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OEF
Passive ETF
NYSE

iShares S&P 100 ETF

The iShares S&P 100 ETF (OEF) seeks to track the performance of the S&P 100 Index, which represents the largest and most established U.S. companies—blue-chip names drawn from the broader S&P 500. As of March 2025, this index covered roughly 50% of U.S. market capitalization, emphasizing giants in technology, healthcare, and consumer sectors. Managed by BlackRock Fund Advisors (BFA), OEF uses a representative sampling strategy, holding a diversified selection of securities that closely mirrors the index’s characteristics without necessarily owning every constituent. The fund typically invests at least 80% of assets in index components, with the remainder allocated to derivatives...

Passive ETF
Last update 3/11/2026 at 1:30 PM
Live
Closed
This fund is part of
US Large Cap
-0.2%
Last Price
$333.38
% Change
-0.07%
1W flows
+$67M
1m flows
+$301M
AuM
$28.58B
E/R
0.2%
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Trading data

Last sale
3/11/2026 at 1:30 PM
$333.38
Previous close
$333.60
Consolidated volume
03/10/2026
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Average volume
30 days
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Average discount or premium
30 days
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Average Bid/Ask spread
30 days
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OEF performance and flow charts

Performance

-3.5-3.0-2.5-2.0-1.5-1.0-0.50.0%Feb 10Feb 12Feb 17Feb 19Feb 23Feb 26Mar 2Mar 4Mar 6Mar 10

Flows

0 M50 M100 M150 M200 M250 M300 M350 M

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Daily, global ETF data for advanced analysis or integration into apps (API), from our partner Trackinsight.

Historic performance and flows

Data as of March 10, 2026
1M3MYTD1Y3Y5Y
Perf.-2.44%-3.22%-2.73%+23.63%+98.02%+99.83%
Flows+$301M+$407M+$200M+$8.02B+$12.81B+$13.13B
Data as of March 10, 2026

Volatility and drawdown

3M1Y3Y5Y
Volatility+12.07%+19.24%+15.80%+17.65%
Max drawdown
-4.55%-14.24%-19.77%-26.44%
Max drawdown duration
75d45d126d696d
Time to recover
N/A32d79d415d

Replication quality

Data as of February 27, 2026
1-year trailing difference

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Tracking error
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Tracking difference
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1 year cumulative return difference
Best
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Worst
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daily return difference
Average
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Worst
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Exposure

Data as of January 31, 2026

Countries

USA
98.75%
Other
1.25%

Sectors

Information Technology
40.74%
Communication Services
14.7%
Consumer Discretionary
11.16%
Health Care
9.06%
Financials
8.99%
Other
15.34%

Diversification

Total weight of top 15 holdings out of 102

61.62%

Top 15 Holdings

NVIDIA
11.01%
APPLE
8.99%
MICROSOFT-T
7.59%
AMAZON.COM INC
5.54%
ALPHABET INC-CL
4.63%
META PLATFORMS
3.79%
ALPHABET INC-CL
3.71%
BROADCOM LIMITED
3.68%
TESLA
2.76%
BERKSHIRE HATHWAY
2.06%
JPMORGAN CHASE
1.96%
LILLY
1.91%
EXXON
1.4%
VISA INCORPORATION
1.32%
JOHNSON&JOHNSON
1.29%

Characteristics

The iShares S&P 100 ETF is built to track the S&P 100 Total Return Index - USD. This ETF provides physical exposure - by owning its shares you earn the return of the securities composing the index (as the ETF holds them directly).

This share class generates a stream of income by distributing dividends.

Management strategyPassive
ProvideriShares
N° of holdings102
Replication methodDirect (Physical)
Asset classEquities
Dividend policyDistributing
Trailing 12m distribution yield
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Inception dateOctober 23, 2000
ESGNo

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Frequently asked questions about OEF

What type of ETF is OEF?

OEF is a Passive ETF that provides exposure to Equity assets. It is managed by iShares.

What index does OEF track?

OEF tracks the S&P 100 Total Return Index - USD, aiming to replicate its performance through full replication.

What does OEF invest in?

This ETF provides exposure to Large Cap US Equities. It is part of the segment: US Large Cap.

What is the expense ratio of OEF?

The total expense ratio (TER) of OEF is 0.2%, representing the annual fee charged by the fund manager.

When was OEF launched?

OEF was launched on October 23, 2000, marking its entry into the ETF market.

Who is the issuer of OEF?

OEF is issued by iShares.

What is the AUM of OEF?

As of March 10, 2026, OEF manages $28.58 B, reflecting the total assets held in the fund.

How has OEF performed recently?

As of March 10, 2026, OEF delivered a return of -2.44% over the past month (1M performance), -3.22% over the past three months (3M), and -2.73% year-to-date (YTD).

What are the recent fund flows for OEF?

As of March 10, 2026, OEF has seen net flows of +$301M in the past month (1M flow) and +$200M year-to-date (YTD).

Does OEF pay dividends?

As of March 10, 2026, OEF has a trailing 12-month distribution yield of 0.83%.

How many holdings are in OEF

As of January 31, 2026, OEF holds 102 securities in its portfolio. This level of diversification can influence the fund’s risk profile and exposure to individual assets.

How diversified is OEF?

As of January 31, 2026, OEF holds 102 securities, with 61.62% of its assets concentrated in its top 15 holdings.

What are the top holdings of OEF?

As of January 31, 2026, OEF holds a portfolio of 102 underlyings, with its largest positions including NVIDIA, APPLE and MICROSOFT-T. These top holdings play a significant role in shaping the fund’s performance and exposure.

What countries or regions does OEF invest in?

As of January 31, 2026, OEF has its largest geographic exposures in USA.

What sectors or themes does OEF focus on?

As of January 31, 2026, OEF is primarily exposed to Information Technology, Communication Services and Consumer Discretionary.

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