{
  "page": "compare",
  "query": {
    "a": "LSSAX",
    "b": "BRAMX"
  },
  "retrieved_at": "2026-07-07T19:25:24+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": "Loomis Sayles Securitized Asset Fund",
    "ticker": "LSSAX",
    "slug": "LSSAX",
    "series_id": "S000006639",
    "html_url": "https://fundwatcher.app/funds/LSSAX/"
  },
  "fund_b": {
    "name": "BATS: Mortgage Total Return Series",
    "ticker": "BRAMX",
    "slug": "BRAMX",
    "series_id": "S000001470",
    "html_url": "https://fundwatcher.app/funds/BRAMX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.06105519566384265222182575201",
    "coverage_b_by_a": "0.06105519566384265222182575201",
    "shared_count": 9,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "110356259.20",
        "weight": "0.05718978",
        "shared": false
      },
      {
        "name": "FNMA, Other",
        "value": "76691477.51",
        "weight": "0.03974373",
        "shared": false
      },
      {
        "name": "G2SF 5 4/26",
        "value": "71090834.08",
        "weight": "0.03684131",
        "shared": true
      },
      {
        "name": "FN CB2751",
        "value": "61733311.79",
        "weight": "0.03199198",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "59617649.75",
        "weight": "0.03089558",
        "shared": false
      },
      {
        "name": "FNCL 5 4/26",
        "value": "59167598.40",
        "weight": "0.03066235",
        "shared": true
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "58935874.97",
        "weight": "0.03054226",
        "shared": false
      },
      {
        "name": "FNCL 4.5 4/26",
        "value": "47159827.09",
        "weight": "0.02443958",
        "shared": true
      },
      {
        "name": "Fannie Mae Pool",
        "value": "47133625.41",
        "weight": "0.02442600",
        "shared": false
      },
      {
        "name": "Freddie Mac REMICS",
        "value": "33837142.52",
        "weight": "0.01753538",
        "shared": false
      },
      {
        "name": "FANNIE MAE REMICS FNR 2025-114 AE",
        "value": "31807077.97",
        "weight": "0.01648334",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "30860397.28",
        "weight": "0.01599274",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "28526201.62",
        "weight": "0.01478310",
        "shared": false
      },
      {
        "name": "FN CC0715",
        "value": "28413392.05",
        "weight": "0.01472464",
        "shared": false
      },
      {
        "name": "Freddie Mac REMICS",
        "value": "26828203.82",
        "weight": "0.01390315",
        "shared": false
      },
      {
        "name": "FNMA 30YR 3% 02/01/2052#CB2890",
        "value": "26544470.48",
        "weight": "0.01375611",
        "shared": false
      },
      {
        "name": "FNMA UMBS, 30 Year",
        "value": "25400979.52",
        "weight": "0.01316352",
        "shared": false
      },
      {
        "name": "FR SD8489",
        "value": "22549224.73",
        "weight": "0.01168566",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "22000735.89",
        "weight": "0.01140141",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "20791574.10",
        "weight": "0.01077479",
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      },
      {
        "name": "Freddie Mac Pool",
        "value": "16825304.28",
        "weight": "0.00871936",
        "shared": false
      },
      {
        "name": "Freddie Mac Pool",
        "value": "16218756.09",
        "weight": "0.00840503",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "15446504.19",
        "weight": "0.00800482",
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      },
      {
        "name": "FR SD8244",
        "value": "14536676.37",
        "weight": "0.00753332",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "13815408.39",
        "weight": "0.00715954",
        "shared": false
      },
      {
        "name": "Fannie Mae REMICS",
        "value": "13620526.28",
        "weight": "0.00705855",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "12940702.04",
        "weight": "0.00670624",
        "shared": false
      },
      {
        "name": "FIXED INC CLEARING CORP.REPO",
        "value": "11183829.22",
        "weight": "0.00579578",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "11167757.29",
        "weight": "0.00578745",
        "shared": false
      },
      {
        "name": "Freddie Mac REMICS",
        "value": "10950547.99",
        "weight": "0.00567489",
        "shared": false
      },
      {
        "name": "FHLMC, REMIC, Series 5425, Class KB",
        "value": "10083867.18",
        "weight": "0.00522575",
        "shared": false
      },
      {
        "name": "UMBS",
        "value": "9868757.48",
        "weight": "0.00511427",
        "shared": false
      },
      {
        "name": "Freddie Mac REMICS",
        "value": "9732918.77",
        "weight": "0.00504388",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "9311439.02",
