MFS Active Core Plus Bond ETF (MFSB) is an ETF managed by Independent / Boutique. Its largest position is STATE STREET GLOBAL ADVISORS (GVMXX), representing 3.21% of fund assets.
MFS Active Core Plus Bond ETF Portfolio Holdings
Source: SEC Form N-PORT institutional portfolio disclosures
- Ticker:
- MFSB
- Type:
- ETF
- Manager:
- Independent / Boutique
- Total Assets:
- —
- Report Date:
- Feb 28, 2026
- Filing Date:
- Apr 24, 2026
| Holding | Weight | Market Value | Shares |
|---|---|---|---|
|
-
STATE STREET GLOBAL ADVISORS
|
3.21% | $7,478,945.04 | 7,478,945 |
|
-
FEDERAL NATIONAL MORTGAGE ASSOCIATION FANNIE MAE
|
0.95% | $2,201,798.91 | 2,189,793 |
|
-
FEDERAL NATIONAL MORTGAGE ASSOCIATION
|
0.74% | $1,719,661.82 | 1,825,000 |
|
-
NEW RESIDENTIAL MORTGAGE LOAN TRUST
|
0.63% | $1,458,760.14 | 1,448,392 |
|
-
MF1 MULTIFAMILY HOUSING MORTGAGE LOAN TRUST
|
0.61% | $1,409,937.01 | 1,404,267 |
|
-
PMT LOAN TRUST
|
0.58% | $1,349,850.27 | 1,349,877 |
|
-
NEW RESIDENTIAL MORTGAGE LOAN TRUST 2020-1
|
0.57% | $1,315,195.10 | 1,314,169 |
|
-
FREDDIE MAC
|
0.56% | $1,305,234.90 | 1,568,780 |
|
-
BAIN CAPITAL CREDIT CLO LTD.
|
0.56% | $1,300,000.00 | 1,300,000 |
|
-
FEDERAL HOME LOAN MORTGAGE CORP
|
0.55% | $1,288,747.48 | 1,421,931 |
|
-
DRYDEN SENIOR LOAN FUND
|
0.54% | $1,250,000.00 | 1,250,000 |
|
-
UNITY-PEACE PARK CLO LTD
|
0.53% | $1,243,067.69 | 1,242,757 |
|
-
FANNIE MAE
|
0.48% | $1,114,860.77 | 1,341,458 |
|
-
ELM CLO LTD
|
0.47% | $1,105,207.73 | 1,100,000 |
|
-
PFP LTD.
|
0.43% | $1,004,041.20 | 1,000,000 |
|
-
DRYDEN SENIOR LOAN FUND
|
0.43% | $999,927.30 | 999,128 |
|
-
MF1 2021-FL7 AS V/R 10/16/36
|
0.43% | $998,924.00 | 1,000,000 |
|
-
PARK AVENUE INSTITUTIONAL ADVISERS CLO LTD
|
0.43% | $993,049.99 | 992,908 |
|
-
FANNIE MAE
|
0.42% | $970,117.51 | 945,680 |
|
-
BX TRUST
|
0.41% | $960,081.62 | 958,285 |
|
-
PFP III
|
0.41% | $953,259.45 | 950,000 |
|
-
MORGAN STANLEY RESIDENTIAL MORTGAGE LOAN TRUST
|
0.41% | $945,771.29 | 945,190 |
|
-
FREDDIE MAC
|
0.40% | $932,819.85 | 917,245 |
|
-
BAIN CAPITAL CREDIT CLO LTD.
|
0.39% | $913,775.50 | 935,000 |
|
-
MF1 MULTIFAMILY HOUSING MORTGAGE LOAN TRUST
|
0.38% | $889,411.67 | 888,889 |
|
-
BAIN CAPITAL CREDIT CLO LTD.
|
0.35% | $804,848.63 | 803,892 |
|
-
FEDERAL HOME LOAN MORTGAGE CORP
|
0.35% | $803,645.91 | 922,733 |
|
-
BAIN CAPITAL CREDIT CLO LTD.
|
0.34% | $801,696.80 | 800,000 |
|
-
AMERICAN CREDIT ACCEPTANCE RECEIVABLES TRUST
|
0.33% | $769,006.31 | 769,000 |
|
-
OCTAGON 57 LTD.
|
0.32% | $750,327.00 | 750,000 |
|
-
MF1 MULTIFAMILY HOUSING MORTGAGE LOAN TRUST
|
0.31% | $718,690.38 | 715,568 |
|
-
FREDDIE MAC
|
0.31% | $710,177.65 | 815,122 |
|
-
TRINITAS CLO LTD
|
0.30% | $699,732.60 | 700,000 |
|
-
ACORE ISSUER, LLC
|
0.30% | $693,295.42 | 692,000 |
|
-
LRECS 2025-CRE1 LLC
|
0.30% | $687,927.86 | 687,327 |
|
-
FREDDIE MAC
|
0.29% | $679,578.32 | 819,593 |
|
-
PROVIDENT FUNDING MORTGAGE TRUST
|
0.29% | $677,346.15 | 671,713 |
|
-
BrightSpire Capital, Inc.
|
0.29% | $667,827.75 | 667,000 |
|
-
FHLMC POOL
|
0.29% | $664,680.26 | 762,632 |
|
-
SIGNAL PEAK CLO, LLC
|
0.28% | $651,351.35 | 650,000 |
|
-
FANNIE MAE
|
0.28% | $645,873.26 | 664,219 |
|
-
NEW RESIDENTIAL MORTGAGE LOAN TRUST
|
0.28% | $641,930.31 | 641,678 |
|
-
RATE MORTGAGE TRUST
|
0.27% | $628,431.27 | 623,905 |
|
-
FREDDIE MAC
|
0.27% | $616,845.51 | 623,401 |
|
-
GOLDENTREE LOAN MANAGEMENT US CLO1, LTD
|
0.26% | $600,826.80 | 600,000 |
|
-
MF1 2025-FL19 B V/R 05/18/30
|
0.25% | $574,612.70 | 572,121 |
|
-
ENTERPRISE FLEET FINANCING LLC
|
0.24% | $569,529.74 | 568,000 |
|
-
ACRES PLC
|
0.24% | $553,215.83 | 551,500 |
|
-
BANK
|
0.23% | $542,941.15 | 500,000 |
|
-
MF1 MULTIFAMILY HOUSING MORTGAGE LOAN TRUST
|
0.23% | $527,529.78 | 527,037 |
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