{
  "page": "compare",
  "query": {
    "a": "RAMTX",
    "b": "CAAZX"
  },
  "retrieved_at": "2026-07-07T16:11:23+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": "American Funds 2055 Target Date Retirement Fund",
    "ticker": "RAMTX",
    "slug": "RAMTX",
    "series_id": "S000027236",
    "html_url": "https://fundwatcher.app/funds/RAMTX/"
  },
  "fund_b": {
    "name": "American Funds College 2042 Fund",
    "ticker": "CAAZX",
    "slug": "CAAZX",
    "series_id": "S000083552",
    "html_url": "https://fundwatcher.app/funds/CAAZX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.7359026826891037183934496384",
    "coverage_b_by_a": "0.7359026826891037183934496383",
    "shared_count": 15,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-01-31"
    },
    "a_top": [
      {
        "name": "NEW PERSPECTIVE FUND R6 (NPF CL R6)",
        "value": "2714466183.53",
        "weight": "0.08993473",
        "shared": true
      },
      {
        "name": "FUNDAMENTAL INVESTORS R6 (FI CL R6)",
        "value": "2642909573.57",
        "weight": "0.08756394",
        "shared": true
      },
      {
        "name": "SMALLCAP WORLD FUND INC R6",
        "value": "2611938709.06",
        "weight": "0.08653782",
        "shared": true
      },
      {
        "name": "CAPITAL WORLD GROWTH AND INCOME FUND R6 (WGI CL R6)",
        "value": "2411716566.00",
        "weight": "0.07990413",
        "shared": true
      },
      {
        "name": "WASHINGTON MUTUAL INVESTORS FUND R6 (WMIF CL R6)",
        "value": "2411517311.09",
        "weight": "0.07989753",
        "shared": true
      },
      {
        "name": "NEW WORLD FUND INC R6 (NWF CL R6)",
        "value": "2353561734.61",
        "weight": "0.07797737",
        "shared": false
      },
      {
        "name": "GROWTH FUND OF AMERICA (THE) R6 (GFA CL R6)",
        "value": "2141220744.12",
        "weight": "0.07094216",
        "shared": true
      },
      {
        "name": "AMCAP-R6",
        "value": "2077218087.49",
        "weight": "0.06882165",
        "shared": true
      },
      {
        "name": "AMERICAN MUTUAL FUND R6 (AMF CL R6)",
        "value": "1913013332.30",
        "weight": "0.06338128",
        "shared": false
      },
      {
        "name": "INVESTMENT COMPANY OF AMERICA (THE) R6 (ICA CL R6)",
        "value": "1736082192.32",
        "weight": "0.05751926",
        "shared": true
      },
      {
        "name": "AMERICAN BALANCED FUND R6 (AMBAL CL R6)",
        "value": "1659279364.55",
        "weight": "0.05497465",
        "shared": true
      },
      {
        "name": "NEW ECONOMY FUND (THE) R6 (NEF CL R6)",
        "value": "1486967712.32",
        "weight": "0.04926568",
        "shared": true
      },
      {
        "name": "U S GOVERNMENT SECURITIES FUND R6 (GVT CL R6)",
        "value": "1469587594.06",
        "weight": "0.04868985",
        "shared": true
      },
      {
        "name": "AMERICAN FUNDS GLOBAL INSIGHT FUND R6 (GIF R6)",
        "value": "677067220.95",
        "weight": "0.02243235",
        "shared": true
      },
      {
        "name": "EUPAC FUND CL R6 (EUPAC CL R6)",
        "value": "610918224.11",
        "weight": "0.02024072",
        "shared": true
      },
      {
        "name": "AMERICAN FUNDS GLOBAL BALANCED FUND R6 (GBAL CL R6)",
        "value": "607154938.29",
        "weight": "0.02011604",
        "shared": true
      },
      {
        "name": "AMERICAN FUNDS EMERGING MARKETS BOND FUND R6 (EMBF CL R6)",
        "value": "303358851.49",
        "weight": "0.01005078",
        "shared": false
      },
      {
        "name": "CAPITAL INCOME BUILDER R6 (CIB CL R6)",
