{
  "page": "compare",
  "query": {
    "a": "PFNIX",
    "b": "PMZIX"
  },
  "retrieved_at": "2026-07-07T19:23:45+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": "PIMCO Low Duration Income Fund",
    "ticker": "PFNIX",
    "slug": "PFNIX",
    "series_id": "S000009677",
    "html_url": "https://fundwatcher.app/funds/PFNIX/"
  },
  "fund_b": {
    "name": "PIMCO Mortgage Opportunities and Bond Fund",
    "ticker": "PMZIX",
    "slug": "PMZIX",
    "series_id": "S000038441",
    "html_url": "https://fundwatcher.app/funds/PMZIX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.2536325834470075700310558653",
    "coverage_b_by_a": "0.2536325834470075700310558652",
    "shared_count": 343,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "PIMCO PRV SHORT TERM FLT III MUTUAL FUND",
        "value": "3748888115.50",
        "weight": "0.12546785",
        "shared": true
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "1938636519.45",
        "weight": "0.06488232",
        "shared": true
      },
      {
        "name": "FNCL 6.5 6/24",
        "value": "1642879583.95",
        "weight": "0.05498392",
        "shared": true
      },
      {
        "name": "US ULTRA BOND CBT Sep25",
        "value": "1633009745.27",
        "weight": "0.05465360",
        "shared": true
      },
      {
        "name": "FNCL 6 6/24",
        "value": "1301602213.90",
        "weight": "0.04356204",
        "shared": true
      },
      {
        "name": "FNCL 6 7/25",
        "value": "859780790.70",
        "weight": "0.02877516",
        "shared": true
      },
      {
        "name": "FNCL 4 6/24",
        "value": "493444354.80",
        "weight": "0.01651460",
        "shared": true
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "465169902.14",
        "weight": "0.01556831",
        "shared": true
      },
      {
        "name": "FNCL 5 6/24",
        "value": "416354970.33",
        "weight": "0.01393457",
        "shared": true
      },
      {
        "name": "LETRA TESOURO NACIONAL BILLS 07/26 0.00000",
        "value": "387106365.65",
        "weight": "0.01295568",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "377175080.00",
        "weight": "0.01262330",
        "shared": true
      },
      {
        "name": "Government National Mortgage Association, TBA",
        "value": "329672261.69",
        "weight": "0.01103348",
        "shared": true
      },
      {
        "name": "Government National Mortgage Association, TBA",
        "value": "323008980.18",
        "weight": "0.01081047",
        "shared": true
      },
      {
        "name": "FNCL 2.5 4/26",
        "value": "320499786.08",
        "weight": "0.01072649",
        "shared": true
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "283651245.26",
        "weight": "0.00949324",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "244927698.03",
        "weight": "0.00819724",
        "shared": false
      },
      {
        "name": "CITIGROUP MORTGAGE LOAN TRUST CMLTI 2022 RP1 PT 144A",
        "value": "233826075.19",
        "weight": "0.00782569",
        "shared": false
      },
      {
        "name": "RPLDCI 6.581 05/30/49 144A",
        "value": "230398106.36",
        "weight": "0.00771097",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Notes",
        "value": "204320331.27",
        "weight": "0.00683820",
        "shared": false
      },
      {
        "name": "Government National Mortgage Association, TBA",
        "value": "190974038.29",
        "weight": "0.00639152",
        "shared": true
      },
      {
        "name": "FNCL 3 6/24",
        "value": "178981458.31",
        "weight": "0.00599015",
        "shared": false
      },
      {
        "name": "GS MORTGAGE BACKED SECURITIES GSMBS 2022 RPL4 PT 144A",
        "value": "178716684.16",
        "weight": "0.00598129",
        "shared": false
      },
      {
        "name": "LETRA TESOURO NACIONAL BILLS 10/26 0.00000",
        "value": "176664590.91",
