{
  "page": "compare",
  "query": {
    "a": "CFSTX",
    "b": "SSIMX"
  },
  "retrieved_at": "2026-07-07T19:33:14+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": "The Short Term Government Fund",
    "ticker": "CFSTX",
    "slug": "CFSTX",
    "series_id": "S000010031",
    "html_url": "https://fundwatcher.app/funds/CFSTX/"
  },
  "fund_b": {
    "name": "State Street Income V.I.S. Fund",
    "ticker": "SSIMX",
    "slug": "SSIMX",
    "series_id": "S000001643",
    "html_url": "https://fundwatcher.app/funds/SSIMX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.08421532847867245042567905066",
    "coverage_b_by_a": "0.08421532847867245042567905066",
    "shared_count": 1,
    "as_of": {
      "a": "2026-04-30",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "US TREASURY N/B",
        "value": "2791578.13",
        "weight": "0.09984048",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "2400878.90",
        "weight": "0.08586717",
        "shared": false
      },
      {
        "name": "State Street Navigator Securities Lending Portfolio II",
        "value": "2354692.88",
        "weight": "0.08421533",
        "shared": true
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "981926.39",
        "weight": "0.03511849",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "980781.25",
        "weight": "0.03507753",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "766312.50",
        "weight": "0.02740708",
        "shared": false
      },
      {
        "name": "Fannie Mae REMICS",
        "value": "702867.88",
        "weight": "0.02513799",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "698359.38",
        "weight": "0.02497675",
        "shared": false
      },
      {
        "name": "Freddie Mac Pool",
        "value": "663673.17",
        "weight": "0.02373620",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "602437.50",
        "weight": "0.02154611",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "598359.37",
        "weight": "0.02140026",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "590121.10",
        "weight": "0.02110562",
        "shared": false
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "589064.27",
        "weight": "0.02106782",
        "shared": false
      },
      {
        "name": "GOVERNMENT NATIONAL MORTGAGE ASSOCIATION GNR 2022-199 A",
        "value": "547162.51",
        "weight": "0.01956921",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "499687.81",
        "weight": "0.01787128",
        "shared": false
      },
      {
        "name": "Federal Home Loan Banks",
        "value": "498548.05",
        "weight": "0.01783052",
        "shared": false
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "496244.53",
        "weight": "0.01774813",
        "shared": false
      },
      {
        "name": "Ginnie Mae II Pool",
        "value": "482505.78",
        "weight": "0.01725677",
        "shared": false
      },
      {
        "name": "Government National Mortgage Association",
        "value": "480866.97",
        "weight": "0.01719815",
        "shared": false
      },
      {
        "name": "Freddie Mac Non Gold Pool",
        "value": "478763.77",
        "weight": "0.01712293",
        "shared": false
      },
      {
        "name": "Freddie Mac REMICS",
        "value": "424946.85",
        "weight": "0.01519818",
        "shared": false
      },
      {
        "name": "Freddie Mac REMICS",
        "value": "421801.90",
        "weight": "0.01508570",
        "shared": false
      },
      {
        "name": "Freddie Mac REMICS",
        "value": "395597.94",
        "weight": "0.01414852",
        "shared": false
      },
      {
        "name": "Fannie Mae REMICS",
        "value": "387933.25",
        "weight": "0.01387439",
        "shared": false
      },
      {
        "name": "Government National Mortgage Association",
        "value": "385711.92",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "351927.73",
        "weight": "0.01258666",
        "shared": false
      },
      {
        "name": "Government National Mortgage Association",
        "value": "308983.33",
        "weight": "0.01105075",
        "shared": false
      },
      {
        "name": "FNMA, REMIC, Series 2020-45, Class CB",
        "value": "304614.20",
        "weight": "0.01089449",
        "shared": false
      },
      {
        "name": "FNMA GTD MTG PASS THRU CTF 2% 05/25/2045",
        "value": "303817.17",
        "weight": "0.01086599",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "295772.46",
        "weight": "0.01057827",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "278929.69",
        "weight": "0.00997589",
        "shared": false
      },
      {
        "name": "GOVERNMENT NATIONAL MORTGAGE ASSOCIATION GNR 2023-49 A",
