| 1 | iShares MBS ETF | MBB | Unknown | 464288588 | 24.438% |
| 2 | iShares 5-10 Year Investment Grade Corporate Bond ETF | IGIB | Unknown | 464288638 | 16.992% |
| 3 | FlexShares Ultra-Short Income Fund | RAVI | Unknown | 33939L886 | 12.905% |
| 4 | FlexShares Disciplined Duration MBS Index Fund | MBSD | Unknown | 33939L779 | 12.543% |
| 5 | iShares 20+ Year Treasury Bond ETF | TLT | Unknown | 464287432 | 12.386% |
| 6 | FlexShares Credit-Scored US Corporate Bond Index Fund | SKOR | Unknown | 33939L761 | 9.408% |
| 7 | iShares 3-7 Year Treasury Bond | IEI | Unknown | 464288661 | 5.086% |
| 8 | FlexShares iBoxx 3-Year Target Duration TIPS Index Fund | TDTT | Unknown | 33939L506 | 2.079% |
| 9 | iShares 7-10 Year Treasury Bond ETF | IEF | Unknown | 464287440 | 0.508% |
| 10 | iShares 1-5 Year Investment Grade Corporate Bond ETF | IGSB | Unknown | 464288646 | 0.501% |
| 11 | iShares 1-3 Year Treasury Bond | SHY | Unknown | 464287457 | 0.501% |
| 12 | FlexShares Credit-Scored US Long Corporate Bond Index Fund | LKOR | Unknown | 33939L753 | 0.474% |
| 13 | United States of America | B | Manufacturing | 912797PW1 | 0.320% |
| 14 | iShares 10+ Year Investment Grade Corporate Bond ETF | IGLB | Unknown | 464289511 | 0.027% |
| 15 | N/A | N/A | Information | N/A | 0.002% |