{
  "page": "compare",
  "query": {
    "a": "PRXAX",
    "b": "FSMOX"
  },
  "retrieved_at": "2026-07-07T19:14:04+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": "T. Rowe Price GNMA Fund",
    "ticker": "PRXAX",
    "slug": "PRXAX",
    "series_id": "S000002131",
    "html_url": "https://fundwatcher.app/funds/PRXAX/"
  },
  "fund_b": {
    "name": "Fidelity SAI Investment Grade Securitized Fund",
    "ticker": "FSMOX",
    "slug": "FSMOX",
    "series_id": "S000080417",
    "html_url": "https://fundwatcher.app/funds/FSMOX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.1023047946268427222133482837",
    "coverage_b_by_a": "0.1023047946268427222133482837",
    "shared_count": 32,
    "as_of": {
      "a": "2026-02-28",
      "b": "2026-02-28"
    },
    "a_top": [
      {
        "name": "G2 MA7254",
        "value": "19061241.12",
        "weight": "0.04599054",
        "shared": false
      },
      {
        "name": "G2 MA7767",
        "value": "15066184.57",
        "weight": "0.03635135",
        "shared": true
      },
      {
        "name": "GNII II 5.5% 03/01/2056 #TBA",
        "value": "15048127.60",
        "weight": "0.03630779",
        "shared": true
      },
      {
        "name": "T Rowe Price Government Reserve Investment Fund",
        "value": "13536585.42",
        "weight": "0.03266077",
        "shared": false
      },
      {
        "name": "G2 MA7826",
        "value": "12649077.65",
        "weight": "0.03051941",
        "shared": false
      },
      {
        "name": "G2SF 5 3/25",
        "value": "11834985.05",
        "weight": "0.02855519",
        "shared": true
      },
      {
        "name": "G2 MA7135",
        "value": "11513826.78",
        "weight": "0.02778030",
        "shared": false
      },
      {
        "name": "G2 MA6819",
        "value": "10985391.15",
        "weight": "0.02650531",
        "shared": false
      },
      {
        "name": "GINNIE MAE II POOL",
        "value": "7771712.35",
        "weight": "0.01875141",
        "shared": false
      },
      {
        "name": "G2 MA7650",
        "value": "7678971.59",
        "weight": "0.01852765",
        "shared": false
      },
      {
        "name": "G2 MA3662",
        "value": "6139799.90",
        "weight": "0.01481397",
        "shared": false
      },
      {
        "name": "GINNIE MAE II POOL",
        "value": "6094464.09",
        "weight": "0.01470459",
        "shared": false
      },
      {
        "name": "GINNIE MAE II POOL",
        "value": "5885606.93",
        "weight": "0.01420066",
        "shared": false
      },
      {
        "name": "FNCL 5.5 3/25",
        "value": "5186373.70",
        "weight": "0.01251357",
        "shared": true
      },
      {
        "name": "G2 MA8427",
        "value": "5143633.78",
        "weight": "0.01241044",
        "shared": false
      },
      {
        "name": "GNMA II, Single-family, 30 Year",
        "value": "5127905.72",
        "weight": "0.01237250",
        "shared": false
      },
      {
        "name": "FNCL 5 3/24",
        "value": "5067601.60",
        "weight": "0.01222700",
        "shared": true
      },
      {
        "name": "G2 MA9422",
        "value": "5050411.61",
        "weight": "0.01218552",
        "shared": false
      },
      {
        "name": "G2 MA8799",
        "value": "4315252.17",
        "weight": "0.01041174",
        "shared": false
      },
      {
        "name": "FNMA POOL CB7333 FN 10/53 FIXED 5.5",
        "value": "4198386.50",
        "weight": "0.01012977",
        "shared": false
      },
      {
        "name": "GINNIE MAE I POOL",
        "value": "4092151.53",
        "weight": "0.00987345",
        "shared": false
      },
      {
        "name": "Government National Mortgage Association",
        "value": "4001053.00",