        "weight": "0.00591261",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "152428904.33",
        "weight": "0.00510149",
        "shared": true
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "147186335.32",
        "weight": "0.00492603",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "142871750.00",
        "weight": "0.00478163",
        "shared": false
      },
      {
        "name": "FED HM LN PC POOL RA4240 FR 01/51 FIXED 2.5",
        "value": "139439036.55",
        "weight": "0.00466675",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "135532301.29",
        "weight": "0.00453600",
        "shared": false
      },
      {
        "name": "JP MORGAN MORTGAGE TRUST JPMMT 2025 CES3 PT 144A",
        "value": "125516557.07",
        "weight": "0.00420079",
        "shared": true
      },
      {
        "name": "TITULOS DE TESORERIA BONDS 01/35 11.75",
        "value": "122167427.59",
        "weight": "0.00408870",
        "shared": false
      },
      {
        "name": "GS MORTGAGE BACKED SECURITIES GSMBS 2022 RPL1 A5 144A",
        "value": "121224724.71",
        "weight": "0.00405715",
        "shared": false
      },
      {
        "name": "RFR USD SOFR/1.75000 06/15/22-30Y LCH",
        "value": "118385498.58",
        "weight": "0.00396213",
        "shared": false
      },
      {
        "name": "FINANCE OF AMERICA STRUCTURED SECURITIES TRUST SER",
        "value": "106953273.17",
        "weight": "0.00357951",
        "shared": false
      },
      {
        "name": "UPCT 2026 2P CERT",
        "value": "100148760.00",
        "weight": "0.00335178",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "95454349.65",
        "weight": "0.00319467",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.375 07/15/33",
        "value": "91937825.08",
        "weight": "0.00307698",
        "shared": false
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-5/8% 07/15/2032",
        "value": "90325458.49",
        "weight": "0.00302301",
        "shared": false
      },
      {
        "name": "FN MA5217",
        "value": "87369176.71",
        "weight": "0.00292407",
        "shared": true
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "85187178.61",
        "weight": "0.00285105",
        "shared": true
      },
      {
        "name": "SMB Private Education Loan Trust 2026-B",
        "value": "82699665.16",
        "weight": "0.00276779",
        "shared": false
      },
      {
        "name": "RFRF USD SF+26.161/1.70 8/01/23-29Y* CME",
        "value": "81937965.59",
        "weight": "0.00274230",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "81841828.13",
        "weight": "0.00273908",
        "shared": false
      },
      {
        "name": "FNCL 5 4/26",
        "value": "78134461.95",
        "weight": "0.00261501",
        "shared": true
      },
      {
        "name": "Eagle Funding LuxCo S.a.r.l.",
        "value": "76192050.00",
        "weight": "0.00255000",
        "shared": false
      },
      {
        "name": "PROJECT CASHMERE CLASS A1 144A",
        "value": "75273565.25",
        "weight": "0.00251926",
        "shared": false
      },
      {
        "name": "VALERIE ASSET LTD 09/50 1",
        "value": "73147010.68",
        "weight": "0.00244809",
        "shared": false
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 07/15/2031",
        "value": "71378421.81",
        "weight": "0.00238889",
        "shared": false
      },
      {
        "name": "RFRF USD SF+26.161/1.90 05/18/22-10Y LCH",
        "value": "70024190.28",
        "weight": "0.00234357",
        "shared": false
      },
      {
        "name": "FINANCE OF AMERICA STRUCTURED FASST 2025 S2 A1 144A",
        "value": "68888900.44",
        "weight": "0.00230557",
        "shared": false
      },
      {
        "name": "G2SF 5 5/26",
        "value": "68204181.60",
        "weight": "0.00228266",
        "shared": true
      }
    ],
    "b_top": [
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "2545425944.64",
        "weight": "0.08685341",
