# Portfolio overlap — MIPRX vs FIPDX Comparing **MassMutual Inflation-Protected and Income Fund** (2026-03-31) and **Fidelity Inflation-Protected Bond Index Fund** (2026-03-31). - Shared positions: 41 - MassMutual Inflation-Protected and Income Fund covered by Fidelity Inflation-Protected Bond Index Fund: 0.2226961514007265871082913356 - Fidelity Inflation-Protected Bond Index Fund covered by MassMutual Inflation-Protected and Income Fund: 0.2226961514007265871082913355 ## MassMutual Inflation-Protected and Income Fund — top positions | Security | Weight | Shared | |----------|--------|--------| | COLT Mortgage Loan Trust, Series 2022-1, Class A1 | 0.024566 | | | ERAC USA Finance LLC | 0.019362 | | | Phillips 66 | 0.019353 | | | Sherwin-Williams Co/The | 0.019323 | | | Penske Truck Leasing Co. L.P. | 0.019306 | | | Entergy Corp | 0.019225 | | | Amcor Flexibles North America Inc | 0.014512 | | | Fidelity National Information Services Inc | 0.014510 | | | Enbridge US Inc | 0.014475 | | | Oak Street Investment Grade Net Lease Fund, Series 2021-1A, Class A1 | 0.014417 | | | Avis Budget Rental Car Funding AESOP LLC | 0.013637 | | | U.S. TREASURY INFLATION-PROTECTED SECURITIES .875% 01/15/2029 | 0.013618 | ✓ | | EART 2022-2A D | 0.013186 | | | GREATAMERICA LEASING RECEIVABL GALC 2024 1 A3 144A | 0.013148 | | | Verizon Master Trust | 0.013065 | | | CPS Auto Receivables Trust 2021-C | 0.012452 | | | SMB Private Education Loan Trust 2015-A | 0.012134 | | | WLAKE 2025-3A A2 144A 4.31% 04-17-28 | 0.011663 | | | U.S. Treasury Inflation-Linked Notes | 0.011096 | ✓ | | NAVSL 2021-A A 144A 0.84% 05-15-69 | 0.011058 | | | COMM Mortgage Trust, Series 2015-LC19, Class D | 0.010969 | | | SMB Asset-Backed Repackaging Trust 2024-R1 | 0.010691 | | | iShares Ultra Short Duration Bond Active ETF | 0.010590 | | | Octane Receivables Trust, Series 2022-2A, Class C | 0.010452 | | | American Credit Acceptance Receivables Trust, Series 2024-2, Class C | 0.010408 | | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-5/8% 07/15/2032 | 0.010231 | ✓ | | U.S. Treasury Inflation-Protected Notes 1.75%, Due 01/15/2034 | 0.010207 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.375 07/15/33 | 0.010145 | ✓ | | TRICOLOR AUTO SECURITIZATION TRUST TAST 2025-2A A | 0.009728 | | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.125% 01/15/2033 | 0.009680 | ✓ | | SoFi Consumer Loan Program Trust, Series 2025-1, Class A | 0.009345 | | | U.S. Treasury Inflation-Protected Indexed Notes | 0.009134 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 01/15/2031 | 0.009099 | ✓ | | U.S. Treasury Notes | 0.008993 | ✓ | | OAK STREET INVESTMENT GRADE NET LEASE FUND SERIES OAKIG 2020-1A A1 | 0.008505 | | | Regatta XXIII Funding Ltd. | 0.008231 | | | U.S. Treasury Inflation-Protected Indexed Notes | 0.008068 | ✓ | | U.S. Treasury Notes | 0.008057 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.250 04/15/2028 | 0.007904 | ✓ | | TAX 2024-1A A | 0.007813 | | | RCKT TRUST RCKTL 2025 2A A 144A | 0.007787 | | | Tricolor Auto Securitization Trust, Series 2025-1A, Class A | 0.007721 | | | U.S. Treasury Inflation-Protected Indexed Notes | 0.007624 | ✓ | | AOMT 2022-2 A1 | 0.007508 | | | FIXED INC CLEARING CORP.REPO | 0.007487 | | | Point Securitization Trust Series 2024-1, Class A1 | 0.007472 | | | STAR 2021-1 Trust | 0.007435 | | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 01/15/32 | 0.007323 | ✓ | | U.S. Treasury Notes | 0.007316 | ✓ | | Bell Telephone Co of Canada or Bell Canada/The | 0.007213 | | ## Fidelity Inflation-Protected Bond Index Fund — top positions | Security | Weight | Shared | |----------|--------|--------| | U.S. Treasury Inflation-Protected Indexed Notes | 0.040490 | ✓ | | U.S. Treasury Inflation-Protected Indexed Notes | 0.040075 | ✓ | | U.S. Treasury Notes | 0.039764 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.375 07/15/33 | 0.036575 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-5/8% 07/15/2032 | 0.035230 