        "weight": "0.00482546",
        "shared": false
      },
      {
        "name": "FNMA 30YR 6.5% 10/01/2055#MA5855",
        "value": "8893648.41",
        "weight": "0.00460894",
        "shared": false
      },
      {
        "name": "AFRMT 2026-2A A",
        "value": "8450056.51",
        "weight": "0.00437906",
        "shared": false
      },
      {
        "name": "FN MA5497",
        "value": "8009766.44",
        "weight": "0.00415089",
        "shared": true
      },
      {
        "name": "UMBS",
        "value": "7885620.34",
        "weight": "0.00408655",
        "shared": false
      },
      {
        "name": "Rockland Park Limited",
        "value": "7651002.15",
        "weight": "0.00396497",
        "shared": false
      },
      {
        "name": "Freddie Mac Multifamily Structured Pass Through Certificates",
        "value": "6925037.20",
        "weight": "0.00358875",
        "shared": false
      },
      {
        "name": "FN FS1648",
        "value": "6916615.42",
        "weight": "0.00358439",
        "shared": false
      },
      {
        "name": "FNMA, Other",
        "value": "6808990.71",
        "weight": "0.00352861",
        "shared": false
      },
      {
        "name": "Government National Mortgage Association",
        "value": "6516935.25",
        "weight": "0.00337726",
        "shared": false
      },
      {
        "name": "UMBS",
        "value": "5964595.52",
        "weight": "0.00309102",
        "shared": false
      },
      {
        "name": "FR SD8205",
        "value": "5931299.57",
        "weight": "0.00307377",
        "shared": true
      },
      {
        "name": "CSMC TR 2014-USA 3.953% 09/15/2037 144A",
        "value": "5640353.49",
        "weight": "0.00292299",
        "shared": false
      },
      {
        "name": "Hudsons Bay Simon JV Trust, Series 2015-HB10, Class A10",
        "value": "5638558.56",
        "weight": "0.00292206",
        "shared": false
      },
      {
        "name": "Freddie Mac Pool",
        "value": "5620641.47",
        "weight": "0.00291278",
        "shared": false
      },
      {
        "name": "MSC 2019-L3 A4",
        "value": "5478424.45",
        "weight": "0.00283908",
        "shared": false
      },
      {
        "name": "Carvana Auto Receivables Trust, Series 2021-P2, Class C",
        "value": "5370225.68",
        "weight": "0.00278301",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "FNCL 5 4/26",
        "value": "114778238.01",
        "weight": "0.05150340",
        "shared": true
      },
      {
        "name": "FNCL 5.5 4/26",
        "value": "89511391.19",
        "weight": "0.04016564",
        "shared": false
      },
      {
        "name": "FN MA5971",
        "value": "81495179.26",
        "weight": "0.03656860",
        "shared": false
      },
      {
        "name": "FNCL 4 4/26",
        "value": "57710623.44",
        "weight": "0.02589597",
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      },
      {
        "name": "FNCL 2.5 4/26",
        "value": "46013206.56",
        "weight": "0.02064709",
        "shared": true
      },
      {
        "name": "FNCL 3 4/26",
        "value": "44818151.68",
        "weight": "0.02011084",
        "shared": false
      },
      {
        "name": "FR RQ0041",
        "value": "42719498.22",
        "weight": "0.01916913",
        "shared": false
      },
      {
        "name": "FNCL 6 4/26",
        "value": "42475397.76",
        "weight": "0.01905960",
        "shared": false
      },
      {
        "name": "FNCI 4.5 4/25",
        "value": "39543108.09",
        "weight": "0.01774382",
        "shared": false
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "39340179.53",
        "weight": "0.01765276",
        "shared": false
      },
      {
        "name": "FNMA 30YR 4.5% 11/01/2055#MA5908",
        "value": "38359875.60",
        "weight": "0.01721288",
        "shared": false
      },
      {
        "name": "Freddie Mac Pool",
        "value": "33933684.50",
        "weight": "0.01522676",
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      },
      {
        "name": "G2SF 5.5 4/25",
        "value": "32694907.63",
        "weight": "0.01467089",
        "shared": false
      },
      {
        "name": "G2 MA9963",
        "value": "31133151.23",
        "weight": "0.01397010",
        "shared": false
      },
      {
        "name": "FNCL 4.5 4/26",
        "value": "29363192.53",
        "weight": "0.01317588",
        "shared": true
      },
      {
        "name": "FNCL 2 4/26",
        "value": "26398803.59",
        "weight": "0.01184570",
        "shared": false
      },
      {
        "name": "FNCL 3.5 4/26",
        "value": "25809029.31",
        "weight": "0.01158105",
        "shared": false
      },
      {
        "name": "G2SF 2 4/26",
        "value": "23710422.51",
        "weight": "0.01063936",
        "shared": false
      },
      {
        "name": "G2SF 5 4/26",
        "value": "23031461.52",
        "weight": "0.01033470",
        "shared": true
