{
  "page": "compare",
  "query": {
    "a": "RBBCX",
    "b": "AIOAX"
  },
  "retrieved_at": "2026-07-07T17:07:14+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": "Columbia Income Builder Fund",
    "ticker": "RBBCX",
    "slug": "RBBCX",
    "series_id": "S000031347",
    "html_url": "https://fundwatcher.app/funds/RBBCX/"
  },
  "fund_b": {
    "name": "Columbia Income Opportunities Fund",
    "ticker": "AIOAX",
    "slug": "AIOAX",
    "series_id": "S000031352",
    "html_url": "https://fundwatcher.app/funds/AIOAX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.01380744865914135350889361362",
    "coverage_b_by_a": "0.01380744865914135350889361362",
    "shared_count": 1,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-01-31"
    },
    "a_top": [
      {
        "name": "COLUMBIA US GOVERNMENT MORTGAGE",
        "value": "244312664.97",
        "weight": "0.28708178",
        "shared": false
      },
      {
        "name": "Columbia High Yield Bond Fund",
        "value": "76350823.15",
        "weight": "0.08971672",
        "shared": false
      },
      {
        "name": "COLUMBIA DIVIDEND OPPORTUNITY FUND",
        "value": "68913407.78",
        "weight": "0.08097732",
        "shared": false
      },
      {
        "name": "Columbia Emerging Markets Bond Fund",
        "value": "59675688.38",
        "weight": "0.07012245",
        "shared": false
      },
      {
        "name": "COLUMBIA FLOATING RATE FUND",
        "value": "58907464.34",
        "weight": "0.06921974",
        "shared": false
      },
      {
        "name": "Columbia International Dividend Income Fund",
        "value": "51638414.68",
        "weight": "0.06067818",
        "shared": false
      },
      {
        "name": "COLUMBIA DIVIDEND INCOME FUND",
        "value": "51471458.57",
        "weight": "0.06048200",
        "shared": false
      },
      {
        "name": "COLUMBIA SELECT CORPORATE INCOME FUND",
        "value": "46688540.68",
        "weight": "0.05486179",
        "shared": false
      },
      {
        "name": "COLUMBIA MORTGAGE OPPORTUNITIES",
        "value": "42591728.00",
        "weight": "0.05004779",
        "shared": false
      },
      {
        "name": "COLUMBIA SHORT DURATION BOND ETF",
        "value": "40915417.00",
        "weight": "0.04807803",
        "shared": false
      },
      {
        "name": "COLUMBIA DIVERSIFIED FIXED INCOME ALLOCATION ETF",
        "value": "30162329.34",
        "weight": "0.03544251",
        "shared": false
      },
      {
        "name": "COLUMBIA SMALL CAP VALUE DISCOVERY FUND",
        "value": "25336845.02",
        "weight": "0.02977229",
        "shared": false
      },
      {
        "name": "COLUMBIA REAL ESTATE EQUITY FUND",
        "value": "17104166.70",
        "weight": "0.02009840",
        "shared": false
      },
      {
        "name": "COLUMBIA FUNDS SERIES TRUST - CO",
        "value": "16877305.98",
        "weight": "0.01983183",
        "shared": false
      },
      {
        "name": "COLUMBIA ETF TRUST I COLUMBIA SHORT DURATION HIGH YIELD ETF",
        "value": "16264789.60",
        "weight": "0.01911209",
        "shared": true
      },
      {
        "name": "Columbia US Treasury Index Fund",
        "value": "3810090.99",
        "weight": "0.00447708",
        "shared": false
      },
      {
        "name": "COLUMBIA GOVERNMENT MONEY MARKET FUND",
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        "weight": "0.00000000",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "COLUMBIA SHORT TERM CASH FUND",
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        "shared": false
      },
      {
        "name": "COLUMBIA ETF TRUST I COLUMBIA SHORT DURATION HIGH YIELD ETF",
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      },
      {
        "name": "HUB International Ltd.",
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      {
        "name": "Cloud Software Group, Inc.",
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      {
        "name": "CCO Holdings LLC / CCO Holdings Capital Corp",
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      },
      {
        "name": "HUDBAY MINERALS INC REGD 144A P/P 6.12500000",
        "value": "4357982.91",
        "weight": "0.00609368",
        "shared": false
      },
      {
        "name": "TRANSDIGM INC SR SECURED 144A 03/32 6.625",
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      {
        "name": "HRI 7.25 06/15/33 144A",
        "value": "3987523.98",
        "weight": "0.00557567",
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      {
        "name": "Venture Global Plaquemines LNG, LLC",
        "value": "3937175.76",
        "weight": "0.00550527",
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      {
        "name": "T/L ASCEND LEARNING LLC REGD 0.00000000",
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      },
      {
        "name": "RCAP 10 08/15/30 144A",
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      {
        "name": "EchoStar Corp",
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      {
        "name": "DISH Network Corp",
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        "weight": "0.00529230",
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      {
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      {
        "name": "ZF North America Capital Inc 6.88 04/23/2032",
        "value": "3696992.94",
        "weight": "0.00516943",
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      },
      {
        "name": "Watco Cos LLC / Watco Finance Corp",
        "value": "3667897.17",
        "weight": "0.00512874",
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      {
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        "value": "3638514.08",
