# Portfolio overlap — VIPIX vs S000036933 Comparing **VANGUARD INFLATION-PROTECTED SECURITIES FUND** (2026-03-31) and **Fidelity Inflation-Protected Bond Index Central Fund** (2026-03-31). - Shared positions: 31 - VANGUARD INFLATION-PROTECTED SECURITIES FUND covered by Fidelity Inflation-Protected Bond Index Central Fund: 0.7830926172587785595259530695 - Fidelity Inflation-Protected Bond Index Central Fund covered by VANGUARD INFLATION-PROTECTED SECURITIES FUND: 0.7830926172587785595259530693 ## VANGUARD INFLATION-PROTECTED SECURITIES FUND — top positions | Security | Weight | Shared | |----------|--------|--------| | U.S. Treasury Inflation-Protected Indexed Notes | 0.039405 | ✓ | | U.S. Treasury Inflation-Protected Indexed Notes | 0.037060 | ✓ | | U.S. Treasury Inflation-Protected Notes 1.75%, Due 01/15/2034 | 0.035358 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.375 07/15/33 | 0.033040 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.125% 01/15/2033 | 0.032960 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-5/8% 07/15/2032 | 0.032876 | ✓ | | U.S. Treasury Notes | 0.032455 | ✓ | | U.S. Treasury Notes | 0.032429 | ✓ | | U.S. Treasury Inflation-Protected Indexed Notes | 0.031804 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 2.375% 10/15/2028 | 0.031276 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 07/15/2028 | 0.031158 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 01/15/32 | 0.030920 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-5/8% 10/15/27 | 0.029471 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.250 04/15/2028 | 0.029399 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 04/15/2027 | 0.028779 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 07/15/2031 | 0.028286 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 01/15/2031 | 0.027934 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES .125 07/15/2030 | 0.027111 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/2% 01/15/2028 | 0.026014 | ✓ | | U.S. Treasury Notes 0.125%, Due 1/15/2030 | 0.025832 | ✓ | | U.S. Treasury Notes | 0.022695 | ✓ | | U.S. Treasury Inflation-Linked Notes | 0.021807 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES .875% 01/15/2029 | 0.020190 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES .25% 07/15/29 | 0.019755 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/8% 07/15/2027 | 0.019474 | ✓ | | US TREASURY N/B | 0.019249 | | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 02/15/2045 | 0.016668 | | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-7/8% 04/15/29 | 0.013764 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-3/8% 02/15/2044 | 0.012858 | | | US TREASURY N/B | 0.012086 | | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-5/8% 04/15/28 | 0.011681 | ✓ | | U.S. Treasury Inflation-Indexed Notes | 0.011358 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 2-1/2% 01/15/29 | 0.011091 | ✓ | | U.S. Treasury Inflation-Protected Indexed Bonds | 0.010998 | | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-3/4% 01/15/28 | 0.010977 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 02/15/2042 | 0.010657 | | | U.S. Treasury Inflation-Protected Notes 2.125%, Due 02/15/2054 | 0.010186 | | | Vanguard Market Liquidity Fund | 0.009589 | | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.50% 2/15/2053 | 0.009232 | | | U.S. Treasury Inflation-Protected Indexed Bonds | 0.009114 | | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 02/15/2052 | 0.007219 | | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1% 02/15/46 | 0.006424 | | | UNITED STATES TREASURY INFLATION INDEXED BONDS I/L 2.375% 02-15-56 | 0.006332 | | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-5/8% 02/15/2043 | 0.006192 | | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0.25% 02/15/2050 | 0.006162 | | | U.S. Treasury Inflation-Protected Indexed Bonds | 0.005802 | | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 2 1/8% 02/15/40 | 0.005779 | | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-7/8% 02/15/2047 | 0.005606 | | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1% 02/15/48 | 0.005513 | | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-3/8% 04/15/32 | 0.005165 | ✓ | ## Fidelity Inflation-Protected Bond Index Central Fund — top positions | Security | Weight | Shared | |----------|--------|--------| | U.S. Treasury Inflation-Protected Indexed Notes | 0.050202 | ✓ | | U.S. Treasury Notes | 0.048962 | ✓ | | U.S. Treasury Inflation-Protected Indexed Notes | 0.045675 | ✓ | | U.S. Treasury Notes | 0.042636 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.375 07/15/33 | 0.042213 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-5/8% 07/15/2032 | 0.041136 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 01/15/32 | 0.040873 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-5/8% 10/15/27 | 0.039563 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/8% 07/15/2027 | 0.039317 | ✓ | | U.S. Treasury Inflation-Protected Notes 1.75%, Due 01/15/2034 | 0.039266 | ✓ | | U.S. Treasury Inflation-Linked Notes | 0.038962 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 01/15/2031 | 0.038480 | ✓ | | U.S. Treasury Notes | 0.037896 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES .125 07/15/2030 | 0.037368 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.125% 01/15/2033 | 0.037289 | ✓ | | U.S. Treasury Inflation-Protected Indexed Notes | 0.036956 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 2.375% 10/15/2028 | 0.036570 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/2% 01/15/2028 | 0.036092 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 07/15/2028 | 0.033045 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 04/15/2027 | 0.030920 | ✓ | | U.S. Treasury Notes 0.125%, Due 1/15/2030 | 0.029249 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.250 04/15/2028 | 0.029030 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 07/15/2031 | 0.027687 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES .25% 07/15/29 | 0.026675 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES .875% 01/15/2029 | 0.025728 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 2-1/2% 01/15/29 | 0.017327 | ✓ | | U.S. Treasury Inflation-Indexed Notes | 0.015366 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-3/4% 01/15/28 | 0.011253 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-7/8% 04/15/29 | 0.010927 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-5/8% 04/15/28 | 0.007056 | ✓ | | U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-3/8% 04/15/32 | 0.006077 | ✓ | | Fidelity Cash Central Fund | 0.000200 | | ## Sources - N-PORT (fund A) — accession `0000794105-26-000184` (as of 2026-03-31) - N-PORT (fund B) — accession `0000035402-26-003372` (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 _