MFS Core Bond Fund (MCBGX) is an MF managed by Independent / Boutique. Its largest position is MFS INSTITUTIONAL MONEY MARKET PORTFOLIO (null), representing 4.81% of fund assets.
MFS Core Bond Fund Portfolio Holdings
Source: SEC Form N-PORT institutional portfolio disclosures
- Ticker:
- MCBGX
- Type:
- MF
- Manager:
- Independent / Boutique
- Total Assets:
- —
- Report Date:
- Apr 30, 2026
- Filing Date:
- Jun 29, 2026
| Holding | Weight | Market Value | Shares |
|---|---|---|---|
|
-
MFS INSTITUTIONAL MONEY MARKET PORTFOLIO
|
4.81% | $1,625,833.22 | 1,625,671 |
|
-
UNIFORM MORTGAGE-BACKED SECURITIES
|
1.14% | $386,807.95 | 425,000 |
|
-
FANNIE MAE
|
0.83% | $281,860.86 | 334,530 |
|
-
BAIN CAPITAL CREDIT CLO LTD.
|
0.74% | $250,214.75 | 250,000 |
|
-
DRYDEN CLO LTD.
|
0.74% | $250,076.75 | 250,000 |
|
-
DRYDEN CLO LTD.
|
0.74% | $250,017.00 | 250,000 |
|
-
MF1 2021-FL7 AS V/R 10/16/36
|
0.74% | $249,806.00 | 250,000 |
|
-
PALMER SQUARE LOAN FUNDING LTD.
|
0.74% | $249,727.25 | 250,000 |
|
-
DRYDEN 113 CLO LTD
|
0.74% | $249,687.25 | 250,000 |
|
-
SHACKLETON 2019-XIV CLO, LTD.
|
0.74% | $248,611.00 | 250,000 |
|
-
FEDERAL HOME LOAN MORTGAGE CORP
|
0.71% | $239,568.42 | 272,992 |
|
-
UMBS, TBA
|
0.68% | $229,687.32 | 225,000 |
|
-
FNMA
|
0.61% | $206,101.95 | 238,327 |
|
-
BAIN CAPITAL CREDIT CLO LTD.
|
0.59% | $199,997.60 | 200,000 |
|
-
UNIFORM MORTGAGE-BACKED SECURITIES
|
0.59% | $199,973.38 | 250,000 |
|
-
FNMA GTD MTG PASS THRU CTF
|
0.58% | $195,694.85 | 233,435 |
|
-
UMBS, TBA
|
0.55% | $187,539.09 | 200,000 |
|
-
TPG REAL ESTATE FINANCE
|
0.54% | $183,086.19 | 183,045 |
|
-
BDS 2026-FL17 LLC
|
0.54% | $181,738.00 | 181,738 |
|
-
MSWF COMMERCIAL MORTGAGE TRUST
|
0.53% | $179,573.59 | 169,165 |
|
-
FEDERAL NATIONAL MORTGAGE ASSOCIATION FANNIE MAE
|
0.52% | $175,615.06 | 178,092 |
|
-
FANNIE MAE
|
0.52% | $174,143.92 | 175,000 |
|
-
WELLS FARGO COMMERCIAL MORTGAGE TRUST 2017-RB1
|
0.51% | $172,253.34 | 175,000 |
|
-
ACRES PLC
|
0.51% | $171,160.47 | 171,000 |
|
-
FHLMC POOL
|
0.49% | $165,457.87 | 171,910 |
|
-
MF1 MULTIFAMILY HOUSING MORTGAGE LOAN TRUST
|
0.49% | $164,565.82 | 164,000 |
|
-
FHLMC POOL
|
0.48% | $162,655.46 | 172,550 |
|
-
ARDN 2025-ARCP A V/R 06/15/27
|
0.47% | $158,294.80 | 158,000 |
|
-
MF1
|
0.46% | $154,939.36 | 154,790 |
|
-
FEDERAL NATIONAL MORTGAGE ASSOCIATION FANNIE MAE
|
0.45% | $153,176.19 | 175,000 |
|
-
BANK
|
0.45% | $151,404.13 | 145,414 |
|
-
FANNIE MAE
|
0.45% | $150,845.01 | 145,469 |
|
-
VENTURE CLO 43 LIMITED
|
0.44% | $149,728.80 | 150,000 |
|
-
GOVERNMENT NATIONAL MORTGAGE A
|
0.42% | $142,737.42 | 173,412 |
|
-
BDS LTD
|
0.41% | $136,897.71 | 136,617 |
|
-
GNMA
|
0.39% | $130,762.63 | 131,216 |
|
-
GOVERNMENT NATIONAL MORTGAGE ASSOCIATION
|
0.38% | $127,680.11 | 148,917 |
|
-
GOVERNMENT NATIONAL MORTGAGE ASSOCIATION
|
0.37% | $124,910.05 | 128,525 |
|
-
PMT LOAN TRUST
|
0.35% | $117,665.66 | 117,287 |
|
-
PFP III
|
0.34% | $115,505.43 | 115,500 |
|
-
FED HOME LOAN MTG CORP - GOLD
|
0.34% | $115,018.92 | 113,355 |
|
-
GOVERNMENT NATIONAL MORTGAGE ASSOCIATION
|
0.34% | $114,472.06 | 128,203 |
|
-
GOVERNMENT NATIONAL MORTGAGE ASSOCIATION
|
0.33% | $112,724.26 | 131,474 |
|
-
GOVERNMENT NATIONAL MORTGAGE ASSOCIATION
|
0.33% | $111,975.77 | 130,601 |
|
-
FREDDIE MAC
|
0.33% | $111,409.73 | 115,308 |
|
-
FNMA GTD MTG PASS THRU CTF
|
0.31% | $103,347.58 | 117,766 |
|
-
GREYSTONE COMMERCIAL REAL ESTATE NOTES
|
0.30% | $100,971.10 | 100,000 |
|
-
MTN COMMERCIAL MORTGAGE TRUST
|
0.30% | $100,470.00 | 100,000 |
|
-
MF1 MULTIFAMILY HOUSING MORTGAGE LOAN TRUST
|
0.30% | $100,398.85 | 100,000 |
|
-
BX COMMERCIAL MORTGAGE TRUST
|
0.30% | $100,218.75 | 100,000 |
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