        "weight": "0.00508766",
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      {
        "name": "Caesars Entertainment Inc",
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        "weight": "0.00503958",
        "shared": false
      },
      {
        "name": "XPLR INFRASTRUCTURE LP REGD 144A P/P CONVERTIBLE 2.50000000",
        "value": "3579665.63",
        "weight": "0.00500537",
        "shared": false
      },
      {
        "name": "TERRAFORM POWER OPERATIN REGD 144A P/P 5.00000000",
        "value": "3566457.39",
        "weight": "0.00498690",
        "shared": false
      },
      {
        "name": "SNAP INC REGD 144A P/P 6.87500000",
        "value": "3558017.04",
        "weight": "0.00497510",
        "shared": false
      },
      {
        "name": "Six Flags Operations Inc.",
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        "weight": "0.00491034",
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      {
        "name": "TransDigm, Inc.",
        "value": "3508158.34",
        "weight": "0.00490539",
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      {
        "name": "ARDONAGH FINCO LTD REGD 144A P/P 7.75000000",
        "value": "3494560.49",
        "weight": "0.00488637",
        "shared": false
      },
      {
        "name": "EMRLD Borrower L.P./ Emerald Co-Issuer Inc.",
        "value": "3491398.09",
        "weight": "0.00488195",
        "shared": false
      },
      {
        "name": "ROCKET MTGE. LLC / 4.00%",
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        "weight": "0.00487957",
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      {
        "name": "SM Energy Company",
        "value": "3478431.47",
        "weight": "0.00486382",
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      {
        "name": "DKL 8.625 03/15/29 144A",
        "value": "3462584.90",
        "weight": "0.00484166",
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      },
      {
        "name": "NCR Atleos Corp",
        "value": "3446518.94",
        "weight": "0.00481920",
        "shared": false
      },
      {
        "name": "CNXMPF 4.75 04/15/30 144A",
        "value": "3403300.11",
        "weight": "0.00475876",
        "shared": false
      },
      {
        "name": "SIRIUS XM RADIO LLC REGD 144A P/P 4.12500000",
        "value": "3359006.70",
        "weight": "0.00469683",
        "shared": false
      },
      {
        "name": "APLD COMPUTECO LLC SR SECURED 144A 12/30 9.25",
        "value": "3295442.61",
        "weight": "0.00460795",
        "shared": false
      },
      {
        "name": "ALLIANT HOLDINGS INTERMEDIATE SR SECURED 144A 04/28 6.75",
        "value": "3286167.20",
        "weight": "0.00459498",
        "shared": false
      },
      {
        "name": "1261229 BC Ltd",
        "value": "3277167.73",
        "weight": "0.00458240",
        "shared": false
      },
      {
        "name": "GRIFOLS SA REGD 144A P/P 4.75000000",
        "value": "3273049.46",
        "weight": "0.00457664",
        "shared": false
      },
      {
        "name": "THC 5 1/2 11/15/32",
        "value": "3272996.18",
        "weight": "0.00457656",
        "shared": false
      },
      {
        "name": "American Airlines Inc/AAdvantage Loyalty IP Ltd",
        "value": "3216101.96",
        "weight": "0.00449701",
        "shared": false
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      {
        "name": "ENTG 5.95 06/15/30 144A",
        "value": "3190536.00",
        "weight": "0.00446126",
        "shared": false
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      {
        "name": "Provident Funding Associates L.P./ PFG Finance Corp.",
        "value": "3158403.39",
        "weight": "0.00441633",
        "shared": false
      },
      {
        "name": "NUSTAR LOGISTICS LP SR UNSEC 5.625% 04-28-27",
        "value": "3084255.51",
        "weight": "0.00431265",
        "shared": false
      },
      {
        "name": "KALU 4.5 06/01/31 144A",
        "value": "3075211.69",
        "weight": "0.00430000",
        "shared": false
      },
      {
        "name": "CORPBOND",
        "value": "2950130.35",
        "weight": "0.00412511",
        "shared": false
      },
      {
        "name": "SYNH 9 10/01/30 144A",
        "value": "2922794.18",
        "weight": "0.00408688",
        "shared": false
      },
      {
        "name": "Medline Borrower, L.P.",
        "value": "2898752.87",
        "weight": "0.00405327",
        "shared": false
      },
      {
        "name": "Carnival Corp.",
        "value": "2872570.91",
        "weight": "0.00401666",
        "shared": false
      },
      {
        "name": "SCIENTIFIC GAMES HOLDINGS LP/SCIENTIFIC GAMES US FINCO INC 6.625% 03/01/2030 144A",
        "value": "2869644.23",
        "weight": "0.00401256",
        "shared": false
      },
      {
        "name": "WR GRACE HOLDINGS LLC SR SECURED 144A 08/32 6.625",
        "value": "2859029.66",
        "weight": "0.00399772",
        "shared": false
      },
      {
        "name": "SUN V7.875 PERP 144A",
        "value": "2849156.90",
        "weight": "0.00398392",
        "shared": false
      },
      {
        "name": "MATCH GROUP II",
        "value": "2842424.79",
        "weight": "0.00397450",
        "shared": false
      },
      {
        "name": "HEALTHEQUITY INC REGD 144A P/P 4.50000000",
        "value": "2832806.97",
        "weight": "0.00396106",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-033303",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1352280/000141036826033303/0001410368-26-033303-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001410368-26-033336",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1352280/000141036826033336/0001410368-26-033336-index.htm"
    }
  ]
}