{
  "page": "compare",
  "query": {
    "a": "GSOSX",
    "b": "VUSTX"
  },
  "retrieved_at": "2026-07-07T19:15:25+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": "Goldman Sachs Government Income Fund",
    "ticker": "GSOSX",
    "slug": "GSOSX",
    "series_id": "S000009304",
    "html_url": "https://fundwatcher.app/funds/GSOSX/"
  },
  "fund_b": {
    "name": "VANGUARD LONG-TERM TREASURY FUND",
    "ticker": "VUSTX",
    "slug": "VUSTX",
    "series_id": "S000002589",
    "html_url": "https://fundwatcher.app/funds/VUSTX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.08812476235694417161154476162",
    "coverage_b_by_a": "0.08812476235694417161154476162",
    "shared_count": 14,
    "as_of": {
      "a": "2025-12-31",
      "b": "2026-01-31"
    },
    "a_top": [
      {
        "name": "FNCL 5.5 1/26",
        "value": "8111562.40",
        "weight": "0.04984421",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "8106144.95",
        "weight": "0.04981092",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "7528112.50",
        "weight": "0.04625901",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "6523570.31",
        "weight": "0.04008626",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "6475603.13",
        "weight": "0.03979151",
        "shared": false
      },
      {
        "name": "MONEYMKT",
        "value": "6335810.66",
        "weight": "0.03893251",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "5312277.75",
        "weight": "0.03264307",
        "shared": false
      },
      {
        "name": "G2SF 2 1/26",
        "value": "4965887.40",
        "weight": "0.03051456",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "4230812.50",
        "weight": "0.02599764",
        "shared": true
      },
      {
        "name": "FNCL 6 1/26",
        "value": "4106406.40",
        "weight": "0.02523319",
        "shared": false
      },
      {
        "name": "Federal Home Loan Banks",
        "value": "3505825.20",
        "weight": "0.02154272",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "3388265.63",
        "weight": "0.02082033",
        "shared": true
      },
      {
        "name": "UMBS",
        "value": "3197745.29",
        "weight": "0.01964962",
        "shared": false
      },
      {
        "name": "FNCL 5 1/26",
        "value": "2992500.00",
        "weight": "0.01838842",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "2147906.25",
        "weight": "0.01319853",
        "shared": false
      },
      {
        "name": "NJ ECON-SER A",
        "value": "2088799.00",
        "weight": "0.01283532",
        "shared": false
      },
      {
        "name": "FN MA4158",
        "value": "2045001.46",
        "weight": "0.01256620",
        "shared": false
      },
      {
        "name": "FN MA4182",
        "value": "2043682.21",
        "weight": "0.01255809",
        "shared": false
      },
      {
        "name": "G2SF 5.5 1/25",
        "value": "2019304.60",
        "weight": "0.01240829",
        "shared": false
      },
      {
        "name": "UMBS",
        "value": "2010143.88",
        "weight": "0.01235200",
        "shared": false
      },
      {
        "name": "FR SD7540",
        "value": "1939938.15",
        "weight": "0.01192060",
        "shared": false
      },
      {
        "name": "FN CA6988",
        "value": "1889475.62",
        "weight": "0.01161052",
        "shared": false
      },
      {
        "name": "FNCL 3 1/26",
        "value": "1767656.20",
        "weight": "0.01086195",
        "shared": true
      },
      {
        "name": "Government National Mortgage Association, TBA",
        "value": "1724766.40",
        "weight": "0.01059840",
        "shared": false
      },
      {
        "name": "U.S. Treasury STRIPS Coupon",
        "value": "1552115.17",
        "weight": "0.00953749",
        "shared": false
      },
      {
        "name": "G2 MA6283",
        "value": "1444562.19",
        "weight": "0.00887660",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1403001.56",
        "weight": "0.00862121",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "1401035.94",
        "weight": "0.00860913",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "1383557.82",
        "weight": "0.00850173",
        "shared": false
      },
      {
        "name": "FR SD8129",
        "value": "1371403.93",
        "weight": "0.00842705",
        "shared": false
      },
      {
        "name": "FR SD0294",
        "value": "1341661.96",
        "weight": "0.00824429",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1284018.75",
        "weight": "0.00789008",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1150439.06",
        "weight": "0.00706926",
        "shared": true
      },
      {
        "name": "FNCL 7 1/24",
        "value": "1052021.90",
        "weight": "0.00646450",
        "shared": false
      },
      {
        "name": "FN CC1438",
        "value": "1016092.92",
        "weight": "0.00624372",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "1009990.48",
        "weight": "0.00620622",
        "shared": false
      },
      {
        "name": "TPMT 2017-4 A2",
        "value": "986019.29",
        "weight": "0.00605893",
        "shared": false
      },
      {
        "name": "G2SF 4.5 1/26",
        "value": "974096.90",
        "weight": "0.00598566",
        "shared": false
      },
      {
        "name": "FNCL 4 1/26",
        "value": "948359.40",
        "weight": "0.00582751",
        "shared": false
      },
      {
        "name": "G2 MA6474",
        "value": "924310.03",
        "weight": "0.00567973",
        "shared": false
      },
      {
        "name": "FNCL 3.5 2/26",
        "value": "920664.10",
        "weight": "0.00565733",
        "shared": false
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.50% 2/15/2053",
        "value": "897177.37",
        "weight": "0.00551301",
        "shared": false
      },
      {
        "name": "GOVERNMENT NATIONAL MORTGAGE ASSOCIATION GNR 2021-135 A",
        "value": "881845.45",
        "weight": "0.00541879",
        "shared": false
      },
      {
        "name": "UMBS",
        "value": "849863.47",
        "weight": "0.00522227",
        "shared": false
      },
      {
        "name": "FNCL 2.5 1/26",
        "value": "845117.20",
        "weight": "0.00519311",