        "value": "240501.96",
        "weight": "0.00860153",
        "shared": false
      },
      {
        "name": "GCAT Trust 2021-NQM6",
        "value": "220214.82",
        "weight": "0.00787596",
        "shared": false
      },
      {
        "name": "Barclays Mortgage Loan Trust, Series 2021-NQM1, Class A1",
        "value": "207120.99",
        "weight": "0.00740766",
        "shared": false
      },
      {
        "name": "CSMC 2021-NQM5 TRUST SER 2021-NQM5 CL A1 V/R REGD 144A P/P 0.93800000",
        "value": "201600.94",
        "weight": "0.00721024",
        "shared": false
      },
      {
        "name": "FN MA1959",
        "value": "196498.61",
        "weight": "0.00702775",
        "shared": false
      },
      {
        "name": "Fannie Mae REMICS",
        "value": "191018.97",
        "weight": "0.00683177",
        "shared": false
      },
      {
        "name": "Government National Mortgage Association",
        "value": "186673.28",
        "weight": "0.00667635",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "181581.03",
        "weight": "0.00649423",
        "shared": false
      },
      {
        "name": "FEDERAL NAT MTG ASN GTD REM PA 2% 12/25/2043",
        "value": "181453.32",
        "weight": "0.00648966",
        "shared": false
      },
      {
        "name": "Government National Mortgage Association",
        "value": "173223.19",
        "weight": "0.00619531",
        "shared": false
      },
      {
        "name": "VERUS SECURITIZATION TRUST VERUS 2021 2 A1 144A",
        "value": "166899.59",
        "weight": "0.00596915",
        "shared": false
      },
      {
        "name": "Fannie Mae REMICS",
        "value": "156730.76",
        "weight": "0.00560546",
        "shared": false
      },
      {
        "name": "Fannie Mae REMICS",
        "value": "151312.77",
        "weight": "0.00541168",
        "shared": false
      },
      {
        "name": "FNMA, REMIC, Series 2010-109, Class M",
        "value": "151076.44",
        "weight": "0.00540323",
        "shared": false
      },
      {
        "name": "Government National Mortgage Association",
        "value": "147155.18",
        "weight": "0.00526299",
        "shared": false
      },
      {
        "name": "Fannie Mae REMICS",
        "value": "143210.38",
        "weight": "0.00512190",
        "shared": false
      },
      {
        "name": "MFRA 2021-NQM2 A1",
        "value": "142836.30",
        "weight": "0.00510852",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "128637.11",
        "weight": "0.00460069",
        "shared": false
      },
      {
        "name": "Federal National Mortgage Association Series 2012-110, Class CA",
        "value": "128196.46",
        "weight": "0.00458493",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "State Street Navigator Securities Lending Portfolio II",
        "value": "1134814.73",
        "weight": "0.12952319",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "566822.81",
        "weight": "0.06469488",
        "shared": false
      },
      {
        "name": "FNCL 6 4/26",
        "value": "324305.04",
        "weight": "0.03701487",
        "shared": false
      },
      {
        "name": "FNCL 2.5 4/26",
        "value": "270830.82",
        "weight": "0.03091154",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "236594.22",
        "weight": "0.02700391",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "234155.47",
        "weight": "0.02672556",
        "shared": false
      },
      {
        "name": "FNCL 3 4/26",
        "value": "183103.69",
        "weight": "0.02089872",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "176833.75",
        "weight": "0.02018309",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "171462.50",
        "weight": "0.01957004",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "166715.86",
        "weight": "0.01902828",
        "shared": false
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Notes",
        "value": "166301.13",
        "weight": "0.01898094",
        "shared": false
      },
      {
        "name": "FNMA UMBS, 30 Year",
        "value": "164166.24",
        "weight": "0.01873728",
        "shared": false
      },
      {
        "name": "BANK 2017-BNK7 A4",
        "value": "152429.83",
        "weight": "0.01739773",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "149999.06",
        "weight": "0.01712029",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "133892.58",
        "weight": "0.01528196",
        "shared": false
      },
      {
        "name": "FR RA1584",
        "value": "132451.28",
        "weight": "0.01511746",
        "shared": false
      },
      {
        "name": "U.S. Treasury Inflation-Indexed Notes",