      },
      {
        "name": "G2SF 3 4/26",
        "value": "18376715.18",
        "weight": "0.00824602",
        "shared": false
      },
      {
        "name": "G2SF 6 4/25",
        "value": "16888134.18",
        "weight": "0.00757806",
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      },
      {
        "name": "G2SF 2.5 4/24",
        "value": "16878846.09",
        "weight": "0.00757389",
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      },
      {
        "name": "G2 MA8428",
        "value": "16838949.94",
        "weight": "0.00755599",
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      },
      {
        "name": "Uniform Mortgage-Backed Securities",
        "value": "16372859.03",
        "weight": "0.00734685",
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      },
      {
        "name": "G2SF 4 4/23",
        "value": "15528433.40",
        "weight": "0.00696793",
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      },
      {
        "name": "Uniform Mortgage-Backed Securities",
        "value": "14831794.89",
        "weight": "0.00665534",
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      },
      {
        "name": "FR SD8494",
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        "weight": "0.00657299",
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      },
      {
        "name": "U.S. Treasury Bills",
        "value": "14264545.94",
        "weight": "0.00640080",
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      },
      {
        "name": "FNCL 6.5 4/26",
        "value": "14183046.82",
        "weight": "0.00636423",
        "shared": false
      },
      {
        "name": "FN MA5646",
        "value": "13014493.90",
        "weight": "0.00583988",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Securities",
        "value": "12842289.25",
        "weight": "0.00576260",
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      },
      {
        "name": "FR SD8146",
        "value": "11876430.52",
        "weight": "0.00532920",
        "shared": false
      },
      {
        "name": "FR SD7553",
        "value": "11856793.15",
        "weight": "0.00532039",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Securities",
        "value": "11509516.87",
        "weight": "0.00516456",
        "shared": false
      },
      {
        "name": "FN MA5822",
        "value": "11273882.26",
        "weight": "0.00505883",
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      },
      {
        "name": "G2 MA7135",
        "value": "11119947.97",
        "weight": "0.00498975",
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      },
      {
        "name": "Uniform Mortgage-Backed Securities",
        "value": "10973413.43",
        "weight": "0.00492400",
        "shared": false
      },
      {
        "name": "Freddie Mac Multifamily Structured Pass Through Certificates",
        "value": "10937156.40",
        "weight": "0.00490773",
        "shared": false
      },
      {
        "name": "Freddie Mac Pool",
        "value": "10555828.37",
        "weight": "0.00473662",
        "shared": false
      },
      {
        "name": "GOVERNMENT NATIONAL MORTGAGE CORPORATION",
        "value": "10493013.14",
        "weight": "0.00470844",
        "shared": false
      },
      {
        "name": "G2SF 6.5 4/25",
        "value": "10388151.88",
        "weight": "0.00466138",
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      },
      {
        "name": "FN MA5761",
        "value": "10344222.80",
        "weight": "0.00464167",
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      },
      {
        "name": "FR SD4977",
        "value": "9877334.43",
        "weight": "0.00443217",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Securities",
        "value": "9838056.90",
        "weight": "0.00441454",
        "shared": false
      },
      {
        "name": "FR RA6509",
        "value": "9598344.50",
        "weight": "0.00430698",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Securities",
        "value": "9582254.90",
        "weight": "0.00429976",
        "shared": false
      },
      {
        "name": "G2 MA8044",
        "value": "9571163.98",
        "weight": "0.00429478",
        "shared": false
      },
      {
        "name": "DREYFUS-TR SE-IN",
        "value": "9153170.95",
        "weight": "0.00410722",
        "shared": false
      },
      {
        "name": "FN MA5497",
        "value": "8789116.72",
        "weight": "0.00394386",
        "shared": true
      },
      {
        "name": "G2 MA7880",
        "value": "8431833.34",
        "weight": "0.00378354",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-056155",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/917469/000141036826056155/0001410368-26-056155-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000940400-26-020781",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1221845/000094040026020781/0000940400-26-020781-index.htm"
    }
  ]
}