{
  "page": "compare",
  "query": {
    "a": "TSICX",
    "b": "TSAMX"
  },
  "retrieved_at": "2026-07-07T19:19:11+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": "Thornburg Strategic Income Fund",
    "ticker": "TSICX",
    "slug": "TSICX",
    "series_id": "S000020097",
    "html_url": "https://fundwatcher.app/funds/TSICX/"
  },
  "fund_b": {
    "name": "Thornburg Summit Fund",
    "ticker": "TSAMX",
    "slug": "TSAMX",
    "series_id": "S000064930",
    "html_url": "https://fundwatcher.app/funds/TSAMX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.1622621193056337911940176897",
    "coverage_b_by_a": "0.1622621193056337911940176896",
    "shared_count": 115,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "Thornburg Capital Management Fund",
        "value": "207827755.41",
        "weight": "0.02036449",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Indexed Notes",
        "value": "200475052.20",
        "weight": "0.01964402",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "188277759.66",
        "weight": "0.01844884",
        "shared": true
      },
      {
        "name": "G2 MA8098",
        "value": "139913626.35",
        "weight": "0.01370977",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "133475326.56",
        "weight": "0.01307890",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "115982295.00",
        "weight": "0.01136480",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "102654421.88",
        "weight": "0.01005884",
        "shared": false
      },
      {
        "name": "Freddie Mac Pool",
        "value": "89417512.54",
        "weight": "0.00876179",
        "shared": false
      },
      {
        "name": "G2 MA7706",
        "value": "78924058.09",
        "weight": "0.00773356",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "62984375.00",
        "weight": "0.00617167",
        "shared": false
      },
      {
        "name": "U.S. Treasury STRIPS Coupon",
        "value": "39682768.80",
        "weight": "0.00388841",
        "shared": false
      },
      {
        "name": "FN BV4119",
        "value": "39561689.74",
        "weight": "0.00387655",
        "shared": true
      },
      {
        "name": "SALESFORCE INC",
        "value": "37470863.40",
        "weight": "0.00367167",
        "shared": false
      },
      {
        "name": "EMERA INC SUB (H) 6.75% 06-15-76/26",
        "value": "35007350.00",
        "weight": "0.00343028",
        "shared": true
      },
      {
        "name": "COBKAC 6 1/4 PERP",
        "value": "34575265.95",
        "weight": "0.00338794",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0.25% 02/15/2050",
        "value": "34045238.69",
        "weight": "0.00333600",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "33833906.25",
        "weight": "0.00331530",
        "shared": false
      },
      {
        "name": "CORPBOND",
        "value": "32796940.15",
        "weight": "0.00321369",
        "shared": true
      },
      {
        "name": "SCIENCE APPLICATIONS INT REGD 144A P/P 4.87500000",
        "value": "32765125.95",
        "weight": "0.00321057",
        "shared": false
      },
      {
        "name": "FR SD4175",
        "value": "32205496.67",
        "weight": "0.00315573",
        "shared": true
      },
      {
        "name": "Westlake Automobile Receivables Trust 2022-2",
        "value": "31033653.61",
        "weight": "0.00304091",
        "shared": false
      },
      {
        "name": "U.S. Treasury STRIPS Coupon",
        "value": "31014955.00",
        "weight": "0.00303907",
        "shared": false
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Bonds",
        "value": "30659483.88",
        "weight": "0.00300424",
        "shared": true
      },
      {
        "name": "FNMA POOL CB2301 FN 12/51 FIXED 3",
        "value": "30191705.60",
        "weight": "0.00295841",
        "shared": true
      },
      {
        "name": "Government National Mortgage Association",
        "value": "29909683.00",
        "weight": "0.00293077",
        "shared": false
      },
      {
        "name": "Freddie Mac REMICS",
        "value": "29805037.55",
        "weight": "0.00292052",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "29690253.48",
        "weight": "0.00290927",
        "shared": false
      },
      {
        "name": "Eagle Funding LuxCo S.a.r.l.",
        "value": "29436141.75",
        "weight": "0.00288437",
        "shared": false
      },
      {
        "name": "JBYCMX 2.5 10/14/31 144A",
        "value": "29126763.84",
        "weight": "0.00285405",
        "shared": false
      },
      {
        "name": "Freddie Mac Pool",
        "value": "28543788.69",
        "weight": "0.00279693",
        "shared": false
      },
      {
        "name": "Research-Driven Pagaya Motor Trust 2025-6",
        "value": "28216049.53",
        "weight": "0.00276482",
        "shared": true
      },
      {
        "name": "FHF Issuer Trust, Series 2025-2A, Class A2",