        "weight": "0.00965365",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "3798798.90",
        "weight": "0.00916566",
        "shared": true
      },
      {
        "name": "Ginnie Mae",
        "value": "3764127.60",
        "weight": "0.00908200",
        "shared": true
      },
      {
        "name": "Government National Mortgage Association, TBA",
        "value": "3755058.78",
        "weight": "0.00906012",
        "shared": true
      },
      {
        "name": "G2 MA2679",
        "value": "3622129.68",
        "weight": "0.00873939",
        "shared": false
      },
      {
        "name": "G2 MA3174",
        "value": "3453247.15",
        "weight": "0.00833192",
        "shared": false
      },
      {
        "name": "FNMA POOL CC0603 FN 06/55 FIXED 6.5",
        "value": "3300396.28",
        "weight": "0.00796312",
        "shared": false
      },
      {
        "name": "FNMA UMBS, 30 Year",
        "value": "3194101.32",
        "weight": "0.00770666",
        "shared": false
      },
      {
        "name": "FNMA POOL CC1042 FN 09/55 FIXED 6",
        "value": "3031093.10",
        "weight": "0.00731335",
        "shared": false
      },
      {
        "name": "G2 MA7935",
        "value": "2991239.25",
        "weight": "0.00721720",
        "shared": false
      },
      {
        "name": "G2 MA7310",
        "value": "2891686.43",
        "weight": "0.00697700",
        "shared": false
      },
      {
        "name": "GNMA TBA",
        "value": "2879663.39",
        "weight": "0.00694799",
        "shared": true
      },
      {
        "name": "GNMA II POOL MA8430 G2 11/52 FIXED 6",
        "value": "2840155.86",
        "weight": "0.00685266",
        "shared": false
      },
      {
        "name": "FNMA POOL CB9219 FN 09/54 FIXED 6",
        "value": "2746360.49",
        "weight": "0.00662636",
        "shared": false
      },
      {
        "name": "G2 MA8267",
        "value": "2661213.97",
        "weight": "0.00642092",
        "shared": false
      },
      {
        "name": "GINNIE MAE II POOL",
        "value": "2648512.20",
        "weight": "0.00639027",
        "shared": false
      },
      {
        "name": "GOVERNMENT NATIONAL MORTGAGE ASSOCIATION",
        "value": "2581385.01",
        "weight": "0.00622831",
        "shared": false
      },
      {
        "name": "G2 MA8346",
        "value": "2556513.35",
        "weight": "0.00616830",
        "shared": false
      },
      {
        "name": "G2 MA0699",
        "value": "2458906.20",
        "weight": "0.00593279",
        "shared": false
      },
      {
        "name": "GNMA POOL AE7017 GN 06/43 FIXED 3.5",
        "value": "2456051.98",
        "weight": "0.00592591",
        "shared": false
      },
      {
        "name": "OBX Trust",
        "value": "2402890.54",
        "weight": "0.00579764",
        "shared": false
      },
      {
        "name": "GNMA POOL AB9112 GN 10/42 FIXED 3.5",
        "value": "2336878.40",
        "weight": "0.00563837",
        "shared": false
      },
      {
        "name": "GNMA II POOL MA4655 G2 08/47 FIXED 5",
        "value": "2321596.52",
        "weight": "0.00560150",
        "shared": false
      },
      {
        "name": "Sequoia Mortgage Trust, Series 2024-HYB1, Class A1A",
        "value": "2298421.47",
        "weight": "0.00554558",
        "shared": false
      },
      {
        "name": "GN 783289",
        "value": "2255076.85",
        "weight": "0.00544100",
        "shared": false
      },
      {
        "name": "FREDDIE MAC STRIPS",
        "value": "2254635.31",
        "weight": "0.00543993",
        "shared": false
      },
      {
        "name": "Government National Mortgage Association",
        "value": "2219078.88",
        "weight": "0.00535414",
        "shared": false
      },
      {
        "name": "G2 MA8149",
