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Fund · iShares Core S&P Total U.S. Stock Market ETF · measured from SEC filings

ITOT holdings

ITOT reports 2,501 holdings and behaves like 66 equally weighted ones, computed from its SEC Form N-PORT filing for 2026-06-30. The fact sheet publishes the first number; this page computes the second, and traces it across 28 quarters of filings.

Measured concentration

as of 2026-06-30

Read this figure with the following in mind

1.5% of net assets is securities-lending cash collateral, excluded from the figure; counted as filed the fund would read 65.0

The figure below is what the filing says, published unchanged. What it may not do is sit beside a plain long-only fund and be read as the same quantity. How comparability is decided.

2,501 Positions reported
66 Effective holdings
37.9× Concentration multiple
32.12% Top ten weight

Computed by this site from the fund's SEC Form N-PORT filing; what the measure does not tell you · every fund in one table · hold it with other funds? X-ray the mix. Pricing: 99.99% at a quoted market price (level 1), 13 issuer countries.

What stands out

as of 2026-06-30

ITOT's largest investment is Nvidia Corp at 6.63% of net assets. Apple Inc and Microsoft Corp follow; the three together are 16.22%. Ten companies are 32.12% of the fund; the other 2,491 share the rest. Among the 721 equity funds measured here, ITOT behaves like 66 holdings against a median of 42.4 — 1.6 times the median. Across 28 quarterly filings ITOT has become more concentrated: it behaved like 159.9 at 2019-09-30 and 66 at 2026-06-30. Between the 2026-03-31 and 2026-06-30 filings 64 positions were added and 55 dropped; 9.0% of the weight moved.

Each sentence is read from the fund's own SEC filing; the class median is computed across the comparable equity funds on this site. Nothing here is a view on the fund.

Every filing since 2019

28

Between 2019-09-30 and 2026-06-30, ITOT went from behaving like 159.9 equally weighted positions to 66 — 59% fewer, while its top ten went from 17.96% to 32.12% of net assets. Read across the funds on the concentration-over-time table.

PeriodHoldingsEffective Top 10Largest
2026-06-30 2,501 66 32.12% 6.63%
2026-03-31 2,491 65.5 32.23% 6.69%
2025-12-31 2,496 58.5 34.66% 6.85%
2025-09-30 2,488 58.5 34.14% 7.01%
2025-06-30 2,460 63.8 32.09% 6.43%
2025-03-31 2,452 73.4 29.44% 6.15%
2024-12-31 2,513 63.5 32.49% 6.61%
2024-09-30 2,548 68.8 30.15% 6.33%
Earlier filings (20 more, back to 2019-09-30)
PeriodHoldingsEffectiveTop 10Largest
2024-06-30 2,521 65.4 31.22% 6.32%
2024-03-31 2,512 80.5 27.77% 6.13%
2023-12-31 2,639 83.1 26.48% 6.03%
2023-09-30 2,803 87.3 26.05% 5.96%
2023-06-30 3,294 82.3 26.04% 6.58%
2023-03-31 3,330 96.5 23.23% 6.06%
2022-12-31 3,384 118.3 20.61% 5.11%
2022-09-30 3,370 101.5 23.34% 5.83%
2022-06-30 3,654 103.3 22.78% 5.57%
2022-03-31 3,659 95.4 24.64% 5.91%
2021-12-31 3,678 97.7 24.33% 5.69%
2021-09-30 3,705 110.8 22.94% 4.96%
2021-06-30 3,643 113.7 22.43% 4.83%
2021-03-31 3,621 121.3 21.52% 4.68%
2020-12-31 3,600 107 22.47% 5.5%
2020-09-30 3,586 98.5 23.16% 5.53%
2020-06-30 3,588 103.6 22.66% 5.06%
2020-03-31 3,640 115.5 21.6% 4.78%
2019-12-31 3,689 146.9 18.97% 3.83%
2019-09-30 3,588 159.9 17.96% 3.58%

One row per filed reporting period, newest first, read from EDGAR. Quarterly because that is the public filing cadence. Rows marked * are published but held out of the comparison above; the methodology page says when and why.

Overlap with other funds

19

Measured against every other fund on this site, from the same filings. Combined effective holdings is how the pair behaves held in equal size.

