{
  "page": "compare",
  "query": {
    "a": "CTDFX",
    "b": "CAAZX"
  },
  "retrieved_at": "2026-07-07T17:13:38+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 College 2039 Fund",
    "ticker": "CTDFX",
    "slug": "CTDFX",
    "series_id": "S000070453",
    "html_url": "https://fundwatcher.app/funds/CTDFX/"
  },
  "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": "0.7949971249621689087703512230",
    "coverage_b_by_a": "0.7949971249621689087703512230",
    "shared_count": 17,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-01-31"
    },
    "a_top": [
      {
        "name": "INVESTMENT COMPANY OF AMERICA (THE) R6 (ICA CL R6)",
        "value": "186849018.21",
        "weight": "0.09299368",
        "shared": true
      },
      {
        "name": "CAPITAL WORLD GROWTH AND INCOME FUND R6 (WGI CL R6)",
        "value": "181856623.76",
        "weight": "0.09050899",
        "shared": true
      },
      {
        "name": "FUNDAMENTAL INVESTORS R6 (FI CL R6)",
        "value": "166647568.21",
        "weight": "0.08293953",
        "shared": true
      },
      {
        "name": "GROWTH FUND OF AMERICA (THE) R6 (GFA CL R6)",
        "value": "143025753.64",
        "weight": "0.07118309",
        "shared": true
      },
      {
        "name": "BOND FUND OF AMERICA (THE) R6 (BFA CL R6)",
        "value": "140175355.47",
        "weight": "0.06976446",
        "shared": false
      },
      {
        "name": "WASHINGTON MUTUAL INVESTORS FUND R6 (WMIF CL R6)",
        "value": "133794758.54",
        "weight": "0.06658888",
        "shared": true
      },
      {
        "name": "SMALLCAP WORLD FUND INC R6",
        "value": "133752806.16",
        "weight": "0.06656800",
        "shared": true
      },
      {
        "name": "AMERICAN HIGH-INCOME TRUST R6 (AHIT CL R6)",
        "value": "128656650.75",
        "weight": "0.06403167",
        "shared": true
      },
      {
        "name": "AMERICAN BALANCED FUND R6 (AMBAL CL R6)",
        "value": "114050543.15",
        "weight": "0.05676230",
        "shared": true
      },
      {
        "name": "NEW PERSPECTIVE FUND R6 (NPF CL R6)",
        "value": "110903939.02",
        "weight": "0.05519625",
        "shared": true
      },
      {
        "name": "AMERICAN FUNDS MULTI-SECTOR INCOME FUND CL R6 (MSI-R6)",
        "value": "97935527.05",
        "weight": "0.04874195",
        "shared": false
      },
      {
        "name": "AMERICAN FUNDS GLOBAL BALANCED FUND R6 (GBAL CL R6)",
        "value": "86817137.10",
        "weight": "0.04320839",
        "shared": true
      },
      {
        "name": "AMCAP-R6",
        "value": "83148691.00",
        "weight": "0.04138262",
        "shared": true
      },
      {
        "name": "AMERICAN FUNDS GLOBAL INSIGHT FUND R6 (GIF R6)",
        "value": "71497610.85",
        "weight": "0.03558395",
        "shared": true
      },
      {
        "name": "NEW ECONOMY FUND (THE) R6 (NEF CL R6)",
        "value": "66328508.80",
        "weight": "0.03301132",
        "shared": true
      },
      {
        "name": "INTERNATIONAL GROWTH AND INCOME FUND R6 (IGI CL R6)",
        "value": "61449907.25",
        "weight": "0.03058326",
        "shared": true
      },
      {
        "name": "AMERICAN FUNDS U.S. SMALL AND MID CAP EQUITY FUND CL R6 (SMID CL R6)",
        "value": "60809642.82",
        "weight": "0.03026461",
        "shared": true
      },
      {
        "name": "EUPAC FUND CL R6 (EUPAC CL R6)",
        "value": "28340389.44",
        "weight": "0.01410485",
        "shared": true
      },
      {
        "name": "U S GOVERNMENT SECURITIES FUND R6 (GVT CL R6)",
        "value": "13225446.02",
        "weight": "0.00658223",
        "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": true
      },
      {
        "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": true
      },
      {
        "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": "0001193125-26-130941",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1547011/000119312526130941/0001193125-26-130941-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"
    }
  ]
}