        "value": "2204791.19",
        "weight": "0.00531967",
        "shared": true
      },
      {
        "name": "GOVERNMENT NATIONAL MORTGAGE ASSOCIATION GNR 2020-173 MI",
        "value": "2200061.38",
        "weight": "0.00530826",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "Government National Mortgage Association, TBA",
        "value": "90856414.87",
        "weight": "0.05584781",
        "shared": false
      },
      {
        "name": "GNII II 5.5% 03/01/2056 #TBA",
        "value": "79763977.13",
        "weight": "0.04902948",
        "shared": true
      },
      {
        "name": "FNCL 6 3/24",
        "value": "61262452.90",
        "weight": "0.03765693",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "60228234.17",
        "weight": "0.03702121",
        "shared": true
      },
      {
        "name": "G2SF 5.5 4/25",
        "value": "56535509.55",
        "weight": "0.03475136",
        "shared": false
      },
      {
        "name": "Fannie Mae or Freddie Mac",
        "value": "39186538.58",
        "weight": "0.02408726",
        "shared": false
      },
      {
        "name": "G2SF 6 4/25",
        "value": "33850132.36",
        "weight": "0.02080707",
        "shared": false
      },
      {
        "name": "FNCL 2 4/26",
        "value": "26627986.73",
        "weight": "0.01636775",
        "shared": false
      },
      {
        "name": "GNMA TBA",
        "value": "26046169.43",
        "weight": "0.01601011",
        "shared": true
      },
      {
        "name": "Government National Mortgage Association, TBA",
        "value": "25562909.80",
        "weight": "0.01571306",
        "shared": true
      },
      {
        "name": "FNCL 5.5 3/25",
        "value": "24386251.20",
        "weight": "0.01498979",
        "shared": true
      },
      {
        "name": "FNCI 5 4/21",
        "value": "22549691.69",
        "weight": "0.01386089",
        "shared": false
      },
      {
        "name": "FNCL 6 4/26",
        "value": "17025376.66",
        "weight": "0.01046519",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "16615625.60",
        "weight": "0.01021333",
        "shared": false
      },
      {
        "name": "GNII II 6.5% 03/01/2056 #TBA",
        "value": "14549451.00",
        "weight": "0.00894329",
        "shared": false
      },
      {
        "name": "FNCL 5 3/24",
        "value": "14540589.12",
        "weight": "0.00893784",
        "shared": true
      },
      {
        "name": "FNMA 30YR 3.5% 01/01/2050#FS3728",
        "value": "14202665.10",
        "weight": "0.00873012",
        "shared": false
      },
      {
        "name": "WELLS FARGO COMMERCIAL MORTGAGE TRUST 2021-FCMT A TSFR1M+131.448 12/31/2049 144A",
        "value": "13450792.29",
        "weight": "0.00826796",
        "shared": false
      },
      {
        "name": "G2SF 2 4/26",
        "value": "11627093.95",
        "weight": "0.00714697",
        "shared": false
      },
      {
        "name": "G2 MA6930",
        "value": "11253002.76",
        "weight": "0.00691702",
        "shared": false
      },
      {
        "name": "FNMA POOL CB8330 FN 04/54 FIXED 5.5",
        "value": "11067359.80",
        "weight": "0.00680291",
        "shared": false
      },
      {
        "name": "FNMA 30YR 2.5% 05/01/2051#CB0447",
        "value": "10968265.29",
        "weight": "0.00674200",
        "shared": false
      },
      {
        "name": "Fidelity Cash Central Fund",
        "value": "10938785.17",
        "weight": "0.00672387",
        "shared": false
      },
      {
        "name": "G2SF 2.5 4/24",
        "value": "10850593.83",
        "weight": "0.00666967",
        "shared": false
      },
      {
        "name": "FN FM7484",
        "value": "10166785.63",
        "weight": "0.00624934",
        "shared": false
      },
      {