WithOverlapSharedCombined effective
ITOT vs VTI 95.07% 1,890 66.6
ITOT vs IVV 88.27% 505 58.1
ITOT vs VOO 85.66% 475 58.2
ITOT vs VT 58.62% 1,370 97.6
ITOT vs VUG 51.54% 143 33.9
ITOT vs QQQ 47.66% 91 49.2
ITOT vs QQQM 47.3% 90 46.7
ITOT vs VTV 36.9% 289 120.4
ITOT vs VIG 36.39% 310 81.5
ITOT vs VGT 34.8% 257 29.7
9 more pairs, down to 0% overlap
WithOverlapSharedCombined effective
ITOT vs XLK 33.53% 74 31.5
ITOT vs SMH 17.15% 21 33.1
ITOT vs SCHD 7% 93 78.5
ITOT vs AGG 0.17% 1 234.9
ITOT vs SGOV 0.17% 1 54.4
ITOT vs VEA 0.11% 4 206.8
ITOT vs VXUS 0.11% 4 213.4
ITOT vs BND 0% 0 245.4
ITOT vs VWO 0% 1 101.1

As filed, collateral included

1.54% collateral

ITOT's filing lists 2,502 positions including 1.54% of net assets in securities-lending cash collateral. Counted as filed the fund reads 65 effective holdings with a top ten of 32.1%; on its own investments — the figure above — it reads 66 with a top ten of 32.12%. The collateral is matched by a liability and is not a holding the fund chose; since 2026-09-18 every figure on this site sets it aside (methodology). Both numbers are in the data.

Largest positions, as filed

as of 2026-06-30

The 15 largest of 2,501 positions in ITOT's Form N-PORT, weight as a share of net assets, securities-lending collateral excluded. Every position, every quarter: listed with the point-in-time files, available on request.

#PositionWeightCumulative
1NVIDIA Corp.6.63%6.6%
2Apple, Inc.5.81%12.4%
3Microsoft Corp.3.79%16.2%
4Amazon.com, Inc.3.19%19.4%
5Alphabet, Inc.2.86%22.3%
6Broadcom, Inc.2.45%24.7%
7Alphabet, Inc.2.29%27.0%
8Micron Technology, Inc.1.78%28.8%
9Meta Platforms, Inc.1.69%30.5%
10Tesla, Inc.1.62%32.1%
11Eli Lilly & Co.1.30%33.4%
12Advanced Micro Devices, Inc.1.30%34.7%
13Berkshire Hathaway, Inc.1.25%36.0%
14JPMorgan Chase & Co.1.20%37.2%
15Intel Corp.0.90%38.1%

By country of issuer

as of 2026-06-30

Share of ITOT's own investments by the issuer country the filer reported (incorporation, not revenue). Each country links to every fund that holds it.

CountryShare
United States 96.71%
Ireland° 1.88%
Switzerland 0.29%
Bermuda° 0.26%
Cayman Islands° 0.16%
Netherlands° 0.14%
Liberia° 0.11%
United Kingdom 0.10%

Returns the fund reported

2019-07 – 2026-06

Monthly total returns from Item B.5 of ITOT's own filings, 84 months on record. Not computed here and not from a price feed.

23.1%Last twelve months filed
173%Whole series, compounded
13.3%Best month
-13.8%Worst month

Cross-checked against a series computed separately from prices: median difference 0.04 percentage points over 84 months, which is roughly the distributions. Every month with the filing it came from: ITOT.json · all funds.

Who borrows ITOT's shares

2026-06-30

The fund lends its holdings, and Item B.4.a of the filing names every firm holding them. At 2026-06-30, $1.5bn was out to 31 borrowers, 1.56% of net assets. The largest, JP MORGAN SECURITIES LLC, held 22% of it.

BorrowerOn loanShare of the loan
JP MORGAN SECURITIES LLC $323m 22.0%
BNP PARIBAS PRIME BROKERAGE INTERNATIONAL LIMITED $166m 11.3%
CITIGROUP GLOBAL MARKETS INC. $163m 11.1%
MORGAN STANLEY & CO LLC $109m 7.4%
GOLDMAN SACHS INTERNATIONAL $91m 6.2%

Cash collateral reported against the loan: 1.54% of net assets, 98.5% of the amount lent. That is a floor on the collateral, not the whole of it — collateral the fund does not hold as a position is not in this filing, so a figure under 100% is not evidence of under-collateralisation. How that figure behaves across all funds. Every quarter ITOT has filed, with each borrower: ITOT.json · all funds.

