Total Holdings
1,029
As of Oct 4, 2026
iShares Russell 1000 ETF
IWBNYSEARCABlackRockEquity
$421.35Today:- (-)1Y +16.18%
As of Oct 15, 2026 close
- Assets (AUM)
- $49.17B
- Expense ratio
- 0.15%
- Dividend yield
- 0.91%
- Holdings
- 1,029
- 52-week range
- $345.21$427.04
- Volume (live)
- -
- Avg. volume (3M)
- 472.16K
IWB ETF Holdings: iShares Russell 1000 ETF
Every listed position with its portfolio weight, plus sector breakdown and geographic exposure for this Equity ETF. Analyze fund diversification and concentration.
Top 10 Holdings
36.4%
Share of fund assets
Assets (AUM)
$49.17B
Total fund assets
Expense Ratio
0.15%
Annual management fee
Portfolio Allocations
Distribution breakdown by sector, asset type, and geographic region. Understand the fund's diversification strategy across markets and asset classes.
Loading chart...
Top 50 of 1,029 IWB Holdings by Portfolio Weight
Holdings as of Oct 4, 2026. Ticker, name, asset type and portfolio weight for each position. Fund disclosures available to us list the largest 50 positions.
Scroll to see more
| # | Symbol | Name | Type | Weight |
|---|---|---|---|---|
| 1 |  | NVIDIA Corporation | Stock | 7.63% |
| 2 |  | Apple Inc. | Stock | 6.77% |
| 3 |  | Microsoft Corporation | Stock | 5.40% |
| 4 |  | Amazon.com, Inc | Stock | 3.63% |
| 5 |  | Alphabet Inc | Stock | 2.84% |
| 6 |  | Broadcom Inc | Stock | 2.41% |
| 7 | | Alphabet Inc | Stock | 2.29% |
| 8 |  | Meta Platforms, Inc. | Stock | 2.26% |
| 9 |  | Micron Technology, Inc. | Stock | 1.75% |
| 10 |  | Tesla, Inc. | Stock | 1.47% |
| 11 |  | Advanced Micro Devices, Inc. | Stock | 1.42% |
| 12 |  | JPMorgan Chase & Co | Stock | 1.34% |
| 13 |  | Berkshire Hathaway Inc. | Stock | 1.32% |
| 14 |  | Eli Lilly and Company | Stock | 1.32% |
| 15 |  | ExxonMobil Holdings Corporation | Stock | 0.96% |
| 16 |  | Johnson & Johnson | Stock | 0.91% |
| 17 |  | Visa Inc | Stock | 0.88% |
| 18 |  | Intel Corporation | Stock | 0.78% |
| 19 |  | Mastercard Incorporated | Stock | 0.68% |
| 20 |  | Walmart Inc. | Stock | 0.65% |
| 21 |  | AbbVie Inc. | Stock | 0.65% |
| 22 |  | Cisco Systems, Inc | Stock | 0.61% |
| 23 |  | Palantir Technologies Inc. | Stock | 0.60% |
| 24 |  | Lam Research Corporation | Stock | 0.60% |
| 25 |  | Applied Materials, Inc. | Stock | 0.59% |
| 26 |  | Costco Wholesale Corporation | Stock | 0.59% |
| 27 |  | Bank of America Corporation | Stock | 0.58% |
| 28 |  | Chevron Corporation | Stock | 0.53% |
| 29 |  | Merck & Co., Inc | Stock | 0.52% |
| 30 |  | Caterpillar Inc | Stock | 0.51% |
| 31 |  | UnitedHealth Group Incorporated | Stock | 0.50% |
| 32 |  | GE Aerospace | Stock | 0.50% |
| 33 |  | The Coca-Cola Company | Stock | 0.49% |
| 34 |  | Netflix, Inc | Stock | 0.48% |
| 35 |  | The Procter & Gamble Company | Stock | 0.47% |
| 36 |  | The Home Depot, Inc | Stock | 0.46% |
| 37 |  | Palo Alto Networks Inc | Stock | 0.42% |
| 38 |  | Philip Morris International Inc | Stock | 0.42% |
| 39 |  | The Goldman Sachs Group, Inc | Stock | 0.42% |
| 40 |  | Raytheon Technologies Corporation | Stock | 0.40% |
| 41 |  | Wells Fargo & Company | Stock | 0.37% |
| 42 |  | Oracle Corporation | Stock | 0.36% |
| 43 |  | GE Vernova LLC | Stock | 0.34% |
| 44 |  | Morgan Stanley | Stock | 0.34% |
| 45 |  | Texas Instruments Incorporated | Stock | 0.33% |
| 46 |  | Amgen Inc | Stock | 0.33% |
| 47 |  | Thermo Fisher Scientific Inc | Stock | 0.33% |
| 48 |  | KLA Corporation | Stock | 0.32% |
| 49 |  | Citigroup Inc | Stock | 0.32% |
| 50 |  | The Linde Group | Stock | 0.32% |
Source: Fund holdings disclosures. Data as of Oct 4, 2026. Data sources and methodology
Frequently Asked Questions About iShares Russell 1000 ETF Holdings
What are the top holdings in IWB?
As of Oct 4, 2026, iShares Russell 1000 ETF (IWB) holds 1,029 securities. The largest are NVIDIA Corporation (7.63%), Apple Inc. (6.77%), Microsoft Corporation (5.40%). The holdings table lists each position by portfolio weight with its ticker, name and asset type.
How concentrated is IWB's portfolio?
As of Oct 4, 2026, the 10 largest positions make up 36.4% of IWB's assets. A concentrated portfolio has fewer large positions with higher individual weights, while a diversified portfolio distributes holdings more evenly.
What is IWB's sector allocation?
The Sector Allocation chart shows how IWB distributes investments across different industries like Technology, Healthcare, Financials, and more. This sector exposure helps understand the fund's industry diversification strategy.
What countries does IWB invest in?
IWB's geographic exposure is shown in the Countries tab under Portfolio Allocations. This reveals the fund's international diversification and exposure to different regions and global markets.
How diversified is IWB ETF?
IWB's diversification can be assessed by reviewing its 1,029 holdings (as of Oct 4, 2026), sector allocation, and geographic exposure. A well-diversified ETF spreads investments across multiple securities, sectors, and regions to reduce concentration risk.