| 1 | iShares Core S&P 500 ETF | 63.573 | 41,5 Mio. $ | |
| 2 | Vanguard Short-term Bond Etf | 163.072 | 12,8 Mio. $ | |
| 3 | Vanguard Total Bond Market ETF | 169.234 | 12,5 Mio. $ | |
| 4 | iShares Core U.S. Aggregate Bond ETF | 123.843 | 12,3 Mio. $ | |
| 5 | Vanguard Total International S | 78.170 | 6 Mio. $ | |
| 6 | Microsoft Corp | 15.856 | 5,9 Mio. $ | |
| 7 | iShares Trust | 54.312 | 5,3 Mio. $ | |
| 8 | Vanguard Malvern Funds | 96.244 | 4,8 Mio. $ | |
| 9 | Apple Inc | 17.681 | 4,5 Mio. $ | |
| 10 | iShares Russell 2000 ETF | 15.920 | 3,9 Mio. $ | |
| 11 | iShares Core S&P Mid-Cap ETF | 57.816 | 3,9 Mio. $ | |
| 12 | Vanguard Total Stock Market ETF | 10.169 | 3,3 Mio. $ | |
| 13 | SELECT SECTOR SPDR TRUST (THE) | 24.490 | 3,3 Mio. $ | |
| 14 | Alphabet Inc | 9.545 | 2,7 Mio. $ | |
| 15 | Johnson & Johnson | 11.096 | 2,7 Mio. $ | |
| 16 | iShares Core S&P Small-Cap ETF | 21.146 | 2,6 Mio. $ | |
| 17 | Home Depot Inc/The | 7.868 | 2,6 Mio. $ | |
| 18 | Berkshire Hathaway Inc | 4.704 | 2,2 Mio. $ | |
| 19 | JPMorgan Chase & Co | 7.405 | 2,2 Mio. $ | |
| 20 | Chevron Corp | 8.492 | 1,8 Mio. $ | |
| 21 | Exxon Mobil Corp | 8.765 | 1,5 Mio. $ | |
| 22 | McDonald's Corp. | 4.455 | 1,4 Mio. $ | |
| 23 | Aadi Bioscience Inc | 4.571 | 1,3 Mio. $ | |
| 24 | Ames National Corp | 46.557 | 1,3 Mio. $ | |
| 25 | Procter & Gamble Co/The | 8.777 | 1,3 Mio. $ | |
| 26 | Automatic Data Processing Inc | 5.683 | 1,2 Mio. $ | |
| 27 | Walmart Inc | 7.973 | 990.885 $ | |
| 28 | Union Pacific Corp | 4.082 | 982.527 $ | |
| 29 | Cisco Systems, Inc. | 12.606 | 978.290 $ | |
| 30 | Merck & Co Inc | 7.854 | 944.016 $ | |
| 31 | Casey's General Stores Inc | 1.200 | 873.432 $ | |
| 32 | Alphabet Inc | 2.863 | 819.781 $ | |
| 33 | Vanguard S&P 500 ETF | 1.148 | 685.331 $ | |
| 34 | Visa Inc | 2.082 | 627.808 $ | |
| 35 | General Dynamics Corp | 1.762 | 604.754 $ | |
| 36 | Vanguard High Dividend Yield E | 3.955 | 585.736 $ | |
| 37 | Blackrock Inc | 564 | 542.405 $ | |
| 38 | State Street SPDR S&P 500 ETF Trust | 828 | 538.482 $ | |
| 39 | PPG Industries Inc | 4.570 | 488.442 $ | |
| 40 | PepsiCo Inc | 3.020 | 468.975 $ | |
| 41 | Blackstone Inc | 3.900 | 448.461 $ | |
| 42 | Pfizer Inc | 15.942 | 446.914 $ | |
| 43 | QUALCOMM Inc | 3.414 | 439.655 $ | |
| 44 | RTX Corp | 2.228 | 429.781 $ | |
| 45 | UnitedHealth Group Inc | 1.516 | 410.215 $ | |
| 46 | AT&T Inc | 14.037 | 407.022 $ | |
| 47 | Aflac Inc | 3.690 | 404.830 $ | |
| 48 | Deere & Co | 663 | 373.579 $ | |
| 49 | Air Products and Chemicals Inc | 1.285 | 373.280 $ | |
| 50 | Norfolk Southern Corp | 1.300 | 368.225 $ | |
| 51 | Verizon Communications Inc | 7.163 | 359.610 $ | |
| 52 | Coca-Cola Co/The | 4.597 | 349.602 $ | |
| 53 | Sysco Corp | 4.725 | 337.034 $ | |
| 54 | AbbVie Inc | 1.465 | 311.221 $ | |
| 55 | Alliant Energy Corp | 4.185 | 299.898 $ | |
| 56 | NIKE Inc | 5.497 | 290.352 $ | |
| 57 | iShares Preferred and Income S | 9.400 | 285.008 $ | |
| 58 | Caterpillar Inc | 383 | 271.340 $ | |
| 59 | Walt Disney Co/The | 2.524 | 243.263 $ | |
| 60 | Abbott Laboratories | 2.325 | 239.764 $ | |
| 61 | Vanguard FTSE Developed Markets ETF | 3.649 | 233.828 $ | |
| 62 | Wells Fargo & Co | 3.000 | 231.570 $ | |
| 63 | KLA Corp | 150 | 220.862 $ | |
| 64 | Stryker Corp | 665 | 218.167 $ | |
| 65 | Travelers Cos Inc/The | 726 | 211.760 $ | |
| 66 | Amgen Inc | 595 | 209.058 $ | |