Since the previous filing

2026-03-31 → 2026-06-30

2,478 positions became 2,487: 64 added (0.6% of the fund at the later date), 55 dropped (0.5% at the earlier date). Half the sum of all weight changes, a turnover proxy: 9.0%. Positions are matched on identifiers, so a security whose identifier changed shows as one drop and one add. Every filing of ITOT compared this way, as a feed: changes.xml · all funds: filings received.

Largest increases2026-03-312026-06-30Largest decreases2026-03-312026-06-30
Micron Technology, Inc.0.60%1.78% Microsoft Corp.4.34%3.79%
Advanced Micro Devices, Inc.0.52%1.30% Exxon Mobil Corp.1.12%0.78%
Intel Corp.0.33%0.90% Meta Platforms, Inc.1.98%1.69%
Applied Materials, Inc.0.43%0.78% Netflix, Inc.0.64%0.41%
Lam Research Corp.0.42%0.74% Chevron Corp.0.61%0.42%
Sandisk Corp.0.15%0.46% Walmart, Inc.0.86%0.68%

New: Space Exploration Technologies Corp. (0.14%), Honeywell International, Inc. (0.10%), Honeywell Aerospace, Inc. (0.10%), Carnival Corp. Ltd. (0.05%), Sunbelt Rentals Holdings, Inc. (0.04%), DuPont de Nemours, Inc. (0.03%). Gone: Honeywell International, Inc. (0.23%), Carnival Corp. (0.05%), Coterra Energy, Inc. (0.04%), DuPont de Nemours, Inc. (0.03%), Hologic, Inc. (0.03%), Masimo Corp. (0.01%).

Asset categories and pricing

as of 2026-06-30

98.31% equity, 1.69% short-term investment as filed; 100.0% carried at a quoted market price (fair-value level 1). Categories and levels are the filer's; what a low level-1 share does and does not mean is in the measure's page.

Derivative exposure and counterparties

as of 2026-06-30

A position count cannot describe a fund that uses derivatives, because a swap is filed at its unrealised gain, not its exposure. These are the notionals the fund itself reported, against net assets of $94.14B. Notional of an interest-rate or currency swap is not equity exposure.

99.77%Stocks held directly
0%Swap notional (0)
0.2%Futures notional (2)
100%Sum, % of net assets

1 option positions filed, 0 of them written. The book as filed:

TypeSideStrikeExpiryUnderlying
CallPurchased172026-11-20as filed, not named

Full detail for every fund that files derivatives: leverage.json (CC BY 4.0).

Neighbours by effective holdings, equity funds

10

Every measured equity fund lined up by how many holdings it behaves like; these sit either side of ITOT (66). Same filings, same arithmetic. Position in this list says nothing about which fund is better.

FundReportsBehaves likeTop tenAs of
PBW Invesco WilderHill Clean Energy ETF 69 64.2 21.39% 2026-04-30
DFEM Dimensional Emerging Markets Core Equity 2 ETF 6,690 64.3 24.28% 2026-07-31
MGV Vanguard Mega Cap Value Index Fund 125 64.5 28.31% 2026-05-31
IDMO Invesco S&P International Developed Momentum ETF 192 65.2 29.14% 2026-07-31
DIVB iShares Core Dividend ETF 384 65.4 30.3% 2026-07-31
FLIN Franklin FTSE India ETF 279 66.1 30.17% 2026-06-30
NFRA FlexShares STOXX Global Broad Infrastructure Index Fund 200 66.9 28.61% 2026-07-31
VTI Vanguard Total Stock Market Index Fund 3,539 67 32.02% 2026-06-30
IWV iShares Russell 3000 ETF 2,595 67.1 32.01% 2026-06-30
JHEM John Hancock Multifactor Emerging Markets ETF 954 67.5 28.17% 2026-06-30

Measures applied in the essays

4

On video

4

The same filings read aloud in under a minute. Links open YouTube; nothing from it loads on this page.

Essays that examine ITOT

5

Mentions are detected across the full text of every article, so an appearance may be a passing comparison rather than the subject. Nothing here is a recommendation to buy or sell — see the disclaimer.