        "name": "FNMA 30YR 5% 08/01/2052#CB4352",
        "value": "9713524.55",
        "weight": "0.00597073",
        "shared": false
      },
      {
        "name": "G2 MA7988",
        "value": "9693317.79",
        "weight": "0.00595831",
        "shared": true
      },
      {
        "name": "CGCMT 2016-C1 A4",
        "value": "8582874.82",
        "weight": "0.00527574",
        "shared": false
      },
      {
        "name": "FEDERAL HOME LN MTG MLT CTF GT 3% 05/25/2048",
        "value": "8074980.30",
        "weight": "0.00496355",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "7904009.41",
        "weight": "0.00485845",
        "shared": false
      },
      {
        "name": "Ginnie Mae",
        "value": "7903160.80",
        "weight": "0.00485793",
        "shared": true
      },
      {
        "name": "G2SF 5 3/25",
        "value": "7902685.35",
        "weight": "0.00485764",
        "shared": true
      },
      {
        "name": "G2SF 4.5 4/26",
        "value": "7893473.60",
        "weight": "0.00485198",
        "shared": false
      },
      {
        "name": "G2SF 5 4/26",
        "value": "7891918.65",
        "weight": "0.00485102",
        "shared": false
      },
      {
        "name": "Freddie Mac Pool",
        "value": "7732973.55",
        "weight": "0.00475332",
        "shared": false
      },
      {
        "name": "FEDERAL NAT MTG ASN GTD REM PA SOFR30A+155 11/25/2053",
        "value": "7292380.65",
        "weight": "0.00448250",
        "shared": false
      },
      {
        "name": "FEDERAL NAT MTG ASN GTD REM PA 3% 07/25/2043",
        "value": "6867459.78",
        "weight": "0.00422130",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Securities",
        "value": "6729269.24",
        "weight": "0.00413636",
        "shared": false
      },
      {
        "name": "G2 MA7051",
        "value": "6256398.76",
        "weight": "0.00384570",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "6229617.03",
        "weight": "0.00382923",
        "shared": true
      },
      {
        "name": "FNCL 4.5 4/26",
        "value": "6224694.84",
        "weight": "0.00382621",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "5798062.50",
        "weight": "0.00356396",
        "shared": false
      },
      {
        "name": "FHLG 30YR 2.5% 03/01/2051#RA4749",
        "value": "5790582.20",
        "weight": "0.00355937",
        "shared": false
      },
      {
        "name": "PRPM LLC, Series 2024-RPL1, Class A1",
        "value": "5735398.06",
        "weight": "0.00352545",
        "shared": false
      },
      {
        "name": "FNMA UMBS, 30 Year",
        "value": "5683608.88",
        "weight": "0.00349361",
        "shared": false
      },
      {
        "name": "BX TRUST",
        "value": "5580695.74",
        "weight": "0.00343035",
        "shared": false
      },
      {
        "name": "FHLM 30YR 5.5% 05/01/2053#RA9058",
        "value": "5577232.54",
        "weight": "0.00342822",
        "shared": false
      },
      {
        "name": "FNMA GTD MTG PASS THRU CTF 4.62% 04/25/2030",
        "value": "5246207.31",
        "weight": "0.00322475",
        "shared": false
      },
      {
        "name": "G2 MA8149",
        "value": "5201623.65",
        "weight": "0.00319734",
        "shared": true
      },
      {
        "name": "FEDERAL HOME LN MTG MLT CTF GT 3% 02/25/2048",
        "value": "5023137.15",
        "weight": "0.00308763",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001099263-26-004389",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/779785/000109926326004389/0001099263-26-004389-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000035402-26-002611",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/35315/000003540226002611/0000035402-26-002611-index.htm"
    }
  ]
}