ETFs · ETF deep dive · Published 2026-05-15 · 12 min

IUSG ETF Analysis: Holdings, Fees, Inception, Sectors, And Portfolio Role

IUSG is iShares Core S&P U.S. Growth ETF, issued by BlackRock. Review its inception date, expense ratio, index strategy, top holdings, sector exposure, risks, and portfolio role.

Summary

IUSG is iShares Core S&P U.S. Growth ETF, a Large Growth issued by BlackRock. Latest snapshot: inception Jul 24, 2000, expense ratio 0.04%, AUM $31.49B, 393 holdings, top-10 weight 57.99%, and mandate/index: S&P 900 Growth

IUSG is best read as a factor tilt that complements a broad index, not just a ticker symbol.
AUM and cost: $31.49B; expense ratio 0.04%.
Concentration: 393 holdings; top-10 weight 57.99%, which is high.
Largest visible exposure: Technology at 40.82%.

ETF Profile

The facts that define ownership cost, structure, and portfolio behavior.

Issuer BlackRock
Expense ratio 0.04%
Holdings 393 holdings
Top-10 weight 57.99%
www.snowballhare.com

Investor Checklist

  • Issuer and listing venue: BlackRock, NASDAQ.
  • Launch date and fee: Jul 24, 2000, 0.04%.
  • Portfolio size and concentration: 393 holdings, with the top 10 at 57.99%.
  • Primary exposure: Equity; Large Growth; North America; Index: S&P 900 Growth
  • Best use case: Factor or style sleeve that can complement a broad index fund and change portfolio exposure by valuation, growth, dividend, or quality profile.
  • Main risk to respect: The key risk is that IUSG's stated diversification may not protect investors if its dominant exposure, largest holdings, or main macro factor reverses. Current top-10 concentration is 57.99%.

IUSG Investor Snapshot

IUSG is iShares Core S&P U.S. Growth ETF, issued by BlackRock. It is best understood as a factor tilt that complements a broad index. The fund has $31.49B in AUM, charges 0.04%, holds 393 holdings, and has top-10 concentration of 57.99%. Its largest listed holdings include NVIDIA Corporation (14.79%), Microsoft Corporation (8.55%), Alphabet Inc. (6.23%).

IUSG ETF Facts: Launch Date, Issuer, Fee, Assets, And Strategy

IUSG is iShares Core S&P U.S. Growth ETF. Issuer: BlackRock. Exchange: NASDAQ. Inception: Jul 24, 2000. Expense ratio: 0.04%. AUM: $31.49B. Mandate or tracked index: S&P 900 Growth

IUSG Top Holdings And Concentration

Holdings snapshot: May 19, 2026. IUSG has 393 holdings. The top 10 positions account for 57.99%, so investors should read the fund through its largest holdings first rather than assuming every ETF is equally diversified.

  • $NVDA - NVIDIA Corporation: 14.79%
  • $MSFT - Microsoft Corporation: 8.55%
  • $GOOGL - Alphabet Inc.: 6.23%
  • $AAPL - Apple Inc.: 6.06%
  • $AVGO - Broadcom Inc.: 5.38%
  • $GOOG - Alphabet Inc.: 4.97%
  • $AMZN - Amazon.com, Inc.: 3.71%
  • $META - Meta Platforms, Inc.: 3.64%
  • $BRK.B - Berkshire Hathaway Inc.: 2.43%
  • $LLY - Eli Lilly and Company: 2.23%

IUSG Sector And Industry Exposure

IUSG exposure summary: Equity; Large Growth; North America; Index: S&P 900 Growth. These exposures explain what investors actually own after buying the ETF. A broad fund is usually driven by sector weights and mega-cap leadership; a sector or thematic fund is driven by the industry cycle; a bond or alternative asset fund is driven by macro variables rather than company earnings.

  • Technology: 40.82%. Sector weight from the latest public ETF holdings snapshot.
  • Consumer Discretionary: 12.07%. Sector weight from the latest public ETF holdings snapshot.
  • Communication Services: 11.40%. Sector weight from the latest public ETF holdings snapshot.
  • Financials: 9.96%. Sector weight from the latest public ETF holdings snapshot.
  • Industrials: 9.29%. Sector weight from the latest public ETF holdings snapshot.
  • Health Care: 5.02%. Sector weight from the latest public ETF holdings snapshot.
  • Other: 4.62%. Sector weight from the latest public ETF holdings snapshot.
  • Consumer Staples: 3.31%. Sector weight from the latest public ETF holdings snapshot.
  • Real Estate: 1.24%. Sector weight from the latest public ETF holdings snapshot.
  • Utilities: 1.09%. Sector weight from the latest public ETF holdings snapshot.

