IBBvsTMEDETF Comparison
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iShares Biotechnology ETF (IBB) and T. Rowe Price Health Care ETF (TMED) belong to the same industry segment: US Health Care. IBB's top 3 sector exposures are Healthcare, Non-Corporate and Non-Energy Materials. In contrast, TMED's top sector exposures are Healthcare, Consumer Non-Cyclicals and Non-Corporate. Both IBB and TMED have the same Total Expense Ratio (TER) of 0.44%. IBB is up 12.96% year-to-date (YTD) with +$31M in YTD flows. TMED performs better with 15.82% YTD performance, and +$6M in YTD flows. Run a side-by-side ETF comparison of IBB and TMED below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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IBB vs TMED performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 07/28/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IBB TMED | +0.40%+0.18% | +13.51%+16.06% | +12.96%+15.82% | +42.60%+38.92% | +47.89%n/a | +15.61%n/a |
| Flows | IBB TMED | +$181M+$3M | +$358M+$3M | +$31M+$6M | +$1.41B+$10M | -$932M- | -$1.74B- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBB TMED | +22.59%+18.51% | +20.31%+18.25% | +20.41%n/a | +22.30%n/a |
| Max drawdown | IBB TMED | -5.94%-4.40% | -9.61%-11.09% | -24.82%n/a | -39.75%n/a |
| Max drawdown duration | IBB TMED | 21d20d | 151d125d | 377dn/a | 1611dn/a |
Trading data
IBB | TMED | |
Last sale 7/29/2026 at 3:21 PM | $189.74 | $34.92 |
| Previous close 07/28/2026 | $190.52 | $35.01 |
| Consolidated volume 07/28/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of June 30, 2026
1-year trailing difference
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TMED
is actively managed and doesn’t replicate an indexIBB | TMED | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 7/29/2026 at 3:21 PM
Live
Closed
IBB | TMED | |
|---|---|---|
| Last price | $189.74 | $34.92 |
| 1D performance | -0.41% | -0.26% |
| AuM | $9.40 B | $25.78 M |
| E/R | 0.44% | 0.44% |
Characteristics
IBB | TMED | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | iShares | T. Rowe Price |
| Benchmark | ICE Biotechnology Index | - |
| N° of holdings | 242 | 95 |
| Asset class | Equities | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | February 5, 2001 | June 11, 2025 |
| ESG | No | No |
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Exposure
Countries
IBB
USA
86.15%
Other
13.85%
TMED
USA
93.24%
Other
6.76%
Sectors
IBB
Healthcare
99.89%
Other
0.11%
TMED
Healthcare
97.94%
Other
2.06%
Diversification
IBB
Total weight of top 15 holdings out of 15
53.71%
TMED
Total weight of top 15 holdings out of 15
57.45%
Top 15 holdings
Data as of June 30, 2026
IBB
Vertex Pharmaceuticals, Inc.
8.07%
Amgen, Inc.
7.82%
Gilead Sciences, Inc.
6.83%
Regeneron Pharmaceuticals, Inc.
4.90%
argenx SE
3.75%
Alnylam Pharmaceuticals, Inc.
3.12%
Natera, Inc.
2.89%
Revolution Medicines, Inc.
2.78%
Biogen, Inc.
2.46%
Illumina, Inc.
2.07%
Moderna, Inc.
1.98%
Insmed, Inc.
1.78%
BeOne Medicines Ltd.
1.77%
Incyte Corp.
1.75%
United Therapeutics Corp.
1.73%
TMED
Eli Lilly & Co.
16.59%
UnitedHealth Group, Inc.
6.52%
Gilead Sciences, Inc.
4.55%
Thermo Fisher Scientific, Inc.
4.11%
Danaher Corp.
2.96%
Cencora, Inc.
2.82%
Agilent Technologies, Inc.
2.61%
Alnylam Pharmaceuticals, Inc.
2.60%
Intuitive Surgical, Inc.
2.55%
Insulet Corp.
2.38%
Stryker Corp.
2.22%
Dyne Therapeutics, Inc.
2.03%
Elanco Animal Health, Inc.
1.91%
Pfizer Inc.
1.91%
Waters Corp.
1.68%
Frequently asked questions about IBB and TMED
How have the IBB and TMED ETFs performed in 2026?
As of July 28, 2026, IBB is up 12.96% year-to-date (YTD), while TMED has returned 15.82%. That puts TMED better performer ahead so far this year.
Which ETF is attracting more investor money: IBB or TMED?
Year-to-date, the IBB ETF saw +$31M in flows, compared to +$6M for TMED.
Which ETF is more volatile: IBB or TMED?
Over the past year, IBB had a volatility of 20.31%, while TMED experienced 18.25%.
Which ETF is bigger: IBB or TMED?
As of July 28, 2026, IBB holds $9.40 B in assets under management (AUM), while TMED manages $25.78 M.
What sectors do the IBB and TMED ETFs invest in?
IBB leans toward sectors like Healthcare. Meanwhile, TMED focuses on Healthcare.
What are the top holdings of the IBB ETF and TMED ETF?
IBB top holdings include Vertex Pharmaceuticals, Inc., Amgen, Inc. and Gilead Sciences, Inc.. TMED holds in its top three: Eli Lilly & Co., UnitedHealth Group, Inc. and Gilead Sciences, Inc..
Which ETF is more diversified: IBB or TMED?
IBB holds 242 securities with 53.71% of its assets in the top 15. TMED has 95 securities and a top 15 weight of 57.45%.
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