Immutable verification record

iShares Core S&P 500 ETF

Run 7f35c13d-dab5-4663-b04b-b5d91b2d68a2 · portfolio period 2026-03-31 · captured 2026-07-27T02:24:38.043Z

This is the permanent record of what our July 27, 2026 data run computed for iShares Core S&P 500 ETF, and the exact SEC documents every number came from — it exists so anyone can check us.

Current interpretation · methodology 1.5

How to read this prior-run record now

This fund holds essentially the same portfolio as Vanguard 500 Index Fund but charges $30 a year per $100,000 instead of $10 — about $1,007 more over 20 years.

This interpretation is computed under the current methodology and is not inserted into the immutable record below.

Cite these figures

Each snippet includes the figure’s source-event date and immutable verification URL.

IVV filed expense ratio

Sensible Investor, “iShares Core S&P 500 ETF — filed expense ratio,” 0.03% for IVV, as of 2025-03-31. https://sensible-investor.com/registry/ivv/as-of/7f35c13d-dab5-4663-b04b-b5d91b2d68a2

Holdings difference for every other comparison calculated in this run; a benchmark proxy is not compared with itself.
Index	Active share	Holdings evidence	Identifier match
the Russell 1000 index	7.5%	measured against the filed holdings of iShares Russell 1000 ETF (IWB), as of 2026-03-31	99.6%
the total US market	11.6%	measured against the filed holdings of Vanguard Total Stock Market ETF (VTI), as of 2026-03-31	99.9%
the Russell 1000 Growth index	42.3%	measured against the filed holdings of iShares Russell 1000 Growth ETF (IWF), as of 2026-03-31	65.5%
the Russell 1000 Value index	45.5%	measured against the filed holdings of iShares Russell 1000 Value ETF (IWD), as of 2026-03-31	62.0%
the Russell 2000 index	100.0%	measured against the filed holdings of iShares Russell 2000 ETF (IWM), as of 2026-03-31	0.0%
the S&P SmallCap 600	100.0%	measured against the filed holdings of iShares Core S&P Small-Cap ETF (IJR), as of 2026-03-31	0.0%
the S&P MidCap 400	100.0%	measured against the filed holdings of iShares Core S&P Mid-Cap ETF (IJH), as of 2026-03-31	0.0%

Filed expense ratios by share class

Each fee is tied to its filed SEC source and period.
Share class	Expense ratio	Filing period	SEC document
IVV (iShares Core S&P 500 ETF)	0.03%	2025-03-31	Open SEC expense filing

Match rates

How much of the fund filing could be matched to comparison holdings. A benchmark proxy is not compared with itself.
Fund identifier match	100.0%
the Russell 1000 index	99.6%
the total US market	99.9%
the Russell 1000 Growth index	65.5%
the Russell 1000 Value index	62.0%
the Russell 2000 index	0.0%
the S&P SmallCap 600	0.0%
the S&P MidCap 400	0.0%

Fee-drag windows

Dollar fee drag from licensed return windows; the lowest-cost control class is omitted rather than compared with itself, and missing history remains explicit.
Share class	Window	Fee drag	Window dates
IVV	10 years	$1,049	2016-07-25 to 2026-07-24
IVV	20 years	$4,564	2006-07-24 to 2026-07-24
IVV	30 years	proxy history begins 2000 — no full 30-year window	Proxy history begins 2000-05-19

Check it yourself

Open the fund’s linked SEC holdings filing and, for fees, the linked SEC expense filing in the table above.
Find each security identifier and portfolio weight in the holdings filing, and the net annual operating expense for the relevant share class in its expense filing.
Recalculate the comparison using the active-share formula and portfolio rules.

Raw record (JSON)

