# Portfolio overlap — PRCIX vs FIBUX Comparing **T. Rowe Price New Income Fund, Inc.** (2026-02-28) and **Fidelity Flex U.S. Bond Index Fund** (2026-02-28). - Shared positions: 220 - T. Rowe Price New Income Fund, Inc. covered by Fidelity Flex U.S. Bond Index Fund: 0.1187362986680990983528875309 - Fidelity Flex U.S. Bond Index Fund covered by T. Rowe Price New Income Fund, Inc.: 0.1187362986680990983528875311 ## T. Rowe Price New Income Fund, Inc. — top positions | Security | Weight | Shared | |----------|--------|--------| | T Rowe Price Government Reserve Investment Fund | 0.063185 | | | US TREASURY N/B | 0.021259 | ✓ | | US TREASURY N/B | 0.018440 | ✓ | | US TREASURY N/B | 0.018165 | ✓ | | US TREASURY N/B | 0.016060 | ✓ | | US TREASURY N/B | 0.015045 | ✓ | | US TREASURY N/B | 0.015006 | ✓ | | US TREASURY N/B | 0.014684 | ✓ | | US TREASURY N/B | 0.014322 | | | US TREASURY N/B | 0.012793 | ✓ | | FNCL 6 3/24 | 0.012746 | ✓ | | US TREASURY N/B | 0.011731 | | | US TREASURY N/B | 0.011546 | ✓ | | US TREASURY N/B | 0.011121 | ✓ | | US TREASURY N/B | 0.009877 | | | US TREASURY N/B | 0.009533 | ✓ | | US TREASURY N/B | 0.008475 | ✓ | | US TREASURY N/B | 0.008196 | ✓ | | US TREASURY N/B | 0.008101 | ✓ | | Uniform Mortgage-Backed Security, TBA | 0.006992 | ✓ | | Uniform Mortgage-Backed Security, TBA | 0.006991 | ✓ | | US TREASURY N/B | 0.006550 | ✓ | | US TREASURY N/B | 0.006410 | ✓ | | G2SF 5 3/25 | 0.006400 | ✓ | | US TREASURY N/B | 0.006161 | ✓ | | FN MA4562 | 0.005854 | | | US TREASURY N/B | 0.005821 | ✓ | | US TREASURY N/B | 0.005536 | ✓ | | US TREASURY N/B | 0.005466 | ✓ | | US TREASURY N/B | 0.004746 | ✓ | | Uniform Mortgage-Backed Security, TBA | 0.004404 | ✓ | | NRG TERM B 1LN 04/16/2031 | 0.004157 | | | TREASURY RESERVE FUND - Collateral | 0.004013 | | | US TREASURY N/B | 0.003995 | ✓ | | Uniform Mortgage-Backed Security, TBA | 0.003683 | | | US TREASURY N/B | 0.003667 | ✓ | | US TREASURY N/B | 0.003659 | | | US TREASURY N/B | 0.003607 | ✓ | | Uniform Mortgage-Backed Security, TBA | 0.003580 | ✓ | | US TREASURY N/B | 0.003540 | ✓ | | FN MA4208 | 0.003443 | ✓ | | GNII II 5.5% 03/01/2056 #TBA | 0.003397 | ✓ | | FR SD8140 | 0.003061 | | | HILTON DOMESTIC OPERATIN | 0.002946 | | | CITSEC TL B 1L USD | 0.002919 | | | US TREASURY N/B | 0.002831 | ✓ | | US TREASURY N/B | 0.002809 | ✓ | | G2 MA7935 | 0.002792 | ✓ | | FREDDIE MAC POOL | 0.002655 | | | WELLS FARGO CO | 0.002551 | | ## Fidelity Flex U.S. Bond Index Fund — top positions | Security | Weight | Shared | |----------|--------|--------| | US TREASURY N/B | 0.011961 | | | Fidelity Cash Central Fund | 0.010147 | | | US TREASURY N/B | 0.010000 | | | US TREASURY N/B | 0.009197 | | | US TREASURY N/B | 0.008954 | ✓ | | US TREASURY N/B | 0.008527 | | | US TREASURY N/B | 0.008386 | | | US TREASURY N/B | 0.007334 | | | US TREASURY N/B | 0.007207 | ✓ | | US TREASURY N/B | 0.006755 | | | US TREASURY N/B | 0.006648 | | | US TREASURY N/B | 0.006446 | | | US TREASURY N/B | 0.006216 | | | US TREASURY N/B | 0.006145 | | | US TREASURY N/B | 0.006069 | | | US TREASURY N/B | 0.005936 | | | US TREASURY N/B | 0.005779 | | | US TREASURY N/B | 0.005660 | | | US TREASURY N/B | 0.005528 | | | US TREASURY N/B | 0.005519 | | | US TREASURY N/B | 0.004975 | | | US TREASURY N/B | 0.004969 | | | US TREASURY N/B | 0.004874 | | | US TREASURY N/B | 0.004847 | | | US TREASURY N/B | 0.004841 | | | US TREASURY N/B | 0.004798 | | | US TREASURY N/B | 0.004758 | | | US TREASURY N/B | 0.004677 | ✓ | | US TREASURY N/B | 0.004596 | | | US TREASURY N/B | 0.004498 | | | US TREASURY N/B | 0.004324 | | | US TREASURY N/B | 0.004317 | ✓ | | US TREASURY N/B | 0.004317 | ✓ | | US TREASURY N/B | 0.004180 | | | US TREASURY N/B | 0.004008 | | | US TREASURY N/B | 0.003974 | | | US TREASURY N/B | 0.003938 | | | US TREASURY N/B | 0.003861 | | | US TREASURY N/B | 0.003768 | | | US TREASURY N/B | 0.003642 | | | US TREASURY N/B | 0.003520 | ✓ | | US TREASURY N/B | 0.003485 | | | US TREASURY N/B | 0.003404 | | | US TREASURY N/B | 0.003355 | | | G2SF 5 3/25 | 0.003342 | ✓ | | US TREASURY N/B | 0.003233 | | | US TREASURY N/B | 0.003213 | ✓ | | US TREASURY N/B | 0.003097 | | | GNII II 5.5% 03/01/2056 #TBA | 0.003074 | ✓ | | US TREASURY N/B | 0.003038 | | ## Sources - N-PORT (fund A) — accession `0001099263-26-004380` (as of 2026-02-28) - N-PORT (fund B) — accession `0000035402-26-002575` (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 _