# Portfolio overlap — PBDIX vs PRCIX Comparing **T. Rowe Price QM U.S. Bond Index Fund** (2026-01-31) and **T. Rowe Price New Income Fund, Inc.** (2026-02-28). - Shared positions: 437 - T. Rowe Price QM U.S. Bond Index Fund covered by T. Rowe Price New Income Fund, Inc.: 0.2044273228275000109629021300 - T. Rowe Price New Income Fund, Inc. covered by T. Rowe Price QM U.S. Bond Index Fund: 0.2044273228275000109629021301 ## T. Rowe Price QM U.S. Bond Index Fund — top positions | Security | Weight | Shared | |----------|--------|--------| | T Rowe Price Government Reserve Investment Fund | 0.042419 | ✓ | | US TREASURY N/B | 0.025545 | | | US TREASURY N/B | 0.023505 | | | TREASURY RESERVE FUND - Collateral | 0.014273 | ✓ | | US TREASURY N/B | 0.012939 | | | US TREASURY N/B | 0.012613 | | | US TREASURY N/B | 0.012113 | ✓ | | US TREASURY N/B | 0.011530 | ✓ | | US TREASURY N/B | 0.011130 | | | US TREASURY N/B | 0.010211 | | | US TREASURY N/B | 0.010086 | ✓ | | US TREASURY N/B | 0.008721 | | | US TREASURY N/B | 0.008531 | | | US TREASURY N/B | 0.008125 | | | US TREASURY N/B | 0.007868 | | | US TREASURY N/B | 0.006935 | | | G2 MA7649 | 0.006905 | ✓ | | US TREASURY N/B | 0.006348 | | | US TREASURY N/B | 0.006296 | | | US TREASURY N/B | 0.006099 | ✓ | | US TREASURY N/B | 0.006030 | | | US TREASURY N/B | 0.005535 | ✓ | | US TREASURY N/B | 0.005519 | ✓ | | US TREASURY N/B | 0.005486 | ✓ | | US TREASURY N/B | 0.005426 | | | US TREASURY N/B | 0.005354 | | | US TREASURY N/B | 0.005289 | | | US TREASURY N/B | 0.005273 | ✓ | | US TREASURY N/B | 0.005104 | | | US TREASURY N/B | 0.005071 | ✓ | | Uniform Mortgage-Backed Security, TBA | 0.005015 | | | US TREASURY N/B | 0.004828 | | | US TREASURY N/B | 0.004781 | | | US TREASURY N/B | 0.004777 | | | FN MA4208 | 0.004776 | ✓ | | US TREASURY N/B | 0.004613 | | | US TREASURY N/B | 0.004563 | | | US TREASURY N/B | 0.004509 | | | FNMA POOL CB9219 FN 09/54 FIXED 6 | 0.004454 | | | US TREASURY N/B | 0.004430 | ✓ | | US TREASURY N/B | 0.004419 | | | FREDDIE MAC MULTIFAMILY STRUCTURED PASS THROUGH CERTIFICATES | 0.004145 | | | FN MA4325 | 0.004121 | | | FR SD8199 | 0.004002 | | | US TREASURY N/B | 0.003627 | | | US TREASURY N/B | 0.003524 | | | FR SD8212 | 0.003510 | ✓ | | US TREASURY N/B | 0.003489 | | | TBA GNMA 30 YR 5.50000000 | 0.003470 | | | US TREASURY N/B | 0.003351 | | ## 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 | | ## Sources - N-PORT (fund A) — accession `0001099263-26-003716` (as of 2026-01-31) - N-PORT (fund B) — accession `0001099263-26-004380` (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 _