# Portfolio overlap — MIAAX vs VTP

Comparing **MFS Inflation-Adjusted Bond Fund** (2026-01-31) and **VANGUARD TOTAL INFLATION-PROTECTED SECURITIES ETF** (2026-03-31).

- Shared positions: 22
- MFS Inflation-Adjusted Bond Fund covered by VANGUARD TOTAL INFLATION-PROTECTED SECURITIES ETF: 0.4530059526484913540545005555
- VANGUARD TOTAL INFLATION-PROTECTED SECURITIES ETF covered by MFS Inflation-Adjusted Bond Fund: 0.4530059526484913540545005555

## MFS Inflation-Adjusted Bond Fund — top positions

| Security | Weight | Shared |
|----------|--------|--------|
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 01/15/2031 | 0.116435 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES .125 07/15/2030 | 0.092607 | ✓ |
| U.S. Treasury Inflation-Protected Notes 1.75%, Due 01/15/2034 | 0.075530 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES .875% 01/15/2029 | 0.074589 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8%  01/15/32 | 0.063078 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/8% 07/15/2027 | 0.058474 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 02/15/2042 | 0.053909 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.125% 01/15/2033 | 0.048591 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-5/8% 04/15/28 | 0.046787 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.375 07/15/33 | 0.044802 | ✓ |
| U.S. Treasury Inflation-Linked Notes | 0.040233 | ✓ |
| U.S. Treasury Notes | 0.038109 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/2% 01/15/2028 | 0.037370 | ✓ |
| U.S. Treasury Inflation-Protected Indexed Notes | 0.026549 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 02/15/2045 | 0.025956 | ✓ |
| U.S. Treasury Inflation-Protected Notes 2.125%, Due 02/15/2054 | 0.020454 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-5/8% 02/15/2043 | 0.018096 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8%  02/15/2052 | 0.014466 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 1% 02/15/48 | 0.012076 | ✓ |
| MFS Institutional Money Market Portfolio, Class A | 0.009865 |  |
| U.S. Treasury Notes 0.125%, Due 1/15/2030 | 0.007661 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-5/8% 07/15/2032 | 0.007224 | ✓ |
| Government National Mortgage Association | 0.004522 |  |
| Palmer Square Loan Funding Ltd., Series 2025-2A, Class A2 | 0.003711 |  |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 07/15/2028 | 0.003354 | ✓ |
| Palmer Square Loan Funding Ltd., Series 2025-1A, Class A2 | 0.002798 |  |
| Fannie Mae REMICS | 0.002647 |  |
| SHACKLETON CLO LTD SHACK 2019 14A BRR 144A | 0.002601 |  |
| Freddie Mac REMICS | 0.002521 |  |
| Government National Mortgage Association | 0.002490 |  |
| PFS Financing Corp., Series 2025-A, Class A | 0.002265 |  |
| Barings CLO Ltd., Series 2021-3A, Class B1R | 0.001956 |  |
| Government National Mortgage Association | 0.001852 |  |
| Freddie Mac REMICS | 0.001736 |  |
| Toledo Hospital/The | 0.001613 |  |
| AREIT Trust, Series 2022-CRE6, Class AS | 0.001596 |  |
| Government National Mortgage Association | 0.001565 |  |
| GreatAmerica Leasing Receivables Funding LLC, Series 2025-1, Class A2 | 0.001508 |  |
| FNMA, Series 2023-54, Class FD | 0.001129 |  |
| Government National Mortgage Association | 0.001108 |  |
| PMTLT 2025-INV10 A36 | 0.001083 |  |
| Government National Mortgage Association | 0.000965 |  |
| PMTLT 2026-CNF1 A26 | 0.000936 |  |
| CONSFD 3.474 12/15/29 2019 | 0.000898 |  |
| Freddie Mac Multifamily Structured Pass Through Certificates | 0.000885 |  |
| ARI Fleet Lease Trust, Series 2025-A, Class A2 | 0.000867 |  |
| Government National Mortgage Association | 0.000849 |  |
| MSRM 2025-NQM3 VAR 05/25/2070 144A | 0.000836 |  |
| J.P. Morgan Mortgage Trust, Series 2026-NQM1, Class A1 | 0.000823 |  |
| Freddie Mac Multifamily Structured Pass Through Certificates | 0.000822 |  |

