257 essays 1,087 funds measured independent · not paid by any fund or issuer we cover

Fund · iShares S&P 100 ETF · measured from SEC filings

OEF holdings

OEF reports 104 holdings and behaves like 27 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
104 Positions reported
27 Effective holdings
3.8× Concentration multiple
50.74% 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: 100% at a quoted market price (level 1), 2 issuer countries.

What stands out

as of 2026-06-30

OEF's largest investment is Nvidia Corp at 10.47% of net assets. Apple Inc and Microsoft Corp follow; the three together are 25.64%. Ten companies are 50.74% of the fund; the other 94 share the rest. Among the 721 equity funds measured here, OEF behaves like 27 holdings against a median of 42.4 — 1.6 times more concentrated than the median. Across 28 quarterly filings OEF has become more concentrated: it behaved like 47.7 at 2019-09-30 and 27 at 2026-06-30. Between the 2026-03-31 and 2026-06-30 filings 3 positions were added and 1 dropped; 7.7% 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, OEF went from behaving like 47.7 equally weighted positions to 27 — 43% fewer, while its top ten went from 34.06% to 50.74% of net assets. Read across the funds on the concentration-over-time table.

PeriodHoldingsEffective Top 10Largest
2026-06-30 104 27 50.74% 10.47%
2026-03-31 102 27.1 50.56% 10.5%
2025-12-31 102 24.4 54.16% 10.71%
2025-09-30 103 23.9 53.86% 11.06%
2025-06-30 103 25.4 51.4% 10.3%
2025-03-31 103 28.4 47.89% 10.01%
2024-12-31 102 24.4 52.93% 10.77%
2024-09-30 103 25.6 50.01% 10.5%
Earlier filings (20 more, back to 2019-09-30)
PeriodHoldingsEffectiveTop 10Largest
2024-06-30 103 24.8 51.3% 10.39%
2024-03-31 103 28.7 47.19% 10.41%
2023-12-31 103 28.8 45.67% 10.4%
2023-09-30 102 30.3 44.95% 10.28%
2023-06-30 103 28.2 45.1% 11.41%
2023-03-31 103 31.7 41.24% 10.76%
2022-12-30 102 37.3 37.56% 9.31%
2022-09-30 102 32.5 42.04% 10.49%
2022-06-30 102 33.6 40.69% 9.95%
2022-03-31 103 31.1 43.92% 10.54%
2021-12-31 103 31.2 43.84% 10.25%
2021-09-30 102 34.3 42.07% 9.1%
2021-06-30 103 35.3 41.05% 8.85%
2021-03-31 103 37.1 39.72% 8.65%
2020-12-31 103 33.1 41.27% 10.09%
2020-09-30 103 31.6 41.84% 10%
2020-06-30 103 33.8 40.56% 9.06%
2020-03-31 103 38.3 38.49% 8.52%
2019-12-31 103 44.6 35.49% 7.16%
2019-09-30 103 47.7 34.06% 6.78%

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.

Largest positions, as filed

as of 2026-06-30

The 15 largest of 104 positions in OEF's Form N-PORT, weight as a share of net assets, securities-lending collateral excluded. Every position, every quarter: OEF.csv.gz.

#PositionWeightCumulative
1NVIDIA CORP10.47%10.5%
2APPLE INC9.18%19.7%
3MICROSOFT CORP5.99%25.6%
4AMAZON.COM INC5.04%30.7%
5ALPHABET INC4.53%35.2%
6BROADCOM INC3.87%39.1%
7ALPHABET INC3.61%42.7%
8MICRON TECHNOLOGY INC2.81%45.5%
9META PLATFORMS INC2.67%48.2%
10TESLA INC2.56%50.7%
11ELI LILLY & COMPANY2.05%52.8%
12ADVANCED MICRO DEVICES INC2.05%54.8%
13BERKSHIRE HATHAWAY INC1.98%56.8%
14JP MORGAN CHASE & COMPANY1.90%58.7%
15INTEL CORP1.43%60.1%

By country of issuer

as of 2026-06-30

Share of OEF'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 99.10%
Ireland° 0.90%

Returns the fund reported

2019-07 – 2026-06

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

21.4%Last twelve months filed
209%Whole series, compounded
12.8%Best month
-10.3%Worst month

Cross-checked against a series computed separately from prices: median difference 0.07 percentage points over 84 months, which is roughly the distributions. Every month with the filing it came from: OEF.json · all funds.

Who borrows OEF's shares

2025-12-31

The fund lends its holdings, and Item B.4.a of the filing names every firm holding them. At 2025-12-31, $88m was out to 1 borrower, 0.30% of net assets.

BorrowerOn loanShare of the loan
HSBC BANK PLC $88m 100.0%

Cash collateral reported against the loan: 0.31% of net assets, 103.1% 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 OEF has filed, with each borrower: OEF.json · all funds.

Since the previous filing

2026-03-31 → 2026-06-30

102 positions became 104: 3 added (0.1% of the fund at the later date), 1 dropped (0.4% at the earlier date). Half the sum of all weight changes, a turnover proxy: 7.7%. Positions are matched on identifiers, so a security whose identifier changed shows as one drop and one add. Every filing of OEF 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 INC0.94%2.81% MICROSOFT CORP6.81%5.99%
ADVANCED MICRO DEVICES INC0.82%2.05% EXXONMOBIL HOLDINGS CORP1.76%1.22%
INTEL CORP0.51%1.43% META PLATFORMS INC3.10%2.67%
APPLIED MATERIALS INC0.67%1.24% NETFLIX INC1.01%0.65%
LAM RESEARCH CORP0.66%1.17% CHEVRON CORP0.96%0.67%
ALPHABET INC4.15%4.53% WALMART INC1.35%1.07%

New: HONEYWELL AEROSPACE INC (0.15%), HONEYWELL INTERNATIONAL INC (0.00%), CHICAGO MERCANTILE EXCHANGE (0.00%). Gone: Honeywell International Inc. (0.36%).

Asset categories and pricing

as of 2026-06-30

99.93% equity, 0.07% 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 $20.04B. Notional of an interest-rate or currency swap is not equity exposure.

99.9%Stocks held directly
0%Swap notional (0)
0.1%Futures notional (1)
100%Sum, % of net assets

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 OEF (27). Same filings, same arithmetic. Position in this list says nothing about which fund is better.

FundReportsBehaves likeTop tenAs of
RWR State Street(R) SPDR(R) Dow Jones(R) REIT ETF 102 26.6 51.64% 2026-06-30
GQGU GQG US Equity ETF 34 26.6 49.85% 2026-06-30
TDIV First Trust NASDAQ Technology Dividend Index Fund 95 26.9 51.68% 2026-06-30
PIEQ Principal International Equity ETF 36 26.9 47.14% 2026-06-30
CHPY YieldMax(R) Semiconductor Portfolio Option Income ETF 56 26.9 46.87% 2026-07-31
LABU Direxion Daily S&P Biotech Bull 3X Shares 155 27.3 * 43.68% 2026-07-31
SSO ProShares Ultra S&P500 524 27.5 * 42.3% 2026-05-31
EIS iShares MSCI Israel ETF 119 27.5 51.76% 2026-05-31
FLUK Franklin FTSE United Kingdom ETF 95 27.5 49.53% 2026-06-30
VSLU Applied Finance Valuation Large Cap ETF 457 27.6 50.39% 2026-06-30

Essays that examine OEF

0

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