ETF PRO AIOctober 7, 2026
IBB iShares Biotechnology ETF
Fund tearsheet · data as of the latest session · October 7, 2026
ONE YEAR OF DAILY CLOSES
0.45%expense ratio
$10.6Bfund assets
+20.3%return, YTD
+34.9%return, 1 year
+$124Mnet flow, 1 month
+$1.8Bnet flow, 1 year
21.9%realized volatility, 1y
-9.7%worst drawdown, 1y
Top ten holdings
| 1 | GILD GILEAD SCIENCES | 7.94% |
| 2 | AMGN AMGEN | 7.53% |
| 3 | VRTX VERTEX PHARMACEUTICALS | 7.42% |
| 4 | REGN REGENERON PHARMACEUTICALS | 5.12% |
| 5 | MRNA MODERNA | 5.27% |
| 6 | NTRA NATERA | 4.07% |
| 7 | ARGX ARGENX SE | 3.60% |
| 8 | ILMN ILLUMINA | 3.14% |
| 9 | RVMD REVOLUTION MEDICINES | 2.84% |
| 10 | BIIB BIOGEN | 2.33% |
PREPARED WITH ETF PRO AI · PRIMARY MARKET DATA · INFORMATIONAL ONLY — NOT AN OFFER, RECOMMENDATION, OR INVESTMENT ADVICE · PAST PERFORMANCE DOES NOT GUARANTEE FUTURE RESULTS