| Northwestern Mutual Series Fund, Inc. - Select Bond Portfolio | 435,941,997 | 484.8M $ | 25.13 % |
| iShares Core U.S. Aggregate Bond ETF | 2,671,333 | 265.2M $ | 13.75 % |
| Northwestern Mutual Series Fund, Inc. - Multi-Sector Bond Portfolio | 144,729,363 | 147M $ | 7.62 % |
| State Street SPDR Portfolio Long Term Treasury ETF | 3,715,420 | 97.7M $ | 5.06 % |
| iShares Core S&P 500 ETF | 147,670 | 96.5M $ | 5.00 % |
| Northwestern Mutual Series Fund, Inc. - International Equity Portfolio | 36,325,517 | 77.8M $ | 4.03 % |
| Northwestern Mutual Series Fund, Inc. - Emerging Markets Equity Portfolio | 55,729,669 | 72.4M $ | 3.75 % |
| SPDR Series Trust | 1,139,650 | 67.5M $ | 3.50 % |
| SPDR Series Trust | 1,034,260 | 50M $ | 2.59 % |
| Northwestern Mutual Series Fund, Inc. - International Growth Portfolio | 21,706,145 | 46.5M $ | 2.41 % |
| Northwestern Mutual Series Fund, Inc. - Domestic Equity Portfolio | 27,417,078 | 43.4M $ | 2.25 % |
| Northwestern Mutual Series Fund, Inc. - Focused Appreciation Portfolio | 10,274,618 | 43M $ | 2.23 % |
| Northwestern Mutual Series Fund, Inc. - Large Cap Blend Portfolio | 41,014,085 | 42.7M $ | 2.21 % |
| iShares Core MSCI EAFE ETF | 462,400 | 41.9M $ | 2.17 % |
| Invesco S&P 500 Equal Weight ETF | 179,170 | 34.4M $ | 1.78 % |
| iShares MSCI USA Value Factor ETF | 208,670 | 29.7M $ | 1.54 % |
| Northwestern Mutual Series Fund, Inc. - Short-Term Bond Portfolio. | 28,024,560 | 29.5M $ | 1.53 % |
| Schwab U.S. REIT ETF | 1,320,200 | 28.4M $ | 1.47 % |
| State Street SPDR Dow Jones REIT ETF | 279,410 | 28.2M $ | 1.46 % |
| Northwestern Mutual Series Fund, Inc. - Mid Cap Value Portfolio | 16,258,407 | 25.4M $ | 1.32 % |
| iShares MSCI International Quality Factor ETF | 541,820 | 25M $ | 1.30 % |
| Northwestern Mutual Series Fund, Inc. - Mid Cap Growth Stock Portfolio | 8,077,053 | 23.2M $ | 1.20 % |
| JPMorgan Ultra-Short Income ETF | 394,940 | 20M $ | 1.04 % |
| Northwestern Mutual Series Fund, Inc. - Small Cap Value Portfolio | 9,319,267 | 18.9M $ | 0.98 % |
| Northwestern Mutual Series Fund, Inc. - Small Cap Growth Stock Portfolio | 7,046,554 | 17.8M $ | 0.92 % |
| Dimensional International Value ETF | 296,590 | 15.7M $ | 0.81 % |
| abrdn Bloomberg All Commodity Strategy K-1 Free ETF | 172,090 | 4.2M $ | 0.22 % |