iShares Core MSCI World UCITS ETF USD (Acc) Guide

The iShares Core MSCI World UCITS ETF USD (Acc) offers broad exposure to stocks from 23 developed markets with a low 0.20% TER and accumulating dividends.

The iShares Core MSCI World UCITS ETF USD (Acc), known by its ticker IWDA, stands out as a premier choice for investors seeking diversified global equity exposure. This ETF tracks the MSCI World Index, capturing large- and mid-cap companies across developed economies. With over $118 billion in assets under management, it provides cost-effective access to international markets.

Updated: 05/14/2026

By Elena Martinez, Senior ETF Analyst - covering exchange-traded funds and global markets.

At a Glance

• Product: iShares Core MSCI World UCITS ETF USD (Acc)
• Category: Global Equity ETF
• Brand/Manufacturer: iShares
• Primary Use Cases: Long-term portfolio diversification, passive global investing
• Availability: Listed on major European exchanges
• Key Markets: 23 developed countries worldwide

What iShares Core MSCI World UCITS ETF USD (Acc) Is and How It Works

The iShares Core MSCI World UCITS ETF USD (Acc) is an exchange-traded fund designed to replicate the performance of the MSCI World Index before fees and expenses. Launched on 09/25/2009, it employs a sampling technique, purchasing a representative selection of the index's most relevant constituents rather than full replication. This optimized approach ensures close tracking while managing costs and liquidity.

Key features include a total expense ratio (TER) of 0.20% p.a., making it competitively priced among MSCI World trackers. The fund is domiciled in Ireland, issues shares in USD, and follows an accumulating policy - dividends received from underlying stocks are reinvested automatically, boosting the net asset value over time without distributions to shareholders.

Diversification is core to its appeal: the index covers approximately 85% of the free float-adjusted market capitalization in each of 23 developed countries, including the US, Japan, UK, and others. Holdings span sectors like technology, financials, healthcare, and consumer goods, reducing single-market risk.

Why iShares Core MSCI World UCITS ETF USD (Acc) Matters for Consumers and Industry

For individual investors, this ETF simplifies global stock market participation. It eliminates the need to select individual international stocks or navigate currency risks across borders. With UCITS compliance, it meets strict European regulatory standards for liquidity, transparency, and investor protection, appealing to retail and institutional users alike.

In the investment industry, IWDA exemplifies the shift toward low-cost, passive strategies. As the largest ETF tracking the MSCI World, its scale supports tight bid-ask spreads and high liquidity. Portfolio managers use it as a core holding for benchmarks, satellite allocations, or as a foundation for factor-based enhancements.

Accumulation suits tax-efficient growth strategies, particularly in jurisdictions where reinvested dividends defer tax liabilities. Its unhedged USD exposure captures full currency movements, benefiting from USD strength phases while exposing investors to global equity upside.

iShares Core MSCI World UCITS ETF USD (Acc) in the Global Market

The ETF's $118.311 million fund size (as of recent data) underscores strong investor demand for broad developed-market exposure. It competes with similar products but leads in assets, reflecting trust in BlackRock's iShares brand and the MSCI index methodology.

Geographically, the US dominates holdings at around 70%, followed by Japan and Europe. This weighting mirrors global market caps, providing balanced yet US-centric diversification. Volatility typically aligns with developed equity benchmarks, around 10-12% annualized in EUR terms over recent years.

Regulatory domicile in Ireland facilitates cross-border distribution across the EU, with listings on exchanges like London Stock Exchange and Euronext. No sustainability focus keeps costs low, targeting pure equity performance over ESG tilts.

The iShares Core MSCI World UCITS ETF USD (Acc) is issued by BlackRock's iShares platform, a leading provider of ETFs domiciled in Ireland for global distribution.

This ETF trades under the primary ticker IWDA and carries the ISIN IE00B4L5Y983 on major exchanges.

Disclaimer: This article is not investment advice. Stocks are volatile financial instruments.