IUSG Fees, Liquidity, And Product Structure

IUSG trades on NASDAQ. The stated expense ratio is 0.04%, and current AUM is $31.49B. Lower fees matter most for long holding periods, while AUM and trading depth matter when investors place larger orders or need reliable execution during volatile sessions.

IUSG Return Drivers: What Has To Go Right

The return drivers for IUSG are factor performance, valuation spreads, rebalancing discipline, earnings quality, and market leadership. That matters because two ETFs can both look diversified but respond to very different conditions. For IUSG, investors should compare price performance with the fund's dominant exposure, the largest holdings, and the macro factor behind the category.

IUSG Current Market Theme

iShares Core S&P U.S. Growth ETF is a Large Growth ETF with $31.49B in AUM, 393 holdings, top-10 concentration of 57.99%, and a leading exposure to Technology (40.82%). The largest holdings include NVIDIA Corporation (14.79%), Microsoft Corporation (8.55%), Alphabet Inc. (6.23%).

When IUSG Tends To Work

IUSG tends to work when factor performance, valuation spreads, rebalancing discipline, earnings quality, and market leadership are moving in the fund's favor.

IUSG Portfolio Role: Core Holding Or Satellite Position?

Factor or style sleeve that can complement a broad index fund and change portfolio exposure by valuation, growth, dividend, or quality profile. In practical portfolio terms, IUSG should be sized according to whether it is replacing broad market exposure, adding a factor tilt, expressing a sector view, or hedging a macro risk. The more concentrated the fund, the less it should be treated as a complete portfolio by itself.

IUSG Key Risks Investors Should Watch

The main risks are specific enough to check before buying, not generic ETF fine print.

  • Market risk: IUSG can fall with its asset class even when the fund structure works as designed.
  • Concentration risk: top-10 weight is 57.99%, which is high for an ETF in this category.
  • Exposure risk: the main exposure is Equity; Large Growth; North America; Index: S&P 900 Growth
  • Fee and trading risk: expense ratio is 0.04%; investors should still check spread, volume, and premium/discount before large orders.
  • Thesis risk: The key risk is that IUSG's stated diversification may not protect investors if its dominant exposure, largest holdings, or main macro factor reverses. Current top-10 concentration is 57.99%.

Who IUSG Is Suitable For

IUSG can be useful, but the right investor depends on time horizon, existing overlap, and drawdown tolerance.

  • More suitable for investors who need a factor tilt that complements a broad index.
  • More suitable for investors who understand that IUSG's top holdings and sector exposures can dominate short-term returns.
  • Less suitable for investors who need stable cash income unless the fund's underlying asset class is explicitly income-oriented.
  • Less suitable for investors already heavily exposed to the same largest holdings or same macro factor.

IUSG What To Monitor Next

IUSG should be reviewed after new holdings files, major market moves, or category-specific catalysts. The most important checks are:

  • Holdings as of May 19, 2026.
  • AUM: $31.49B.
  • Expense ratio: 0.04%.
  • Top-10 weight: 57.99%.

IUSG Action Reference

A useful ETF article should end with a decision framework. For IUSG, the practical read is:

  • Core-index investor: use as a satellite rather than a replacement for broad diversification.
  • Theme investor: check whether the latest holdings still match the investment thesis.
  • Risk-control investor: cap position size because sector/factor ETFs can underperform for long stretches.

IUSG Bottom Line

IUSG is not just a fund name. It is a package of exposures: iShares Core S&P U.S. Growth ETF; issuer BlackRock; fee 0.04%; AUM $31.49B; 393 holdings; top-10 weight 57.99%; holdings date May 19, 2026. The investment case is strongest when the fund's largest holdings, main exposure, and category-level return drivers all point in the same direction.

Common Questions

What is IUSG?

IUSG is iShares Core S&P U.S. Growth ETF, a Large Growth issued by BlackRock.

When did IUSG launch?

IUSG's inception date is Jul 24, 2000.

What is the IUSG expense ratio?

IUSG charges an expense ratio of 0.04%.

What does IUSG hold?

IUSG holds 393 holdings. Major holdings include NVIDIA Corporation (14.79%), Microsoft Corporation (8.55%), Alphabet Inc. (6.23%), Apple Inc. (6.06%), Broadcom Inc. (5.38%).

Is IUSG diversified?

IUSG's top 10 holdings are 57.99%.

Who might use IUSG?

Factor or style sleeve that can complement a broad index fund and change portfolio exposure by valuation, growth, dividend, or quality profile.

Risk Note This page is for education only and does not constitute investment advice. Investing involves risk.