# Portfolio overlap — FSIGX vs FSMTX Comparing **Fidelity Series Investment Grade Bond Fund** (2026-02-28) and **Fidelity SAI Total Bond Fund** (2026-02-28). - Shared positions: 3055 - Fidelity Series Investment Grade Bond Fund covered by Fidelity SAI Total Bond Fund: 0.5702623275597856738501811785 - Fidelity SAI Total Bond Fund covered by Fidelity Series Investment Grade Bond Fund: 0.5702623275597856738501811788 ## Fidelity Series Investment Grade Bond Fund — top positions | Security | Weight | Shared | |----------|--------|--------| | Fidelity Cash Central Fund | 0.031044 | ✓ | | US TREASURY N/B | 0.029856 | | | US TREASURY N/B | 0.017286 | ✓ | | US TREASURY N/B | 0.017181 | ✓ | | US TREASURY N/B | 0.016668 | ✓ | | US TREASURY N/B | 0.016083 | ✓ | | US TREASURY N/B | 0.014438 | ✓ | | US TREASURY N/B | 0.013878 | | | US TREASURY N/B | 0.013624 | ✓ | | US TREASURY N/B | 0.013605 | | | US TREASURY N/B | 0.013202 | ✓ | | US TREASURY N/B | 0.012819 | ✓ | | Government National Mortgage Association, TBA | 0.012790 | ✓ | | US TREASURY N/B | 0.012222 | ✓ | | US TREASURY N/B | 0.012181 | ✓ | | US TREASURY N/B | 0.011773 | | | GNII II 5.5% 03/01/2056 #TBA | 0.011464 | ✓ | | US TREASURY N/B | 0.011358 | ✓ | | US TREASURY N/B | 0.011220 | ✓ | | US TREASURY N/B | 0.011051 | ✓ | | US TREASURY N/B | 0.010875 | ✓ | | FNCL 6 3/24 | 0.010439 | ✓ | | US TREASURY N/B | 0.009957 | ✓ | | US TREASURY N/B | 0.009708 | ✓ | | US TREASURY N/B | 0.009254 | | | US TREASURY N/B | 0.009052 | | | US TREASURY N/B | 0.008779 | | | G2SF 5.5 4/25 | 0.008677 | ✓ | | US TREASURY N/B | 0.008198 | ✓ | | US TREASURY N/B | 0.007978 | ✓ | | US TREASURY N/B | 0.007274 | ✓ | | US TREASURY N/B | 0.006707 | ✓ | | US TREASURY N/B | 0.006689 | | | US TREASURY N/B | 0.006662 | ✓ | | US TREASURY N/B | 0.006523 | ✓ | | Fannie Mae or Freddie Mac | 0.006108 | ✓ | | US TREASURY N/B | 0.005938 | ✓ | | US TREASURY N/B | 0.005873 | ✓ | | US TREASURY N/B | 0.005301 | ✓ | | US TREASURY N/B | 0.005153 | ✓ | | US TREASURY N/B | 0.005103 | ✓ | | US TREASURY N/B | 0.005036 | ✓ | | US TREASURY N/B | 0.004985 | ✓ | | Uniform Mortgage-Backed Security, TBA | 0.004865 | ✓ | | US TREASURY N/B | 0.004724 | ✓ | | US TREASURY N/B | 0.004575 | ✓ | | US TREASURY N/B | 0.004557 | ✓ | | G2SF 6 4/25 | 0.004362 | ✓ | | FNCL 5.5 3/25 | 0.004346 | ✓ | | GNMA TBA | 0.004326 | ✓ | ## Fidelity SAI Total Bond Fund — top positions | Security | Weight | Shared | |----------|--------|--------| | Fidelity Cash Central Fund | 0.029623 | ✓ | | US TREASURY N/B | 0.023187 | ✓ | | US TREASURY N/B | 0.022347 | ✓ | | US TREASURY N/B | 0.018421 | ✓ | | US TREASURY N/B | 0.017163 | ✓ | | US TREASURY N/B | 0.016434 | ✓ | | US TREASURY N/B | 0.015388 | ✓ | | US TREASURY N/B | 0.014305 | ✓ | | US TREASURY N/B | 0.013823 | | | US TREASURY N/B | 0.011481 | ✓ | | GNII II 5.5% 03/01/2056 #TBA | 0.011430 | ✓ | | US TREASURY N/B | 0.011233 | ✓ | | FNCL 6 3/24 | 0.010857 | ✓ | | US TREASURY N/B | 0.010382 | | | US TREASURY N/B | 0.010322 | ✓ | | US TREASURY N/B | 0.010018 | ✓ | | US TREASURY N/B | 0.009726 | ✓ | | US TREASURY N/B | 0.009469 | ✓ | | G2SF 5.5 4/25 | 0.008984 | ✓ | | US TREASURY N/B | 0.008852 | ✓ | | US TREASURY N/B | 0.008448 | ✓ | | US TREASURY N/B | 0.008272 | ✓ | | Government National Mortgage Association, TBA | 0.008243 | ✓ | | US TREASURY N/B | 0.008035 | ✓ | | US TREASURY N/B | 0.007840 | ✓ | | US TREASURY N/B | 0.007657 | ✓ | | US TREASURY N/B | 0.007591 | | | GNMA TBA | 0.007464 | ✓ | | US TREASURY N/B | 0.007119 | ✓ | | US TREASURY N/B | 0.006591 | ✓ | | US TREASURY N/B | 0.006501 | ✓ | | US TREASURY N/B | 0.006333 | ✓ | | US TREASURY N/B | 0.006328 | ✓ | | US TREASURY N/B | 0.006313 | ✓ | | US TREASURY N/B | 0.005985 | ✓ | | Fannie Mae or Freddie Mac | 0.005968 | ✓ | | US TREASURY N/B | 0.005920 | ✓ | | US TREASURY N/B | 0.005416 | ✓ | | BANK OF AMER CRP | 0.005002 | ✓ | | US TREASURY N/B | 0.004428 | | | Uniform Mortgage-Backed Security, TBA | 0.004197 | ✓ | | FNCL 6 4/26 | 0.004196 | ✓ | | US TREASURY N/B | 0.004186 | | | US TREASURY N/B | 0.004075 | ✓ | | US TREASURY N/B | 0.003899 | ✓ | | US TREASURY N/B | 0.003841 | ✓ | | FNCI 5 4/21 | 0.003610 | ✓ | | US TREASURY N/B | 0.003609 | | | G2SF 2 4/26 | 0.003590 | ✓ | | US TREASURY N/B | 0.003534 | ✓ | ## Sources - N-PORT (fund A) — accession `0000035402-26-002637` (as of 2026-02-28) - N-PORT (fund B) — accession `0000035402-26-002638` (as of 2026-02-28) --- _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 _