| Northwestern Mutual Series Fund, Inc. - Select Bond Portfolio | 435 941 997 | 484,8 M $ | 25,13 % |
| iShares Core U.S. Aggregate Bond ETF | 2 671 333 | 265,2 M $ | 13,75 % |
| Northwestern Mutual Series Fund, Inc. - Multi-Sector Bond Portfolio | 144 729 363 | 147 M $ | 7,62 % |
| State Street SPDR Portfolio Long Term Treasury ETF | 3 715 420 | 97,7 M $ | 5,06 % |
| iShares Core S&P 500 ETF | 147 670 | 96,5 M $ | 5,00 % |
| Northwestern Mutual Series Fund, Inc. - International Equity Portfolio | 36 325 517 | 77,8 M $ | 4,03 % |
| Northwestern Mutual Series Fund, Inc. - Emerging Markets Equity Portfolio | 55 729 669 | 72,4 M $ | 3,75 % |
| SPDR Series Trust | 1 139 650 | 67,5 M $ | 3,50 % |
| SPDR Series Trust | 1 034 260 | 50 M $ | 2,59 % |
| Northwestern Mutual Series Fund, Inc. - International Growth Portfolio | 21 706 145 | 46,5 M $ | 2,41 % |
| Northwestern Mutual Series Fund, Inc. - Domestic Equity Portfolio | 27 417 078 | 43,4 M $ | 2,25 % |
| Northwestern Mutual Series Fund, Inc. - Focused Appreciation Portfolio | 10 274 618 | 43 M $ | 2,23 % |
| Northwestern Mutual Series Fund, Inc. - Large Cap Blend Portfolio | 41 014 085 | 42,7 M $ | 2,21 % |
| iShares Core MSCI EAFE ETF | 462 400 | 41,9 M $ | 2,17 % |
| Invesco S&P 500 Equal Weight ETF | 179 170 | 34,4 M $ | 1,78 % |
| iShares MSCI USA Value Factor ETF | 208 670 | 29,7 M $ | 1,54 % |
| Northwestern Mutual Series Fund, Inc. - Short-Term Bond Portfolio. | 28 024 560 | 29,5 M $ | 1,53 % |
| Schwab U.S. REIT ETF | 1 320 200 | 28,4 M $ | 1,47 % |
| State Street SPDR Dow Jones REIT ETF | 279 410 | 28,2 M $ | 1,46 % |
| Northwestern Mutual Series Fund, Inc. - Mid Cap Value Portfolio | 16 258 407 | 25,4 M $ | 1,32 % |
| iShares MSCI International Quality Factor ETF | 541 820 | 25 M $ | 1,30 % |
| Northwestern Mutual Series Fund, Inc. - Mid Cap Growth Stock Portfolio | 8 077 053 | 23,2 M $ | 1,20 % |
| JPMorgan Ultra-Short Income ETF | 394 940 | 20 M $ | 1,04 % |
| Northwestern Mutual Series Fund, Inc. - Small Cap Value Portfolio | 9 319 267 | 18,9 M $ | 0,98 % |
| Northwestern Mutual Series Fund, Inc. - Small Cap Growth Stock Portfolio | 7 046 554 | 17,8 M $ | 0,92 % |
| Dimensional International Value ETF | 296 590 | 15,7 M $ | 0,81 % |
| abrdn Bloomberg All Commodity Strategy K-1 Free ETF | 172 090 | 4,2 M $ | 0,22 % |