | 20 | ||
| 2019 Q2 | 117 | $575.6M | 4 | ||
| 2019 Q1 | 105 | $561.0M | 40 | ||
| 2018 Q4 | 154 | $587.8M | 37 | ||
| 2018 Q3 | 118 | $634.5M | 18 | ||
| 2018 Q2 | 88 | $558.3M | 19 | ||
| 2018 Q1 | 80 | $538.4M | 20 | ||
| 2017 Q4 | 78 | $545.4M | 10 | ||
| 2017 Q3 | 80 | $502.9M | 12 | ||
| 2017 Q2 | 76 | $487.3M | 16 | ||
| 2017 Q1 | 76 | $474.4M | 41 | ||
| 2016 Q4 | 70 | $431.5M | 13 | ||
| 2016 Q3 | 80 | $408.9M | 13 | ||
| 2016 Q2 | 81 | $388.6M | 27 | ||
| 2016 Q1 | 85 | $366.9M | 76 | ||
| 2015 Q4 | 70 | $334.4M | 48 | ||
| 2015 Q3 | 90 | $312.4M | 31 | ||
| 2015 Q2 | 87 | $344.5M | 23 | ||
| 2015 Q1 | 79 | $331.5M | 29 | ||
| 2014 Q4 | 79 | $310.3M | 29 | ||
| 2014 Q3 | 83 | $276.1M | 7 | ||
| 2014 Q2 | 76 | $269.2M | 15 | ||
| 2014 Q1 | 81 | $251.4M | 30 | ||
| 2013 Q4 | 61 | $240.3M | 49 | ||
| 2013 Q3 | 41 | $187.7M | 17 | ||
| 2013 Q2 | 36 | $170.6M | — |
First Business Financial Services, Inc.'s most significant position changes for 2026-06-30: New buy: Howmet Aerospace Inc (HWM); New buy: Micron Technology Inc (MU); Sold out: Thomson Reuters CORP (TRI4EUR); New buy: Intel CORP (INTC); New buy: Thomson Reuters CORP (TRI).
Showing top 200 changes by size (of 207 total)
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | LRCX | Lam Research CORP | +0.5% | +5.43% | Add |
| 2 | IJR | Ishares Core S&p Small-cap E | +0.2% | +0.21% | Add |
| 3 | ANET | Arista Networks Inc | +0.2% | +3.89% | Add |
| 4 | HWM | Howmet Aerospace Inc | +0.2% | NEW | New buy |
| 5 | GOOGL | Alphabet Inc-cl A | +0.1% | +3.39% | Add |
| 6 | IVV | Ishares Core S&p 500 ETF | +0.1% | +33.44% | Add |
| 7 | PWR | Quanta Services Inc | +0.1% | +0.43% | Add |
| 8 | XLK | Ss Technology Select Sector | +0.1% | — | Unchanged |
| 9 | MTUM | Ishares Msci USA Momentum Fa | +0.1% | — | Unchanged |
| 10 | IWF | Ishares Russell 1000 Growth | +0.1% | +299.26% | Add |
| 11 | LLY | Eli Lilly & Co | +0.1% | +3.52% | Add |
| 12 | AMD | Advanced Micro Devices | +0.1% | +2.68% | Add |
| 13 | TXN | Texas Instruments Inc | +0.1% | +2.74% | Add |
| 14 | RSSB | Rtrn Stack Glbl Stk & Bd ETF | +0.1% | +51.02% | Add |
| 15 | VTI | Vanguard Total Stock Mkt ETF | +0.1% | -0.29% | Trim |
| 16 | CSCO | Cisco Systems Inc | +0.1% | -0.04% | Trim |
| 17 | AVGO | Broadcom Inc | +0.1% | -0.96% | Trim |
| 18 | CIEN | Ciena CORP | +0.1% | -4.13% | Trim |
| 19 | GLW | Corning Inc | +0.1% | -4.73% | Trim |
| 20 | C | Citigroup Inc | +0.1% | +3.50% | Add |
| 21 | ADI | Analog Devices Inc | +0.1% | +3.74% | Add |
| 22 | NUE | Nucor CORP | +0.1% | +4.13% | Add |
| 23 | NVDA | Nvidia CORP | 0% | +2.60% | Add |
| 24 | MRVL | Marvell Technology Inc | 0% | -3.60% | Trim |
| 25 | AMAT | Applied Materials Inc | 0% | +9.92% | Add |
| 26 | MU | Micron Technology Inc | 0% | NEW | New buy |
| 27 | QCOM | Qualcomm Inc | 0% | +4.13% | Add |
| 28 | INTC | Intel CORP | 0% | NEW | New buy |
| 29 | TOL | Toll Brothers Inc | 0% | +6.49% | Add |
| 30 | ASML | ASML Holding N.V. | 0% | +0.27% | Add |
| 31 | BRK-B | Berkshire Hathaway Inc-cl B | 0% | +29.06% | Add |
| 32 | TRI | Thomson Reuters CORP | 0% | NEW | New buy |
| 33 | STX | Seagate Technology Holdings plc | 0% | NEW | New buy |
| 34 | TSM | Taiwan Semiconductor-sp Adr | 0% | NEW | New buy |
| 35 | GE | General Electric | 0% | +31.88% | Add |
| 36 | CVS | Cvs Health CORP | 0% | NEW | New buy |
| 37 | KEY | Keycorp | 0% | NEW | New buy |
| 38 | WEC | Wec Energy Group Inc | 0% | NEW | New buy |
| 39 | WFC | Wells Fargo & Co | 0% | NEW | New buy |
| 40 | ENB | Enbridge Inc | 0% | NEW | New buy |
| 41 | UBER | Uber Technologies Inc | 0% | NEW | New buy |
| 42 | SPG | Simon Property Group Inc | 0% | NEW | New buy |
| 43 | CEG | Constellation Energy | 0% | NEW | New buy |
| 44 | GNRC | Generac Holdings Inc | 0% | NEW | New buy |
| 45 | IJH | Ishares Core S&p Midcap ETF | 0% | +0.59% | Add |
| 46 | AAPL | Apple Inc | 0% | +0.82% | Add |
| 47 | BAC | Bank Of America CORP | 0% | +3.06% | Add |
| 48 | GOOG | Alphabet Inc-cl C | 0% | +1.96% | Add |
| 49 | AMZN | Amazon.com Inc | 0% | +4.21% | Add |
| 50 | ATI | Ati Inc | 0% | -4.36% | Trim |
First Business Financial Services, Inc. returned an annualized 19.7% over the trailing 36 months — outperforming the S&P 500 by 1.3 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 0.87 (less volatile than the market) and a 47% quarterly batting average against the index.
Its portfolio is broadly diversified and long-term-holding, with 41.8% of the portfolio concentrated in Information Technology.
It has added to its IEFA position over the past two quarters (+$16.0M, now $151.4M), while trimming ACN over the same stretch (-$557.3K, still holding $484.8K).
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