Who owns FBIZWhat FBIZ owns
What First Business Financial Services, Inc. owns
The company's own 13F portfolio · as of 2026-03-31 · long US-listed stakes only — private holdings, bonds and cash are not disclosable on a 13F
$1.12B
disclosed stock portfolio
192
positions
22.7%
in VTI
Positions, as of 2026-03-31
ordered by filed value · % of book = share of the disclosed stock portfolio · PUT/CALL tags = options positions (share-equivalents), not shares held
| # | Issuer | Shares | Value | % of book |
|---|---|---|---|---|
| 1 | VTIVanguard Total Stock Market ET | 797,187 | $255.7M | 22.7% |
| 2 | IEFAiShares Core MSCI EAFE ETF | 1.6M | $140.9M | 12.5% |
| 3 | IWFiShares Russell 1000 Growth ET | 183,308 | $78.2M | 6.9% |
| 4 | IJRiShares Core S&P Small-Cap ETF | 500,941 | $62.3M | 5.5% |
| 5 | DGROiShares Core Dividend Growth | 835,155 | $58.6M | 5.2% |
| 6 | IWDiShares Russell 1000 Value ETF | 266,206 | $56.9M | 5.1% |
| 7 | IJHiShares Core S&P Mid-Cap ETF | 707,534 | $47.8M | 4.2% |
| 8 | AGGiShares Core US Aggregate Bond | 375,696 | $37.3M | 3.3% |
| 9 | SPYState Street SPDR S&P 500 ETF | 43,754 | $28.5M | 2.5% |
| 10 | FBIZFirst Business Financial Servi | 361,311 | $19.5M | 1.7% |
| 11 | JPSTJPMorgan Ultra-Short Income ET | 349,703 | $17.7M | 1.6% |
| 12 | NVDANvidia Corp | 99,950 | $17.4M | 1.5% |
| 13 | AAPLApple Inc | 59,469 | $15.1M | 1.3% |
| 14 | AVGOBroadcom Inc | 41,647 | $12.9M | 1.1% |
| 15 | GOOGLAlphabet Inc Cap Stk Cl A | 42,161 | $12.1M | 1.1% |
| 16 | CIENCiena Corp | 30,050 | $11.7M | 1% |
| 17 | JPMJPMorgan Chase & Co | 35,340 | $10.4M | 0.9% |
| 18 | PWRQuanta Services Inc | 15,527 | $8.5M | 0.8% |
| 19 | ANETArista Networks Inc | 66,173 | $8.1M | 0.7% |
| 20 | MSFTMicrosoft Corp | 18,047 | $6.7M | 0.6% |
| 21 | VTIPVanguard Short-Term Inflation | 132,822 | $6.6M | 0.6% |
| 22 | LRCXLam Research Corporation | 30,841 | $6.6M | 0.6% |
| 23 | LLYLilly Eli Co | 6,416 | $5.9M | 0.5% |
| 24 | MUBiShares National Muni Bond ETF | 52,980 | $5.6M | 0.5% |
| 25 | EXMOCExxon Mobil Corp | 29,246 | $5.0M | 0.4% |
| 26 | MTUMiShares Edge MSCI USA Momentum | 20,335 | $4.9M | 0.4% |
| 27 | XLKState Street Technology Select | 36,498 | $4.9M | 0.4% |
| 28 | CORCENCORA INC | 15,341 | $4.8M | 0.4% |
| 29 | COSTCostco Wholesale Corp | 4,649 | $4.6M | 0.4% |
| 30 | CCitigroup Inc | 40,051 | $4.5M | 0.4% |
| 31 | BRK/ABerkshire Hathaway Inc Class A | 6 | $4.3M | 0.4% |
| 32 | ADIAnalog Devices Inc | 13,374 | $4.3M | 0.4% |
| 33 | IVViShares S&P 500 Core | 6,474 | $4.2M | 0.4% |
| 34 | BACBank of America Corp | 77,650 | $3.8M | 0.3% |
| 35 | TMUST Mobile US Inc | 16,904 | $3.6M | 0.3% |
| 36 | GDGeneral Dynamics Corp | 9,862 | $3.4M | 0.3% |
| 37 | XLEState Street Energy Select Sec | 54,244 | $3.3M | 0.3% |
| 38 | NUENucor Corp | 19,645 | $3.3M | 0.3% |
| 39 | EQIXEquinix Inc | 3,297 | $3.2M | 0.3% |
| 40 | SYKStryker Corp | 9,665 | $3.2M | 0.3% |
| 41 | RSGRepublic Services Inc | 14,228 | $3.1M | 0.3% |
| 42 | TJXTJX Companies Inc | 19,471 | $3.1M | 0.3% |
| 43 | NEENextera Energy Inc | 33,324 | $3.1M | 0.3% |
| 44 | KOCoca-Cola Co | 38,766 | $2.9M | 0.3% |
| 45 | EA*Electronic Arts Inc | 14,190 | $2.9M | 0.3% |
| 46 | EXPEExpedia Group Inc New | 12,202 | $2.8M | 0.3% |
| 47 | PRUPrudential Financial Inc | 28,046 | $2.7M | 0.2% |
