The largest domestic fixed-income mutual funds most used by DC plans

U.S. defined contribution assets, in millions, as of June 30, 2018.
1PIMCO Total Return$31,955
2Vanguard Total Bond Mkt. Index-Inst'l$17,480
3 Dodge & Cox Income$12,100
4PIMCO Income$11,606
5PGIM Total Return Bond-R6$9,702
6Fidelity Spartan U.S. Bond Index$9,411
7Vanguard Tt. Bd. Mk. Index-Inst'l Plus$8,501
8Vanguard Total Bond Mkt. Index-Adm.$6,870
9Fidelity Total Bond$5,078
10Federated Total Return Bond$3,893
11American Funds Bond$3,302
12Federated Inst'l High Yield$3,257
13J.P. Morgan Core Bond$2,970
14 Loomis Sayles Core Plus$2,679
15Western Asset Core Plus-I$2,674
16 BlackRock (BLK) Total Return$2,537
17Vanguard ST Bond Index-Inst'l Plus$2,473
18PIMCO High Yield$2,431
19 BlackRock High Yield$2,428
20Fidelity Advisor Strategic Income$2,415
21Fidelity Capital & Income$2,354
22Western Asset Core Plus-IS$2,293
23Wells Fargo Core Bond$1,902
24Western Asset Core-IS$1,884
25Vanguard Total Bond Mkt. Index-Inv.$1,841
26PIMCO Short Term$1,755
27J.P. Morgan Core Plus$1,728
28Vanguard Inter.-term Bd. Index-Adm.$1,649
29Federated Ultra-short Bond$1,643
30 Loomis Sayles Bond$1,592
31Fidelity Government Income$1,467
32PGIM High Yield-R6$1,434
33Vanguard Long-term Inv. Gr.-Adm.$1,432
34 BlackRock Strategic Income Opp.$1,392
35Janus Henderson Flexible Bond$1,375
36PIMCO Low Duration$1,337
37Vanguard High-yield Corp.-Adm.$1,207
38Fidelity Investment Grade Bond$1,185
39Fidelity Intermediate Bond$1,172
40PIMCO Invest. Gr. Corp. Bond$1,121
41John Hancock Bond$1,105
42Voya Intermediate Bond Port.$1,082
43 BlackRock iShares U.S. ABI$1,076
44American Funds High-income Trust$980
45American Funds U.S. Gov't Secs.$946
46Voya Intermediate Bond$931
47Wells Fargo Ultra-short Muni$827
48 Loomis Sayles Strategic Income$811
49Fidelity High Income$804
50J.P. Morgan Government Bond$794
Inflation protection is included in the "other" mutual funds category.