Download this record as JSON

{
  "runId": "7f35c13d-dab5-4663-b04b-b5d91b2d68a2",
  "capturedAt": "2026-07-27T02:24:38.043Z",
  "methodologyVersion": "closet-index@1.0.0",
  "cohortVersion": "cohort-v1@2026-07-26",
  "cohortRank": 4,
  "seriesId": "S000004310",
  "cik": 1100663,
  "seriesName": "iShares Core S&P 500 ETF",
  "classes": [
    {
      "classId": "C000012040",
      "ticker": "IVV",
      "netExpenseRatio": 0.0003,
      "expensePeriod": "2025-03-31",
      "sourceAccession": "0001193125-25-162603",
      "sourceUrl": "https://www.sec.gov/Archives/edgar/data/1100663/000119312525162603/0001193125-25-162603-index.html",
      "missingReason": null
    }
  ],
  "fundFiling": {
    "cik": 1100663,
    "seriesId": "S000004310",
    "accession": "0002071691-26-012459",
    "filingDate": "2026-05-28",
    "periodOfReport": "2026-03-31",
    "primaryDocumentUrl": "https://www.sec.gov/Archives/edgar/data/1100663/000207169126012459/primary_doc.xml"
  },
  "proxyPeriods": {
    "IVV": {
      "periodOfReport": "2026-03-31",
      "accession": "0002071691-26-012459",
      "filingDate": "2026-05-28"
    },
    "IWB": {
      "periodOfReport": "2026-03-31",
      "accession": "0001004726-26-003726",
      "filingDate": "2026-05-22"
    },
    "IWF": {
      "periodOfReport": "2026-03-31",
      "accession": "0001004726-26-003755",
      "filingDate": "2026-05-22"
    },
    "IWD": {
      "periodOfReport": "2026-03-31",
      "accession": "0001004726-26-003757",
      "filingDate": "2026-05-22"
    },
    "IJH": {
      "periodOfReport": "2026-03-31",
      "accession": "0000940400-26-020794",
      "filingDate": "2026-05-26"
    },
    "IJR": {
      "periodOfReport": "2026-03-31",
      "accession": "0000940400-26-020784",
      "filingDate": "2026-05-26"
    },
    "IWM": {
      "periodOfReport": "2026-03-31",
      "accession": "0002071691-26-012507",
      "filingDate": "2026-05-28"
    },
    "VTI": {
      "periodOfReport": "2026-03-31",
      "accession": "0000036405-26-000323",
      "filingDate": "2026-05-28"
    }
  },
  "bestFitProxy": "IVV",
  "declaredBenchmarkName": null,
  "declaredBenchmarkPeriod": null,
  "declaredBenchmarkAccession": null,
  "declaredBenchmarkSourceUrl": null,
  "declaredProxy": null,
  "benchmarkMismatch": "not-filed",
  "identifierMatchRate": 1.0000000000000004,
  "reviewRequired": false,
  "reviewReason": null,
  "feeDragBaselineExpenseRatio": 0,
  "feeDragByClass": [
    {
      "classId": "C000012040",
      "projections": [
        {
          "horizonYears": 10,
          "fundEndingValue": 162424.66212673276,
          "baselineEndingValue": 162889.46267774422,
          "feeDragVsBaseline": 464.8005510114599
        },
        {
          "horizonYears": 20,
          "fundEndingValue": 263817.708669833,
          "baselineEndingValue": 265329.77051444224,
          "feeDragVsBaseline": 1512.0618446092121
        },
        {
          "horizonYears": 30,
          "fundEndingValue": 428505.0219374645,
          "baselineEndingValue": 432194.2375150668,
          "feeDragVsBaseline": 3689.2155776023283
        }
      ]
    }
  ],
  "licensedReturnMetrics": {
    "provenance": "Computed on licensed market-return history",
    "computedAt": "2026-07-27T02:24:38.043Z",
    "proxy": "IVV",
    "proxyReturnBasis": "total",
    "feeDragByClass": [
      {
        "classId": "C000012040",
        "windows": [
          {
            "horizonYears": 10,
            "windowStart": "2016-07-25",
            "windowEnd": "2026-07-24",
            "proxyHistoryStart": "2000-05-19",
            "annualizedProxyReturn": 0.1495374149835218,
            "fundEndingValue": 401663.0449314625,
            "baselineEndingValue": 402712.3792991212,
            "feeDragVsBaseline": 1049.33436765871,
            "missingReason": null
          },
          {
            "horizonYears": 20,
            "windowStart": "2006-07-24",
            "windowEnd": "2026-07-24",
            "proxyHistoryStart": "2000-05-19",
            "annualizedProxyReturn": 0.11284412129222865,
            "fundEndingValue": 844041.6676354541,
            "baselineEndingValue": 848605.3955189744,
            "feeDragVsBaseline": 4563.727883520303,
            "missingReason": null
          },
          {
            "horizonYears": 30,
            "windowStart": null,
            "windowEnd": "2026-07-24",
            "proxyHistoryStart": "2000-05-19",
            "annualizedProxyReturn": null,
            "fundEndingValue": null,
            "baselineEndingValue": null,
            "feeDragVsBaseline": null,
            "missingReason": "proxy history begins 2000 — no full 30-year window"
          }
        ],
        "missingReason": null
      }
    ],
    "trackingDifferenceByClass": [
      {
        "classId": "C000012040",
        "ticker": "IVV",
        "windows": null,
        "missingReason": "fund NAV history unavailable for IVV"
      }
    ]
  },
  "filterStats": {
    "total": 507,
    "keptLongCommonEquity": 503,
    "droppedAssetCategory": {
      "STIV": 3,
      "DE": 1
    },
    "droppedPayoffProfile": 0,
    "droppedNonPositivePct": 0
  },
  "publishable": true,
  "feePerActiveUnitDisplay": "Replaced by the computed index-premium verdict.",
  "activeShareDisplay": "benchmark proxy for this registry"
}