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iShares S&P 100 ETF (OEF)

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Upturn Advisory Summary
12/29/2025: OEF (2-star) has a low Upturn Star Rating. Not recommended to BUY.
Analysis of Past Performance
Type ETF | Historic Profit 57.13% | Avg. Invested days 72 | Today’s Advisory Consider higher Upturn Star rating |
Upturn Star Rating ![]() | Upturn Advisory Performance | ETF Returns Performance |
Key Highlights
Volume (30-day avg) - | Beta 1 | 52 Weeks Range 232.06 - 303.32 | Updated Date 06/30/2025 |
52 Weeks Range 232.06 - 303.32 | Updated Date 06/30/2025 |
Upturn AI SWOT
iShares S&P 100 ETF
ETF Overview
Overview
The iShares S&P 100 ETF (OEF) seeks to track the performance of the S&P 100 Index. This index comprises 100 of the largest and most liquid U.S. equities, representing approximately 50% of the total U.S. equity market capitalization. The ETF offers exposure to large-cap U.S. companies across various sectors, aiming to provide broad market diversification within this segment. Its investment strategy is passive, designed to mirror the performance of its underlying index.
Reputation and Reliability
BlackRock, the issuer of iShares ETFs, is a global leader in investment management, renowned for its extensive range of ETFs and robust infrastructure. They have a long-standing reputation for reliability and operational excellence in the financial industry.
Management Expertise
BlackRock's ETF operations are managed by a team of experienced professionals with deep expertise in index tracking, portfolio management, and risk management. The company leverages sophisticated technology and research to ensure accurate replication of index performance.
Investment Objective
Goal
The primary investment goal of the iShares S&P 100 ETF is to provide investors with broad exposure to the largest 100 U.S. companies as represented by the S&P 100 Index.
Investment Approach and Strategy
Strategy: The ETF employs a passive investment strategy, aiming to replicate the performance of the S&P 100 Index through full replication. This means it holds the same securities as the index in the same proportions.
Composition The ETF primarily holds stocks of large-capitalization U.S. companies. These companies are leaders in their respective sectors, including technology, healthcare, consumer discretionary, financial services, and industrials.
Market Position
Market Share: Specific market share data for individual ETFs is proprietary and not publicly disclosed in a granular format. However, iShares is one of the largest ETF providers globally.
Total Net Assets (AUM): 66000000000
Competitors
Key Competitors
- Vanguard Mega Cap ETF (VV)
- SPDR S&P 100 ETF (DIA)
- Invesco S&P 100 ETF (SPY)
Competitive Landscape
The ETF industry is highly competitive, particularly in the large-cap U.S. equity space. The iShares S&P 100 ETF competes with other ETFs tracking similar indices or offering broad exposure to large-cap U.S. stocks. Advantages of OEF include its association with BlackRock, a leading ETF issuer, and its focus on the S&P 100, which represents the most influential companies in the U.S. economy. Potential disadvantages could include a higher expense ratio compared to some broad-market index funds or the concentrated nature of the S&P 100 index, which might not capture the full breadth of the U.S. equity market.
Financial Performance
Historical Performance: 1-Year: 20.50%, 3-Year: 12.10%, 5-Year: 15.20%, 10-Year: 12.50%
Benchmark Comparison: The iShares S&P 100 ETF aims to track the S&P 100 Index. Its historical performance generally closely mirrors that of its benchmark, with minor deviations due to tracking error and expenses.
Expense Ratio: 0.0009
Liquidity
Average Trading Volume
The ETF exhibits high liquidity, with an average daily trading volume of several million shares, facilitating efficient buying and selling for investors.
Bid-Ask Spread
The bid-ask spread for the iShares S&P 100 ETF is typically very narrow, reflecting its high trading volume and the liquidity of its underlying holdings, minimizing trading costs.
Market Dynamics
Market Environment Factors
The ETF is heavily influenced by factors affecting the U.S. equity market, including macroeconomic conditions, interest rate policies, corporate earnings, technological advancements, and geopolitical events. Growth prospects for the technology and healthcare sectors, which often dominate the S&P 100, are particularly significant.
Growth Trajectory
The ETF's growth is tied to the performance of the S&P 100 Index. As large-cap U.S. companies continue to be drivers of economic growth, the ETF is expected to follow a similar trajectory, with potential adjustments to its holdings as the S&P Dow Jones Indices rebalances the underlying index.
Moat and Competitive Advantages
Competitive Edge
The iShares S&P 100 ETF benefits from BlackRock's strong brand reputation and operational efficiency, leading to low tracking error. Its focus on the S&P 100 provides exposure to a curated selection of the largest and most influential U.S. companies, offering diversification within this elite group. The ETF's high liquidity ensures ease of trading for investors of all sizes.
Risk Analysis
Volatility
The ETF's historical volatility is generally in line with the broad large-cap U.S. equity market, with periods of higher volatility corresponding to market downturns.
Market Risk
The primary risks associated with the ETF are market risks inherent in large-cap U.S. equities, including economic recessions, interest rate changes, inflation, and sector-specific downturns. Concentration in certain sectors or companies within the S&P 100 could also pose specific risks.
Investor Profile
Ideal Investor Profile
The iShares S&P 100 ETF is suitable for investors seeking large-cap U.S. equity exposure and who are comfortable with the concentration of the S&P 100 Index. It is appropriate for those who believe in the long-term growth prospects of leading U.S. corporations.
Market Risk
This ETF is best suited for long-term investors seeking passive exposure to a diversified basket of the largest U.S. companies. It can also serve as a core holding in a diversified portfolio for investors with a moderate risk tolerance.
Summary
The iShares S&P 100 ETF (OEF) is a passively managed ETF designed to track the S&P 100 Index, offering exposure to 100 of the largest and most liquid U.S. companies. Issued by BlackRock, a reputable global asset manager, it provides broad diversification within the large-cap segment. The ETF is characterized by strong liquidity and a low expense ratio, making it an efficient tool for investors aiming to capture the performance of U.S. market leaders.
Similar ETFs
Sources and Disclaimers
Data Sources:
- BlackRock Official Website (for ETF details and prospectus)
- Financial data providers (e.g., Yahoo Finance, Morningstar, Bloomberg for historical performance, AUM, and expense ratios)
- S&P Dow Jones Indices (for index methodology and constituents)
Disclaimers:
This information is for informational purposes only and should not be considered investment advice. Past performance is not indicative of future results. Investors should conduct their own due diligence and consult with a qualified financial advisor before making any investment decisions. Data accuracy may vary based on the source and time of retrieval.
AI Summarization is directionally correct and might not be accurate.
Summarized information shown could be a few years old and not current.
Fundamental Rating based on AI could be based on old data.
AI-generated summaries may have inaccuracies (hallucinations). Please verify the information before taking action.
About iShares S&P 100 ETF
Exchange NYSE ARCA | Headquaters - | ||
IPO Launch date - | CEO - | ||
Sector - | Industry - | Full time employees - | Website |
Full time employees - | Website | ||
The index measures the performance of the large-capitalization sector of the U.S. equity market. The fund generally will invest at least 80% of its assets in the component securities of its underlying index and may invest up to 20% of its assets in certain futures, options and swap contracts, cash and cash equivalents. The fund is non-diversified.

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