        "value": "28107056.02",
        "weight": "0.00275414",
        "shared": true
      },
      {
        "name": "FLOWERS FOODS INC REGD 5.75000000",
        "value": "27726392.63",
        "weight": "0.00271684",
        "shared": false
      },
      {
        "name": "FR RQ0064",
        "value": "27221312.36",
        "weight": "0.00266734",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "27071058.75",
        "weight": "0.00265262",
        "shared": true
      },
      {
        "name": "Fannie Mae REMICS",
        "value": "26991730.90",
        "weight": "0.00264485",
        "shared": false
      },
      {
        "name": "Saudi Arabian Mining Company",
        "value": "26122200.00",
        "weight": "0.00255965",
        "shared": false
      },
      {
        "name": "Freddie Mac Pool",
        "value": "25917640.98",
        "weight": "0.00253960",
        "shared": false
      },
      {
        "name": "Freddie Mac REMICS",
        "value": "25849519.91",
        "weight": "0.00253293",
        "shared": false
      },
      {
        "name": "SYNNEX CORP",
        "value": "25815661.76",
        "weight": "0.00252961",
        "shared": false
      },
      {
        "name": "Oracle Corp",
        "value": "25546953.40",
        "weight": "0.00250328",
        "shared": true
      },
      {
        "name": "KEHEFO 9 02/15/29 144A",
        "value": "25135471.76",
        "weight": "0.00246296",
        "shared": false
      },
      {
        "name": "FR SD8140",
        "value": "24975303.59",
        "weight": "0.00244726",
        "shared": false
      },
      {
        "name": "U.S. Treasury STRIPS Coupon",
        "value": "24925092.50",
        "weight": "0.00244234",
        "shared": false
      },
      {
        "name": "ONE BRYANT PK TR 2019-OBP 2.51641% 09/15/2054 144A",
        "value": "24868245.79",
        "weight": "0.00243677",
        "shared": true
      },
      {
        "name": "Pegasus Hava Tasimaciligi AS",
        "value": "24374418.00",
        "weight": "0.00238839",
        "shared": true
      },
      {
        "name": "QORVO INC REGD 144A P/P 3.37500000",
        "value": "24078424.32",
        "weight": "0.00235938",
        "shared": false
      },
      {
        "name": "CNTL AMR BOTTLING CORP REGD 144A P/P 5.25000000",
        "value": "24047007.70",
        "weight": "0.00235630",
        "shared": false
      },
      {
        "name": "PRET LLC, Series 2025-NPL3, Class A1",
        "value": "23975349.20",
        "weight": "0.00234928",
        "shared": false
      },
      {
        "name": "FAIR ISAAC CORP SR UNSECURED 144A 06/28 4",
        "value": "23966863.52",
        "weight": "0.00234845",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "ZEGONA COMMUNICATIONS PLC",
        "value": "3931269.80",
        "weight": "0.03731634",
        "shared": false
      },
      {
        "name": "SAMSUNG ELECTRONICS CO LTD",
        "value": "3371877.12",
        "weight": "0.03200648",
        "shared": false
      },
      {
        "name": "TSMC",
        "value": "3111034.76",
        "weight": "0.02953052",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "2736189.84",
        "weight": "0.02597242",
        "shared": true
      },
      {
        "name": "ORANGE",
        "value": "2454482.35",
        "weight": "0.02329840",
        "shared": false
      },
      {
        "name": "CITIGROUP INC",
        "value": "2253343.29",
        "weight": "0.02138915",
        "shared": false
      },
      {
        "name": "AMAZON.COM INC",
        "value": "2238485.96",
        "weight": "0.02124813",
        "shared": false
      },
      {
        "name": "SHELL PLC",
        "value": "2045984.50",
        "weight": "0.01942087",
        "shared": false
      },
      {
        "name": "COLLIERS-SUBORD",
        "value": "1994078.95",
        "weight": "0.01892817",
        "shared": false
      },
      {
        "name": "ALPHABET INC CL A",
        "value": "1892432.36",
        "weight": "0.01796332",
        "shared": false
      },
      {
        "name": "ROCHE HOLDING AG",
        "value": "1793514.24",
        "weight": "0.01702437",
        "shared": false
      },
      {
        "name": "LIBERTY ENERGY INC CL A",
        "value": "1738137.60",
        "weight": "0.01649873",
        "shared": false
      },
      {
        "name": "META PLATFORMS INC CL A",
        "value": "1734126.03",
        "weight": "0.01646065",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1726640.63",
        "weight": "0.01638959",
        "shared": false
      },
      {
        "name": "SLB LTD",
        "value": "1703784.06",
        "weight": "0.01617264",
        "shared": false
      },
      {
        "name": "AT&T INC",
        "value": "1585231.18",
        "weight": "0.01504731",
        "shared": false
      },
      {
        "name": "U.S. Treasury STRIPS Coupon",
        "value": "1570722.19",