        "shared": false
      },
      {
        "name": "FR RA1411",
        "value": "830448.94",
        "weight": "0.00510297",
        "shared": false
      },
      {
        "name": "FR SD7563",
        "value": "784455.54",
        "weight": "0.00482035",
        "shared": false
      },
      {
        "name": "FN CB4693",
        "value": "758509.57",
        "weight": "0.00466092",
        "shared": false
      },
      {
        "name": "FN MA3564",
        "value": "755695.92",
        "weight": "0.00464363",
        "shared": false
      },
      {
        "name": "Scholar Funding Trust, Series 2013-A, Class A",
        "value": "737116.79",
        "weight": "0.00452946",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "94981446.50",
        "weight": "0.02976051",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "83038957.25",
        "weight": "0.02601858",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "77282434.41",
        "weight": "0.02421489",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "71346093.75",
        "weight": "0.02235485",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "59482014.75",
        "weight": "0.01863748",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "58251953.13",
        "weight": "0.01825207",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "58081303.29",
        "weight": "0.01819860",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "55928640.77",
        "weight": "0.01752411",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "55668320.31",
        "weight": "0.01744254",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "55580023.19",
        "weight": "0.01741487",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "52253687.50",
        "weight": "0.01637263",
        "shared": true
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "49800057.98",
        "weight": "0.01560384",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "49782343.97",
        "weight": "0.01559829",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "49266000.00",
        "weight": "0.01543650",
        "shared": false
      },
      {
        "name": "FNCL 5 1/26",
        "value": "47748444.12",
        "weight": "0.01496101",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "46925156.25",
        "weight": "0.01470305",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "46604257.98",
        "weight": "0.01460250",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "46120790.22",
        "weight": "0.01445102",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "45912351.35",
        "weight": "0.01438571",
        "shared": false
      },
      {
        "name": "Vanguard Market Liquidity Fund",
        "value": "45895958.70",
        "weight": "0.01438057",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "44253105.59",
        "weight": "0.01386581",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "43895189.63",
        "weight": "0.01375367",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "43767035.16",
        "weight": "0.01371351",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "41904101.56",
        "weight": "0.01312980",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "41787029.19",
        "weight": "0.01309312",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "41683007.64",
        "weight": "0.01306053",
        "shared": false
      },
      {
        "name": "FEDERAL NATIONAL MORTGAGE ASSOCIATION ZCP 0.00000000",
        "value": "41075382.25",
        "weight": "0.01287014",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "41075331.87",
        "weight": "0.01287012",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "40807047.22",
        "weight": "0.01278606",
        "shared": false
      },
      {
        "name": "FRE PRIN STRIP",
        "value": "39607189.89",
        "weight": "0.01241011",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "39547078.13",
        "weight": "0.01239128",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "38505851.67",
        "weight": "0.01206503",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "37937578.13",
        "weight": "0.01188697",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "37895000.00",
        "weight": "0.01187363",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "37892902.23",
        "weight": "0.01187297",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "36677734.38",
        "weight": "0.01149223",
        "shared": false
      },
      {
        "name": "FNCL 3 1/26",
        "value": "36345860.40",
        "weight": "0.01138824",
        "shared": true
      },
      {
        "name": "FNCL 5.5 1/26",
        "value": "36139564.28",
        "weight": "0.01132360",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "35713863.16",
        "weight": "0.01119022",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "34653541.50",
        "weight": "0.01085799",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "34514268.04",
        "weight": "0.01081435",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "33872887.50",
        "weight": "0.01061338",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "33240061.56",
        "weight": "0.01041510",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "30948476.44",
        "weight": "0.00969708",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "30460394.45",
        "weight": "0.00954415",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "30183518.00",
        "weight": "0.00945739",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "30084837.78",
        "weight": "0.00942647",
        "shared": false
      },
      {
        "name": "FNCL 4.5 1/26",
        "value": "28130485.81",
        "weight": "0.00881412",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "27137656.25",
        "weight": "0.00850304",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "27109049.56",
        "weight": "0.00849407",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-016225",
      "as_of": "2025-12-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/822977/000141036826016225/0001410368-26-016225-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000106444-26-000136",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/106444/000010644426000136/0000106444-26-000136-index.htm"
    }
  ]
}