IWF vs TFGZ
iShares Russell 1000 Growth ETF vs Thornburg Focus Growth Fund ETF
Which is better, IWF or TFGZ?
TFGZ has been ahead.
IWF has a lower expense ratio. TFGZ led over 1Y. TFGZ is less concentrated, with 49.4% of the fund in its ten largest positions against 57.4%.
MarketXLS is not an investment adviser. This comparison is generated automatically from market data and is for information only. A Best mark means the better reading on that one measure, not a recommendation to buy.
Side-by-Side Comparison
| Metric | IWF | TFGZ |
|---|---|---|
| Expense Ratio | 0.18%Best | 0.79% |
| AUM | $129.6B | $12M |
| Dividend Yield | 0.34% | 0.00% |
| Holdings | 370 | 43 |
| YTD Return | +5.65% | +16.33%Best |
| 1Y Return | +7.28% | - |
| 3Y Return (annualized) | +22.37% | - |
| 5Y Return (annualized) | +12.59% | - |
| Top 10 Weight | 57.4% | 49.4%Best |
| Fund Family | iShares by BlackRock (US) | Thornburg Investment Management |
| Category | Equity | Equity |
| Style | Large Cap Growth | Large Cap Growth |
| Inception | May 22, 2000 | Apr 1, 2026 |
Not shown on this pair: Volatility (annualized), Max Drawdown, $10,000 over the window.
IWF vs TFGZ growth
Month-end closes. Both lines start at 0% in the first month shown, so the gap between them is the difference in growth across that window. The full view is available from the range buttons; it is not the opening view here because over the whole period one of these two funds moves so much further than the other that its line would sit flat on the axis.
IWF vs TFGZ Performance
iShares Russell 1000 Growth ETF (IWF) is an ETF from iShares by BlackRock (US) and Thornburg Focus Growth Fund ETF (TFGZ) is an ETF from Thornburg Investment Management. Year to date, IWF is up 5.65% versus a gain of 16.33% for TFGZ.
Past performance does not guarantee future results.
Fees and Cost Over Time
IWF charges 0.18% per year while TFGZ charges 0.79%. On a $10,000 position that is $18 vs $79 annually, a gap of $61 per year that compounds over a long holding period. On income, IWF currently yields 0.34% against 0.00% for TFGZ.
Holdings Overlap
27.9% of IWF's money is in holdings TFGZ also owns. 66.3% of TFGZ's money is in holdings IWF also owns.
The two portfolios partly overlap.
23 positions in common, counted across the 372 positions we hold weights for in IWF and 42 in TFGZ, against full books of 370 and 43.
What only one of them owns
Our book lists 12 positions for TFGZ that do not appear in our book for IWF (19.6% of the fund), and 281 for IWF that do not appear in TFGZ (71.6%).
Some of those will be the same company recorded under a different code in one of the two books, so the real difference in what you would own is no larger than this and may be smaller. We do not name the individual positions here for that reason.
Top Shared Holdings
| Stock | Weight in IWF | Weight in TFGZ | Difference |
|---|---|---|---|
| GOOGLAlphabet Inc | 5.77% | 12.16% | 6.39% |
| MSFTMicrosoft Corp | 5.58% | 7.18% | 1.60% |
| AVGOBroadcom Inc | 4.68% | 6.00% | 1.32% |
| METAMeta Platforms Inc | 3.82% | 3.77% | 0.05% |
| MUMicron Technology, Inc. | 3.62% | 3.40% | 0.22% |
| MAMastercard Inc | 1.30% | 3.34% | 2.04% |
| LRCXLam Research Corp | 1.24% | 3.30% | 2.06% |
| SITMSitime Corp | 0.04% | 3.35% | 3.31% |
| VRTVertiv Holdings Co | 0.28% | 2.62% | 2.34% |
| HEI.AHeico Corp. Cl. A | 0.05% | 2.46% | 2.41% |
66.3% of TFGZ is already inside IWF.
You probably hold more than these two. Add the rest and see how much of the whole book is the same companies twice.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, IWF or TFGZ?
IWF has an expense ratio of 0.18% while TFGZ charges 0.79%. IWF is the cheaper option, by $61 a year on a $10,000 investment.
What is the holdings overlap between IWF and TFGZ?
66.3% of TFGZ's money is in holdings IWF also owns. 66.3% of TFGZ's is in holdings IWF also owns. They hold 23 positions in common, counted across the 372 positions we hold weights for in IWF and 42 in TFGZ.
Which pays a higher dividend, IWF or TFGZ?
IWF yields 0.34% while TFGZ yields 0.00%, so IWF currently pays the higher dividend yield.
Is TFGZ better than IWF?
IWF has a lower expense ratio. TFGZ led over 1Y. TFGZ is less concentrated, with 49.4% of the fund in its ten largest positions against 57.4%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.