{
  "page": "compare",
  "query": {
    "a": "ASILX",
    "b": "FDFIX"
  },
  "retrieved_at": "2026-07-07T16:58:17+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": "AB Select US Long/Short Portfolio",
    "ticker": "ASILX",
    "slug": "ASILX",
    "series_id": "S000039195",
    "html_url": "https://fundwatcher.app/funds/ASILX/"
  },
  "fund_b": {
    "name": "Fidelity Flex 500 Index Fund",
    "ticker": "FDFIX",
    "slug": "FDFIX",
    "series_id": "S000056363",
    "html_url": "https://fundwatcher.app/funds/FDFIX/"
  },
  "overlap": {
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    "coverage_b_by_a": "0.3149448467054763750467092731",
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    "as_of": {
      "a": "2026-03-31",
      "b": "2026-02-28"
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    "a_top": [
      {
        "name": "AB Fixed Income Shares, Inc. - Government Money Market Portfolio",
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      },
      {
        "name": "NVIDIA CORP",
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      },
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        "name": "BERKSHIRE HATH-B",
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      },
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        "name": "APPLE INC",
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      {
        "name": "ALPHABET INC CL A",
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      {
        "name": "MICROSOFT CORP",
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      {
        "name": "AMAZON.COM INC",
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      },
      {
        "name": "BROADCOM INC",
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      },
      {
        "name": "EXXON MOBIL CORP",
        "value": "10956473.14",
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      {
        "name": "META PLATFORMS INC CL A",
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        "name": "VISA INC-CLASS A",
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      {
        "name": "UNION PACIFIC CORP",
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      {
        "name": "HONEYWELL INTL INC",
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        "name": "US BANCORP DEL",
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      {
        "name": "3M CO",
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        "name": "JPMORGAN CHASE and CO",
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      },
      {
        "name": "CHEVRON CORP",
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      },
      {
        "name": "LILLY ELI and CO",
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        "name": "ABBVIE INC",
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      {
        "name": "COCA-COLA CO/THE",
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      {
        "name": "PEPSICO INC",
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      },
      {
        "name": "EOG RESOURCES INC",
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      },
      {
        "name": "MCDONALDS CORP",
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      {
        "name": "APPLIED MATERIALS INC",
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      {
        "name": "WALMART INC",
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      {
        "name": "PHILIP MORRIS INTL INC",
        "value": "5202753.78",
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      {
        "name": "NETFLIX INC",
        "value": "5022972.15",
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      {
        "name": "PPL CORPORATION",
        "value": "4989875.00",
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      {
        "name": "SCHWAB CHARLES CORP",
        "value": "4966467.08",
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      {
        "name": "EATON CORP PLC",
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      {
        "name": "T-MOBILE US INC",
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      {
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      {
        "name": "WELLS FARGO & CO",
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      {
        "name": "LINDE PLC",
        "value": "4699804.80",
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      {
        "name": "MERCK & CO",
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        "name": "PROCTER & GAMBLE",
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        "name": "CITIGROUP INC",
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      {
        "name": "LOCKHEED MARTIN CORP",
        "value": "4266389.01",
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      {
        "name": "THERMO FISHER SCIENTIFIC INC",
        "value": "4240920.84",
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      {
        "name": "COSTCO WHOLESALE CORP",
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      {
        "name": "STRYKER CORP",
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        "name": "CAPITAL ONE FINANCIAL CORP",
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      {
        "name": "PARKER HANNIFIN CORP",
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        "name": "RTX CORP",
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      {
        "name": "WILLIAMS COS INC",
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      {
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        "name": "ALPHABET INC CL C",
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      {
        "name": "META PLATFORMS INC CL A",
        "value": "193218568.92",
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      {
        "name": "TESLA INC",
        "value": "154792465.68",
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      {
        "name": "BERKSHIRE HATH-B",
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      {
        "name": "LILLY ELI and CO",
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      {
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      {
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      {
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      {
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      {
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        "name": "LAM RESEARCH CORP",
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      {
        "name": "PHILIP MORRIS INTL INC",
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      {
        "name": "RTX CORP",
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        "name": "GOLDMAN SACHS GROUP INC",
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      {
        "name": "GE VERNOVA LLC",
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        "name": "INTL BUS MACH CORP",
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      {
        "name": "VERIZON COMMUNICATIONS INC",
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      {
        "name": "AMGEN INC",
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      {
        "name": "INTEL CORP",
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      {
        "name": "ABBOTT LABS",
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      {
        "name": "MORGAN STANLEY",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-051293",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/81443/000141036826051293/0001410368-26-051293-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000035402-26-002571",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/819118/000003540226002571/0000035402-26-002571-index.htm"
    }
  ]
}