{
  "page": "compare",
  "query": {
    "a": "PRXAX",
    "b": "CORB"
  },
  "retrieved_at": "2026-07-07T18:18:10+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": "AB Core Bond ETF",
    "ticker": "CORB",
    "slug": "CORB",
    "series_id": "S000093945",
    "html_url": "https://fundwatcher.app/funds/CORB/"
  },
  "overlap": {
    "coverage_a_by_b": "0.05414739849393606665211872513",
    "coverage_b_by_a": "0.05414739849393606665211872513",
    "shared_count": 10,
    "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": false
      },
      {
        "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": true
      },
      {
        "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": false
      },
      {
        "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": false
      },
      {
        "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": false
      },
      {
        "name": "GOVERNMENT NATIONAL MORTGAGE ASSOCIATION GNR 2020-173 MI",
        "value": "2200061.38",
        "weight": "0.00530826",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "U.S. Treasury Bills",
        "value": "114314189.99",
        "weight": "0.11270247",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "21029838.49",
        "weight": "0.02073334",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "17387040.30",
        "weight": "0.01714190",
        "shared": false
      },
      {
        "name": "Government National Mortgage Association, TBA",
        "value": "16896153.49",
        "weight": "0.01665793",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "16025144.92",
        "weight": "0.01579921",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "15603141.00",
        "weight": "0.01538315",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "13037073.28",
        "weight": "0.01285326",
        "shared": false
      },
      {
        "name": "G2SF 5 3/25",
        "value": "12604877.46",
        "weight": "0.01242716",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "12493074.12",
        "weight": "0.01231693",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "11713387.97",
        "weight": "0.01154824",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "10860825.00",
        "weight": "0.01070770",
        "shared": false
      },
      {
        "name": "FED HOME LN BANK",
        "value": "10738436.00",
        "weight": "0.01058703",
        "shared": false
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .25%  07/15/29",
        "value": "10354276.57",
        "weight": "0.01020829",
        "shared": false
      },
      {
        "name": "FNCL 5.5 3/25",
        "value": "10162093.30",
        "weight": "0.01001882",
        "shared": true
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "9563668.91",
        "weight": "0.00942883",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "8948427.43",
        "weight": "0.00882226",
        "shared": false
      },
      {
        "name": "JAPAN GOVT 30-YR",
        "value": "8759329.13",
        "weight": "0.00863583",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "8286587.34",
        "weight": "0.00816975",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "7926955.59",
        "weight": "0.00781519",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "7570576.56",
        "weight": "0.00746384",
        "shared": false
      },
      {
        "name": "Government National Mortgage Association, TBA",
        "value": "7492082.21",
        "weight": "0.00738645",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "7419840.89",
        "weight": "0.00731523",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "7378959.33",
        "weight": "0.00727492",
        "shared": false
      },
      {
        "name": "Ginnie Mae",
        "value": "7354719.97",
        "weight": "0.00725103",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "7084845.00",
        "weight": "0.00698496",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "7007152.88",
        "weight": "0.00690836",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "6764897.28",
        "weight": "0.00666952",
        "shared": false
      },
      {
        "name": "FN MA4492",
        "value": "6739957.51",
        "weight": "0.00664493",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "6534795.78",
        "weight": "0.00644266",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "6326393.59",
        "weight": "0.00623720",
        "shared": false
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .125 07/15/2030",
        "value": "5943111.62",
        "weight": "0.00585932",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "5743787.16",
        "weight": "0.00566281",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "5595150.44",
        "weight": "0.00551626",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "5592109.88",
        "weight": "0.00551327",
        "shared": false
      },
      {
        "name": "GNII II 5.5% 03/01/2056 #TBA",
        "value": "5100391.29",
        "weight": "0.00502848",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "5037600.09",
        "weight": "0.00496657",
        "shared": false
      },
      {
        "name": "FNCL 6 3/24",
        "value": "5011744.59",
        "weight": "0.00494108",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "4806584.92",
        "weight": "0.00473882",
        "shared": false
      },
      {
        "name": "UMBS",
        "value": "4633638.99",
        "weight": "0.00456831",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "4571803.88",
        "weight": "0.00450735",
        "shared": false
      },
      {
        "name": "UMBS",
        "value": "4511996.37",
        "weight": "0.00444838",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "4328736.95",
        "weight": "0.00426771",
        "shared": false
      },
      {
        "name": "UMBS",
        "value": "4288349.49",
        "weight": "0.00422789",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "4238451.56",
        "weight": "0.00417869",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "3858149.81",
        "weight": "0.00380375",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "3835512.00",
        "weight": "0.00378144",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "3829897.91",
        "weight": "0.00377590",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "3784078.13",
        "weight": "0.00373073",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "3705045.47",
        "weight": "0.00365281",
        "shared": false
      },
      {
        "name": "UMBS",
        "value": "3650502.42",
        "weight": "0.00359903",
        "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": "0001410368-26-040407",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1496608/000141036826040407/0001410368-26-040407-index.htm"
    }
  ]
}