        "shared": true
      },
      {
        "name": "FNCL 3 5/26",
        "value": "852712202.89",
        "weight": "0.02909571",
        "shared": false
      },
      {
        "name": "Government National Mortgage Association, TBA",
        "value": "725235249.18",
        "weight": "0.02474602",
        "shared": true
      },
      {
        "name": "FNCL 6.5 6/24",
        "value": "552956562.73",
        "weight": "0.01886763",
        "shared": true
      },
      {
        "name": "FNCL 6 6/24",
        "value": "535406289.68",
        "weight": "0.01826879",
        "shared": true
      },
      {
        "name": "FNCL 4.5 4/26",
        "value": "509212383.10",
        "weight": "0.01737502",
        "shared": true
      },
      {
        "name": "FNCL 5 6/24",
        "value": "503956843.52",
        "weight": "0.01719570",
        "shared": true
      },
      {
        "name": "G2SF 5 5/26",
        "value": "432849436.56",
        "weight": "0.01476941",
        "shared": true
      },
      {
        "name": "Government National Mortgage Association, TBA",
        "value": "387294951.88",
        "weight": "0.01321503",
        "shared": true
      },
      {
        "name": "FNMA POOL BZ5550 FN 12/32 FIXED 4.3",
        "value": "374927177.52",
        "weight": "0.01279303",
        "shared": false
      },
      {
        "name": "FNCL 4 6/24",
        "value": "373850016.90",
        "weight": "0.01275627",
        "shared": true
      },
      {
        "name": "FNCL 5.5 4/26",
        "value": "365464358.97",
        "weight": "0.01247014",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "355639766.35",
        "weight": "0.01213492",
        "shared": true
      },
      {
        "name": "PIMCO PRV SHORT TERM FLT III MUTUAL FUND",
        "value": "349941979.69",
        "weight": "0.01194050",
        "shared": true
      },
      {
        "name": "FNCL 6 7/25",
        "value": "312370062.42",
        "weight": "0.01065849",
        "shared": true
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "281089728.37",
        "weight": "0.00959117",
        "shared": true
      },
      {
        "name": "GNMA II TBA 30 YR 3.5 JUMBOS",
        "value": "248690813.88",
        "weight": "0.00848567",
        "shared": true
      },
      {
        "name": "FNCL 5 4/26",
        "value": "248345977.62",
        "weight": "0.00847390",
        "shared": true
      },
      {
        "name": "G2 MB0088",
        "value": "234313021.87",
        "weight": "0.00799508",
        "shared": false
      },
      {
        "name": "GNMA II POOL MB0201 G2 02/55 FIXED 3.5",
        "value": "223431681.25",
        "weight": "0.00762379",
        "shared": false
      },
      {
        "name": "RFR USD SOFR/1.75000 06/15/22-10Y LCH",
        "value": "188581385.68",
        "weight": "0.00643465",
        "shared": false
      },
      {
        "name": "GNMA II POOL MB0481 G2 07/55 FIXED 3.5",
        "value": "174054899.39",
        "weight": "0.00593899",
        "shared": false
      },
      {
        "name": "FREDDIE MAC POOL UMBS P#SD7570 6.00000000",
        "value": "153878885.23",
        "weight": "0.00525056",
        "shared": false
      },
      {
        "name": "FED HM LN PC POOL SB8379 FR 04/40 FIXED 5.5",
        "value": "138747004.16",
        "weight": "0.00473424",
        "shared": false
      },
      {
        "name": "FR SD8471",
        "value": "132049653.57",
        "weight": "0.00450571",
        "shared": false
      },
      {
        "name": "UPSTART PERSONAL CONSUMER TRUS UPCT 2026 1P CERT 144A",
        "value": "118720894.79",
        "weight": "0.00405092",
        "shared": false
      },
      {
        "name": "RPLDCI 6.581 05/30/49 144A",
        "value": "118141794.27",
        "weight": "0.00403116",
        "shared": true
      },
      {
        "name": "Freddie Mac Pool",
        "value": "114420355.15",
        "weight": "0.00390418",
        "shared": false
      },
      {