        "weight": "0.01490959",
        "shared": false
      },
      {
        "name": "NVIDIA CORP",
        "value": "1504548.80",
        "weight": "0.01428146",
        "shared": false
      },
      {
        "name": "BNP PARIBAS",
        "value": "1447435.60",
        "weight": "0.01373933",
        "shared": false
      },
      {
        "name": "MEDTRONIC PLC",
        "value": "1431111.40",
        "weight": "0.01358438",
        "shared": false
      },
      {
        "name": "CONSTELLATION SOFTWARE INC",
        "value": "1362220.00",
        "weight": "0.01293045",
        "shared": false
      },
      {
        "name": "CANADIAN PACIFIC KANSAS CITY LTD",
        "value": "1336118.76",
        "weight": "0.01268269",
        "shared": false
      },
      {
        "name": "Thornburg Capital Management Fund",
        "value": "1330779.15",
        "weight": "0.01263200",
        "shared": true
      },
      {
        "name": "ASTRAZENECA PLC",
        "value": "1325760.84",
        "weight": "0.01258437",
        "shared": false
      },
      {
        "name": "ROKO AB",
        "value": "1317672.46",
        "weight": "0.01250759",
        "shared": false
      },
      {
        "name": "VISA INC-CLASS A",
        "value": "1259131.84",
        "weight": "0.01195191",
        "shared": false
      },
      {
        "name": "Lumine Group Inc",
        "value": "1256959.93",
        "weight": "0.01193130",
        "shared": false
      },
      {
        "name": "CME GROUP INC CL A",
        "value": "1207390.80",
        "weight": "0.01146078",
        "shared": false
      },
      {
        "name": "BROADCOM INC",
        "value": "1205231.94",
        "weight": "0.01144029",
        "shared": false
      },
      {
        "name": "TOTALENERGIES SE",
        "value": "1111109.11",
        "weight": "0.01054685",
        "shared": false
      },
      {
        "name": "MASTERCARD INC CL A",
        "value": "1104748.26",
        "weight": "0.01048648",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1076924.22",
        "weight": "0.01022237",
        "shared": false
      },
      {
        "name": "MICROSOFT CORP",
        "value": "1076824.53",
        "weight": "0.01022142",
        "shared": false
      },
      {
        "name": "TENARIS SA SPON ADR",
        "value": "976958.56",
        "weight": "0.00927347",
        "shared": false
      },
      {
        "name": "SCHWAB CHARLES CORP",
        "value": "973820.76",
        "weight": "0.00924369",
        "shared": false
      },
      {
        "name": "U.S. Treasury Inflation-Indexed Notes",
        "value": "963185.29",
        "weight": "0.00914273",
        "shared": true
      },
      {
        "name": "GLENCORE PLC",
        "value": "953633.98",
        "weight": "0.00905207",
        "shared": false
      },
      {
        "name": "OPEN TEXT CORP",
        "value": "950056.07",
        "weight": "0.00901811",
        "shared": false
      },
      {
        "name": "GALAXY ENTERTAIN",
        "value": "926577.15",
        "weight": "0.00879524",
        "shared": false
      },
      {
        "name": "L3HARRIS TECHNOLOGIES INC",
        "value": "818350.65",
        "weight": "0.00776794",
        "shared": false
      },
      {
        "name": "FR SD4175",
        "value": "810549.47",
        "weight": "0.00769389",
        "shared": true
      },
      {
        "name": "MERCADOLIBRE INC",
        "value": "769413.90",
        "weight": "0.00730342",
        "shared": false
      },
      {
        "name": "ROUND ONE CORP",
        "value": "754052.86",
        "weight": "0.00715761",
        "shared": false
      },
      {
        "name": "SHOPIFY INC CL A",
        "value": "714566.88",
        "weight": "0.00678280",
        "shared": false
      },
      {
        "name": "ZOETIS INC CL A",
        "value": "687509.36",
        "weight": "0.00652597",
        "shared": false
      },
      {
        "name": "Icon Public Limited Company",
        "value": "665066.60",
        "weight": "0.00631294",
        "shared": false
      },
      {
        "name": "BUILDERS FIRSTSOURCE",
        "value": "654276.51",
        "weight": "0.00621051",
        "shared": false
      },
      {
        "name": "ASML Holding NV",
        "value": "644931.65",
        "weight": "0.00612181",
        "shared": false
      },
      {
        "name": "ITOCHU CORP",
        "value": "636024.02",
        "weight": "0.00603726",
        "shared": false
      },
      {
        "name": "MERCK & CO",
        "value": "634289.17",
        "weight": "0.00602079",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-051165",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/816153/000141036826051165/0001410368-26-051165-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001410368-26-051173",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/816153/000141036826051173/0001410368-26-051173-index.htm"
    }
  ]
}