MFSB
MFS Active Core Plus Bond ETF
MFS Active Exchange Traded Funds Trust
ETF

Portfolio concentration

As of February 28, 2026 · N-PORT
Holdings
360
Top-10 weight
24.65%
Effective holdings ?
97
Crowding ?
151.0

Holdings

As of February 28, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 US TREASURY N/B 11,945,000 $12.02M 5.17%
2 US TREASURY N/B 10,280,000 $10.44M 4.49%
3 State Street Navigator Securities Lending Portfolio II GVMXX 7,478,945 $7.48M 3.21%
4 US TREASURY N/B 5,450,000 $5.50M 2.36%
5 US TREASURY N/B 5,100,000 $5.30M 2.28%
6 US TREASURY N/B 5,409,000 $5.28M 2.27%
7 US TREASURY N/B 3,625,000 $3.62M 1.56%
8 US TREASURY N/B 3,460,000 $3.24M 1.39%
9 US TREASURY N/B 2,845,000 $2.91M 1.25%
10 FN MA5552 2,189,793 $2.20M 0.95%
11 US TREASURY N/B 1,900,000 $1.89M 0.81%
12 Uniform Mortgage-Backed Security, TBA FNMA 1,825,000 $1.72M 0.74%
13 US TREASURY N/B 1,500,000 $1.53M 0.66%
14 STOAU 5.75 11/13/35 144A STOAU 1,493,000 $1.53M 0.66%
15 BOSTON PROP LP 1,473,000 $1.50M 0.64%
16 NRZT, Series 2025-NQM6, Class A1 NRZT 1,448,392 $1.46M 0.63%
17 MF1 LLC, Series 2025-FL20, Class C 1,404,267 $1.41M 0.61%
18 BOEING CO/THE 1,226,000 $1.37M 0.59%
19 PMT Loan Trust, Series 2026-INV2, Class A35 1,349,877 $1.35M 0.58%
20 HIGHWOODS REALTY 1,339,000 $1.35M 0.58%
21 ENERGY TRANS 1,324,000 $1.35M 0.58%
22 New Residential Mortgage Loan Trust, Series 2026-NQM3, Class A1 1,314,169 $1.32M 0.57%
23 FR SD8199 1,568,780 $1.31M 0.56%
24 Bain Capital Credit CLO 2021-4 Ltd 1,300,000 $1.30M 0.56%
25 VORNADO REALTY LP SR UNSECURED 02/33 5.75 VNO 1,278,000 $1.30M 0.56%
26 FR SD8213 1,421,931 $1.29M 0.55%
27 NTT FINANCE 1,225,000 $1.28M 0.55%
28 CBRE SERVICES IN 1,188,000 $1.27M 0.55%
29 Dryden 98 CLO Ltd 1,250,000 $1.25M 0.54%
30 C V6.875 PERP GG C 1,214,000 $1.24M 0.53%
31 Unity-Peace Park CLO Ltd 1,242,757 $1.24M 0.53%
32 AVOLON HOLDINGS FUNDING LTD 4.95% 10/15/2032 144A AVOL 1,205,000 $1.21M 0.52%
33 Enel SPA 7.50 10/14/2032 ENELIM 1,025,000 $1.19M 0.51%
34 JEFFERIES GROUP JEF 1,196,000 $1.18M 0.51%
35 ROGERS COMMUNIC 1,206,000 $1.15M 0.50%
36 JAPAN TOBACCO INC SR UNSECURED 144A 06/35 5.85 1,051,000 $1.14M 0.49%
37 FN MA4562 1,341,458 $1.11M 0.48%
38 DICK'S SPORTING 1,197,000 $1.11M 0.48%
39 ELM Trust, Series 2024-ELM, Class C15 ELM 1,100,000 $1.11M 0.47%
40 FR 5.25 01/15/31 FR 1,068,000 $1.10M 0.47%
41 FERGUSON ENTERPR 1,079,000 $1.10M 0.47%
42 CHARLES SCHWAB 1,080,000 $1.08M 0.46%
43 TARGA RESOURCES 993,000 $1.07M 0.46%
44 JPMORGAN CHASE 1,046,000 $1.06M 0.46%
45 ASHTEAD CAPITAL 1,000,000 $1.06M 0.45%
46 BROWN & BROWN 1,019,000 $1.04M 0.45%
47 AUTONATION INC 980,000 $1.02M 0.44%
48 WELLS FARGO CO 1,006,000 $1.01M 0.43%
49 PFP Ltd., Series 2026-13, Class AS 1,000,000 $1.00M 0.43%
50 Dryden 86 CLO Ltd., Series 2020-86A, Class CR2 999,128 $999.93K 0.43%
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