{
  "page": "compare",
  "query": {
    "a": "QLTA",
    "b": "SPBO"
  },
  "retrieved_at": "2026-07-07T18:52:24+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": "iShares Aaa - A Rated Corporate Bond ETF",
    "ticker": "QLTA",
    "slug": "QLTA",
    "series_id": "S000035916",
    "html_url": "https://fundwatcher.app/funds/QLTA/"
  },
  "fund_b": {
    "name": "State Street(R) SPDR Portfolio Corporate Bond ETF",
    "ticker": "SPBO",
    "slug": "SPBO",
    "series_id": "S000031836",
    "html_url": "https://fundwatcher.app/funds/SPBO/"
  },
  "overlap": {
    "coverage_a_by_b": "0.3079830350723852129902593593",
    "coverage_b_by_a": "0.3079830350723852129902593593",
    "shared_count": 1504,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "BlackRock Cash Funds: Institutional, SL Agency Shares",
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      },
      {
        "name": "BlackRock Cash Funds: Treasury, SL Agency Shares",
        "value": "14940000.00",
        "weight": "0.00815146",
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      },
      {
        "name": "BROADCOM INC",
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      },
      {
        "name": "BROADCOM INC",
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      },
      {
        "name": "BROADCOM INC",
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      },
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      },
      {
        "name": "META PLATFORMS",
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      },
      {
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      },
      {
        "name": "META PLATFORMS",
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      },
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      },
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      },
      {
        "name": "PFIZER INVSTMNT",
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      },
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      },
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        "name": "WELLS FARGO CO",
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      {
        "name": "META PLATFORMS",
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      {
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      },
      {
        "name": "META PLATFORMS",
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      },
      {
        "name": "BANK OF AMER CRP",
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      },
      {
        "name": "WELLS FARGO CO",
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      },
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      },
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        "name": "MICROSOFT CORP",
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      {
        "name": "ALPHABET INC",
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      {
        "name": "GOLDMAN SACHS GP",
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        "name": "CITIGROUP INC",
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      },
      {
        "name": "PFIZER INVSTMNT",
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      },
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      },
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      {
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      {
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      },
      {
        "name": "MICROSOFT CORP",
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      {
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        "name": "GOLDMAN SACHS GP",
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        "name": "WELLS FARGO CO",
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      },
      {
        "name": "HSBC HOLDINGS",
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      },
      {
        "name": "WELLS FARGO CO",
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      {
        "name": "APPLE INC",
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      {
        "name": "GOLDMAN SACHS GP",
        "value": "1759141.05",
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      {
        "name": "ABBVIE INC",
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        "weight": "0.00095799",
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      },
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      {
        "name": "BROADCOM INC",
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      {
        "name": "GOLDMAN SACHS GP",
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        "name": "GOLDMAN SACHS GP",
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        "name": "State Street Navigator Securities Lending Portfolio II",
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        "name": "BANK OF AMER CRP",
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      {
        "name": "BANK OF AMER CRP",
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      {
        "name": "CVS HEALTH CORP SR UNSECURED 06/44 6",
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      {
        "name": "VERIZON COMM INC",
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      {
        "name": "AMGEN INC 6.4% 02/01/2039",
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      },
      {
        "name": "CITIGROUP INC",
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      {
        "name": "CITIGROUP INC",
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        "name": "WALMART INC",
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      {
        "name": "BANK OF AMER CRP",
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      },
      {
        "name": "MORGAN STANLEY",
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      },
      {
        "name": "MORGAN STANLEY",
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        "name": "AT&T INC",
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      {
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      {
        "name": "MERCK & CO INC",
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        "name": "T-MOBILE USA INC",
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      {
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        "name": "UNITEDHEALTH GRP",
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      {
        "name": "PUBLIC SERV COLO",
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        "name": "CAPITAL ONE FINL",
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        "name": "LLOYDS BK GR PLC",
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        "name": "SABINE PASS LIQU",
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      {
        "name": "ENERGY TRANS",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-031833",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1100663/000141036826031833/0001410368-26-031833-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001410368-26-055489",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1064642/000141036826055489/0001410368-26-055489-index.htm"
    }
  ]
}