{ "page": "compare", "query": { "a": "RBIL", "b": "FSTZX" }, "retrieved_at": "2026-07-07T18:14:07+00:00", "disclaimer": "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.", "attribution": "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.", "terms": { "notice": "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.", "url": "https://fundwatcher.app/terms/" }, "fund_a": { "name": "F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF", "ticker": "RBIL", "slug": "RBIL", "series_id": "S000090461", "html_url": "https://fundwatcher.app/funds/RBIL/" }, "fund_b": { "name": "Fidelity Series 0-5 Year Inflation-Protected Bond Index Fund", "ticker": "FSTZX", "slug": "FSTZX", "series_id": "S000072688", "html_url": "https://fundwatcher.app/funds/FSTZX/" }, "overlap": { "coverage_a_by_b": "0.1675006116662853765421813511", "coverage_b_by_a": "0.1675006116662853765421813510", "shared_count": 5, "as_of": { "a": "2026-02-28", "b": "2026-03-31" }, "a_top": [ { "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 10/15/2026", "value": "11278453.17", "weight": "0.28007608", "shared": true }, { "name": "U.S. Treasury Notes", "value": "10063074.65", "weight": "0.24989478", "shared": true }, { "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 07/15/2026", "value": "9117143.53", "weight": "0.22640461", "shared": true }, { "name": "U.S. Treasury Inflation-Protected Security 0.375%, due 01/15/27", "value": "6890166.40", "weight": "0.17110244", "shared": true }, { "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 2-3/8% 01/15/27", "value": "2912523.83", "weight": "0.07232625", "shared": true }, { "name": "U.S. Bank Money Market Deposit Account", "value": "7886.27", "weight": "0.00019584", "shared": false } ], "b_top": [ { "name": "U.S. Treasury Notes", "value": "530029227.12", "weight": "0.05464856", "shared": false }, { "name": "U.S. Treasury Inflation-Linked Notes", "value": "512805042.52", "weight": "0.05287267", "shared": false }, { "name": "U.S. Treasury Inflation-Protected Indexed Notes", "value": "493243271.69", "weight": "0.05085575", "shared": false }, { "name": "U.S. Treasury Notes", "value": "490971906.75", "weight": "0.05062157", "shared": false }, { "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.250 04/15/2028", "value": "485479171.55", "weight": "0.05005524", "shared": false }, { "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 2.375% 10/15/2028", "value": "479180468.53", "weight": "0.04940581", "shared": false }, { "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .125 07/15/2030", "value": "472850048.87", "weight": "0.04875311", "shared": false }, { "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 01/15/2031", "value": "455518087.53", "weight": "0.04696611", "shared": false }, { "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 04/15/2027", "value": "454725504.32", "weight": "0.04688439", "shared": false }, { "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-5/8% 10/15/27", "value": "441857930.71", "weight": "0.04555768", "shared": false }, { "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 10/15/2026", "value": "430348237.98", "weight": "0.04437097", "shared": true }, { "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/2% 01/15/2028", "value": "423520378.69", "weight": "0.04366699", "shared": false }, { "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/8% 07/15/2027", "value": "422963909.83", "weight": "0.04360961", "shared": false }, { "name": "U.S. Treasury Notes 0.125%, Due 1/15/2030", "value": "408802239.76", "weight": "0.04214948", "shared": false }, { "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .25% 07/15/29", "value": "368347990.33", "weight": "0.03797845", "shared": false }, { "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 07/15/2028", "value": "349917521.59", "weight": "0.03607818", "shared": false }, { "name": "U.S. Treasury Inflation-Protected Security 0.375%, due 01/15/27", "value": "345342281.44", "weight": "0.03560645", "shared": true }, { "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 07/15/2026", "value": "323637800.16", "weight": "0.03336861", "shared": true }, { "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .875% 01/15/2029", "value": "314978217.37", "weight": "0.03247577", "shared": false }, { "name": "U.S. Treasury Notes", "value": "287054110.59", "weight": "0.02959666", "shared": true }, { "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-7/8% 04/15/29", "value": "258517173.25", "weight": "0.02665436", "shared": false }, { "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 2-3/8% 01/15/27", "value": "238183971.19", "weight": "0.02455791", "shared": true }, { "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-5/8% 04/15/28", "value": "193518811.18", "weight": "0.01995272", "shared": false }, { "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-3/4% 01/15/28", "value": "186957960.44", "weight": "0.01927627", "shared": false }, { "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 2-1/2% 01/15/29", "value": "170846876.65", "weight": "0.01761513", "shared": false }, { "name": "Fidelity Cash Central Fund", "value": "159270330.94", "weight": "0.01642154", "shared": false } ] }, "error": null, "sources": [ { "label": "N-PORT (fund A)", "accession_no": "0001193125-26-185875", "as_of": "2026-02-28", "edgar_url": "https://www.sec.gov/Archives/edgar/data/831114/000119312526185875/0001193125-26-185875-index.htm" }, { "label": "N-PORT (fund B)", "accession_no": "0000035402-26-003404", "as_of": "2026-03-31", "edgar_url": "https://www.sec.gov/Archives/edgar/data/35315/000003540226003404/0000035402-26-003404-index.htm" } ] }