        "name": "JP MORGAN MORTGAGE TRUST JPMMT 2025 CES3 PT 144A",
        "value": "113613356.65",
        "weight": "0.00387664",
        "shared": true
      },
      {
        "name": "FNCL 3 4/26",
        "value": "113061913.97",
        "weight": "0.00385783",
        "shared": false
      },
      {
        "name": "GS MORTGAGE BACKED SECURITIES GSMBS 2025 RPL4 PT 144A",
        "value": "112213090.10",
        "weight": "0.00382886",
        "shared": false
      },
      {
        "name": "G2 MA8099",
        "value": "111318843.33",
        "weight": "0.00379835",
        "shared": false
      },
      {
        "name": "UMBS",
        "value": "107319751.33",
        "weight": "0.00366190",
        "shared": false
      },
      {
        "name": "CITIGROUP MORTGAGE LOAN TRUST CMLTI 2025 RP2 PT 144A",
        "value": "102655656.52",
        "weight": "0.00350275",
        "shared": false
      },
      {
        "name": "GOVERNMENT NATIONAL MORTGAGE A GNR 2023 H08 DF",
        "value": "102136299.82",
        "weight": "0.00348503",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "101550714.47",
        "weight": "0.00346505",
        "shared": true
      },
      {
        "name": "Government National Mortgage Association, TBA",
        "value": "99922922.46",
        "weight": "0.00340951",
        "shared": true
      },
      {
        "name": "GOVERNMENT NATIONAL MORTGAGE ASSOCIATION SER 2025-205 CL FH V/R 4.83551000",
        "value": "95874645.90",
        "weight": "0.00327137",
        "shared": false
      },
      {
        "name": "Fannie Mae REMICS",
        "value": "88752066.88",
        "weight": "0.00302834",
        "shared": false
      },
      {
        "name": "GS MORTGAGE-BACKED SECURITIES TRUST 2024-RPL7 SER 2024-RPL7 CL PT V/R REGD 144A P/P 3.70177100",
        "value": "88064563.98",
        "weight": "0.00300488",
        "shared": false
      },
      {
        "name": "GOVERNMENT NATIONAL MORTGAGE A GNR 2024 H11 FA",
        "value": "86769406.26",
        "weight": "0.00296069",
        "shared": false
      },
      {
        "name": "FREDDIE MAC FHR 5468 FC",
        "value": "86252223.93",
        "weight": "0.00294304",
        "shared": false
      },
      {
        "name": "JP MORGAN MORTGAGE TRUST JPMMT 2025 LTV2 PT 144A",
        "value": "86193526.79",
        "weight": "0.00294104",
        "shared": false
      },
      {
        "name": "GS MORTGAGE-BACKED SECURITIES TRUST 2024-RPL5 SER 2024-RPL5 CL PT V/R REGD 144A P/P 3.16079500",
        "value": "85243437.21",
        "weight": "0.00290862",
        "shared": false
      },
      {
        "name": "JP MORGAN MORTGAGE TRUST SERIES 2024 SER 2024-CES2 CL PT V/R REGD 144A P/P 0.00000000",
        "value": "84860842.17",
        "weight": "0.00289557",
        "shared": false
      },
      {
        "name": "FED HM LN PC POOL SL0565 FR 01/55 FIXED 6",
        "value": "83653237.79",
        "weight": "0.00285436",
        "shared": false
      },
      {
        "name": "FNMA POOL MA5746 FN 06/40 FIXED 5.5",
        "value": "81956970.56",
        "weight": "0.00279648",
        "shared": false
      },
      {
        "name": "GS MORTGAGE-BACKED SECURITIES TRUST 2024-RPL6 SER 2024-RPL6 CL PT V/R REGD 144A P/P 3.01124700",
        "value": "81475516.36",
        "weight": "0.00278006",
        "shared": false
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "79177642.79",
        "weight": "0.00270165",
        "shared": true
      },
      {
        "name": "GS MORTGAGE BACKED SECURITIES GSMBS 2025 SJ1 PT 144A",
        "value": "78407836.74",
        "weight": "0.00267538",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001099263-26-007247",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/810893/000109926326007247/0001099263-26-007247-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001099263-26-007235",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/810893/000109926326007235/0001099263-26-007235-index.htm"
    }
  ]
}