        "value": "152334173.96",
        "weight": "0.00504708",
        "shared": false
      },
      {
        "name": "INCOME FUND OF AMERICA (THE) R6 (IFA CL R6)",
        "value": "151994975.36",
        "weight": "0.00503584",
        "shared": false
      },
      {
        "name": "AMERICAN FUNDS U.S. SMALL AND MID CAP EQUITY FUND CL R6 (SMID CL R6)",
        "value": "50318231.65",
        "weight": "0.00166713",
        "shared": true
      }
    ],
    "b_top": [
      {
        "name": "FUNDAMENTAL INVESTORS R6 (FI CL R6)",
        "value": "74344856.65",
        "weight": "0.11110833",
        "shared": true
      },
      {
        "name": "SMALLCAP WORLD FUND INC R6",
        "value": "66483654.95",
        "weight": "0.09935977",
        "shared": true
      },
      {
        "name": "CAPITAL WORLD GROWTH AND INCOME FUND R6 (WGI CL R6)",
        "value": "66257711.69",
        "weight": "0.09902210",
        "shared": true
      },
      {
        "name": "INVESTMENT COMPANY OF AMERICA (THE) R6 (ICA CL R6)",
        "value": "63081915.65",
        "weight": "0.09427588",
        "shared": true
      },
      {
        "name": "GROWTH FUND OF AMERICA (THE) R6 (GFA CL R6)",
        "value": "55487012.70",
        "weight": "0.08292530",
        "shared": true
      },
      {
        "name": "NEW PERSPECTIVE FUND R6 (NPF CL R6)",
        "value": "52978076.90",
        "weight": "0.07917570",
        "shared": true
      },
      {
        "name": "AMCAP-R6",
        "value": "37527559.53",
        "weight": "0.05608491",
        "shared": true
      },
      {
        "name": "WASHINGTON MUTUAL INVESTORS FUND R6 (WMIF CL R6)",
        "value": "36238055.01",
        "weight": "0.05415775",
        "shared": true
      },
      {
        "name": "AMERICAN FUNDS U.S. SMALL AND MID CAP EQUITY FUND CL R6 (SMID CL R6)",
        "value": "33433879.78",
        "weight": "0.04996691",
        "shared": true
      },
      {
        "name": "EUPAC FUND CL R6 (EUPAC CL R6)",
        "value": "32742310.49",
        "weight": "0.04893336",
        "shared": true
      },
      {
        "name": "NEW ECONOMY FUND (THE) R6 (NEF CL R6)",
        "value": "28767580.54",
        "weight": "0.04299313",
        "shared": true
      },
      {
        "name": "AMERICAN HIGH-INCOME TRUST R6 (AHIT CL R6)",
        "value": "23437518.94",
        "weight": "0.03502735",
        "shared": false
      },
      {
        "name": "AMERICAN FUNDS GLOBAL BALANCED FUND R6 (GBAL CL R6)",
        "value": "23308836.99",
        "weight": "0.03483504",
        "shared": true
      },
      {
        "name": "AMERICAN BALANCED FUND R6 (AMBAL CL R6)",
        "value": "23279744.87",
        "weight": "0.03479156",
        "shared": true
      },
      {
        "name": "INTERNATIONAL GROWTH AND INCOME FUND R6 (IGI CL R6)",
        "value": "22170960.79",
        "weight": "0.03313448",
        "shared": false
      },
      {
        "name": "U S GOVERNMENT SECURITIES FUND R6 (GVT CL R6)",
        "value": "15618226.52",
        "weight": "0.02334143",
        "shared": true
      },
      {
        "name": "AMERICAN FUNDS GLOBAL INSIGHT FUND R6 (GIF R6)",
        "value": "13962542.69",
        "weight": "0.02086701",
        "shared": true
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001193125-26-131234",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1380175/000119312526131234/0001193125-26-131234-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001193125-26-130940",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1547011/000119312526130940/0001193125-26-130940-index.htm"
    }
  ]
}