| 48 | ICEIntercontinental Exchange Inc | 17,277 | $2.7M | 0.2% |
| 49 | TXNTexas Instruments Inc | 13,596 | $2.6M | 0.2% |
| 50 | AMZNAmazon.com Inc | 12,366 | $2.6M | 0.2% |
| 51 | METAMeta Platforms Inc | 4,321 | $2.5M | 0.2% |
| 52 | CSCOCisco Systems Inc | 31,050 | $2.4M | 0.2% |
| 53 | TOLToll Brothers Inc | 16,983 | $2.3M | 0.2% |
| 54 | XLIState Street Industrial Select | 14,013 | $2.3M | 0.2% |
| 55 | LOWLowe's Companies Inc | 9,355 | $2.2M | 0.2% |
| 56 | RSSBReturn Stacked Global Stocks & | 78,208 | $2.1M | 0.2% |
| 57 | DRIDarden Restaurants Inc | 10,684 | $2.1M | 0.2% |
| 58 | OSKOshkosh Corporation | 14,069 | $2.1M | 0.2% |
| 59 | NFLXNetflix Inc | 21,126 | $2.0M | 0.2% |
| 60 | SLBSLB Limited | 38,779 | $2.0M | 0.2% |
| 61 | GOOGAlphabet Inc Cap Stk Cl C | 6,884 | $2.0M | 0.2% |
| 62 | KRKroger Co | 26,349 | $1.9M | 0.2% |
| 63 | GLDSpdr Gold Trust | 4,247 | $1.8M | 0.2% |
| 64 | PMPhilip Morris International In | 10,458 | $1.7M | 0.2% |
| 65 | AEPAmerican Electric Power Inc | 13,027 | $1.7M | 0.2% |
| 66 | ABBVAbbvie Inc Com | 7,166 | $1.6M | 0.1% |
| 67 | IQVIqvia Holdings Inc | 8,964 | $1.5M | 0.1% |
| 68 | IWBiShares Russell 1000 ETF | 4,244 | $1.5M | 0.1% |
| 69 | XLYState Street Consumer Dis Sele | 12,902 | $1.4M | 0.1% |
| 70 | VBVanguard Small-Cap ETF | 5,070 | $1.3M | 0.1% |
| 71 | QCOMQualcomm Inc | 10,128 | $1.3M | 0.1% |
| 72 | PLTRPalantir Technologies Inc | 8,815 | $1.3M | 0.1% |
| 73 | CLColgate-Palmolive Co | 15,111 | $1.3M | 0.1% |
| 74 | IWMiShares Russell 2000 | 4,950 | $1.2M | 0.1% |
| 75 | GLWCorning Inc | 8,962 | $1.2M | 0.1% |
| 76 | APOApollo Global Mgmt Inc | 10,902 | $1.2M | 0.1% |
| 77 | XLFFinancial Select Sector SPDR E | 24,095 | $1.2M | 0.1% |
| 78 | JNJJohnson & Johnson | 4,647 | $1.1M | 0.1% |
| 79 | VOXVanguard Communication SVCS ET | 6,200 | $1.1M | 0.1% |
| 80 | WMTWal-Mart Inc | 8,814 | $1.1M | 0.1% |
| 81 | ATIATI Inc | 7,484 | $1.1M | 0.1% |
| 82 | MRKMerck & Co Inc | 8,804 | $1.1M | 0.1% |
| 83 | BRK/BBerkshire Hathaway INC-CL B | 2,199 | $1.1M | 0.1% |
| 84 | CRMSalesforce Inc. | 5,309 | $991,031 | 0.1% |
| 85 | IWOiShares Russell 2000 Growth | 3,132 | $982,853 | 0.1% |
| 86 | ASML Holding N V N Y Registry | 732 | $966,848 | 0.1% |
| 87 | VOVanguard Mid-Cap ETF | 3,205 | $920,412 | 0.1% |
| 88 | IWNiShares Russell 2000 Value | 4,604 | $872,872 | 0.1% |
| 89 | NULVNuveen ESG Large Cap Value | 18,931 | $861,361 | 0.1% |
| 90 | XLCState Street Comm Svcs Select | 7,317 | $811,163 | 0.1% |
| 91 | USMViShares Edge MSCI Min Vol USA | 8,694 | $806,282 | 0.1% |
| 92 | BLKBlackrock Inc New | 835 | $803,028 | 0.1% |
| 93 | Eaton Corp PLC | 2,173 | $777,217 | 0.1% |
| 94 | PGProcter & Gamble Co | 5,360 | $774,198 | 0.1% |
| 95 | Accenture PLC | 3,889 | $771,150 | 0.1% |
| 96 | TDGTransdigm Group Inc | 652 | $755,642 | 0.1% |
| 97 | CTASimplify Managed Futures ETF | 24,179 | $730,689 | 0.1% |
| 98 | AMDAdvanced Micro Devices Inc | 3,506 | $713,226 | 0.1% |
| 99 | SLVIshares Silver Trust | 10,330 | $703,886 | 0.1% |
| 100 | MDLZMondelez Intl Inc Class A | 12,118 | $698,482 | 0.1% |
Source: SEC Form 13F-HR filed by First Business Financial Services, Inc. (CIK 1521951), reporting period 2026-03-31. Values are quarter-end filed marks. Research, not investment advice.