Past returns
- 1 year
- +21.2%
- +17.4% after inflation (UK CPIH)
Volatility and the largest fall need a longer record of this fund’s prices than we hold so far. They appear on this page once we do.
Returns: TradingView (delayed data). Inflation: ONS CPIH, latest month published.
How we work it out:ReturnsReturns after inflationTotal returnReal returnCPIH
In plain English
Amundi MSCI USA Mega Cap UCITS ETF AccumUSD is an exchange-traded fund (ETF) from Amundi, launched in 2024.
It tracks the MSCI USA Mega Cap Select Index - Benchmark TR Net.
You buy and sell it through a share-dealing account or platform during stock-market hours, like a share.
Income from its investments is reinvested inside the fund, so it shows up as a rising price rather than cash paid to you.
US shares: American companies, including the S&P 500 and Nasdaq-100 — the largest stock market in the world.
Terms:ETFIndex fundUCITSAccumulating or incomeShare classISIN
Key facts
- Ticker
- MEGA
- ISIN
- IE000YBGJ9I4
- Provider
- Amundi
- Tracks
- MSCI USA Mega Cap Select Index
- Structure
- ETF
- An exchange-traded fund: bought and sold on the stock exchange through the day, like a share.
- Income
- Accumulating
- Income is reinvested inside the fund, so it shows up as a rising price rather than cash paid to you.
- Fund size
- £6.3m
- Launched
- Domicile
- Ireland
- Can be held in
- ISA and SIPP
- Currency hedged
- No
- Category
- US shares
What it holds
- Holdings
- 51
- 52 reported by the issuer
- Ten largest
- 60.7%
- of the whole fund
- Effective number of holdings
- 18
- As concentrated as this many equal-sized holdings (how it is worked out)
- Largest holding
- 12.7%
- NVIDIA
Top 10 holdings
| Rank# | Holding | Weight as a percentage of the fund |
|---|---|---|
| 1 | NVIDIANVDAInformation TechnologyUnited States | 12.65% |
| 2 | AppleAAPLInformation TechnologyUnited States | 11.78% |
| 3 | MicrosoftMSFTInformation TechnologyUnited States | 8.72% |
| 4 | AmazonAMZNConsumer DiscretionaryUnited States | 5.81% |
| 5 | Alphabet · Class AGOOGLCommunication ServicesUnited States | 4.86% |
| 6 | Alphabet · Class CGOOGCommunication ServicesUnited States | 3.84% |
| 7 | Meta Platforms · Class AMETACommunication ServicesUnited States | 3.84% |
| 8 | BroadcomAVGOInformation TechnologyUnited States | 3.82% |
| 9 | Micron TechnologyMUInformation TechnologyUnited States | 2.90% |
| 10 | TeslaTSLAConsumer DiscretionaryUnited States | 2.45% |
Source: Amundi, holdings as published, as of , company pages by TradingView
Where it invests
The portfolio by sector, country and type of asset, as a share of the whole fund. Bonds, cash and positions the source does not classify are shown as they come, not guessed.
By sector
- Information Technology52.0%
- Communication Services13.5%
- Consumer Discretionary9.0%
- Financials9.0%
- Health Care6.6%
- Consumer Staples4.4%
- Industrials2.9%
- Energy2.5%
By type of asset
- Equity99.3%
- Derivatives0.3%
See the full portfolio
Every holding with search and filters, the whole breakdown by sector, country and type of asset, a map of the 51 largest.
More of the portfolio
The fund publishes 51 holdings; the ten largest make up 60.7% of it. The fund's portfolio is also split by currency.
Create a free account to see the full holdings list and the currency, maturity and credit-quality breakdowns
Sign-up takes an email address. There is no card to enter and nothing to pay.
Holdings:Compare what it holds with another fundHoldings overlapHow overlap is measured
Risk and return in depth
Rank among similar funds
Rank by total return over 1 year among up to 169 US share funds, not currency-hedged, highest first.
Pro
Pro — currently by invitation
Pro includes the rank among similar funds
Pro is open by invitation while it is being built. There is nothing to buy. To ask about access, email [email protected].
Questions people ask
What does MEGA track?
MEGA tracks the MSCI USA Mega Cap Select Index - Benchmark TR Net.
Is MEGA accumulating or distributing?
MEGA is accumulating: income is reinvested inside the fund, so it shows up as a rising price rather than cash paid to you.
What is the ISIN of MEGA?
The ISIN of MEGA is IE000YBGJ9I4. An ISIN identifies one exact share class of a fund; MEGA is its ticker on the London Stock Exchange.
What does MEGA hold?
As of 30/09/2026, MEGA holds 52 positions, according to the holdings Amundi publishes. The largest is NVIDIA at 12.65% of the fund; the ten largest make up 60.7%. Its ten largest holdings are NVIDIA (12.65%), Apple (11.78%), Microsoft (8.72%), Amazon (5.81%), Alphabet · Class A (4.86%), Alphabet · Class C (3.84%), Meta Platforms · Class A (3.84%), Broadcom (3.82%), Micron Technology (2.90%) and Tesla (2.45%).
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- VUAGVanguard S&P 500 UCITS ETF0.07% a year · £21bn
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- IUSAiShares Core S&P 500 UCITS ETF USD (Dist)0.07% a year · £13bn
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- SPXLState Street SPDR S&P 500 UCITS ETF0.03% a year · £11bn
Sources and dates
- Returns
- TradingView reported returns (net asset value with income reinvested where available)
- Inflation
- ONS CPIH, latest month published
- Holdings
- Amundi, as published,
- Identity
- FCA Financial Instruments Reference Data System (FIRDS) and the issuer
- Fund size
- TradingView, converted to pounds at the latest ECB reference rate
Methodology:Data sourcesReturnsCategoriesAll methods
A machine-readable copy of this page: Markdown.