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 04/15/2027 | 0.034278 | | | U.S. Treasury Inflation-Protected Indexed Notes | 0.032981 | ✓ | | U.S. Treasury Inflation-Protected Notes 1.75%, Due 01/15/2034 | 0.032638 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 01/15/2031 | 0.032396 | ✓ | | U.S. Treasury Notes | 0.031104 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 2.375% 10/15/2028 | 0.031092 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.125% 01/15/2033 | 0.030964 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES .125 07/15/2030 | 0.030843 | | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 07/15/2031 | 0.029985 | ✓ | | U.S. Treasury Notes | 0.029584 | ✓ | | U.S. Treasury Notes 0.125%, Due 1/15/2030 | 0.028565 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.250 04/15/2028 | 0.028399 | ✓ | | U.S. Treasury Inflation-Linked Notes | 0.028146 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES .25% 07/15/29 | 0.027894 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/2% 01/15/2028 | 0.027760 | | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-5/8% 10/15/27 | 0.027648 | | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 01/15/32 | 0.026958 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 07/15/2028 | 0.024049 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/8% 07/15/2027 | 0.020856 | | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-5/8% 04/15/28 | 0.017717 | | | U.S. TREASURY INFLATION-PROTECTED SECURITIES .875% 01/15/2029 | 0.016719 | ✓ | | U.S. Treasury Inflation-Indexed Notes | 0.014777 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 2-1/2% 01/15/29 | 0.013932 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-3/8% 02/15/2044 | 0.013777 | ✓ | | U.S. Treasury Inflation-Protected Indexed Bonds | 0.013193 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-7/8% 04/15/29 | 0.012840 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 02/15/2045 | 0.012341 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.50% 2/15/2053 | 0.011301 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 02/15/2042 | 0.011301 | ✓ | | Fidelity Securities Lending Cash Central Fund | 0.010993 | | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-7/8% 02/15/2047 | 0.009590 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-5/8% 02/15/2043 | 0.009230 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-3/8% 04/15/32 | 0.009109 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0.25% 02/15/2050 | 0.007968 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-3/4% 01/15/28 | 0.007904 | | | U.S. Treasury Inflation-Protected Indexed Bonds | 0.007790 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 02/15/2052 | 0.006942 | ✓ | | U.S. Treasury Inflation-Protected Notes 2.125%, Due 02/15/2054 | 0.006882 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 2 1/8% 02/15/40 | 0.006532 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1% 02/15/48 | 0.006417 | ✓ | | UNITED STATES TREASURY INFLATION INDEXED BONDS I/L 2.375% 02-15-56 | 0.005754 | ✓ | | U.S. Treasury Inflation-Protected Indexed Bonds | 0.005529 | ✓ | | Fidelity Cash Central Fund | 0.005409 | | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1% 02/15/46 | 0.005347 | ✓ | | U.S. Treasury Inflation Linked Bonds | 0.002432 | ✓ | ## Sources - N-PORT (fund A) — accession `0001410368-26-053553` (as of 2026-03-31) - N-PORT (fund B) — accession `0000035402-26-003383` (as of 2026-03-31) --- _Informational only — not investment advice. FundWatcher presents publicly available data and makes no recommendation to buy or sell any security. Verify all figures against the source filing before relying on them._ _Data sourced from U.S. SEC EDGAR filings (Forms N-PORT, N-CEN, and prospectus Risk/Return summaries). FundWatcher is not affiliated with the SEC._ _Use of this data is subject to the FundWatcher Terms of Service. Information may be used only for personal, non-commercial research and may not be redistributed. See _