        "value": "112453.10",
        "weight": "0.01283495",
        "shared": false
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 01/15/2031",
        "value": "101605.91",
        "weight": "0.01159689",
        "shared": false
      },
      {
        "name": "G2 MA0624",
        "value": "101524.84",
        "weight": "0.01158764",
        "shared": false
      },
      {
        "name": "GS Mortgage Securities Trust, Series 2019-GC42, Class A3",
        "value": "99149.33",
        "weight": "0.01131651",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "98485.66",
        "weight": "0.01124076",
        "shared": false
      },
      {
        "name": "ADMT 2025-NQM4 A1",
        "value": "94764.91",
        "weight": "0.01081609",
        "shared": false
      },
      {
        "name": "Verus Securitization Trust, Series 2025-9, Class A1",
        "value": "94325.32",
        "weight": "0.01076591",
        "shared": false
      },
      {
        "name": "CROSS MORTGAGE TRUST CROSS 2025 H7 A1 144A",
        "value": "92157.28",
        "weight": "0.01051846",
        "shared": false
      },
      {
        "name": "ONSLOW BAY FINANCIAL LLC VAR 10/25/2065 144A",
        "value": "91262.47",
        "weight": "0.01041633",
        "shared": false
      },
      {
        "name": "AOMT 2025-10 A1",
        "value": "90949.16",
        "weight": "0.01038057",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "88909.61",
        "weight": "0.01014779",
        "shared": false
      },
      {
        "name": "OBX Trust, Series 2025-NQM18, Class A1",
        "value": "85044.08",
        "weight": "0.00970659",
        "shared": false
      },
      {
        "name": "FNCL 2 4/26",
        "value": "81922.83",
        "weight": "0.00935034",
        "shared": false
      },
      {
        "name": "FREDDIE MAC GOLD POOL",
        "value": "81454.07",
        "weight": "0.00929684",
        "shared": false
      },
      {
        "name": "BANK 2018-BN15 A4",
        "value": "65816.40",
        "weight": "0.00751202",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "63743.79",
        "weight": "0.00727546",
        "shared": false
      },
      {
        "name": "Federal Home Loan Mortgage Corp",
        "value": "60288.95",
        "weight": "0.00688114",
        "shared": false
      },
      {
        "name": "CD 2019-CD8 A4",
        "value": "59312.49",
        "weight": "0.00676969",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "55986.71",
        "weight": "0.00639010",
        "shared": false
      },
      {
        "name": "GSMS 2019-GSA1 A4",
        "value": "53096.69",
        "weight": "0.00606024",
        "shared": false
      },
      {
        "name": "FHMS K097 A2",
        "value": "52312.30",
        "weight": "0.00597072",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "43654.69",
        "weight": "0.00498257",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "40410.63",
        "weight": "0.00461231",
        "shared": false
      },
      {
        "name": "G2 MA2753",
        "value": "40236.19",
        "weight": "0.00459240",
        "shared": false
      },
      {
        "name": "FN FM2714",
        "value": "38049.47",
        "weight": "0.00434281",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "37932.90",
        "weight": "0.00432951",
        "shared": false
      },
      {
        "name": "GOVERNMENT NATIONAL MORTGAGE ASSOCIATION",
        "value": "32184.58",
        "weight": "0.00367342",
        "shared": false
      },
      {
        "name": "CF 2019-CF3 A4",
        "value": "32006.39",
        "weight": "0.00365308",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "31797.50",
        "weight": "0.00362924",
        "shared": false
      },
      {
        "name": "G2 MA5397",
        "value": "31470.77",
        "weight": "0.00359195",
        "shared": false
      },
      {
        "name": "FHMS K083 A2",
        "value": "30932.18",
        "weight": "0.00353047",
        "shared": false
      },
      {
        "name": "CRWD 3 02/15/29",
        "value": "30448.64",
        "weight": "0.00347529",
        "shared": false
      },
      {
        "name": "Citigroup Commercial Mortgage Trust 2016-P6",
        "value": "30035.01",
        "weight": "0.00342808",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "27373.28",
        "weight": "0.00312428",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-063612",
      "as_of": "2026-04-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/926243/000141036826063612/0001410368-26-063612-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001410368-26-055458",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/746687/000141036826055458/0001410368-26-055458-index.htm"
    }
  ]
}