## VANGUARD TOTAL INFLATION-PROTECTED SECURITIES ETF — top positions

| Security | Weight | Shared |
|----------|--------|--------|
| U.S. Treasury Notes | 0.041487 |  |
| U.S. Treasury Inflation-Protected Indexed Notes | 0.040861 |  |
| U.S. Treasury Inflation-Protected Indexed Notes | 0.038443 | ✓ |
| U.S. Treasury Inflation-Protected Notes 1.75%, Due 01/15/2034 | 0.036690 | ✓ |
| U.S. Treasury Inflation-Linked Notes | 0.034725 | ✓ |
| U.S. Treasury Notes | 0.034509 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.125% 01/15/2033 | 0.034297 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.375 07/15/33 | 0.034037 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-5/8% 07/15/2032 | 0.033927 | ✓ |
| U.S. Treasury Inflation-Protected Indexed Notes | 0.033470 |  |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 2.375% 10/15/2028 | 0.032337 |  |
| U.S. Treasury Notes | 0.032327 |  |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8%  01/15/32 | 0.031904 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-5/8% 10/15/27 | 0.030558 |  |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.250 04/15/2028 | 0.030445 |  |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 04/15/2027 | 0.030403 |  |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 07/15/2031 | 0.029781 |  |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 01/15/2031 | 0.029407 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES .125 07/15/2030 | 0.028966 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/2% 01/15/2028 | 0.027537 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/8% 07/15/2027 | 0.027214 | ✓ |
| U.S. Treasury Notes 0.125%, Due 1/15/2030 | 0.026446 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 07/15/2028 | 0.023992 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES .25%  07/15/29 | 0.023872 |  |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES .875% 01/15/2029 | 0.020316 | ✓ |
| U.S. Treasury Inflation-Indexed Notes | 0.014448 |  |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-7/8% 04/15/29 | 0.013940 |  |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-3/8% 02/15/2044 | 0.013339 |  |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 02/15/2045 | 0.012837 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-5/8% 04/15/28 | 0.012133 | ✓ |
| U.S. Treasury Inflation-Protected Indexed Bonds | 0.011336 |  |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-3/4% 01/15/28 | 0.011288 |  |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 02/15/2042 | 0.011190 | ✓ |
| U.S. Treasury Inflation-Protected Notes 2.125%, Due 02/15/2054 | 0.011030 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 2-1/2% 01/15/29 | 0.010765 |  |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.50% 2/15/2053 | 0.009402 |  |
| U.S. Treasury Inflation-Protected Indexed Bonds | 0.008958 |  |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-5/8% 02/15/2043 | 0.008631 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-7/8% 02/15/2047 | 0.007940 |  |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8%  02/15/2052 | 0.007023 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 1% 02/15/46 | 0.006735 |  |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 0.25% 02/15/2050 | 0.006487 |  |
| U.S. Treasury Inflation-Protected Indexed Bonds | 0.005984 |  |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 2 1/8% 02/15/40 | 0.005981 |  |
| UNITED STATES TREASURY INFLATION INDEXED BONDS I/L 2.375% 02-15-56 | 0.005853 |  |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 1% 02/15/48 | 0.005773 | ✓ |
| U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-3/8% 04/15/32 | 0.005321 |  |
| U.S. Treasury Inflation Linked Bonds | 0.005227 |  |
| Vanguard Market Liquidity Fund | 0.000425 |  |


## Sources

- N-PORT (fund A) — accession `0001410368-26-032759` (as of 2026-01-31)
  <https://www.sec.gov/Archives/edgar/data/63075/000141036826032759/0001410368-26-032759-index.htm>
- N-PORT (fund B) — accession `0000836906-26-000265` (as of 2026-03-31)
  <https://www.sec.gov/Archives/edgar/data/836906/000083690626000265/0000836906-26-000265-index.htm>

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